CN101112616A - Vaccine for the prophylactic or therapeutic immunization against HIV - Google Patents
Vaccine for the prophylactic or therapeutic immunization against HIV Download PDFInfo
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Abstract
The invention provides the use of a) an HIV Tat protein or polynucleotide; or b) an HIV Nef protein or polynucleotide; or c) an HIV Tat protein or polynucleotide linked to an HIV Nef protein or polynucleotide (Nef-Tat); and an HIV gp120 protein or polynucleotide in the manufacture of a vaccine for the prophylactic or therapeutic immunisation of humans against HIV.
Description
The application is to be January 29 calendar year 2001 the applying date, and application number is 01807156.2, and denomination of invention is divided an application for the application for a patent for invention of " vaccine that is used for HIV prevention or therapeutic immunization ".
The present invention relates to HIV albumen in medicine new purposes and comprise the proteic vaccine combination of described HIV.The invention particularly relates to HIV Tat and the proteic use in conjunction of HIV gp120.In addition, the present invention relates to HIV Nef and the proteic use in conjunction of HIV gp120.
HIV-1 is the main cause of acquired immune deficiency syndrome (AIDS) (AIDS), and acquired immune deficiency syndrome (AIDS) is considered to one of main health problem in the world.Although carried out further investigation in the world wide so that obtain vaccine, the effort of this respect is not still succeedd so far.
HIV envelope glycoprotein gp120 is the virus protein that is used to adhere to host cell.This adhesion mediates generation by combining with two kinds of surface moleculars of helper T cell that is called CD4 and macrophage and one of two kinds of chemokine receptors CCR-4 or CXCR-5.Gp120 albumen at first is expressed as bigger precursor molecule (gp160), and the cutting of translation back produces gp120 and gp41 then.Gp120 albumen is retained in virosomal surface by being connected with gp41 molecule (it inserts in the viromembrane).
Gp120 albumen is the main target of neutralizing antibody, but regrettably the immunogenic section of tool (V3 ring) of gp120 albumen also is this protein variant the best part.Therefore, think that precursor gp120 (or its precursor gp160) only has limited effect as the vaccine antigen that excites neutralizing antibody for protectiveness vaccine widely.Gp120 also contains cytotoxic T lymphocyte (CTL) identity epi-position really.CTL effector lymphocyte can eliminate virus infected cell, therefore constitutes second kind of main antiviral immunity mechanism.As if opposite with the target section of neutralizing antibody, some CTL epi-position is conservative relatively in different HIV Strain.For this reason, think that gp120 and gp160 are the effective antigenicity components of vaccine, purpose is the immunne response (particularly CTL) of activated cell mediation.
, comprise for example internal structure albumen, for example gag and pol gene outcome relevant for the introduction of the non-envelope protein of HIV-1, and other non-structural protein, for example Rev, Nef, Vif and Tat (Greene etc., New England J.Med, 324,5,308 and following document or the like (1991); Bryant etc. (Ed.Pizzo), Pediatr.Infect.Dis.J., following document or the like (1992) below 11,5,390.
HIV Tat and Nef albumen are early proteins, and promptly they are expressed under the situation that infects early stage and shortage structural protein.
Concentrate (C.David Pauza, Immunization with Tat toxoidattenuates SHIV89.6PD infection in rhesus macaques, 12 at meeting paper
ThCent Gardesmeeting, Marnes-La-Coquette, 26.10.1999), introduced various experiments, wherein separately with Tat toxoid or coupling envelope glycoprotein gp160 vaccine combination (potion vaccinia virus recombinant and potion recombiant protein) immune Rhesus Macacus.Yet the result who is observed shows, exists envelope glycoprotein not to be better than the experiment of carrying out with Tat separately.
But we find to comprise the immunogen (especially Nef-Tat fusion rotein) and gp120 synergism of Tat-and/or Nef-when the protection Rhesus Macacus avoids the pathogenic attack of chimeric people-simian immunodeficiency virus (SHIV).So far, think that it is the maximally related animal model of people AIDS that Rhesus Macacus SHIV infects.So we use, and this preclinical models has been estimated separately or combination comprises gp120 antigen and the antigenic vaccine protection effectiveness that contains Nef-and Tat-.Analyze two kinds of viral infection and pathogenic labelling, promptly Rhesus Macacus peripheral blood CD4 positive percentage and plasma free SHIV rna gene group concentration show described two kinds of antigen synergism.Separately with gp120 or NefTat+SIV Nef immunity with only compare with adjuvant immunity, without any difference.On the contrary, unite and give gp120 and NefTat+SIV Net antigen causes two kinds of above-mentioned parameters of above-mentioned concrete all animals of experimental group obviously to improve.
Therefore, the invention provides HIV Tat and/or Nef albumen and HIV gp120 are used for the vaccine of people HIV prevention or therapeutic immunization together in production new purposes.
As mentioned above, with respect to the result who only observes, give the proteic immunne response of NefTat albumen, SIV Nef albumen and gp120 together and strengthen with NefTat+SIV Nef or gp120.This potentiation or synergism can show as viral load as the result who uses the combinations thereof protein immunization and descend.On the other hand, potentiation itself also shows as CD4+ and keeps the level of keeping that level is higher than HIV NefTat of no use, SIV Nef and HIV gp120 immunity.This synergistic reason is due to gp120 and Tat or gp120 and Nef or gp120 and Nef and the two combination of Tat.
Add other HIV albumen and also can further strengthen the synergism that observes between gp120 and Tat and/or the Nef.Described other albumen also can with each component synergism of the vaccine that contains gp120, Tat and/or Nef, and do not need to exist the combination of all Proantigens.Described other albumen can be that HIV regulates albumen, for example Rev, Vif, Vpu and Vpr.They also can be the structural protein that derive from HIV gag or pol gene.
HIV gag gene code precursor protein p55, p55 can be assembled into immaturity virus-like particle (VLP) automatically.Then, precursor protein p55 proteolysis is primary structure albumen p24 (housing albumen) and p18 (stromatin), and some than small protein.Can think that precursor protein p55 and its main derivant p24 and p18 are suitable vaccine antigen, they can further strengthen the synergism that observes between gp120 and Tat and/or the Nef.Precursor protein p55 and housing albumen p24 can be used as VLP or monomeric protein.
HIV Tat albumen can be chosen wantonly with HIV Nef albumen and be connected in the vaccine of the present invention, for example as fusion rotein.
HIV Tat albumen, HIV Nef albumen or NefTat fusion rotein among the present invention can have C-terminal histidine tail, preferably comprise 5-10 histidine residues.Histidine (perhaps " the His ") tail that exists helps purification.
In a preferred embodiment, described protein expression has the histidine tail, comprises 5-10, preferred 6 histidine residues.Their advantage is to help purification.Existing report, Nef (Macreadie I.G. etc., 1993, Yeast 9 (6) 565-573) and Tat (Braddock M etc., 1989, Cell 58 (2) 269-79) be independent the expression in yeast (saccharomyces cerevisiae (Saccharomyces cerevisiae)).Nef albumen and Gag albumen p55 and p18 are Fructus Amomi Rotundus acidify albumen.WO99/16884 in the past introduces Nef and Tat independent expression in pichia yeast expression system (Nef-His and Tat-His construct), and expresses fusion construct Nef-Tat-His.
The DNA and the aminoacid sequence of typical Nef-His (Seq.ID.No.8 and 9), Tat-His (Seq.ID.No.10 and 11) and Nef-Tat-His fusion rotein (Seq.ID.No.12 and 13) are seen Fig. 1.
HIV albumen of the present invention can use with its native conformation, perhaps uses for vaccine and more preferably can be modified.The described modification may perhaps can be used for making proteic one or more functional characteristic bioinactivations of Tat or Nef because relating to the technical reason of purification process need modify.So, the present invention includes the HIV protein derivatives, the HIV protein derivatives can be for example mutain.Term " sudden change " this paper lacks, adds or has replaced one or more amino acid whose molecules in order to refer to use side-directed mutagenesis or any other conventional method of being widely known by the people.
For instance, can make the sudden change of Tat mutain, make its bioinactivation, also keep its immunogenicity epi-position simultaneously.((there are suddenly change (Virology 235:48-64,1997) in Lys41 → Ala) and RGD primitive among Arg78 → Lys and the Asp80 → Glu) to a kind of tat gene that may suddenly change (being derived from the BH10 molecular cloning) that D.Clements (Tulane University) makes up in the avtive spot district.
Fig. 1 (Seq.ID.No.22 and 23) diagram mutation T at and Nef-Tat mutant-His (Seq.ID.No.24 and 25).
HIV Tat or Nef albumen can be modified by chemical method in purge process in the vaccine of the present invention, make described albumen for stablizing monomeric protein.A kind of preventing such as the accumulative method of the protein oxidation of Tat or Nef is to utilize the described albumen sulfydryl of chemical modification.The first step is to handle the reduction disulfide bond with Reducing agent such as DTT, beta-mercaptoethanol or glutathion.Second step was that the sulfydryl that makes generation reacts with alkylating agent and makes its sealing (for example the available iodine acetamide methylates described albumen carboxylic acid amidesization/urea groups).According to cell in conjunction with measuring and to human peripheral blood mononuclear cell's lymphopoietic inhibitory action evaluation, described chemical modification can not change the functional characteristic of Tat or Nef.
The method purification HIV Tat albumen and the HIV gp120 albumen of available following examples general introduction.
Vaccine of the present invention comprises Tat and/or Nef or the NefTat and the gp120 antigen of immunoprotection amount or immunization therapy amount, and the preparation of available routine techniques.
The all-side introduction of relevant bacterin preparation is referring to New Trends and Developments inVaccines, chief editors such as Voller, University Park Press, Baltimore, Maryland, U.SA.1978.For example the United States Patent (USP) 4,235,877 of Fullerton has been introduced the capsulation in the liposome.For example the United States Patent (USP) 4,474,757 of the United States Patent (USP) 4,372,945 of Likhite and Armor etc. discloses protein and macromolecular puting together.
Protein content is replied according to induction of immunity in typical inoculator's body protection in the bacterin preparation does not have the dosage of remarkable side effect to select.Described protein content is difference with employed concrete immunogen.In general, expect that every dose comprises each albumen of 1-1000 μ g, preferred 2-200 μ g, most preferably Tat or Nef or the NefTat of 4-40 μ g, and preferred 1-150 μ g, 2-25 μ g gp120 most preferably.The optimised quantity of concrete vaccine can be determined by the research on standard that comprises the intravital antibody titer of observation patient and other reaction.A vaccine dose instantiation comprises 20 μ gNefTat and 5 or 20 μ g gp120.Behind the initial immunization, the patient can accept a booster immunization in about 4 weeks, and can accept the follow-up booster immunization second time.
Albumen preferred adjuvantization of the present invention in bacterin preparation of the present invention.See Vaccine Design-the Subunit and Adjuvant Approach about the all-side introduction of adjuvant, Powell and Newman chief editor, Plenum Press, New York, 1995.
Suitable adjuvant comprises aluminum salt, such as gel aluminum hydroxide (alum) or aluminum phosphate, but also can be calcium salt, iron salt or zinc salt, perhaps can be the insoluble suspension of acidylate tyrosine or acidylate sugar, the polysaccharide or the polyphosphazene of cation or anion derivation.
In the bacterin preparation of the present invention, preferred described adjunvant composition preferentially induces the Th1 type to reply.Then, should be known in that not getting rid of other replys, and comprises other humoral immunoresponse(HI).
Interact by described antigen and immune system cell, thereby described antigen is produced immunne response.The immunne response that produces can mainly be divided into two big classes: humoral immunoresponse(HI) or cell-mediated immune responses (its feature is protection antibody mechanism and effector lymphocyte's mechanism respectively traditionally).This two para-immunity is replied and is called the reaction of Th1 type (cell-mediated replys) and Th2 type immunne response (humoral immunoresponse(HI)).
The feature of very typical Th1 type immunne response may be to produce antigenic specificity haplotype restrictive cell toxic T lymphocyte and natural killer cell reaction.In mice, the Th1 type is replied and is characterised in that generation IgG2a hypotype antibody usually, and these antibody are equivalent to IgG1 type antibody in the mankind.Th2 type immunne response is characterised in that and produces various immunoglobulin isotypes, comprises IgG1, IgA and IgM mice.
Can think that the driving force that produces these two types of immunne response is a cytokine, cytokine is the numerous albumen courier who has identified, and its effect is the skeptophylaxis system cells, and controlling final immunne response is that Th1 or Th2 type are replied.Therefore, high-level Th1 cytokines often promotes to induce to given antigenic cell-mediated immune responses, and high-level Th2 cytokines often promotes to induce antigenic humoral immunoresponse(HI).
Remember that importantly the difference of Th1 type immunne response and Th2 type immunne response is not absolute.In fact, there are one or two people to support immunne response is described as mainly being the Th1 type or mainly being the immunne response of Th2 type.Yet, the cytokine family that adopts when describing mice CD4+ve T cell clone according to Mosmann and Coffman is classified and is considered that cytokine family usually is (Mosmann easily, T.R. and Coffman, R.L. (1989) Th1 and Th2 cell: different lymphokine secretions spectrums are induced and are caused difference in functionality characteristic .Annual Review ofImmunology, 7, the 145-173 pages or leaves).Traditionally, the reaction of Th1 type is relevant with the IL-2 cytokine with the sternly living INF-γ of T lymphocyte.Other usually directly related with inducing Th1 type immunne response cytokine is not that the T cell produces as IL-12.On the contrary, the reaction of Th2 type is relevant with IL-4, IL-5, IL-6, IL-10 and tumor necrosis factor (TNF-β) secretion.
Known some vaccine adjuvant is particularly suitable for stimulating Th1 type or the reaction of Th2 cytokines.Traditionally, the Th1 that replys in immunity inoculation or premunition: the equilibrated optimal parameter of Th2 comprises stimulates the directly Th1 or the Th2 cytokine that produce of the outer T lymphocyte of measuring body of back again with antigen, and/or measures the IgG1 that antigen-specific antibodies reacts: the IgG2a ratio.
Therefore, Th1 type adjuvant is the adjuvant that stimulates isolating T cell to produce high-level Th1 cytokines when external use antigen stimulates again and induce the generation antigen specific immune globulin reaction relevant with Th1 type isotype.
Be applicable to the present invention, can prepare the preferred Th1-type immunostimulant that produces adjuvant and include but not limited to following adjuvant.
Monophosphoryl lipid A, especially 3-de-O-acidylate monophosphoryl lipid A (3D-MPL) are to be preferred for Th1-type immunostimulant of the present invention.3D-MPL is Ribi Immunochem, the well-known adjuvant that Montana produces.Chemically it usually provides with the mixture of 3-de-O-acidylate monophosphoryl lipid A with 4,5 or 6 acidylate chains.The mixture of 3-de-O-acidylate monophosphoryl lipid A can make with the method purification of introducing among the GB 2122204B, and described patent documentation also discloses the preparation of two phosphinylidyne lipid As and 3-O-deacylation variant thereof.The synthetic fat polysaccharide of other purification is existing to be introduced (US 6,005, and 099 and EP 0,729 473 B1; Hilgers etc., 1986, Int.Arch.Allergy.Immunol., 79 (4): 392-6; Hilgers etc., 1987, Immunology, 60 (1): 141-6; And EP 0 549 074 B1).Preferred type 3D-MPL is the granule type preparation of the following diameter of 0.2 μ m, and its production method is disclosed in EP 0,689 454.
