WO2001057089A1 - Antibody for detecting chlamydia pneumoniae - Google Patents
Antibody for detecting chlamydia pneumoniae Download PDFInfo
- Publication number
- WO2001057089A1 WO2001057089A1 PCT/JP2001/000625 JP0100625W WO0157089A1 WO 2001057089 A1 WO2001057089 A1 WO 2001057089A1 JP 0100625 W JP0100625 W JP 0100625W WO 0157089 A1 WO0157089 A1 WO 0157089A1
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- WIPO (PCT)
- Prior art keywords
- antibody
- protein
- microorganism
- ribosomal protein
- chlamydia pneumoniae
- Prior art date
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Classifications
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- C07K16/12—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria
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- G—PHYSICS
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
- G01N33/56911—Bacteria
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/12—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria
- C07K16/1203—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria
- C07K16/1217—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria from Neisseriaceae (F)
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/12—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria
- C07K16/1203—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria
- C07K16/1242—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria from Pasteurellaceae (F), e.g. Haemophilus influenza
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/12—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria
- C07K16/1203—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria
- C07K16/125—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria from Chlamydiales (O)
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/12—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria
- C07K16/1203—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria
- C07K16/1253—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-negative bacteria from Mycoplasmatales, e.g. Pleuropneumonia-like organisms [PPLO]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/12—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria
- C07K16/1267—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-positive bacteria
- C07K16/1275—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from bacteria from Gram-positive bacteria from Streptococcus (G)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
- G01N33/56911—Bacteria
- G01N33/56927—Chlamydia
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
- G01N33/56911—Bacteria
- G01N33/56933—Mycoplasma
Definitions
- the present invention provides an antibody useful for detecting organisms belonging to Chlamydia pneumoniae, which is a common microorganism causing pneumonia, a method for detecting the microorganism, a reagent kit for detecting the microorganism, and a method for detecting the microorganism.
- the present invention relates to a method for producing an antibody.
- the present invention is important medically, especially for the diagnosis of atypical pneumonia caused by Chlamydia pneumoniae.
- the present invention is useful for detecting a microorganism Chlamydia pneumoniae contained in a specimen, for example, a throat swab, a tissue sample, and a specimen collected from a body fluid.
- a specimen for example, a throat swab, a tissue sample, and a specimen collected from a body fluid.
- Diagnosis of microbial infection is usually confirmed by detecting the causative organism at the site of infection, or by detecting antibodies to the causative organism in serum or body fluids. In particular, this diagnosis is important in that the detection of the causative organism enables rapid treatment of the patient.
- infectious disease-causing bacteria are detected by separating and culturing the causative bacteria and then identifying them based on their physiological, biochemical or structural characteristics. (PCR) or specific nucleic acid hybridization to amplify and detect this by genetic diagnosis and immunological method to detect the causative organism using the specific reaction between the antibody and the antigen marker of the causative organism Classified by method.
- PCR PCR
- specific nucleic acid hybridization to amplify and detect this by genetic diagnosis and immunological method to detect the causative organism using the specific reaction between the antibody and the antigen marker of the causative organism Classified by method.
- Chlamydia pneumoniae is a common cause of pneumonia worldwide. A small, non-motile, gram-negative bacterium that selectively penetrates humans and causes disease. The animal that becomes the pathogen is unknown. The seroprevalence is 40-50% for adults in their 30s and 40s (Hyman, Roblin et al. 1995). This microorganism causes laryngitis, bronchitis and mild pneumonia.
- This fungus is a very small obligate parasite that grows in the host cell cytoplasm.
- the growth of Chlamydia pneumoniae in tissue culture is very slow (Godzik, O 'Brien et al. 1995) and it takes at least 3-5 days to identify bacteria in culture (Essig, Zucs et al. 1997). Therefore, the Gram stain method and the culture method cannot be applied as a diagnostic method for rapid detection as a pathogenic bacterium. Therefore, an immunological method using antibodies is often used as a rapid diagnostic method for chlamydia.
- the genus-specific antigen lipopolysaccharide (LPS)
- LPS lipopolysaccharide
- the present invention relates to a protein which is universally present in all microorganisms as a molecule having the same function, and which is useful as a protein antigen for obtaining an antibody. Normally, such molecules are only accompanied by small structural changes. Such large-scale structural changes to the same functional universal molecule can have serious adverse effects on the survival of an organism.