Saponin also is a preferred Th1 immunostimulant of the present invention.Saponin is known adjuvant, referring to: Lacaille-Dubois, M and Wagner H. (1996, saponin biology and pharmacologically active summary, Phytomedicine the 2nd volume, 363-386 page or leaf).For example US 5,057 is seen in Quil A (obtaining from the tree Quilaja Saponaria Molina of South America) and each several part introduction thereof, 540 and " saponin is as vaccine adjuvant ", Kensil, C.R., Crit Rev Ther Drug Carrier Syst, 1996,12 (1-2): 1-55; And EP 0 362 279 B1.Existing introduce hemolytic saponin QS21 and QS17 (the HPLC purification part of Quil A) is the efficient system adjuvant, its production method is disclosed in U.S. Patent number 5,057, and 540 and EP 0 362 279 B1.In addition, above-mentioned list of references is also introduced the effective adjuvant of QS7 (the non-hemolytic part of Quil-A) as system's vaccine.The application of QS21 see for details Kensil etc. (1991, J.Immunology the 146th volume, 431-437).QS21 and polysorbate or cyclodextrin use in conjunction also are known (WO 99/10008).Comprise Quil A part and see WO 96/33739 and WO 96/11711 as the graininess adjuvant system of QS21 and QS7.
Another kind of preferred immunostimulant is for comprising the not immunostimulatory oligonucleotide of methylated CpG dinucleotide (" CpG ").CpG is the abbreviation that is present in the cytosine-guanosine dinucleotide primitive among the DNA.The adjuvant of CpG for giving by system and mucosal route, this is known in the art (WO 96/02555, and EP 468520, Davis etc., J.Immunol, 1998,160 (2): 870-876; McCluskie and Davis, J.Immunol., 1998,161 (9): 4463-6).The DNA part that once observed BCG can be brought into play Graft Versus Tumor.Studies show that further the synthetic oligonucleotide that obtains according to the BCG gene order can the induction of immunity stimulation (external and body in all have this effect).The author of above-mentioned research reaches a conclusion, and some palindrome comprises central CG primitive, has described immunostimulation.The pivotal role of CG primitive in immunostimulation be afterwards by Krieg, 374, the 546 pages of Nature, and 1995 openly illustrate.Labor shows that the CG primitive must be present in a certain sequence environment, and described sequence is universality in DNA of bacteria, and is rare property in vertebrates DNA.The immunostimulating sequence usually is: purine, purine, C, G, pyrimidine, pyrimidine; Wherein CG primitive right and wrong are methylated, but known other not the methylated CpG sequence also be immunostimulating and also can be used for the present invention.
In some 6 nucleotide combination, there is palindrome.No matter several described primitives are a multiple primitive or the combination of different primitives, all can be present in the same oligonucleotide.Exist one or more oligonucleotide that comprise described immunostimulating sequence can activate various immunocyte subgroups, comprise natural killer cell (produce IFN-and have cell lysis activity) and macrophage (Wooldrige etc., the 89th volume (the 8th phase), 1977).What at present, confirm also that other does not have a described consensus sequence contains not that the sequence of methylated CpG has immune regulative.
When being mixed with vaccine, the form that generally gives of CpG is: (WO 96/02555 with the free solution of free antigen; McCluskie and Davis, the same), perhaps with antigen covalent bond (WO 98/16247), perhaps use carrier preparation such as aluminium hydroxide ((hepatitis surface antigen) Davis etc., the same; Brazolot-Millan etc., Proc.Natl.Acad.Sci., USA, 1998,95 (26), 15553-8).
Aforesaid immunostimulant can be formulated together with carrier, for example liposome, oil in water emulsion and or slaine, comprise aluminum salt (for example aluminium hydroxide).For example 3D-MPL can use aluminium hydroxide (EP 0 689 454) or oil in water emulsion (WO 95/17210) preparation; QS21 can be preferably with the liposome (WO 96/33739) that contains cholesterol, oil in water emulsion (WO95/17210) or alum (WO 98/15287) preparation; CpG can use alum (Davis etc., the same; Brazolot-Millan, the same) or with other cation carrier preparation.
In addition, (WO 94/00153 for preferred immunostimulant applied in any combination, especially monophosphoryl lipid A and saponin derivative combination; WO 95/17210; WO 96/33739; WO 98/56414; WO 99/12565; WO 99/11241), more preferably WO 94/00153 disclosed QS21 and 3D-MPL combination.On the other hand, CpG+ saponin such as QS21 make up also to constitute and can be used for effective adjuvant of the present invention.
Therefore, suitable adjuvant system comprises for example monophosphoryl lipid A, preferred 3D-MPL and the combination of aluminum salt.The enhancing system comprises monophosphoryl lipid A and saponin derivative combination, the particularly combination of disclosed QS21 and 3D-MPL in WO 94/00153, the perhaps less compositions of reactionogenicity of disclosed QS21 quencher in containing the liposome of cholesterol (DQ) in WO96/33739.
WO 95/17210 has introduced especially effectively adjuvant formulation, and it comprises the oil in water emulsion of QS21,3D-MPL and vitamin E, is to can be used for another kind of preferred formulation of the present invention.
Another kind of preferred formulation only contains the CpG oligonucleotide or contains the CpG oligonucleotide and aluminum salt.
In the present invention on the other hand, described vaccine can comprise the DNA of one or more polypeptide in coding Tat, Nef and the gp120 polypeptide, makes original position produce described polypeptide.Described DNA may reside in any transmission system in numerous transmission system well known by persons skilled in the art, comprises expression of nucleic acid system (as plasmid DNA), antibacterial and virus expression systems.Numerous gene transmission technology are that this area is known, Rolland for example, Crit.Rev.Therap.Drug Carrier Systems 15:143-198,1998 and the transmission technology described of the list of references wherein quoted.Suitable expression of nucleic acid system is included in the necessary DNA sequence of patient's expression in vivo (for example suitable promoter and termination signal).When expression system during for the viable microbial of reorganization, for example virus or antibacterial, genes of interest can insert in the recombinant virus or bacterial genomes alive.Cause described antigen of expression in vivo and induce immune response with infection in inoculation of the carrier of this work and the body.For example be used for the virus of this purpose and antibacterial: poxvirus is (as vaccinia virus, fowlpox virus, canary pox virus, the poxvirus such as the Modified VirusAnkara (MVA) that modify), alphavirus (sindbis virus, Semliki Forest virus, Venezuelan equine encephalitis virus), banzi virus (yellow fever virus, dengue virus, Japanese encephalitis virus), adenovirus, adeno associated virus, picornavirus (poliovirus, rhinovirus), herpesvirus (varicella zoster virus etc.), listeria spp belongs to (Listeria), Salmonella (Salmonella), Shigella (Shigella), eisseria (Neisseria), BCG.These virus and antibacterial virulence can be arranged, perhaps in every way attenuation with the acquisition live vaccine.Such live vaccine also constitutes a part of the present invention.
Therefore, the Nef of preferred vaccine of the present invention, Tat and gp120 component can provide with the polynucleotide form of coding desirable proteins.
And the albumen of available combination and DNA type preparation carry out immunity inoculation according to the present invention.Think just to exempt from-to induce the wide region immunne response be effective to booster immunization.The adjuvant protein vaccine is mainly induced antibody and the complementary immunne response of T, and the DNA of plasmid or live vector transmission induces strong cytotoxicity T lymphocyte (CTL) to reply.Therefore, albumen and dna immunization are in conjunction with producing various immunne response.This is relevant especially under the HIV situation, because think that neutralizing antibody and CTL all are important to immune defence HIV.
According to the present invention, gp120, Nef and Tat immunization protocol alone or in combination can comprise sequential (" just exempting from-strengthen ") or give proteantigen simultaneously and the above-mentioned proteic DNA of coding.Described DNA can transmit with plasmid DNA or live recombinant vectors form, for example poxvirus vector or any other suitable live vector, for example above-mentioned live vector of this paper.Proteantigen can be injected one or many, gives one or many DNA then, perhaps at first gives the DNA one or many, carries out the one or many protein immunization then.
The present invention just exempts from-and the instantiation of booster immunization comprises with live recombinant vectors form (modified vaccinia carrier for example, as Modified Virus Ankara (MVA), perhaps Alphavirus is as Venezuelan equine encephalitis virus) DNA just exempt from, use albumen, preferred adjuvant albumen booster immunization then.
So, the present invention further provides the medicine box that comprises following component:
A) comprise one or more albumen in gp120, Nef and the Tat albumen and the compositions of pharmaceutically acceptable excipient; With
B) comprise one or more polynucleotide in gp120, Nef and the Tat coded polynucleotide and the compositions of pharmaceutically acceptable excipient;
Prerequisite be (a) or (b) at least a gp120 of comprising and Nef and/or Tat and/or Nef-Tat.
Compositions a) and b) can give or give together with any order separately.Preferred a) comprise whole three kinds of gp120, Nef and Tat albumen.Preferred b) comprises whole three kinds of gp120, Nef and Tat DNA.Most preferably Nef and Tat are NefTat fusion rotein form.
Further aspect of the present invention provides the method for producing the above-mentioned bacterin preparation of this paper, and wherein said method comprises mixes combined protein of the present invention.Described protein composition can mix with suitable adjuvant, optional carrier.
The particularly preferred adjuvant and/or the carrier combinations that can be used for preparation of the present invention are as follows:
I) QS21 among the 3D-MPL+DQ
ii)Alum+3D-MPL
The iii) QS21+3D-MPL among the Alum+DQ
iv)Alum+CpG
The v) QS21+ oil in water emulsion among the 3D-MPL+DQ
vi)CpG
The following examples and annexed drawings set forth the present invention.
Embodiment:
Overall introduction
Select the Nef gene to be used for the construction of following experiment from Bru/Lai separated strain (Cell 40:9-17,1985), because this gene belongs to and has the most closely-related gene of Nef.
The raw material that is used for Bru/Lai Nef gene is a 1170bp dna fragmentation of going up the clone at mammalian expression vector pcDNA3 (pcDNA3/Nef).
The Tat GENE SOURCES is from the BH10 molecular cloning.This gene is accepted by people as the HTLVIII cDNA clone who is known as pCV1, and at Science, 229, the 69-73 pages or leaves are described it in 1985.
Can in Pichia sp. or any other host, express Nef and Tat gene.
In methylotrophy yeast pichia pastoris phaff, under the control of induction type alcohol oxidase (AOX1) promoter, express Nef albumen, Tat albumen and Nef-Tat fusion rotein.
In order to express these HIV-1 genes, use modification type integration vector PHIL-D2 (INVITROGEN).This carrier is modified in such a way: the expression of heterologous protein is right after after the natural A TG of AOX1 gene codon, and produces the recombiant protein with a glycine and six histidine residues tails.By between the adjacent AsuII of PHIL-D2 carrier and EcoRI site, cloning oligonucleotide joint, make up this PHIL-D2-MOD carrier (referring to Fig. 2).Except the His tail, this joint also carries NcoI, SpeI and XbaI restriction site, inserts nef, tat and nef-tat fusions between described restriction site.
1.1 make up integrating vector pRIT14597 (coding Nef-His albumen), pRIT14598 (coding Tat-His albumen) and pRIT14599 (coding fusions Nef-Tat-His).
With primer 01 and 02 through PCR by pcDNA3/Nef plasmid amplification nef gene.
NcoI
Primer 01 (Seq ID NO 1): 5 ' ATCGT
CCATG.GGT.GGC.AAG.TGG.T 3 '
SpeI
Primer 02 (Seq ID NO 2): 5 ' CGGCT
ACTAGTGCAGTTCTTGAA3 '
PCR fragment that obtains and PHIL-D2-MOD integrating vector are all used NcoI and SpeI restriction, and purification on agarose gel connects generation integrative plasmid pRIT14597 (see figure 2).
Utilize PCR, with primer 05 and 04 by pCV1 plasmid derivative thing amplification tat gene:
SpeI
Primer 04 (Seq ID NO 4): 5 ' CGGCT
ACTAGTTTCCTTCGGGCCT 3 '
NeoI
Primer 05 (Seq ID NO 5): 5 ' ATCGT
CCATGGAGCCAGTAGATC 3 '
At NcoI restriction site of described PCR segmental 5 ' terminal introducing, and terminal 3 ' with SpeI site of primer 04 introducing.PCR fragment that obtains and PHIL-D2-MOD carrier are all used NcoI and SpeI restriction, and purification on agarose gel connects generation integrative plasmid pRIT14598.
For making up pRIT14599, between the EcoRI of PHIL-D2-MOD carrier flush end (T4 polymerase) and NcoI site, connect the 910bp dna fragmentation that is equivalent to the nef-tat-His coded sequence.Obtain the nef-tat-His encode fragment by XbaI flush end (T4 polymerase) and NcoI digestion pRIT14596.
1.2 the conversion of pichia pastoris phaff bacterial strain GS115 (his4).
For obtaining to express the pichia pastoris phaff bacterial strain of Nef-His, Tat-His and fusion rotein Nef-Tat-His, add that with carrying corresponding expression cassette the LINEAR N otI fragment of HIS4 gene transforms bacterial strain GS115, with the his4 in the complementary host genome.Transforming GS115 with the NotI-linear fragment helps recombinating at the AOXI locus.
Select the multi-copy integration clone by quantitative Dot blot analysis, and determine to integrate, insert (Mut
+Phenotype) or the displacement (Mut
sPhenotype) type.
Select from each conversion to show that high level produces a kind of transformant of recombiant protein:
Produce the bacterial strain Y1738 (Mut of reorganization Nef-His albumen (acidifying 215 the amino acid whose albumen of a kind of Fructus Amomi Rotundus)
+Phenotype), described reorganization Nef-His albumen is composed as follows:
° myristic acid
° methionine utilizes the NcoI cloning site of PHIL-D2-MOD carrier to produce
° 205 amino acid whose Nef albumen (, extending to aminoacid 206) from aminoacid 2
A threonine that ° produces by clone's step and a serine (the SpeI site of PHIL-D2-MOD carrier clone).
° a glycine and six histidine.
Produce the bacterial strain Y1739 (Mut of Tat-His albumen (a kind of 95 amino acid whose albumen)
+Phenotype), described Tat-His albumen is composed as follows:
° methionine utilizes the NcoI cloning site to produce
° 85 amino acid whose Tat albumen (, extending to aminoacid 86) from aminoacid 2
° a threonine and a serine of introducing by clone's step
° a glycine and six histidine
Produce the bacterial strain Y1737 (Mut of reorganization Nef-Tat-His fusion rotein (acidifying 302 the amino acid whose albumen of a kind of Fructus Amomi Rotundus)
sPhenotype), described Nef-Tat-His fusion rotein is composed as follows:
° myristic acid
° methionine utilizes the NcoI cloning site to produce
° 205 amino acid whose Nef albumen (, extending to aminoacid 206) from aminoacid 2
° a threonine and a serine of producing by clone's step
° 85 amino acid whose Tat albumen (, extending to aminoacid 86) from aminoacid 2
° a threonine and a serine of introducing by clone's step
° a glycine and six histidine
Also expressed sudden change reorganization Tat albumen.Mutation T at albumen must be non-activity biologically when keeping its immunogenicity epi-position.
Two sudden change tat genes that selection is made up by D.Clements (Tulane university) are used for these and constitute thing.
This tat gene (being derived from the BH10 molecular cloning) is (Lys41 → Ala) and (have sudden change (Virology235:48-64,1997) among Arg78 → Lys and the Asp80 → Glu) at the RGD primitive in the avtive spot district.
Described sudden change tat gene is considered to be in the CMV expression plasmid (pCMVLys41/KGE) the cDNA fragment of sub-clone between EcoRI and HindIII site.
2.1 structure integrating vector pRIT14912 (coding Tat mutant-His albumen) and pRIT14913 (coding fusions Nef-Tat mutant-His).
With primer 05 and 04 through PCR (referring to the structure of 1.1 part pRIT14598) by pCMVLys41/KGE plasmid amplification tat mutant gene.
At NcoI restriction site of described PCR segmental 5 ' terminal introducing, and terminal 3 ' with SpeI site of primer 04 introducing.PCR fragment that obtains and PHIL-D2-MOD carrier are all used NcoI and SpeI restriction, and purification on agarose gel connects generation integrative plasmid pRIT14912.
In order to make up pRIT14913, with primer 03 and 04 through PCR by pCMVLys41/KGE plasmid amplification tat mutant gene.
SpeI
Primer 03 (Seq ID NO 3): 5 ' ATCGT
ACTAGT.GAG.CCA.GTA.GAT.C 3 '
SpeI
Primer 04 (Seq ID NO 4): 5 ' CGGCT
ACTAGTTTCCTTCGGGCCT 3 '
PCR fragment that obtains and plasmid pRIT14597 (expressing Nef-His albumen) use the digestion of SpeI restriction endonuclease, and purification on agarose gel connects generation integrative plasmid pRIT14913.
2.2 the conversion of pichia pastoris phaff bacterial strain GS115.
By using integration and the recombinant bacterial strain selection strategy of before in 1.2 parts, describing, obtain to express Tat mutant-His albumen and fusions Nef-Tat mutant-His
Pasteur is finished Red yeastBacterial strain.
Select two kinds of recombinant bacterial strains that produce Tat mutant-His albumen (a kind of 95 amino acid whose albumen): Y1775 (Mut
+Phenotype) and Y1776 (Mut
sPhenotype).
Select the recombinant bacterial strain of a kind of expression Nef-Tat mutant-His fusion rotein (a kind of 302 amino acid whose albumen): Y1774 (Mut
+Phenotype).
Embodiment 3: fermentation produces the pichia pastoris phaff of recombiant protein TAT-HIS
Canonical process sees the following form.
Fermentation comprises trophophase (adding the glycerol type culture medium according to suitable curve) and the induction period (adding methanol and salt/trace element solution) that produces the high-cell-density cultivation thing.In the fermentation, the trophophase tracking sampling detects the absorbance of its 620nm.Add methanol by pump in the induction period, monitor methanol concentration by gas chromatogram (to culture samples) with the online gas analysis of mass spectrograph.After the fermentation, reclaim cell in 2-8 ℃ with 5020g centrifugal 30 ', the cell slurry is preserved in-20 ℃.In order to carry out follow-up work, the cell slurry that thaws is resuspended to buffer (Na with 150 OD (620nm)
2HPO
4PH 750mM, PMSF5%, isopropyl alcohol 4mM), by DynoMill (6L/H, bead diameter is O.40-0.70mm for space 0.6L, 3000rpm) smudge cells 4 times.
For the evaluation expression situation, induction period takes out sample, and smudge cells is used SDS-PAGE or Western blotting method and analyzed.During Coomassie blue stain SDS-gel, identify that clearly reorganization Tat-his is the bathozone, maximal density occurs after about 72-96H induces.
| Work seed bottle thaws | |
| ↓ | |
| Solid is pre-cultivates 30 ℃, 14-16H | Synthetic medium:YNB+ glucose+agar |
| ↓ | |
| Liquid is pre-in two 2L conical flasks cultivates 30 ℃, 200rpm | Synthetic medium:2 * 400mlYNB+ glycerol stops when OD＞1 (620nm) |
| ↓ | |
| Be inoculated into the 20L fermentation tank | 5L initial medium (FSC006AA) 3ml defoamer SAG471 (Witco) imposes a condition: temperature: 30 ℃ of superpressures: 0.3barg air-flow: 20Nl/min dissolved oxygen: regulation and control＞40%pH: regulate in 5 with ammonium hydroxide |
| ↓ | |
| Fed-batch fermentation: trophophase continues about 40H | Reinforced: the final OD value of glycerol type culture medium FFB005AA: 200-500OD (620nm) |
| Fed-batch fermentation: induction period continues to many 97H | Reinforced: methanol and salt/trace element solution (FSE021AB) |
| ↓ |
| Centrifugal | 5020g/30min 2-8℃ |
| ↓ | |
| Reclaim the cell slurry, be preserved in-20 ℃ | |
| ↓ | |
| The cell that thaws is resuspended to buffer with OD150 (620nm) | Buffer: Na2HPO4 pH7 50mM, PMSF5%, isopropyl alcohol 4mM |
| ↓ | |
| By Dyno- |
Dvno-mill: (space 0.6L, 3000rpm, 6L/H, bead diameter 0.40-0.70mm) |
| ↓ | |
| Transfer is used for extraction/purification |
The fermentation culture medium:
Solid is cultivated in advance: (YNB+ glucose+agar)
Glucose: 10g/l Na2MoO4.2H2O:0.0002g/l Acide folique:0.000064g/l
KH2PO4:1g/l MnSO4.H2O:0.0004g/l inositol: 0.064g/l
MgSO4.7H2O 0.5g/l H3BO3:0.0005g/l vitamin B6: 0.008g/l
CaCl2.2H2O:0.1g/l KI:0.0001g/l thiamine: 0.008g/l
NaCl:0.1g/l CoCl2.6H2O:0.00009g/l nicotinic acid: 0.000032g/l
FeCl3.6H2O:0.0002g/l riboflavin: 0.000016g/l Panthot é nate Ca:0.008g/l
CuSO4.5H2O:0.00004g/l biotin: 0.000064g/l para-amino benzoic acid: 0.000016g/l
ZnSO4.7H2O:0.0004g/l (NH4) 2SO4:5g/l agar: 18g/l
Liquid is cultivated in advance: (YNB+ glycerol)
Glycerol: 2% (v/v) Na2MoO4.2H2O:0.0002g/l Acide folique:0.000064g/l
KH2PO4:1g/l MnSO4.H2O:0.0004g/l inositol: 0.064g/l
MgSO4.7H2O 0.5g/l H3BO3:0.0005g/l vitamin B6: 0.008g/l
CaCl2.2H2O:0.1g/l KI:0.0001g/l thiamine: 0.008g/l
NaCl:0.1g/l CoCl2.6H2O:0.00009g/l nicotinic acid: 0.000032g/l
FeCl3.6H2O:0.0002g/l riboflavin: 0.000016g/l Panthot é nate Ca:0.008g/l
CuSO4.5H2O:0.00004g/l biotin: 0.000064g/l para-amino benzoic acid: 0.000016g/l
ZnSO4.7H2O： 0.0004g/l (NH4)2SO4： 5g/l
Initial fermentation tank charging: (FSC006AA)
(NH4)
2SO4： 6.4g/l
KH2PO4： 9g/l Na2MoO4.2H2O： 2.04mg/l
MgSO4.7H2O 4.7g/l MnSO4.H2O： 4.08mg/l
CaCl2.2H2O： 0.94g/l H3BO3： 5.1mg/l
FeCl3.6H2O： 10mg/l KI： 1.022mg/l
HCl： 1.67mg/l CoCl2.6H2O： 0.91mg/l
CuSO4.5H2O： 0.408mg/l NaCl： 0.06g/l
ZnSO4.7H2O:4.08mg/l biotin: 0.534mg/l
Trophophase is with adding feed liquid: (FFB005AA)
Glycerol 38.7%v/v Na2MoO4.2H2O:5.7mg/l
MgSO4.7H2O 13g/l CuSO4.5H2O： 1.13mg/l
CaCl2.2H2O： 2.6g/l CoCl2.6H2O： 2.5mg/l
FeCl3.6H2O： 27.8mg/l H3BO3： 14.2mg/l
ZnSO4.7H2O:11.3mg/l biotin: 1.5mg/l
MnSO4.H2O： 11.3mg/l KI： 2.84mg/l
KH2PO4： 24.93g/l NaCl 0.167g/l
Induction period adds feed liquid (FSE021AB) with salt and trace element:
KH2PO4： 45g/l Na2MoO4.2H2O： 10.2mg/l
MgSO4.7H2O 23.5g/l MnSO4.H2O： 20.4mg/l
CaCl2.2H2O： 4.70g/l H3BO3： 25.5mg/l
NaCl： 0.3g/l KI： 5.11mg/l
HCl： 8.3ml/l CoCl2.6H2O： 4.55mg/l
CuSO4.5H2O： 2.04mg/l FeCl3.6H2O： 50.0mg/l
ZnSO4.7H2O:20.4mg/l biotin: 2.70mg/l
Embodiment 4: purification Nef-Tat-His fusion rotein (pichia pastoris phaff)
Carry out the purification flow process by 146 grammes per square metre group pichia pastoris phaff cells (weight in wet base) or 2L Dyno-mill homogenate OD55.At room temperature carry out chromatographic step.Between step, the positive flow point of Nef-Tat is preserved in cold house (+4 ℃) and is spent the night; When longer time, with sample in-20 ℃ of freezing preservations.
146 gram Pasteurs are finished red
Yeast cells
↓
Homogenate
Buffer: 2L 50mM PO
4PH7.0
Final OD:50
↓
Dyno-mill fragmentation (4 times)
↓
Centrifugal JA10 rotor/9500rpm/30min/ room temperature
↓
The Dyno-mill precipitation
↓
Washing (1 hour-4 ℃)
Buffer:+2L 10mM PO
4PH 7.5-150
mM-NaCl0.5％empigen
↓
Centrifugal JA10 rotor/9500rpm/30min/ room temperature
↓
Precipitation
↓
Dissolving (O/N-4 ℃)
Buffer:+660ml 10mM PO
4PH 7.5-
150mM NaCl-4.0M GuHCl
↓
Reduction+0.2M mistabrom sodium salt (adding powder)/
Regulate pH to 7.5 before (4 hours-room temperature-dark place) incubation (with 0.5 M NaOH
Solution)
↓
Urea groups methylates+0.25M iodoacetamide (adding powder)/and before incubation
(half an hour-room temperature-dark place) regulates pH to 7.5 (with 0.5M NaOH solution)
↓
At Ni
++-NTA-agarose (Qiagen-
Level pad: 10mM PO
4PH 7.5-150
The 30ml resin) goes up immobilized metal mMNaCl-4.0M GuHCl
Affinity chromatograph
Lavation buffer solution:
1) level pad
2)10mM PO
4 pH7.5-150mM NaCl-
6M carbamide
3)10mM PO
4 pH7.5-150mM NaCl-
6M carbamide-25mM imidazoles
Elution buffer: 10mM PO
4PH7.5-150mM
NaCl-6M carbamide-0.5M imidazoles
↓
The dilution ionic strength is reduced to 18mS/cm
2
Dilution buffer liquid: 10mM PO
4PH7.5-6M
Carbamide
↓
SP Sepharose FF (Pharmacia-
Level pad: 10mM PO
4PH7.5-150mM
The 30ml resin) cation-exchange chromatography NaCl-6.0M carbamide
Lavation buffer solution:
1) level pad
2)10mMPO
4pH 7.5-250mMNaCl-
6M carbamide
Elution buffer: 10mM borate pH 9.0-2
M NaCl-6M carbamide
↓
Be concentrated into 5mg/ml
10kDa Omega film (Filtron)
↓
Filtering layer is analysed (Pharmacia-120ml tree NaCl-6M carbamide
Fat) 5ml sample/injection → injection 5 times
↓
Dialysis (O/N-4 ℃)
Buffer: 10mM PO
4PH 6.8-150mM
The NaCl-0.5M arginine
*
↓
Filtration sterilization Millex GV 0.22 μ m
*Ratio: 0.5M arginine: 1600 μ g/ml protein concentrations.
Purity
Fig. 3 shows the purity level of being estimated by SDS-PAGE by the dyeing of Daiichi silver and Fig. 4 by Coomassie blue G250.
After the Superdex200 step:＞95%
After dialysis and the filtration sterilization step:＞95%
Reclaim
Obtain 51mg Nef-Tat-his albumen by 146 grammes per square metre group pichia pastoris phaff cells (=2L Dyno-mill homogenate OD 55) purification.
Embodiment 5: the oxidized form Nef-Tat-His fusion rotein in the purification pichia pastoris phaff
Carry out the purification flow process by 73 grammes per square metre group pichia pastoris phaff cells (weight in wet base) or 1L Dyno-mill homogenate OD50.At room temperature carry out chromatographic step.Between step, the positive flow point of Nef-Tat is preserved in cold house (+4 ℃) and is spent the night; When longer time, with sample in-20 ℃ of freezing preservations.