- the present inventors have found a protein in which the same function is preserved in all microorganisms as a useful antigen protein. Usually, it is expected that the structural change of such a protein is extremely small. Surprisingly, however, antibodies against the protein are specific to the species or genus of the microorganism, and antibodies against the protein have a variety that can be used to identify the species or genus of the microorganism. The target microorganism was found to be capable of detecting all its serotypes.
- Ribosomal Protein L7 / L12 protein which is a kind of ribosomal protein.
- Ribosomal Protein L7 / L12 protein is a protein with a molecular weight of about 13 kilodaltons and is known to exist as a ribosomal protein essential for protein synthesis.
- the entire amino acid sequence of Ribosomal Protein L7 / L12 protein has been analyzed for some microorganisms including Chlamydia pneumoniae.
- the present inventors have noticed that although this molecule is similar between microorganisms, some of the molecules have a structural portion unique to each microorganism, and have developed antibodies against the Ribosomal Protein L7 / L12 protein of Chlamydia pneumoniae. It has been found that the use of this method makes it possible to detect serotypes of various microorganisms and bacteria that are species-specific and all within the same strain.
- the present inventors have found that an antibody specific to the protein of Chlamydia pneumoniae can be obtained and that it is possible to specifically detect Chlamydia pneumoniae by using the antibody, and have completed the present invention.
- a monoclonal antibody specific to the Ribosomal Protein L7 / L12 protein of Chlamydia pneumoniae has been found and developed.
- This antibody is novel and differs from any conventionally known antibodies in that it has the property of specifically reacting with the protein.
- SEQ ID NOS: 1 and 2 are Ribosomal Protein L7 / L12 of Chlam dia tmeumoniae.
- the DNA sequence of the gene (NCBI database accession # NC # 000922) and the corresponding amino acid sequence (NCBI database accession # AE001593.1, NCBI database).
- the left and right ends of the amino acid sequence described in the sequence listing are the amino terminal (hereinafter referred to as “N-terminal”) and the terminal riboxyl group (hereinafter referred to as “C-terminal”), respectively. 'End and 3' end.
- the amino acid sequence of the cross match test is indicated by a single letter abbreviation for amino acids.
- the notation “+” in the cross match test indicates that different amino acids have similar properties, such as force and hydrophobicity, and the blank “” indicates that they are completely different amino acids including the properties.
- a series of molecular biology experiments of the genetic manipulation described in the present invention can be performed by a method described in an ordinary experimental manual. Examples of the above-mentioned ordinary experimental book include, for example, C: Molecular Cloning, A laboratory manual, Cold Spring Harber Laboratory Press, Sambrook, J. et al. (1989).
- microorganism means Chlamydia pneumoniae, and in particular, refers to a microorganism having pathogenicity in the respiratory tract and having a high diagnostic significance as a causative organism of Qli ⁇ ! Z ⁇ infection.
- an antibody that specifically reacts with a microorganism refers to an antibody that specifically reacts with a species or genus of a microorganism, but in a diagnosis of a microbial infectious disease, an antibody that specifically reacts with a species of a microorganism. Is particularly useful.
- an antibody refers to a polyclonal antibody or a monoclonal antibody, and can be prepared using the full-length Ribosomal Protein L7 / L12 protein or a partial peptide thereof.
- the length of the peptide for preparing the antibody is not particularly limited, but in the case of an antibody against the Ribosomal Protein L7 / L12 protein, it is sufficient that the length be characterized by this protein, preferably 5 amino acids or more, particularly preferably. May use a peptide of 8 amino acids or more.
- This peptide or full-length protein can be used as is, or after cross-linking with a carrier protein such as KLH (keyhole-limpet hemocyanin) or BSA (bovine serum albumin), and then inoculated into an animal with an adjuvant if necessary, and the serum can be collected.
- a carrier protein such as KLH (keyhole-limpet hemocyanin) or BSA (bovine serum albumin)
- An antiserum containing an antibody (polyclonal antibody) that recognizes Ribosomal Protein L7 / L12 protein can be obtained.
- antibodies can be purified from antisera and used.