73 gram Pasteurs are finished red
Yeast cells
↓
Homogenate
Buffer: 1L50mM PO
4PH7.0-Pefabloc
5mM
Final OD:50
↓
Dyno-mill fragmentation (4 times)
↓
Centrifugal JA10 rotor/9500rpm/30min/ room temperature
↓
The Dyno-mill precipitation
↓
Washing (2 hours-4 ℃)
Buffer:+1L 10mM PO
4PH 7.5-150
mM-NaCl0.5％Empigen
↓
Centrifugal JA10 rotor/9500rpm/30min/ room temperature
↓
Precipitation
↓
Dissolving (O/N-4 ℃)
Buffer:+330ml 10mM PO
4PH 7.5-
↓ 150mM NaCl-4.0M GuHCl
At Ni
++-NTA-agarose (Qiagen-
Level pad: 10mM PO
4PH 7.5-150
The 15ml resin) goes up immobilized metal mM NaCl-4.0M GuHCl
Affinity chromatograph
Lavation buffer solution:
1) level pad
2)10mM PO
4 pH7.5-150mM NaCl-
6M carbamide
3)10mM PO
4 pH7.5-150mM NaCl-
6M carbamide-25mM imidazoles
Elution buffer: 10mM PO
4PH7.5-150mM
NaCl-6M carbamide-0.5M imidazoles
↓
The dilution ionic strength is reduced to 18mS/cm
2
Dilution buffer liquid: 10mM PO
4PH 7.5-6M
Carbamide
↓
SP Sepharose FF (Pharmacia-
Level pad: 10mM PO
4PH 7.5-150mM
The 7ml resin) cation-exchange chromatography NaCl-6.0M carbamide
Lavation buffer solution:
1) level pad
2)10mM PO
4 pH 7.5-250mM NaCl-
6M carbamide
Elution buffer: 10mM borate pH 9.0-2
M NaCl-6M carbamide
↓
Be concentrated into 0.8mg/ml
10kDa Omega film (Filtron)
↓
Dialysis (O/N-4 ℃)
Buffer: 10mM PO
4PH 6.8-150mM
The NaCl-0.5M arginine
↓
Filtration sterilization Millex GV 0.22 μ m
→
Fig. 6 shows purity level (dyeing of Daiichi silver, the Coomassie blue of being estimated by SDS-PAGE G250, western blotting):
After dialysis and the filtration sterilization step:＞95%
→
Reclaim(the protein colorimetric determination is estimated: DOC TCA BCA)
Obtain 2.8mg oxidized form Nef-Tat-his albumen by 73 grammes per square metre group pichia pastoris phaff cells (weight in wet base) or 1L Dyno-mill homogenate OD50 purification.
Embodiment 6: purification reduced form TAT-HIS albumen (pichia pastoris phaff)
Carry out the purification flow process by 160 grammes per square metre group pichia pastoris phaff cells (weight in wet base) or 2L Dyno-mill homogenate OD66.At room temperature carry out chromatographic step.Between step, the positive flow point of Tat is preserved in cold house (+4 ℃) and is spent the night; When longer time, with sample in-20 ℃ of freezing preservations.
160 gram Pasteurs are finished red
Yeast cells
↓
Homogenate
Buffer:+2L 50mM PO
4PH 7.0-4mM
PMSF
Final OD:66
↓
Dyno-mill fragmentation (4 times)
↓
Centrifugal JA10 rotor/9500rpm/30min/ room temperature
↓
The Dyno-mill precipitation
↓
Washing (1 hour-4 ℃)
Buffer:+2L 10mM PO
4PH 7.5-150
mM NaCl-1％Empigen
↓
Centrifugal JA10 rotor/9500rpm/30min/ room temperature
↓
Precipitation
↓
Dissolving (O/N-4 ℃)
Buffer:+660ml 10mM PO
4PH 7.5-
150mM NaCl-4.0M GuHCl
↓
Centrifugal JA10 rotor/9500rpm/30min/ room temperature
↓
Reduction+0.2 M mistabrom sodium salt (adding powder)/
It is (molten with 1M NaOH to regulate pH to 7.5 before (4 hours-room temperature-dark place) incubation
Liquid)
↓
Urea groups methylates+0.25M iodoacetamide (adding powder)/and before incubation
(half an hour-room temperature-dark place) regulates pH to 7.5 (using 1MNaOH solution)
↓
At Ni
++-NTA-agarose (Qiagen-
Level pad: 10mM PO
4PH 7.5-150
The 60ml resin) goes up immobilized metal mM NaCl-4.0M GuHCl
Affinity chromatograph
Lavation buffer solution:
1) level pad
2)10mM PO
4 pH 7.5-150mM NaCl-
6M carbamide
3)10mM PO
4 pH 7.5-150mM NaCl-
6M carbamide-35mM imidazoles
Elution buffer: 10mM PO
4PH7.5-150mM
NaCl-6M carbamide-0.5M imidazoles
↓
The dilution ionic strength is reduced to 12mS/cm
Dilution buffer liquid: 20mM borate pH8.5-6M
Carbamide
↓
SP Sepharose FF (Pharmacia-
Level pad: 20mM borate pH 8.5-
The 30ml resin) cation-exchange chromatography 150mM NaCl-6.0M carbamide
Lavation buffer solution: level pad
Elution buffer: 20mM borate pH 8.5-
400mM NaCl-6.0M carbamide
↓
Be concentrated into 1.5mg/ml
10kDa Omega film (Filtron)
↓
Dialysis (O/N-4 ℃)
Buffer: 10mM PO
4PH 6.8-150mM
The NaCl-0.5M arginine
↓
Filtration sterilization Millex GV 0.22 μ m
→
Fig. 7 shows purity level (dyeing of Daiichi silver, the Coomassie blue of being estimated by SDS-PAGE G250, western blotting):
After dialysis and the filtration sterilization step:＞95%
→
Reclaim(the protein colorimetric determination is estimated: DOC TCA BCA)
Obtain 48mg reduced form Tat-his albumen by 160 grammes per square metre group pichia pastoris phaff cells (weight in wet base) or 2L Dyno-mill homogenate OD66 purification.
Embodiment 7: purification oxidized form Tat-his albumen (pichia pastoris phaff)
Carry out the purification flow process by 74 grammes per square metre group pichia pastoris phaff cells (weight in wet base) or 1L Dyno-mill homogenate OD60.At room temperature carry out chromatographic step.Between step, the positive flow point of Tat is preserved in cold house (+4 ℃) and is spent the night; When longer time, with sample in-20 ℃ of freezing preservations.
74 gram Pasteurs are finished red
Yeast cells
↓
Homogenate
Buffer:+1L 50mM PO
4PH 7.0-5mM
Pefabloc
Final OD:60
↓
Dyno-mill fragmentation (4 times)
↓
Centrifugal JA10 rotor/9500rpm/30min/ room temperature
↓
The Dyno-mill precipitation
↓
Washing (1 hour-4 ℃)
Buffer:+1L 10mM PO
4PH 7.5-150
mM-NaCl-1％Empigen
↓
Centrifugal JA10 rotor/9500rpm/30min/ room temperature
↓
Precipitation
↓
Dissolving (O/N-4 ℃)
Buffer:+330ml 10mM PO
4PH 7.5-
150mM NaCl-4.0M GuHCl
↓
Centrifugal JA10 rotor/9500rpm/30min/ room temperature
↓
At Ni
++-NTA-agarose (Qiagen-30
Level pad: 10mM PO
4PH 7.5-150
The ml resin) goes up immobilized metal parent mM NaCl-4.0M GuHCl
And chromatography
Lavation buffer solution:
1) level pad
2)10mM PO
4 pH7.5-150mM NaCl-
6M carbamide
3)10mM PO
4 pH 7.5-150mM NaCl-
6M carbamide-35mM imidazoles
Elution buffer: 10mM PO
4PH 7.5-150mM
NaCl-6M carbamide-0.5M imidazoles
↓
The dilution ionic strength is reduced to 12mS/cm
Dilution buffer liquid: 20mM borate pH 8.5-
6M carbamide
↓
SP Sepharose FF (Pharmacia-
Level pad: 20 mM borate pH 8.5-
The 15ml resin) cation-exchange chromatography 150mM NaCl-6.0M carbamide
Lavation buffer solution:
1) level pad
2) 20mM borate pH 8.5-400mM
NaCl-6.0M carbamide
Elution buffer: 20mM piperazine pH 11.0-2M
NaCl-6M carbamide
↓
Be concentrated into 1.5mg/ml
10kDa Omega film (Filtron)
↓
Dialysis (O/N-4 ℃)
Buffer: 10mM PO
4PH 6.8-150mM
The NaCl-0.5M arginine
↓
Filtration sterilization Millex GV 0.22 μ m
→
Fig. 8 shows purity level (dyeing of Daiichi silver, the Coomassie blue of being estimated by SDS-PAGE G250, western blotting):
After dialysis and the filtration sterilization step:＞95%
→
Reclaim(the protein colorimetric determination is estimated: DOC TCA BCA)
Obtain 19mg oxidized form Tat-his albumen by 74 grammes per square metre group pichia pastoris phaff cells (weight in wet base) or 1L Dyno-mill homogenate OD60 purification.
Embodiment 8: purification SIV reduced form NEF-HIS albumen (pichia pastoris phaff)
Carry out the purification flow process by 340 grammes per square metre group pichia pastoris phaff cells (weight in wet base) or 4 L Dyno-mill homogenate OD 100.At room temperature carry out chromatographic step.Between step, the positive flow point of Nef is preserved in cold house (+4 ℃) and is spent the night; When longer time, with sample in-20 ℃ of freezing preservations.
340 gram Pasteurs are finished red
Yeast cells
↓
Homogenate
Buffer: 4L 50mM PO
4PH 7.0
mM
Final OD:100
↓
Dyno-mill fragmentation (4 times)
↓
Centrifugal JA10 rotor/9500rpm/60min/ room temperature
↓
The Dyno-mill precipitation
↓
Dissolving (O/N-4 ℃)
Buffer:+2.6 L 10mM PO
4PH 7.5-150
mM NaCl-4.0M GuHCl
↓
Centrifugal JA10 rotor/9500rpm/30min/ room temperature
↓
Reduction+0.2 M mistabrom sodium salt (adding powder)/
It is (molten with 1M NaOH to regulate pH to 7.5 before (4 hours-room temperature-dark place) incubation
Liquid)
↓
Urea groups methylates+0.25M iodoacetamide (adding powder)/and before incubation
(half an hour-room temperature-dark place) regulates pH to 7.5 (with 1M NaOH solution)
↓
At Ni
++-NTA-agarose (Qiagen-
Level pad: 10mM PO
4PH 7.5-150
The 40ml resin) goes up immobilized metal mM NaCl-4.0M GuHCl
Affinity chromatograph
Lavation buffer solution:
1) level pad
2)10mM PO
4 pH 7.5-150mM NaCl-
6M carbamide-25mM imidazoles
Elution buffer: 10mM PO
4PH 7.5-150mM
NaCl-6M carbamide-0.5M imidazoles
↓
Be concentrated into 3mg/ml
10kDa Omega film (Filtron)
↓
(Pharmacia-120ml resin) NaCl-6M carbamide
↓
Be concentrated into 1.5mg/ml
10kDa Omega film (Filtron)
↓
Dialysis (O/N-4 ℃)
Buffer: 10mM PO
4PH 6.8-150mM
NaCl-Empigen 0.3％
↓
Filtration sterilization Millex GV 0.22 μ m
→
Fig. 9 shows purity level (dyeing of Daiichi silver, the Coomassie blue of being estimated by SDS-PAGE G250, western blotting):
After dialysis and the filtration sterilization step:＞95%
→
Reclaim(the protein colorimetric determination is estimated: DOC TCA BCA)
Obtain 20mg SIV reduced form Nef-his albumen by 340 grammes per square metre group pichia pastoris phaff cells (weight in wet base) or 4L Dyno-mill homogenate OD 100 purification.
Embodiment 9: purification HIV reduced form NEF-HIS albumen (pichia pastoris phaff)
Carry out the purification flow process by 160 grammes per square metre group pichia pastoris phaff cells (weight in wet base) or 3 L Dyno-mill homogenate OD 50.At room temperature carry out chromatographic step.Between step, the positive flow point of Nef is preserved in cold house (+4 ℃) and is spent the night; When longer time, with sample in-20 ℃ of freezing preservations.
160 gram Pasteurs are finished red
Yeast cells
↓
Homogenate
Buffer: 3 L 50mM PO
4PH 7.0-Pefabloc
The final OD:50 of 5mM
↓
Dyno-mill fragmentation (4 times)
↓
Freeze/thaw
↓
Centrifugal JA10 rotor/9500rpm/60min/ room temperature
↓
The Dyno-mill precipitation
↓
Dissolving (O/N-4 ℃)
Buffer:+1L 10mM PO
4PH 7.5-150
mM NaCl-4.0M GuHCl
↓
Centrifugal JA10 rotor/9500rpm/60min/ room temperature
↓
Reduction+0.1M mistabrom sodium salt (adding powder)/
It is (molten with 1M NaOH to regulate pH to 7.5 before (3 hours-room temperature-dark place) incubation
Liquid)
↓
Urea groups methylates+0.15M iodoacetamide (adding powder)/and before incubation
(half an hour-room temperature-dark place) regulates pH to 7.5 (with 1M NaOH solution)
↓
At Ni
++-NTA-agarose (Qiagen-
Level pad: 10mM PO
4PH 7.5-150
The 10ml resin) goes up immobilized metal mM NaCl-4.0M GuHCl
Affinity chromatograph
Lavation buffer solution:
1) level pad
2)10mM PO
4 pH7.5-150mM NaCl-
6M carbamide
3)10mM PO
4 pH7.5-150mM NaCl-
6M carbamide-25mM imidazoles
Elution buffer: 10mM citrate pH 6.0-
150mM NaCl-6M carbamide-0.5M imidazoles
↓
Be concentrated into 3mg/ml
10kDa Omega film (Filtron)
↓
(Pharmacia-120ml resin) NaCl-6M carbamide
↓
Dialysis (O/N-4 ℃)
Buffer: 10mM PO
4PH 6.8-150mM
The NaCl-0.5M arginine
↓
Filtration sterilization Millex GV 0.22 μ m
→
Figure 10 shows purity level (dyeing of Daiichi silver, the coomassie of being estimated by SDS-PAGE Blue G250, western blotting):
After dialysis and the filtration sterilization step:＞95%
→
Return(the protein colorimetric determination is estimated: DOC TCA BCA)
Obtain 20mg HIV reduced form Nef-is albumen by 160 grammes per square metre group pichia pastoris phaff cells (weight in wet base) or 3 L Dyno-mill homogenate OD, 50 purification.
Embodiment 10: express SIV nef sequence in pichia pastoris phaff
In order to estimate Nef and the Tat antigen in pathogenic SHIV attack model, we have expressed the simian immunodeficiency virus in the macaque (SIV) Nef Protein S IVmac239 (AidsResearch and Human Retroviruses, 6:1221-1231,1990).In the Nef coding region, SIV mac 239 has an in-frame termination codon after 92aa, is contemplated to the only truncate product of 10kD.The remainder of Nef frame is an open reading-frame, estimates its encode 263aa albumen (30kD) of its complete readable form.
The SIVmac239nef gene parent material that we use be the dna fragmentation that is equivalent to be cloned in the complete encoding sequence on the LX5N plasmid (derive from Dr R.C.Desrosiers, Southborough, MA, USA).
Make the termination codon place sudden change (9353 nucleotide G replace former T nucleotide) before ripe of this SIV nef gene, so that express total length SIVmac239 Nef albumen.
In order in pichia pastoris phaff, to express described SIV nef gene, use PHIL-D2-MOD carrier (front is used to express HIV-1nef and tat sequence).Express described recombiant protein under the control of induction type alcohol oxidase (AOX1) promoter, this proteic C-terminal is extended for the affine tail of the histidine that helps purification.
10.1 make up integrating vector pRIT14908
In order to make up pRIT 14908, with primer SNEF1 and SNEF2 through PCR by pLX5N/SIV-NEF plasmid amplification SIV nef gene.