- the animals to be inoculated are sheep, magpies, goats, magpies, mice, rats, and the like. Particularly, for the production of polyclonal antibodies, sheep, magpies and the like are preferable.
- a monoclonal antibody can be obtained by a known method for producing hybridoma cells. In this case, a mouse is preferable.
- the fusion protein is obtained by purifying the fusion protein with the full-length amino acid sequence of the protein or 5 or more residues, desirably 8 or more residues, and daltathione S-transferase (GST) or the like.
- GST daltathione S-transferase
- Antibodies can be obtained by the following method or other similar methods, but are not limited to these methods.
- peptide fragments are synthesized in regions of other microorganisms with little similarity to the amino acid sequence of the protein, and used as immunogens.
- the desired antibody can be obtained by preparing a polyclonal antibody or a monoclonal antibody.
- the full-length of the gene can be obtained by using a conventional gene manipulation technique such as gene amplification by PCR using the DNA sequence at both ends of the known gene as a probe and hybridization using a homologous partial sequence as a ⁇ ⁇ ⁇ ⁇ -type probe. You can get an array.
- a conventional gene manipulation technique such as gene amplification by PCR using the DNA sequence at both ends of the known gene as a probe and hybridization using a homologous partial sequence as a ⁇ ⁇ ⁇ ⁇ -type probe. You can get an array.
- a fusion gene with another protein gene is constructed, and the corresponding fusion gene is inserted into a host by a known gene transfer method using E. coli or the like as a host, and expressed in a large amount, and then an antibody against the protein used as the fusion protein is obtained.
- the target protein antigen can be obtained by purifying the expressed protein by an affinity column method or the like. In this case, since the full-length protein of Ribosomal Protein L7 / L12 serves as an antigen, obtaining an antibody against an amino acid portion conserved between microorganisms does not meet the purpose of the present invention.
- a hybridoma that produces a monoclonal antibody is obtained by a known method, and a clone that produces an antibody that reacts only with the relevant microorganism is selected.
- the desired antibody can be obtained.
- the amino acid sequence of Ribosomal Protein L7 / L12 protein is 50-60% homologous depending on the bacterial species. Based on the sequence of the homologous portion, the protein gene can be easily obtained by using a conventional gene manipulation technique such as gene amplification of a specific sequence portion by PCR or a hybridization method using the homologous portion sequence as a type I probe. be able to.
- a fusion gene with another protein gene is constructed, and the relevant fusion gene is inserted into a host by a known gene transfer technique using E. coli or the like as a host, expressed in a large amount, and then an antibody against the protein used as the fusion protein.
- the target protein antigen can be obtained by purifying the expressed protein by an affinity column method or the like. In this case, since the full-length protein of Ribosomal Protein L7 / U2 serves as an antigen, obtaining an antibody against an amino acid portion conserved between microorganisms does not meet the purpose of the present invention.
- the amino acid sequence of the Ribosomal Protein L7 / L12 protein corresponds to the consensus sequence conserved between microorganisms.
- a synthetic peptide of 5 to 30 amino acids is prepared, and a polyclonal antibody or a monoclonal antibody is prepared for the peptide sequence by a known method.
- highly purified Ribosomal Protein L7 / L12 protein can be obtained.
- the protein is purified by known methods such as ion-exchange chromatography, hydrophobic chromatography, gel filtration, and the like.
- the purified protein can be obtained by identifying the eluted fraction of the L7 / L12 protein.
- the antibodies of the present invention specific to various microorganisms obtained by the above methods a), b) and c) can be obtained by various immunological methods utilizing various diagnostic reagents and kits specific to microorganisms. Can be used for analytical methods.
- this antibody can be obtained by a known measurement method such as agglutination reaction in which the antibody is adsorbed on polystyrene latex particles, an ELISA method known in a microtiter plate, an existing immunochromatography method, an existing immunochromatography method, a colored particle or chromogenic ability.
- Microbial diagnostic methods using antibodies include agglutination reactions in which the antibodies are adsorbed onto polystyrene latex particles, ELISA, which is a well-known technique performed in a microtiter plate, the existing Immunoku Mato method, colored particles, and chromogenic ability.
- an antibody reaction is carried out on an optical thin film formed of silicon, silicon nitride, and the like described in Japanese Patent Application Laid-Open No. Hei 7-509565 as a particularly useful microbial diagnostic method using an antibody.
- methods for extracting intracellular marker antigens from microorganisms required for the detection method include a treatment method using an extraction reagent using various surfactants such as TritonX-100, Tween-20, and an appropriate protease.
- surfactants such as TritonX-100, Tween-20, and an appropriate protease.
- Known cell structure crushing methods such as enzyme treatment using the above enzymes and crushing of microbial cells by physical methods, are used. It is desirable to set the optimal extraction conditions with the reagent for each microorganism by combining surfactants and the like.
- the reagent kit for detecting a microorganism using an antibody in the present invention corresponds to a reagent kit for detection using the detection method.
- the amino acid sequence and the DNA sequence of the Ribosomal Protein L7 / L12 protein of Chlamydia pneumoniae are shown in SEQ ID NOs: 1 and 2 in the Sequence Listing. Therefore, in the case of this microorganism, it is possible to compare the amino acid sequence of the Ribosoraal Protein L7 / L12 protein with the homologous protein of a similar microorganism described in the sequence listing as “cross-match”. Synthesizing a peptide having a segment with low homology and producing a polyclonal or monoclonal antibody against the peptide makes it possible to omit the selection of those having specificity for microorganisms.
- PCR primers were prepared based on the N-terminal and C-terminal sequences from the DNA sequence of the Ribosomal Protein L7 / L12 protein of the microorganism. Using the homology of these PCR primers, a DNA fragment can be amplified by PCR using genomic DNA, extracted, and a fragment of the Chlamydia pneu iae Ribosomal Protein L7 / L12 gene can be obtained by a conventional method. it can. The full length of the Ribosomal Protein L7 / L12 gene of Chlamydia pne niae can be determined by analyzing the DNA sequence information of these fragments.
- the obtained Ribosomal Protein L7 / L12 gene of Chlamydia pneumoniae constitutes a fusion protein gene with, for example, GST etc., constructs an expression vector using an appropriate expression plasmid, and then transforms E. coli or the like to transform the protein. It can be expressed in large quantities.
- the transformed Escherichia coli is cultured in an appropriate amount, and the cell lysate is purified by an affinity column using GST to obtain a Chlamydia Epeumoniae Ribosomal Protein L7 / L12 protein and a GST fusion protein.
- This protein as it is, or after cutting the GST portion, is used to establish a root-numbered hybridoma clone by a known method as an antigen protein, and the Chlamydia pne-excited niae cells are in a cell lysate or Chlamydia pneumoniae It is also possible to obtain the desired specific monoclonal antibody by selecting an antibody that shows a specific reaction to the Protein L7 / L12 protein.
- Antibodies prepared according to the present invention can be obtained by a known measurement method such as an agglutination reaction in which the antibody is adsorbed on polystyrene latex particles, a known technique performed in a microtiter plate, an ELISA method, an existing immunochromatography method, and coloring.
- the present invention can be used for all known immunoassay techniques such as Sandwich tissue using particles or particles having a coloring ability, or magnetic particles coated with a capture antibody together with the antibody labeled with an enzyme or a fluorescent substance.
- the antibody prepared according to the present invention can function as a so-called capture antibody that captures the antigen protein in a solid phase or a liquid phase in all immunoassay techniques, and at the same time, an enzyme such as peroxidase-specific phosphatase.
- an enzyme such as peroxidase-specific phosphatase.
- Chlamydia pneumoniae (ATCC VR-1310, purchased and purchased from ATCC) was cultured on a monolayer of HL cells.
- the detailed culturing method of Chlamydia pneumoniae followed the description of Kuo et al. (Cles and Stamm 1990; Kuo and Grayston 1990; Yoshizawa, Dairiki et al. 1992).
- C0 were cultured microorganisms for 5 days under the conditions of 37t, 5% C0 2 at 2 incubator base over the data.
- Infected cells were collected by centrifugation, and suspended in TE buffer (manufactured by Wako Pure Chemical Industries) to a final concentration of about 5 ⁇ 10 7 cells / ml.