Primer SNEF1:5 ' ATCGT
CCATG.GGTGGAGCTATTTT 3 '
NcoI
Primer SNEF2:5 ' CGGCT
ACTAGTGCGAGTTTCCTT 3 '
SpeI
The SIV nef DNA section of amplification stops (Aids Research and Human Retroviruses, 6:1221-1231,1990) from nucleotide 9077 in nucleotide 9865.
At described PCR segmental 5 ' the terminal NcoI restriction site (the ATG codon that has the nef gene) that imports, and in SpeI site of 3 ' terminal importing.PCR fragment that obtains and integrating vector PHIL-D2-MOD use NcoI and SpeI restriction.Because a NcoI restriction site is positioned at (position 9286) on the SIV nef extension increasing sequence, so obtain two fragments of about respectively 200bp and about 600bp, purification on agarose gel is connected with the PHIL-D2-MOD carrier.Automatic sequencing is collected the recombiant plasmid that obtains, called after pRIT14908 after confirming nef amplification section.
10.2 the conversion of pichia pastoris phaff bacterial strain GS115 (his4).
For obtaining to express SIV nef-His's
Pichia pastoris phaffBacterial strain transforms bacterial strain GS115 (Figure 11) with the LINEAR N otI fragment of only carrying expression cassette and HIS4 gene.
Because the AOX1 dna homolog that two ends and pichia pastoris phaff have is so described LINEAR N otI dna fragmentation helps recombinating at the AOXI locus.
Select the multi-copy integration clone by quantitative Dot blot analysis.
Select one and show the highest transformant of recombiant protein output, be called Y1772.
Bacterial strain Y1772 produces reorganization SIV Nef-His albumen (a kind of 272 amino acid whose albumen), and described reorganization SIV Nef-His albumen is composed as follows:
° myristic acid
° methionine utilizes the NcoI cloning site of PHIL-D2-MOD carrier to produce
° 262 amino acid whose Nef albumen (from aminoacid 2, extend to aminoacid 263, see Figure 12)
A threonine that ° produces by clone's step and a serine (the SpeI site clone (Figure 11) of PHIL-D2-MOD carrier)
° a glycine and six histidine
Nucleic acid and protein sequence are seen Figure 12.
10.3 the sign of Y1772 bacterial strain expression product
Expression
Induce 16 hours in containing the culture medium of 1% methanol as carbon source after, estimation reorganization Nef-His albumen abundance is 10% total protein (Figure 13, a 3-4 swimming lane).
Dissolubility
The inducing culture thing of the proteic recombinant bacterial strain Y1772 of centrifugal generation Nef-His.Cell precipitation is resuspended in the broken buffer, with 0.5mm bead smudge cells, centrifuge cell extract.The albumen (S) that albumen (P) that the comparison infusible precipitate comprises on the SDS-PAGE10% of Coomassie blue stain and dissolving supernatant comprise.
As shown in figure 13, the main recombiant protein of bacterial strain Y1772 (swimming lane 3-4) is in insoluble part.
Bacterial strain Y1772 with satisfied expression of recombinant proteins level is used for producing and purification SIVNef-His albumen.
Embodiment 11: express GP120 in CHO
Set up the stable CHO-K1 cell line that produces the gP120 glycoprotein.Reorganization gP120 glycoprotein is the reorganization truncated-type gP120 envelope protein of HIV-1 separated strain W61D.The gP120 glycoprotein is secreted in the cell culture medium, then can be from culture medium the described albumen of purification.
Make up gp120 transfection plasmid pRIT13968
(Dr.Tersmette, CCB is Amsterdam) for containing the plasmid W61D (Nco-XhoI) of genome gp160 peplos coded sequence for the peplos dna encoding sequence (5 ' exon that comprises tat and rev) of the HIV-1 separated strain W61D that obtains.This plasmid is called pRIT13965.
In order to make up the gp120 expression cassette, must utilize primer tasteless nucleotide sequence (DIR 131) and round pcr to make a termination codon insert the aminoacid glu515 codon of the gp160 coded sequence among the pRIT13965.Primer DIR131 contains 3 termination codoies (in all open reading-frames) and a SalI restriction site.
Then, rebuild complete gp120 peplos sequence with the terminal BamH1-DraI fragment (170bp) of the N-of the gp160 plasmid subclones pW61d env (pRIT13966) that derives from pRIT13965 with by PCR by the DraI-SalI fragment (510bp) that pRIT13965 produces.With two kinds of fragment gel-purified, connect into together among the escherichia coli plasmid pUC18, at first use SalI (klenow processing) cutting, cut with BamH1 then.Obtain plasmid pRIT13967.Gene order to the XmaI-SalI fragment (1580bp) that contains gp120 coding box checks order, and finds identical with forecasting sequence.At first use BclI (klenow processing) cutting, then with the XmaI cutting, make plasmid RIT13967 connect into CHO GS expression vector pEE14 (Celltech Ltd., UK).The plasmid that obtains is called pRIT13968.
The preparation master cell bank
Using classical calcium phosphate precipitation/glycerol ballistic method is transfected in the Chinese hamster ovary celI gp120 construction (pRIT13968).After 2 days, the CHOK1 cell is cultivated with selective growth culture medium (GMEM+ sulfo group imines methionine (MSX) 25 μ M+ glutamate, Glu+agedoite+10% hyclones).Further at 175m
23 selected transfection clones of amplification in the culture bottle, seldom the culture bottle of cell is preserved in-80 ℃.Select C-env 23,9 further amplification culture.
Preparation minicell preparation storehouse, freezing 20 ampoules.In order to prepare preparation storehouse and MCB, cultured cell in the GMEM culture medium adds 7.5% hyclone and contains 50 μ M MSX in the culture medium.Test the aseptic of above-mentioned cell culture and mycoplasma situation, turn out to be feminine gender.
The cell preparation master cell bank CHOK1 env 23.9 (12 generation) that utilization obtains from the preparation master cell bank.In brief, the main seed cell of the preparation of 2 ampoules is seeded in the culture medium of adding 7.5% dialysis hyclone.Cell is divided in 4 culture bottles, in 37 ℃ of cultivations.Behind the cell attachment, culture medium changes the fresh culture that adds 50 μ M MSX into.When cell converges, use the trypsinization collecting cell, with 1/8 fen bottle ratio in T-culture bottle-the roll cultivation of going down to posterity in the bottle-cell factory device.By trypsinization and centrifugal from cell factory device collecting cell.Cell precipitation is resuspended to and adds in the culture medium of DMSO as the freezing agent.Labelling ampoule in advance, autoclaving, heated sealant (250 bottles).Check that bottle has ne-leakage, spend the night, be preserved in the liquid nitrogen then in-70 ℃ of preservations.
Cell culture and preparation crude product cutting
2 bottles of master cell banks of quick-thawing.Merge cell, 2 T-culture bottles (37 ± 1 ℃) that the suitable culture medium that adds 7.5% dialysis hyclone (FBS) is housed are gone in inoculation.When cell reaches (13 generation) when converging, the trypsinization collecting cell merges cell, amplification culture in 10 above-mentioned T-culture bottles.Trypsinization converges cell (14 generation), and (each installs 6000cm at 2 cell factory devices continuously
215 generations), amplification culture in 10 cell factory devices (16 generation) then.Add 7.5% dialysis hyclone (FBS) and 1%MSX in the described growth medium.When cell reaches when converging, discard growth medium, replace " the production culture medium " that only contain 1% dialysis hyclone and do not have MSX.(48 hours at interval) collected supernatant in per 2 days, until 32 days.By the culture fluid of 1.2-0.22 μ m defecator clarification results, be preserved in-20 ℃ before the purification immediately.
Embodiment 12: from cell culture fluid purification HIV GP 120 (W61D CHO)
All purification steps carry out in 2-8 ℃ cold house.Under this temperature, regulate pH of buffer, by 0.2 μ m membrane filtration.Test its pyrogen content (LAL mensuration).280nm optical density, pH and the electrical conductivity of continuous monitoring post eluate.
(i) clarification culture fluid
Clarification cell culture fluid (CCF) filtration sterilization of results adds Tris pH of buffer 8.0 to 30mM final concentrations.The CCF freezing is in-20 ℃ before the purification.
(ii) hydrophobic interaction chromatography
After thawing, in the clarification culture fluid, add ammonium sulfate to 1M.Make solution pass through to spend the night with the 30mMTris buffer-equilibrated TSK/TOYOPEARL-BUTYL650M of pH 8.0-1M ammonium sulfate (TOSOHAAS) post.Under these conditions, antigen combines with gel-type vehicle.The ammonium sulfate column scrubber that progressively reduces with gradient.Antigen washes out during ammonium sulfate in 30mM Tris buffer-pH8.0-0.25M.
(iii) anion-exchange chromatography
After reducing electrical conductivity of solution 5-6mS/cm, with the gP120 flow point application of sample that merges to Tris salt buffer-pH 8.0 equilibrated Q-sepharose Fast Flow (Pharmacia) posts.With negative mode is not attached gel operation post of gP120, is detained most impurity simultaneously.
(iv) concentrate and the ultrafiltration diafiltration
In order to improve protein concentration, the gP120 amalgamation liquid is added to the FILTRON film " Omega Screen Channel " of holding back 50kDa.After concentrated the finishing, exchange described buffer by diafiltration with the 5mM phosphate buffer pH7.0 that comprises calcium chloride 0.3mM.If further do not handle immediately, with gP120 amalgamation liquid freezing in-20 ℃.After thawing, make described solution pass through 0.2 μ M film so that remove insoluble substance.
(v) hydroxyapatite chromatography
With gP120UF amalgamation liquid application of sample to 5mM phosphate buffer+calcium chloride 0.3mM, the equilibrated macro-Prep Ceramic of pH7.0 Hydroxyapatite II type (Biorad) post.Use the same buffer column scrubber.Antigen is by post, and impurity combines with post.
(vi) cation-exchange chromatography
With gP120 amalgamation liquid application of sample to acetate buffer solution 20mM, the equilibrated CM/TOYOPEARL-650 S of pH5.0 (TOSOHAAS) post.With same buffer, use acetate 20mM, pH5.0 and NaCl 10mM column scrubber then.Afterwards with the same buffer eluting antigen that contains 80mM NaCl.
(vii) ultrafiltration
In order to strengthen the virus sweep ability of purge process, carry out a ultrafiltration step again.Make of FILTRON film " Omega ScreenChannel " ultrafiltration of gP120 amalgamation liquid by holding back 150kDa.This aperture film can detention antigen.Behind the said process, go up concentration and dilution antigen at the same type film (Filtron) of holding back 50kDa.
(viii) size exclusion gel chromatography
With gP120 amalgamation liquid application of sample to SUPERDEX 200 (PHARMACIA) post, so that exchange described buffer and eliminate residual impurity.With phosphate buffered saline(PBS) (PBS) eluting post.
(ix) filtration sterilization and preservation
Make flow point pass through 0.2 μ M pvdf membrane (Millipore) filtration sterilization.After the filtration sterilization, purification thing freezing is in-20 ℃, until preparing.Following flow table general introduction purification flow process.
SDS-PAGE analyzes the purity level (silver dyeing/Coomassie blue/western blotting) 〉=95% of estimation purification thing.
About 25% (the measuring) of the about 2.5mg/L CCF of productive rate (measuring)-total purification productive rate according to Elisa according to Lowry.
The purifying substance was stablized for 1 week (according to analyzing according to WB) in 37 ℃.
From culture fluid purification gp120
Labelling √ represents to remove the committed step of virus.
The clarification culture fluid
↓
Hydrophobic interaction chromatography
(BUTYL-TOYOPEARL 650 M)
↓
Anion-exchange chromatography
(negative mode)
(Q-SEPHAROSE)
↓
The 50KD ultrafiltration
(concentration and buffer-exchanged)
↓
(being preserved in-20 ℃)
↓
Hydroxyapatite chromatography
(negative mode)
(MACROPREP CERAMIC HYDROXYAPATITE II)
↓
Cation-exchange chromatography
(CM-TOYOPEARL 650 S)
↓
150KD ultrafiltration √
(the OMEGA film/FILTRON)
↓
The 50KD ultrafiltration
(concentrating)
↓
Size exclusion chromatography √
(SUPERDEX 200)
Filtration sterilization
↓
The purification thing
Be preserved in-20 ℃
Embodiment 13: vaccine production
The expression product that comprises the DNA recombinant of one or more coding for antigens according to the vaccine of the present invention's preparation.In addition, described preparation is included in the mixture of 3 deoxidation acidylate monophosphoryl lipid A 3D-MPL in oil/aqueous emulsion and QS21 or contains the not oligonucleotide and the aluminium hydroxide carrier of methylated CpG dinucleotide primitive.
3D-MPL: the chemistry detoxifcation form lipopolysaccharide (LPS) that is gram negative bacteria salmonella minnesota (Salmonellaminnesota).
The experiment of carrying out at Smith Kline Beecham Biologicals shows, strengthens humoral immunization and Th1 type cellular immunization forcefully with the 3D-MPL of various carrier combinations.
QS21: be a kind of saponin of the bark crude extract purification by Quillaja Saponaria Molina tree, it has very strong adjuvanticity: it is induced some antigenic antigenic specificity lymphopoiesis and CTL.
3D-MPL and QS21 are combined in to induce in humoral immunoresponse(HI) and the Th1 type cellullar immunologic response the obvious synergistic effect experiment showed, of carrying out of Smith Kline Beecham Biologicals.
Oil/aqueous emulsion comprises 2 kinds of oil (vitamin E and zamene) and contains the PBS of emulsifier tween 80.Described Emulsion comprises 5% zamene, 5% vitamin E, 2% Tween 80, and mean particle size is 180nm (referring to WO 95/17210).
At the experiment confirm that Smith Kline Beecham Biologicals carries out, O/W Emulsion and 3D-MPL/QS21 unite use and further strengthen its immunostimulatory properties.
Preparation oil/aqueous emulsion (2 times of concentrate)
Preparation oil-in-water preparation
With 10 times of spissated PBS pH 6.8 and water dilution antigen (100 μ ggp120 alone or in combination, 20 μ g NefTat and 20 μ g SIV Nef), then with 5 minutes continuous at interval oil in water emulsion, 3D-MPL (50 μ g), QS21 (50 μ g) and 1 μ g/ml thimerosal (as antiseptic) of adding.The Emulsion volume equals 50% (is 250 μ l for 500 μ l dosage) of cumulative volume.
All incubations all carry out under stirring at room.
CpG oligonucleotide (CpG) is the synthetic oligonucleotide that do not methylate that contains one or more CpG sequence motifs.Compare with the oil-in-water preparation of mainly inducing mixed type TH1/TH2 to reply, CpG is very effective TH1 type immune inducing agent.CpG induces lower level antibody than oil-in-water preparation, but induces the cell-mediated immune responses of good level.Estimate that CpG induces lower local response originality.