- This solution was centrifuged with a microcentrifuge at 12, OOOrpnu. For 5 minutes at 4 and the aqueous fraction was transferred to a new microcentrifuge tube. A 0.6-fold amount of isoprono was added thereto, and the tube was shaken well to form a DNA precipitate. The white DNA precipitate was picked up with a glass rod and transferred to another microfuge tube containing 1 ml of 70% ethanol (cooled to -20). Thereafter, the tube was centrifuged at 10,000 rpm for 5 minutes, and the supernatant was gently removed. One ml of 70% ethanol was added and the mixture was centrifuged for another 5 minutes.
- This mixture was subjected to 5 cycles of 1 minute at 95, 2 minutes at 50, and 3 minutes at 72 using the TaKaRa PCR Thermal Cycler 480, and then 95 minutes of Cl, 2 minutes at 60, and 72 ⁇ 3 minutes for 25 minutes.
- electrophoresis was carried out in a 1.5% agarose gel, stained with ethidium Mabuchi Mide (manufactured by Nippon Gene Co., Ltd.), and observed under ultraviolet light. After digestion with the restriction enzymes BamHI and Xhol, electrophoresis was performed in a 1.5% agarose gel and stained with ethidium amide. This band was purified with SuprecOl (Takara Shuzo Co., Ltd.) and is a common vector.
- This vector can function as an expression vector for a target molecule capable of expressing a fusion protein with a GST protein by incorporating a target gene fragment into an appropriate restriction enzyme site.
- vector PGEX-6P-1 and the above DNA were mixed at a molar ratio of 1: 3, and the DNA was incorporated into the vector using T4 DNA ligase (Invitrogen).
- Vector PGEX-6P-1 containing DNA was introduced into Escherichia coli one-shot competent cells by a genetic method, and then transferred to a semi-solid culture plate containing 50; ug / ml ampicillin (Sigma). is there LB L-broth agar (Takara Shuzo) was inoculated. Plates were incubated at 37 for 12 hours, and grown colonies were randomly selected and inoculated into L-broth cultures containing the same concentration of ampicillin.
- the nucleotide sequence of the inserted DNA fragment was determined using a fluorescent sequencer manufactured by Applied Biosystems. .
- Preparation of the sequence sample was performed using PRISM, Ready Reaction Dye Terminator Cycle Sequencing Kit (Applied Biosystemsi ⁇ 3 ⁇ 4).
- a reaction solution of .9.51, a 0.81 pmol / l T7 promoter-primer (Gibco BRL) in 4.01, and a 0.16 ⁇ g // z 1 template DNA in 6.5 / 1; was added to a 0.5 ml microtube and mixed.
- 25 cycles of PCR amplification were performed.
- one cycle consists of a treatment at 96 ° C for 30 seconds, a treatment at 55 "C for 15 seconds, and a treatment at 60 ° C for 4 minutes.
- Escherichia coli containing the expression vector was cultured in LB medium at 37 ml for 50 days.
- 500ml 2 Double concentration YT medium was heated at 37 for 1 hour.
- 1 ml of the cultured E. coli solution was placed in 500 ml of the above-mentioned medium.
- 550 / l of 100 mM isopropyl; 3-D (-)-thiogalactobyranoside (IPTG) was introduced, and the cells were cultured for 4 hours.
- the product was collected, transferred to a 250 ml centrifuge tube, and centrifuged at 7000 rpni for 10 minutes.
- the supernatant was discarded, and the cells were dissolved in 25 ml of 50 mM Tris buffer, pH 7.4, and 25 ml of Lysis buffer containing 25% sucrose. An additional 10% NP-40 1.25 mL 1M MgCl 2 125 ⁇ l was added and transferred to a plastic tube. Ultrasonic treatment was performed 5 times for 1 minute under ice cooling. Thereafter, the mixture was centrifuged at 12, OOO rpm for 15 minutes, and the supernatant was recovered.
- the supernatant was adsorbed onto a glutathione agarose column conditioned with PBS. Then, 20 m Tris buffer pH7. 4, 4. The column was washed two base head volume fraction with a washing solution containing 2raM MgCl 2, lmM Jichiosurei Torr (DTT). Elution was performed in 50 mM Tris buffer pH 9.6 containing 5 mM daltathione. The protein content of the eluted fraction was determined by the pigment binding method (Bradford method; BioKad Co.), and the main fraction was obtained.