Preparation CpG oligonucleotide solution: make CpG dry powder be dissolved in water and obtain 5mg/ml CpG solution.
Preparation CpG preparation
Make described 3 kinds of antigens to sodium chloride 150mM dialysis, elimination inhibition gp120 is adsorbed on the phosphate anion on the aluminium hydroxide.
Before being adsorbed on the aluminium hydroxide, with the antigen (100 μ g gp120,20 μ g NefTat and 20 μ g SIV Nef) of dilute with water and CpG solution (500 μ gCpG) incubation 30 minutes, help the potential interaction (compare with free CpG, the immunostimulation of described CpG is stronger when combining with described antigen) between the antigenic His tail of NefTat and Nef and the oligonucleotide.Then, added at interval aluminium hydroxide (500 μ g), 10 times of concentrated sodium chloride and 1 μ g/ml thimerosal (as antiseptic) in 5 minutes continuously.
All incubations carry out under stirring at room.
Embodiment 14: immunity inoculation and SHIV that Rhesus Macacus is carried out attack experiment
First research
With following vaccine combination the 0th, 1 and each group of 3 months intramuscular immunity (4/group) Rhesus Macacus:
The 1st group: adjuvant 2+gp120
The 2nd group: adjuvant 2+gp120+NefTat+SIV Nef
The 3rd group: adjuvant 2+NefTat
*+ SIV Nef
The 4th group: adjuvant 6+gp120+NefTat+SIV Nef
The 5th group: adjuvant 2+NefTat+SIV Nef
The 6th group: adjuvant 2
Tat
*Expression mutation T at, Lys41 → Ala wherein, Arg78 → Lys in the RGD primitive, Asp80 → Glu (Virology 235:48-64,1997).
Back 1 month of last immunity is attacked all animals with pathogenic SHIV (Strain 89.6p).From using virus attack week (16 week), at the appointed time property dot cycle blood sampling is measured the CD4 positive percentage (Figure 14) in the peripheral blood lymphocytes and is passed through bDNA detection assay blood plasma RNA viral genome concentration (Figure 15) by facs analysis.
The result
All animals are used SHIV
89.6PAll become infection animal after the attack.
(have only the 1st, 6 group (matched group) that 1 animal exception is respectively arranged) in the 1st, 3,5,6 group of all animals, Strain is attacked back CD4 positive cell and is all descended.The 2nd group of all animal CD4 positive cell descends slightly, along with the time returns back to baseline values.In the 4th treated animal, observe similar trend (Figure 14).
The viral load data are almost opposite with the CD4 data.In 3/4 the 2nd treated animal (and 1 control animal that keeps the CD4 positive cell), viral load drops to below the detection level, and the 4th animal only shows the quantity of viruses of critical level.Other animal of great majority keeps high level or by-level quantity of viruses (Figure 15).
Surprisingly, in whole research, high 2-3 doubly than the 5th group (not mutated Tat etc. on the same group) for anti-Tat that detects by ELISA and anti-Nef antibody titer the 3rd group (mutation T at).
In 68 whens week (attacking 56 weeks of back), two groups of (the 2nd, 4 group) all animals accepting the complete antigen combination still survive, and other is organized most of animals and all has to carry out euthanasia because of AIDS sample symptom.Each organizes surviving animals:
The 1st group: 2/4
The 2nd group: 4/4
The 3rd group: 0/4
The 4th group: 4/4
The 5th group: 0/4
The 6th group: 1/4
Conclusion
Gp120 and NefTat (under the situation that has SIV Nef) combination prevents the forfeiture of CD4 positive cell, reduces pathogenic SHIV
89.6PThe intravital quantity of viruses of infection animal postpones or prevents AIDS sample disease symptoms, and independent gp120 or NefTat/SIV Nef do not produce protective effect to the pathological examination that SHIV attacks.
As if adjuvant 2 is for comprising the oil in water emulsion of zamene, vitamin E and Tween 80 and 3D-MPL and QS21, and it is stronger than alum/CpG adjuvant to the effect of final result of study.
Second research
The purpose of carrying out second Rhesus Macacus SHIV Attack Research is the effect and the different Tat type of the comparison antigen of conclusive evidence candidate vaccine gp120/NefTat+ adjuvant.This research is undertaken by a different laboratory.
Research design is as follows.
At the 0th, 4,12 all each groups of intramuscular injection immunity (6/group) Rhesus Macacus, pathogenic SHIV in the 16th week with standard dose
89.6pAttack.
The 1st group is the 2nd group of first research of repetition.
The 1st group: adjuvant 2+gp120+NefTat+SIV Nef
The 2nd group: adjuvant 2+gp120+Tat (oxidized form)
The 3rd group: adjuvant 2+gp120+Tat (reduced form)
The 4th group: adjuvant 2
Follow up a case by regular visits to/final index still is quantity of viruses, the M ﹠ M that CD4 positive percentage, RT-PCR detect.
The result
Except 1 animal of the 2nd group, all animals are all being used SHIV
89.6pBecome infection animal after the attack.
The 4th matched group and the 3rd group of all animals and the 2nd group of (1 animal exception) CD4 positive cell after all animals are attacked significantly reduce.The 1st group is had only 1 animal to show that the CD4 positive cell significantly reduces.Different with the animal of first research, the Rhesus Macacus of second experiment after virus attack 1 month, the CD4 positive cell of varying level is stablized (Figure 16).Stability generally is lower than initial CD4 positive percentage, but the CD4 positive cell is completely lost.Can illustrate that this point is: the Rhesus Macacus population that is used for second research induces the susceptibility of disease to reduce to SHIV.However, the beneficial effect of gp120/NefTat/SIV Nef vaccine and two kinds of gp120/Tat vaccines is confirmed.In the immunity inoculation animal, the number of animals of CD4 positive percentage more than 20 is 5, do not have 1 adjuvant group control animal to be kept above described level.
Analysed for plasma RNA viruses loading has confirmed the susceptibility of zoologizeing relatively low (Figure 17).Have only 2 to keep high quantity of viruses in 6 control animals, and virus disappear in other animal from blood plasma.Therefore, with of the effect of quantity of viruses difficult parameters with the confirmation vaccine.Conclusion
Analyze the CD4 positive cell and show, vaccine gp120/NefTat+ adjuvant (having SIV Nef) prevents that most of immunity inoculation animal CD4 positive cells from descending.This has further confirmed the result that first SHIV research obtains.Owing to zoologizeing the shortage susceptibility, so can not confirm the vaccine effect with the quantity of viruses parameter.Generally speaking, according to SHIV model evidence, gp120 and Tat and the combination of Nef HIV antigen can produce protective effect to the pathological examination that HIV infects.
Independent Tat antigen and gp120 combination also can descend to the CD4 positive cell provides certain protective role.Its effect is obvious not as the combination of gp120/NefTat/SIV Nef antigen, but confirms that gp120 and Tat can mediate the certain protective role of anti-SHIV inductivity disease performance.
With carrying out second SHIV Attack Research with first Rhesus Macacus of zoologizeing the irrelevant fully separate sources in source.Two parameters of CD4 positive percentage and plasma viral loading are all pointed out, and the animal of second research is lower to the susceptibility of SHIV inductivity disease, and the variability between the animal is obviously bigger.However, with the beneficial effect of the still visible gp120/NefTat/SIV Nef vaccine of the experimental vaccine that comprises gp120/NefTat and SIV Nef to maintenance CD4 positive cell.Illustrate that described vaccine effect not only obtains to reappear in independent studies, and in uncorrelated monkey group, be confirmed.
Sequence table
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ggagcaatca caagtagcaa tacagcagct accaatgctg cttgtgcctg gctagaagca 180
caagaggagg aggaggtggg ttttccagtc acacctcagg tacctttaag accaatgact 240
tacaaggcag ctgtagatct tagccacttt ttaaaagaaa aggggggact ggaagggcta 300
attcactccc aacgaagaca agatatcctt gatctgtgga tctaccacac acaaggctac 360
ttccctgatt ggcagaacta cacaccaggg ccaggggtca gatatccact gacctttgga 420
tggtgctaca agctagtacc agttgagcca gataaggtag aagaggccaa taaaggagag 480
aacaccagct tgttacaccc tgtgagcctg catggaatgg atgaccctga gagagaagtg 540
ttagagtgga ggtttgacag ccgcctagca tttcatcacg tggcccgaga gctgcatccg 600
gagtacttca agaactgcac tagtgagcca gtagatccta gactagagcc ctggaagcat 660
ccaggaagtc agcctaaaac tgcttgtacc aattgctatt gtaaaaagtg ttgctttcat 720
tgccaagttt gtttcataac aaaagcctta ggcatctcct atggcaggaa gaagcggaga 780
cagcgacgaa gacctcctca aggcagtcag actcatcaag tttctctatc aaagcaaccc 840
acctcccaat cccgagggga cccgacaggc ccgaaggaaa ctagtggcca ccatcaccat 900
<210>13
<211>302
<212>PRT
＜213〉people
<400>13
Met Gly Gly Lys Trp Ser Lys Ser Ser Val Val Gly Trp Pro Thr Val
1 5 10 15
Arg Glu Arg Met Arg Arg Ala Glu Pro Ala Ala Asp Gly Val Gly Ala
20 25 30
Ala Ser Arg Asp Leu Glu Lys His Gly Ala Ile Thr Ser Ser Asn Thr
35 40 45
Ala Ala Thr Asn Ala Ala Cys Ala Trp Leu Glu Ala Gln Glu Glu Glu
50 55 60
Glu Val Gly Phe Pro Val Thr Pro Gln Val Pro Leu Arg Pro Met Thr
65 70 75 80
Tyr Lys Ala Ala Val Asp Leu Ser His Phe Leu Lys Glu Lys Gly Gly
85 90 95
Leu Glu Gly Leu Ile His Ser Gln Arg Arg Gln Asp Ile Leu Asp Leu
100 105 110
Trp Ile Tyr His Thr Gln Gly Tyr Phe Pro Asp Trp Gln Asn Tyr Thr
115 120 125
Pro Gly Pro Gly Val Arg Tyr Pro Leu Thr Phe Gly Trp Cys Tyr Lys
130 135 140
Leu Val Pro Val Glu Pro Asp Lys Val Glu Glu Ala Asn Lys Gly Glu
145 150 155 160
Asn Thr Ser Leu Leu His Pro Val Ser Leu His Gly Met Asp Asp Pro
165 170 175
Glu Arg Glu Val Leu Glu Trp Arg Phe Asp Ser Arg Leu Ala Phe His
180 185 190
His Val Ala Arg Glu Leu His Pro Glu Tyr Phe Lys Asn Cys Thr Ser
195 200 205
Glu Pro Val Asp Pro Arg Leu Glu Pro Trp Lys His Pro Gly Ser Gln
210 215 220
Pro Lys Thr Ala Cys Thr Asn Cys Tyr Cys Lys Lys Cys Cys Phe His
225 230 235 240
Cys Gln Val Cys Phe Ile Thr Lys Ala Leu Gly Ile Ser Tyr Gly Arg
245 250 255
Lys Lys Arg Arg Gln Arg Arg Arg Pro Pro Gln Gly Ser Gln Thr His
260 265 270
Gln Val Ser Leu Ser Lys Gln Pro Thr Ser Gln Ser Arg Gly Asp Pro
275 280 285
Thr Gly Pro Lys Glu Thr Ser Gly His His His His His His
290 295 300
<210>14
<211>1029
<212>DNA
＜213〉people
<400>14
atggatccaa aaactttagc cctttcttta ttagcagctg gcgtactagc aggttgtagc 60
agccattcat caaatatggc gaatacccaa atgaaatcag acaaaatcat tattgctcac 120
cgtggtgcta gcggttattt accagagcat acgttagaat ctaaagcact tgcttttgca 180
caacaggctg attatttaga gcaagattta gcaatgacta aggatggtcg tttagtggtt 240
attcacgatc actttttaga tggcttgact gatgttgcga aaaaattccc acatcgtcat 300
cgtaaagatg gccgttacta tgtcatcgac tttaccttaa aagaaattca aagtttagaa 360