- the purity of the obtained purified GST fusion Ribosomal Protein L7 / L12 protein was confirmed by electrophoresis to be about 75%, and sufficient purity as an immunogen could be secured.
- mice 100 ⁇ g of GST fusion Ribosomal Protein L7 / L12 protein antigen of Chlamydia pne intestinal niae was dissolved in 200 ⁇ l of PBS, and then Freund's complete adjuvant was added at 200 / zl and mixed. After emulsification, 200 ⁇ l was injected intraperitoneally. The same emulsion antigen was injected intraperitoneally at 2, 4 and 6 weeks later. Two-fold concentrations of the emulsified antigen were injected intraperitoneally after 10 and 14 weeks. The spleen was removed 3 weeks after the end of the immunization at the end;
- myeloma cells were placed in a glass tube and mixed well with 10 8 spleen cells of the mouse aseptically removed, centrifuged at 1500 rpm for 5 minutes, the supernatant was discarded, and the cells were mixed well.
- the myeloma cells used for cell fusion were cultured in RPMI1640 medium containing 10% fetal bovine serum using an NS-1 cell line, and 0.1 ⁇ m of azaguanine, 0.5 ⁇ m from 2 weeks before cell fusion.
- RPMI1640 medium containing g / ml MC-210 and 10% fetal bovine serum
- the cells were further cultured for 1 week in RPMI1640 medium containing 10% fetal bovine serum.
- 50 ml of RPMI 1640 culture maintained at 37 ° C was added to the mixed cell sample, and centrifuged at 1,500 rpni. After removing the supernatant, 1 ml of 50% polyethylene glycol maintained at 37X: was added and stirred for 1 minute. 10 ml of RPMI 1640 culture maintained at 37 ⁇ was added, and the mixture was vigorously stirred by aspirating and discharging with a sterilized pipette for about 5 minutes.
- 1% bovine serum albumin solution (in PBS) 200Z1 was added, and reacted at room temperature for 1 hour for blocking. After removing the supernatant, the product was washed with a washing solution (0.02% Tween 20, PBS). To this, 100 ml of a culture solution of the fused cells was added, and reacted at room temperature for 2 hours. The supernatant was removed, and the precipitate was washed with a washing solution. Next, a goat anti-mouse IgG antibody solution ( ⁇ ) labeled with peroxidase at a concentration of 50 ng / ml was added and reacted at room temperature for 1 hour.
- a washing solution 0.02% Tween 20, PBS
- the cells in the positive well were collected and cultured in a HAT medium in a 24-well plastic plate.
- the antibody activity in the culture supernatant was similarly assayed by the aforementioned ELISA method, and cells positive for reaction with the Ribosomal Protein L7 / L12 'protein were collected. Repeat the same dilution assay and cloning procedure. Again, a total of 5 clones of hybridoma CPRB-1 to 5 were obtained.
- Monoclonal antibodies were produced and recovered using the positive hybridoma cells obtained as described above according to a standard method.
- the obtained solution containing the antibody was absorbed into a Protein A column (5 ml, manufactured by Pharmacia), and washed with 3 volumes of PBS. Then eluted with Kuen acid gentle species i solution P H3. The antibody fraction was collected to obtain a monoclonal antibody produced by each hybridoma. Evaluation was performed by ELISA using the monoclonal antibodies derived from the five hybridoma strains.
- a sandwich assay was used for evaluation of the monoclonal antibody.
- the prepared monoclonal antibody was bound to peroxidase and used as an antibody for detection.
- Enzyme labeling is performed using horseradish peroxidase (Sig swelling grade VI) and binding is performed using the reagent S-acetylthioacetic acid N-hydroxysuccinimide.
- Ribosomal Protein of Chlamydia pneumoniae obtained by the method described in Example 1
- Supernatants of cells treated with L7 / L12 protein or Triton X-100 were used as antigens.
- About 1.2 ml of physiological saline containing 100 g of the antigen was emulsified with 1.5 ml of Freund's adjuvant.
- the emulsion was subcutaneously injected into SPF Japanese White Egret to immunize Egret. Immunization was performed 5 to 6 times every two weeks, and the antibody titer was confirmed.
- An affinity column was prepared by immobilizing the Ribosomal Protein L7 / L12 protein of Chlamydia pneumoniae.
- a HiTrap NHS activation column (1 ml, manufactured by Pharmacia) was used.