atgacagaaa actttgaaac catgggtggc aagtggtcaa aaagtagtgt ggttggatgg 420
cctactgtaa gggaaagaat gagacgagct gagccagcag cagatggggt gggagcagca 480
tctcgagacc tggaaaaaca tggagcaatc acaagtagca atacagcagc taccaatgct 540
gcttgtgcct ggctagaagc acaagaggag gaggaggtgg gttttccagt cacacctcag 600
gtacctttaa gaccaatgac ttacaaggca gctgtagatc ttagccactt tttaaaagaa 660
aaggggggac tggaagggct aattcactcc caacgaagac aagatatcct tgatctgtgg 720
atctaccaca cacaaggcta cttccctgat tggcagaact acacaccagg gccaggggtc 780
agatatccac tgacctttgg atggtgctac aagctagtac cagttgagcc agataaggta 840
gaagaggcca ataaaggaga gaacaccagc ttgttacacc ctgtgagcct gcatggaatg 900
gatgaccctg agagagaagt gttagagtgg aggtttgaca gccgcctagc atttcatcac 960
gtggcccgag agctgcatcc ggagtacttc aagaactgca ctagtggcca ccatcaccat 1020
caccattaa 1029
<210>15
<211>324
<212>PRT
＜213〉people
<400>15
Cys Ser Ser His Ser Ser Asn Met Ala Asn Thr Gln Met Lys Ser Asp
1 5 10 15
Lys Ile Ile Ile Ala His Arg Gly Ala Ser Gly Tyr Leu Pro Glu His
20 25 30
Thr Leu Glu Ser Lys Ala Leu Ala Phe Ala Gln Gln Ala Asp Tyr Leu
35 40 45
Glu Gln Asp Leu Ala Met Thr Lys Asp Gly Arg Leu Val Val Ile His
50 55 60
Asp His Phe Leu Asp Gly Leu Thr Asp Val Ala Lys Lys Phe Pro His
65 70 75 80
Arg His Arg Lys Asp Gly Arg Tyr Tyr Val Ile Asp Phe Thr Leu Lys
85 90 95
Glu Ile Gln Ser Leu Glu Met Thr Glu Asn Phe Glu Thr Met Gly Gly
100 105 110
Lys Trp Ser Lys Ser Ser Val Val Gly Trp Pro Thr Val Arg Glu Arg
115 120 125
Met Arg Arg Ala Glu Pro Ala Ala Asp Gly Val Gly Ala Ala Ser Arg
130 135 140
Asp Leu Glu Lys His Gly Ala Ile Thr Ser Ser Asn Thr Ala Ala Thr
145 150 155 160
Asn Ala Ala Cys Ala Trp Leu Glu Ala Gln Glu Glu Glu Glu Val Gly
165 170 175
Phe Pro Val Thr Pro Gln Val Pro Leu Arg Pro Met Thr Tyr Lys Ala
180 185 190
Ala Val Asp Leu Ser His Phe Leu Lys Glu Lys Gly Gly Leu Glu Gly
195 200 205
Leu Ile His Ser Gln Arg Arg Gln Asp Ile Leu Asp Leu Trp Ile Tyr
210 215 220
His Thr Gln Gly Tyr Phe Pro Asp Trp Gln Asn Tyr Thr Pro Gly Pro
225 230 235 240
Gly Val Arg Tyr Pro Leu Thr Phe Gly Trp Cys Tyr Lys Leu Val Pro
245 250 255
Val Glu Pro Asp Lys Val Glu Glu Ala Asn Lys Gly Glu Asn Thr Ser
260 265 270
Leu Leu His Pro Val Ser Leu His Gly Met Asp Asp Pro Glu Arg Glu
275 280 285
Val Leu Glu Trp Arg Phe Asp Ser Arg Leu Ala Phe His His Val Ala
290 295 300
Arg Glu Leu His Pro Glu Tyr Phe Lys Asn Cys Thr Ser Gly His His
305 310 315 320
His His His His
<210>16
<211>1290
<212>DNA
＜213〉people
<400>16
atggatccaa aaactttagc cctttcttta ttagcagctg gcgtactagc aggttgtagc 60
agccattcat caaatatggc gaatacccaa atgaaatcag acaaaatcat tattgctcac 120
cgtggtgcta gcggttattt accagagcat acgttagaat ctaaagcact tgcgtttgca 180
caacaggctg attatttaga gcaagattta gcaatgacta aggatggtcg tttagtggtt 240
attcacgatc actttttaga tggcttgact gatgttgcga aaaaattccc acatcgtcat 300
cgtaaagatg gccgttacta tgtcatcgac tttaccttaa aagaaattca aagtttagaa 360
atgacagaaa actttgaaac catgggtggc aagtggtcaa aaagtagtgt ggttggatgg 420
cctactgtaa gggaaagaat gagacgagct gagccagcag cagatggggt gggagcagca 480
tctcgagacc tggaaaaaca tggagcaatc acaagtagca atacagcagc taccaatgct 540
gcttgtgcct ggctagaagc acaagaggag gaggaggtgg gttttccagt cacacctcag 600
gtacctttaa gaccaatgac ttacaaggca gctgtagatc ttagccactt tttaaaagaa 660
aaggggggac tggaagggct aattcactcc caacgaagac aagatatcct tgatctgtgg 720
atctaccaca cacaaggcta cttccctgat tggcagaact acacaccagg gccaggggtc 780
agatatccac tgacctttgg atggtgctac aagctagtac cagttgagcc agataaggta 840
gaagaggcca ataaaggaga gaacaccagc ttgttacacc ctgtgagcct gcatggaatg 900
gatgaccctg agagagaagt gttagagtgg aggtttgaca gccgcctagc atttcatcac 960
gtggcccgag agctgcatcc ggagtacttc aagaactgca ctagtgagcc agtagatcct 1020
agactagagc cctggaagca tccaggaagt cagcctaaaa ctgcttgtac caattgctat 1080
tgtaaaaagt gttgctttca ttgccaagtt tgtttcataa caaaagcctt aggcatctcc 1140
tatggcagga agaagcggag acagcgacga agacctcctc aaggcagtca gactcatcaa 1200
gtttctctat caaagcaacc cacctcccaa tcccgagggg acccgacagg cccgaaggaa 1260
actagtggcc accatcacca tcaccattaa 1290
<210>17
<211>411
<212>PRT
＜213〉people
<400>17
Cys Ser Ser His Ser Ser Asn Met Ala Asn Thr Gln Met Lys Ser Asp
1 5 10 15
Lys Ile Ile Ile Ala His Arg Gly Ala Ser Gly Tyr Leu Pro Glu His
20 25 30
Thr Leu Glu Ser Lys Ala Leu Ala Phe Ala Gln Gln Ala Asp Tyr Leu
35 40 45
Glu Gln Asp Leu Ala Met Thr Lys Asp Gly Arg Leu Val Val Ile His
50 55 60
Asp His Phe Leu Asp Gly Leu Thr Asp Val Ala Lys Lys Phe Pro His
65 70 75 80
Arg His Arg Lys Asp Gly Arg Tyr Tyr Val Ile Asp Phe Thr Leu Lys
85 90 95
Glu Ile Gln Ser Leu Glu Met Thr Glu Asn Phe Glu Thr Met Gly Gly
100 105 110
Lys Trp Ser Lys Ser Ser Val Val Gly Trp Pro Thr Val Arg Glu Arg
115 120 125
Met Arg Arg Ala Glu Pro Ala Ala Asp Gly Val Gly Ala Ala Ser Arg
130 135 140
Asp Leu Glu Lys His Gly Ala Ile Thr Ser Ser Asn Thr Ala Ala Thr
145 150 155 160
Asn Ala Ala Cys Ala Trp Leu Glu Ala Gln Glu Glu Glu Glu Val Gly
165 170 175
Phe Pro Val Thr Pro Gln Val Pro Leu Arg Pro Met Thr Tyr Lys Ala
180 185 190
Ala Val Asp Leu Ser His Phe Leu Lys Glu Lys Gly Gly Leu Glu Gly
195 200 205
Leu Ile His Ser Gln Arg Arg Gln Asp Ile Leu Asp Leu Trp Ile Tyr
210 215 220
His Thr Gln Gly Tyr Phe Pro Asp Trp Gln Asn Tyr Thr Pro Gly Pro
225 230 235 240
Gly Val Arg Tyr Pro Leu Thr Phe Gly Trp Cys Tyr Lys Leu Val Pro
245 250 255
Val Glu Pro Asp Lys Val Glu Glu Ala Asn Lys Gly Glu Asn Thr Ser
260 265 270
Leu Leu His Pro Val Ser Leu His Gly Met Asp Asp Pro Glu Arg Glu
275 280 285
Val Leu Glu Trp Arg Phe Asp Ser Arg Leu Ala Phe His His Val Ala
290 295 300
Arg Glu Leu His Pro Glu Tyr Phe Lys Asn Cys Thr Ser Glu Pro Val
305 310 315 320
Asp Pro Arg Leu Glu Pro Trp Lys His Pro Gly Ser Gln Pro Lys Thr
325 330 335
Ala Cys Thr Asn Cys Tyr Cys Lys Lys Cys Cys Phe His Cys Gln Val
340 345 350
Cys Phe Ile Thr Lys Ala Leu Gly Ile Ser Tyr Gly Arg Lys Lys Arg
355 360 365
Arg Gln Arg Arg Arg Pro Pro Gln Gly Ser Gln Thr His Gln Val Ser
370 375 380
Leu Ser Lys Gln Pro Thr Ser Gln Ser Arg Gly Asp Pro Thr Gly Pro
385 390 395 400
Lys Glu Thr Ser Gly His His His His His His
405 410
<210>18
<211>981
<212>DNA
＜213〉people
<400>18
atggatccaa gcagccattc atcaaatatg gcgaataccc aaatgaaatc agacaaaatc 60
attattgctc accgtggtgc tagcggttat ttaccagagc atacgttaga atctaaagca 120
cttgcgtttg cacaacaggc tgattattta gagcaagatt tagcaatgac taaggatggt 180
cgtttagtgg ttattcacga tcacttttta gatggcttga ctgatgttgc gaaaaaattc 240
ccacatcgtc atcgtaaaga tggccgttac tatgtcatcg actttacctt aaaagaaatt 300
caaagtttag aaatgacaga aaactttgaa accatgggtg gcaagtggtc aaaaagtagt 360
gtggttggat ggcctactgt aagggaaaga atgagacgag ctgagccagc agcagatggg 420
gtgggagcag catctcgaga cctggaaaaa catggagcaa tcacaagtag caatacagca 480
gctaccaatg ctgcttgtgc ctggctagaa gcacaagagg aggaggaggt gggttttcca 540
gtcacacctc aggtaccttt aagaccaatg acttacaagg cagctgtaga tcttagccac 600
tttttaaaag aaaagggggg actggaaggg ctaattcact cccaacgaag acaagatatc 660
cttgatctgt ggatctacca cacacaaggc tacttccctg attggcagaa ctacacacca 720
gggccagggg tcagatatcc actgaccttt ggatggtgct acaagctagt accagttgag 780
ccagataagg tagaagaggc caataaagga gagaacacca gcttgttaca ccctgtgagc 840
ctgcatggaa tggatgaccc tgagagagaa gtgttagagt ggaggtttga cagccgccta 900
gcatttcatc acgtggcccg agagctgcat ccggagtact tcaagaactg cactagtggc 960
caccatcacc atcaccatta a 981
<210>19
<211>326
<212>PRT
＜213〉people
<400>19
Met Asp Pro Ser Ser His Ser Ser Asn Met Ala Asn Thr Gln Met Lys
1 5 10 15
Ser Asp Lys Ile Ile Ile Ala His Arg Gly Ala Ser Gly Tyr Leu Pro
20 25 30
Glu His Thr Leu Glu Ser Lys Ala Leu Ala Phe Ala Gln Gln Ala Asp
35 40 45
Tyr Leu Glu Gln Asp Leu Ala Met Thr Lys Asp Gly Arg Leu Val Val
50 55 60
Ile His Asp His Phe Leu Asp Gly Leu Thr Asp Val Ala Lys Lys Phe
65 70 75 80
Pro His Arg His Arg Lys Asp Gly Arg Tyr Tyr Val Ile Asp Phe Thr
85 90 95
Leu Lys Glu Ile Gln Ser Leu Glu Met Thr Glu Asn Phe Glu Thr Met
100 105 110
Gly Gly Lys Trp Ser Lys Ser Ser Val Val Gly Trp Pro Thr Val Arg
115 120 125
Glu Arg Met Arg Arg Ala Glu Pro Ala Ala Asp Gly Val Gly Ala Ala
130 135 140
Ser Arg Asp Leu Glu Lys His Gly Ala Ile Thr Ser Ser Asn Thr Ala
145 150 155 160
Ala Thr Asn Ala Ala Cys Ala Trp Leu Glu Ala Gln Glu Glu Glu Glu
165 170 175
Val Gly Phe Pro Val Thr Pro Gln Val Pro Leu Arg Pro Met Thr Tyr
180 185 190
Lys Ala Ala Val Asp Leu Ser His Phe Leu Lys Glu Lys Gly Gly Leu
195 200 205
Glu Gly Leu Ile His Ser Gln Arg Arg Gln Asp Ile Leu Asp Leu Trp
210 215 220
Ile Tyr His Thr Gln Gly Tyr Phe Pro Asp Trp Gln Asn Tyr Thr Pro
225 230 235 240
Gly Pro Gly Val Arg Tyr Pro Leu Thr Phe Gly Trp Cys Tyr Lys Leu
245 250 255
Val Pro Val Glu Pro Asp Lys Val Glu Glu Ala Asn Lys Gly Glu Asn
260 265 270
Thr Ser Leu Leu His Pro Val Ser Leu His Gly Met Asp Asp Pro Glu
275 280 285
Arg Glu Val Leu Glu Trp Arg Phe Asp Ser Arg Leu Ala Phe His His
290 295 300
Val Ala Arg Glu Leu His Pro Glu Tyr Phe Lys Asn Cys Thr Ser Gly
305 310 315 320
His His His His His His
325
<210>20
<211>1242
<212>DNA
＜213〉people
<400>20
atggatccaa gcagccattc atcaaatatg gcgaataccc aaatgaaatc agacaaaatc 60
attattgctc accgtggtgc tagcggttat ttaccagagc atacgttaga atctaaagca 120
cttgcgtttg cacaacaggc tgattattta gagcaagatt tagcaatgac taaggatggt 180
cgtttagtgg ttattcacga tcacttttta gatggcttga ctgatgttgc gaaaaaattc 240
ccacatcgtc atcgtaaaga tggccgttac tatgtcatcg actttacctt aaaagaaatt 300
caaagtttag aaatgacaga aaactttgaa accatgggtg gcaagtggtc aaaaagtagt 360
gtggttggat ggcctactgt aagggaaaga atgagacgag ctgagccagc agcagatggg 420
gtgggagcag catctcgaga cctggaaaaa catggagcaa tcacaagtag caatacagca 480
gctaccaatg ctgcttgtgc ctggctagaa gcacaagagg aggaggaggt gggttttcca 540
gtcacacctc aggtaccttt aagaccaatg acttacaagg cagctgtaga tcttagccac 600
tttttaaaag aaaagggggg actggaaggg ctaattcact cccaacgaag acaagatatc 660
cttgatctgt ggatctacca cacacaaggc tacttccctg attggcagaa ctacacacca 720
gggccagggg tcagatatcc actgaccttt ggatggtgct acaagctagt accagttgag 780
ccagataagg tagaagaggc caataaagga gagaacacca gcttgttaca ccctgtgagc 840
ctgcatggaa tggatgaccc tgagagagaa gtgttagagt ggaggtttga cagccgccta 900
gcatttcatc acgtggcccg agagctgcat ccggagtact tcaagaactg cactagtgag 960
ccagtagatc ctagactaga gccctggaag catccaggaa gtcagcctaa aactgcttgt 1020
accaattgct attgtaaaaa gtgttgcttt cattgccaag tttgtttcat aacaaaagcc 1080
ttaggcatct cctatggcag gaagaagcgg agacagcgac gaagacctcc tcaaggcagt 1140
cagactcatc aagtttctct atcaaagcaa cccacctccc aatcccgagg ggacccgaca 1200
ggcccgaagg aaactagtgg ccaccatcac catcaccatt aa 1242
<210>21
<211>413
<212>PRT
＜213〉people
<400>21
Met Asp Pro Ser Ser His Ser Ser Asn Met Ala Asn Thr Gln Met Lys
1 5 10 15
Ser Asp Lys Ile Ile Ile Ala His Arg Gly Ala Ser Gly Tyr Leu Pro
20 25 30
Glu His Thr Leu Glu Ser Lys Ala Leu Ala Phe Ala Gln Gln Ala Asp
35 40 45
Tyr Leu Glu Gln Asp Leu Ala Met Thr Lys Asp Gly Arg Leu Val Val
50 55 60
Ile His Asp His Phe Leu Asp Gly Leu Thr Asp Val Ala Lys Lys Phe
65 70 75 80
Pro His Arg His Arg Lys Asp Gly Arg Tyr Tyr Val Ile Asp Phe Thr
85 90 95
Leu Lys Glu Ile Gln Ser Leu Glu Met Thr Glu Asn Phe Glu Thr Met
100 105 110
Gly Gly Lys Trp Ser Lys Ser Ser Val Val Gly Trp Pro Thr Val Arg
115 120 125
Glu Arg Met Arg Arg Ala Glu Pro Ala Ala Asp Gly Val Gly Ala Ala
130 135 140
Ser Arg Asp Leu Glu Lys His Gly Ala Ile Thr Ser Ser Asn Thr Ala
145 150 155 160
Ala Thr Asn Ala Ala Cys Ala Trp Leu Glu Ala Gln Glu Glu Glu Glu
165 170 175
Val Gly Phe Pro Val Thr Pro Gln Val Pro Leu Arg Pro Met Thr Tyr
180 185 190
Lys Ala Ala Val Asp Leu Ser His Phe Leu Lys Glu Lys Gly Gly Leu
195 200 205
Glu Gly Leu Ile His Ser Gln Arg Arg Gln Asp Ile Leu Asp Leu Trp
210 215 220
Ile Tyr His Thr Gln Gly Tyr Phe Pro Asp Trp Gln Asn Tyr Thr Pro
225 230 235 240
Gly Pro Gly Val Arg Tyr Pro Leu Thr Phe Gly Trp Cys Tyr Lys Leu
245 250 255
Val Pro Val Glu Pro Asp Lys Val Glu Glu Ala Asn Lys Gly Glu Asn
260 265 270
Thr Ser Leu Leu His Pro Val Ser Leu His Gly Met Asp Asp Pro Glu
275 280 285
Arg Glu Val Leu Glu Trp Arg Phe Asp Ser Arg Leu Ala Phe His His
290 295 300
ValAla Arg Glu Leu His Pro Glu Tyr Phe Lys Asn Cys Thr Ser Glu
305 310 315 320
Pro Val Asp Pro Arg Leu Glu Pro Trp Lys His Pro Gly Ser Gln Pro
325 330 335
Lys Thr Ala Cys Thr Asn Cys Tyr Cys Lys Lys Cys Cys Phe His Cys
340 345 350
Gln Val Cys Phe Ile Thr Lys Ala Leu Gly Ile Ser Tyr Gly Arg Lys
355 360 365
Lys Arg Arg Gln Arg Arg Arg Pro Pro Gln Gly Ser Gln Thr His Gln
370 375 380
Val Ser Leu Ser Lys Gln Pro Thr Ser Gln Ser Arg Gly Asp Pro Thr
385 390 395 400
Gly Pro Lys Glu Thr Ser Gly His His His His His His
405 410
<210>22
<211>288
<212>DNA
＜213〉people
<400>22
atggagccag tagatcctag actagagccc tggaagcatc caggaagtca gcctaaaact 60
gcttgtacca attgctattg taaaaagtgt tgctttcatt gccaagtttg tttcataaca 120
gctgccttag gcatctccta tggcaggaag aagcggagac agcgacgaag acctcctcaa 180
ggcagtcaga ctcatcaagt ttctctatca aagcaaccca cctcccaatc caaaggggag 240
ccgacaggcc cgaaggaaac tagtggccac catcaccatc accattaa 288
<210>23
<211>95
<212>PRT
＜213〉people
<400>23
Met Glu Pro Val Asp Pro Arg Leu Glu Pro Trp Lys His Pro Gly Ser
1 5 10 15
Gln Pro Lys Thr Ala Cys Thr Asn Cys Tyr Cys Lys Lys Cys Cys Phe
20 25 30
His Cys Gln Val Cys Phe Ile Thr Ala Ala Leu Gly Ile Ser Tyr Gly
35 40 45
Arg Lys Lys Arg Arg Gln Arg Arg Arg Pro Pro Gln Gly Ser Gln Thr
50 55 60
His Gln Val Ser Leu Ser Lys Gln Pro Thr Ser Gln Ser Lys Gly Glu
65 70 75 80
Pro Thr Gly Pro Lys Glu Thr Ser Gly His His His His His His
85 90 95
<210>24
<211>909
<212>DNA
＜213〉people
<400>24
atgggtggca agtggtcaaa aagtagtgtg gttggatggc ctactgtaag ggaaagaatg 60
agacgagctg agccagcagc agatggggtg ggagcagcat ctcgagacct ggaaaaacat 120
ggagcaatca caagtagcaa tacagcagct accaatgctg cttgtgcctg gctagaagca 180
caagaggagg aggaggtggg ttttccagtc acacctcagg tacctttaag accaatgact 240
tacaaggcag ctgtagatct tagccacttt ttaaaagaaa aggggggact ggaagggcta 300
attcactccc aacgaagaca agatatcctt gatctgtgga tctaccacac acaaggctac 360
ttccctgatt ggcagaacta cacaccaggg ccaggggtca gatatccact gacctttgga 420
tggtgctaca agctagtacc agttgagcca gataaggtag aagaggccaa taaaggagag 480
aacaccagct tgttacaccc tgtgagcctg catggaatgg atgaccctga gagagaagtg 540
ttagagtgga ggtttgacag ccgcctagca tttcatcacg tggcccgaga gctgcatccg 600
gagtacttca agaactgcac tagtgagcca gtagatccta gactagagcc ctggaagcat 660
ccaggaagtc agcctaaaac tgcttgtacc aattgctatt gtaaaaagtg ttgctttcat 720
tgccaagttt gtttcataac agctgcctta ggcatctcct atggcaggaa gaagcggaga 780
cagcgacgaa gacctcctca aggcagtcag actcatcaag tttctctatc aaagcaaccc 840
acctcccaat ccaaagggga gccgacaggc ccgaaggaaa ctagtggcca ccatcaccat 900
<210>25
<211>302
<212>PRT
＜213〉people
<400>25
Met Gly Gly Lys Trp Ser Lys Ser Ser Val Val Gly Trp Pro Thr Val
1 5 10 15
Arg Glu Arg Met Arg Arg Ala Glu Pro Ala Ala Asp Gly Val Gly Ala
20 25 30
Ala Ser Arg Asp Leu Glu Lys His Gly Ala Ile Thr Ser Ser Asn Thr
35 40 45
Ala Ala Thr Asn Ala Ala Cys Ala Trp Leu Glu Ala Gln Glu Glu Glu
50 55 60
Glu Val Gly Phe Pro Val Thr Pro Gln Val Pro Leu Arg Pro Met Thr
65 70 75 80
Tyr Lys Ala Ala Val Asp Leu Ser His Phe Leu Lys Glu Lys Gly Gly
85 90 95
Leu Glu Gly Leu Ile His Ser Gln Arg Arg Gln Asp Ile Leu Asp Leu
100 105 110
Trp Ile Tyr His Thr Gln Gly Tyr Phe Pro Asp Trp Gln Asn Tyr Thr
115 120 125
Pro Gly Pro Gly Val Arg Tyr Pro Leu Thr Phe Gly Trp Cys Tyr Lys
130 135 140
Leu Val Pro Val Glu Pro Asp Lys Val Glu Glu Ala Asn Lys Gly Glu
145 150 155 160
Asn Thr Ser Leu Leu His Pro Val Ser Leu His Gly Met Asp Asp Pro
165 170 175
Glu Arg Glu Val Leu Glu Trp Arg Phe Asp Ser Arg Leu Ala Phe His
180 185 190
His Val Ala Arg Glu Leu His Pro Glu Tyr Phe Lys Asn Cys Thr Ser
195 200 205
Glu Pro Val Asp Pro Arg Leu Glu Pro Trp Lys His Pro Gly Ser Gln
210 215 220
Pro Lys Thr Ala Cys Thr Asn Cys Tyr Cys Lys Lys Cys Cys Phe His
225 230 235 240
Cys Gln Val Cys Phe Ile Thr Ala Ala Leu Gly Ile Ser Tyr Gly Arg
245 250 255
Lys Lys Arg Arg Gln Arg Arg Arg Pro Pro Gln Gly Ser Gln Thr His
260 265 270
Gln Val Ser Leu Ser Lys Gln Pro Thr Ser Gln Ser Lys Gly Glu Pro
275 280 285
Thr Gly Pro Lys Glu Thr Ser Gly His His His His His His
290 295 300
<210>26
<211>57
<212>DNA
＜213〉people
<400>26
ttcgaaacca tggccgcgga ctagtggcca ccatcaccat caccattaac ggaattc 57
<210>27
<211>9
<212>PRT
＜213〉people
<400>27
Thr Ser Gly His His His His His His
1 5
<210>28
<211>58
<212>DNA
＜213〉people
<400>28
ttcgaaacca tggccgcgga ctagtggcca ccatcaccat caccattaac gcgaattc 58
<210>29
<211>9
<212>PRT
＜213〉people
<400>29
Thr Ser Gly His His His His His His
1 5
<210>30
<211>819
<212>DNA
＜213〉people
<400>30
atgggtggag ctatttccat gaggcggtcc aggccgtctg gagatctgcg acagagactc 60
ttgcgggcgc gtggggagac ttatgggaga ctcttaggag aggtggaaga tggatactcg 120
caatccccag gaggattaga caagggcttg agctcactct cttgtgaggg acagaaatac 180
aatcagggac agtatatgaa tactccatgg agaaacccag ctgaagagag agaaaaatta 240
gcatacagaa aacaaaatat ggatgatata gatgaggaag atgatgactt ggtaggggta 300
tcagtgaggc caaaagttcc cctaagaaca atgagttaca aattggcaat agacatgtct 360
cattttataa aagaaaaggg gggactggaa gggatttatt acagtgcaag aagacataga 420
atcttagaca tatacttaga aaaggaagaa ggcatcatac cagattggca ggattacacc 480
tcaggaccag gaattagata cccaaagaca tttggctggc tatggaaatt agtccctgta 540
aatgtatcag atgaggcaca ggaggatgag gagcattatt taatgcatcc agctcaaact 600
tcccagtggg atgacccttg gggagaggtt ctagcatgga agtttgatcc aactctggcc 660
tacacttatg aggcatatgt tagataccca gaagagtttg gaagcaagtc aggcctgtca 720
gaggaagagg ttagaagaag gctaaccgca agaggccttc ttaacatggc tgacaagaag 780
gaaactcgca ctagtggcca ccatcaccat caccattaa 819
<210>31
<211>272
<212>PRT
＜213〉people
<400>31
Met Gly Gly Ala Ile Ser Met Arg Arg Ser Arg Pro Ser Gly Asp Leu
1 5 10 15
Arg Gln Arg Leu Leu Arg Ala Arg Gly Glu Thr Tyr Gly Arg Leu Leu
20 25 30
Gly Glu Val Glu Asp Gly Tyr Ser Gln Ser Pro Gly Gly Leu Asp Lys
35 40 45
Gly Leu Ser Ser Leu Ser Cys Glu Gly Gln Lys Tyr Asn Gln Gly Gln
50 55 60
Tyr Met Asn Thr Pro Trp Arg Asn Pro Ala Glu Glu Arg Glu Lys Leu
65 70 75 80
Ala Tyr Arg Lys Gln Asn Met Asp Asp Ile Asp Glu Glu Asp Asp Asp
85 90 95
Leu Val Gly Val Ser Val Arg Pro Lys Val Pro Leu Arg Thr Met Ser
100 105 110
Tyr Lys Leu Ala Ile Asp Met Ser His Phe Ile Lys Glu Lys Gly Gly
115 120 125
Leu Glu Gly Ile Tyr Tyr Ser Ala Arg Arg His Arg Ile Leu Asp Ile
130 135 140
Tyr Leu Glu Lys Glu Glu Gly Ile Ile Pro Asp Trp Gln Asp Tyr Thr
145 150 155 160
Ser Gly Pro Gly Ile Arg Tyr Pro Lys Thr Phe Gly Trp Leu Trp Lys
165 170 175
Leu Val Pro Val Asn Val Ser Asp Glu Ala Gln Glu Asp Glu Glu His
180 185 190
Tyr Leu Met His Pro Ala Gln Thr Ser Gln Trp Asp Asp Pro Trp Gly
195 200 205
Glu Val Leu Ala Trp Lys Phe Asp Pro Thr Leu Ala Tyr Thr Tyr Glu
210 215 220
Ala Tyr Val Arg Tyr Pro Glu Glu Phe Gly Ser Lys Ser Gly Leu Ser
225 230 235 240
Glu Glu Glu Val Arg Arg Arg Leu Thr Ala Arg Gly Leu Leu Asn Met
245 250 255
Ala Asp Lys Lys Glu Thr Arg Thr Ser Gly His His His His His His
260 265 270
Claims (12)
1.a) HIV Tat polynucleotide; Perhaps
B) HIV Nef polynucleotide; Perhaps
C) the proteic HIV polynucleotide of Tat of encoding and being connected with HIV Nef albumen;
Be used for the purposes of the vaccine of human HIV prevention or therapeutic immunization with HIV gp120 polynucleotide in production, wherein said Tat, Nef or Nef-Tat and gp120 are in treatment or prevent synergism among the HIV.
2. the claimed purposes of claim 1, wherein said vaccine also comprises the antigen that is selected from gag, rev, vif, vpr, vpu.
3. the claimed purposes of claim 1, wherein said Tat albumen is suddenlyd change, and makes its bioinactivation.
4. the claimed purposes of claim 1, it also comprises adjuvant.
5. the claimed purposes of claim 4, wherein said adjuvant is a TH1 induction type adjuvant.
6. the claimed purposes of claim 4, wherein said adjuvant comprises monophosphoryl lipid A or 3-de-O-acidylate monophosphoryl lipid A.
7. the claimed purposes of claim 4, it also comprises saponin adjuvant.
8. the claimed purposes of claim 4, it also comprises oil in water emulsion.
9. the claimed purposes of claim 4, wherein said adjuvant comprises the oligonucleotide that contains the CpG primitive.
10. the claimed purposes of claim 9, it also comprises aluminum salt.
11.a) HIV Tat polynucleotide; Perhaps
B) HIV Nef polynucleotide; Perhaps
C) the proteic HIV polynucleotide of Tat of encoding and being connected with HIV Nef albumen;
With the purposes of HIV gp120 polynucleotide in producing the vaccine that is fit to human HIV prevention or therapeutic immunization, described vaccine is applicable to just exempts from-strengthens to transmit.
12. the compositions that comprises gp120 Nef, Tat and gp120 polynucleotide is used for the treatment of purposes in the medicine of HIV in preparation.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0002200.4 | 2000-01-31 | ||
| GB0002200A GB0002200D0 (en) | 2000-01-31 | 2000-01-31 | Novel use |
| GB0009336.9 | 2000-04-14 | ||
| GB0013806.5 | 2000-06-06 | ||
| EPPCT/EP00/05998 | 2000-06-28 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB018071562A Division CN1326873C (en) | 2000-01-31 | 2001-01-29 | Vaccine for the prophylactic or therapeutic immunization against HIV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101112616A true CN101112616A (en) | 2008-01-30 |
Family
ID=9884681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101092138A Pending CN101112616A (en) | 2000-01-31 | 2001-01-29 | Vaccine for the prophylactic or therapeutic immunization against HIV |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101112616A (en) |
| GB (1) | GB0002200D0 (en) |
| ZA (1) | ZA200205968B (en) |
-
2000
- 2000-01-31 GB GB0002200A patent/GB0002200D0/en not_active Ceased
-
2001
- 2001-01-29 CN CNA2007101092138A patent/CN101112616A/en active Pending
-
2002
- 2002-07-25 ZA ZA200205968A patent/ZA200205968B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA200205968B (en) | 2003-10-27 |
| GB0002200D0 (en) | 2000-03-22 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20080130 |