- a PBS solution (lrag / ml) of Ribosomal Protein L7 / L12 protein was added.
- the blocking reagent was added and equilibrated with PBS.
- Chlamydia pneumoniae Ribosomal Protein L7 / L12 protein-immobilized affinity column the supernatant of Chlamydia pneumoniae-treated Triton X-100 treated cells was used as an antigen to obtain anti-polysaccharide in antiserum.
- the antibody was purified. This antiserum was diluted 5-fold with PBS, passed through a 0.45 ⁇ finoletor, and adsorbed onto a Chlamydia pneumoniae Ribosomal Protein L7 / L12 protein immobilized column at a flow rate of 0.5 ml / min.
- the purified antibody was used as a capture antibody in the 0IA method.
- the detection antibody used was the ACP-1 monoclonal antibody described in Example 4 which was enzymatically labeled with oxidase. Enzyme labeling was performed using horseradish peroxidase (Sigma Dale VI) and binding was performed using reagent N-hydroxysuccinimide S-acetylthioacetate.Analytical Bio-chemistry 132 (1983), 68-73 Performed according to the method described.
- purified polyclonal antibody in PBS containing 0.05% sodium azide was diluted to a concentration of 10 ⁇ g / ml with 0.1 M HEPES buffer solution PH 8.0. It was added onto the wafer and allowed to react at room temperature for 30 minutes, washed with distilled water, coated with a coating solution containing saccharose and alkali-treated casein, and used.
- An antigen solution l5 jL1 obtained by adding Triton X-100 in a concentration of 0.5% to the culture solution of each microorganism obtained by the above operation and extracting at room temperature for 5 minutes is added to the silicon wafer.
- the reaction was performed at room temperature for 10 minutes.
- 15 ⁇ l of 20 ⁇ g / ml peroxidase-labeled monoclonal antibody was added, and reacted for 10 minutes.
- ⁇ solution manufactured by KPL
- was added in 15 ⁇ l portions was added in 15 ⁇ l portions, and the mixture was reacted at room temperature for 5 minutes.
- the product was washed with distilled water, and the blue color generated by the enzymatic reaction was visually observed.
- the present invention it is not only possible to specifically detect a microorganism of a specific species by using an antibody against an intracellular molecule that is functionally retained during the evolution of the microorganism, but also to accurately measure microorganisms of all serotypes within the same species. It can be detected well.
- an antibody against a ribosomal protein of a microorganism or Ribosomal Protein L7 / L12 protein can be used to accurately detect Chlamydia pneumoniae.
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001230531A AU2001230531A1 (en) | 2000-01-31 | 2001-01-31 | Antibody for detecting chlamydia pneumoniae |
CA2398467A CA2398467C (en) | 2000-01-31 | 2001-01-31 | Antibody for detecting chlamydia pneumoniae |
JP2001557920A JP5331284B2 (ja) | 2000-01-31 | 2001-01-31 | クラミジア・ニューモニア検出用抗体 |
US10/386,050 US20040014943A1 (en) | 1998-07-31 | 2003-03-12 | Antibodies for detecting microorganisms |
US12/424,370 US20090269789A1 (en) | 1998-07-31 | 2009-04-15 | Antibodies for detecting microorganisms |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2000062684 | 2000-01-31 | ||
JP2000-62684 | 2000-01-31 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2001/000626 Continuation-In-Part WO2001057199A1 (fr) | 1998-07-31 | 2001-01-31 | Anticorps servant a detecter le mycoplasma pneumoniae |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP1999/004122 Continuation-In-Part WO2000006603A1 (fr) | 1998-07-31 | 1999-07-30 | Anticorps pour la detection de micro-organismes |
US74491001A Continuation-In-Part | 1998-07-31 | 2001-05-17 | |
US10/386,050 Continuation-In-Part US20040014943A1 (en) | 1998-07-31 | 2003-03-12 | Antibodies for detecting microorganisms |
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WO2001057089A1 true WO2001057089A1 (en) | 2001-08-09 |
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PCT/JP2001/000625 WO2001057089A1 (en) | 1998-07-31 | 2001-01-31 | Antibody for detecting chlamydia pneumoniae |
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JP (2) | JP5331284B2 (ja) |
KR (1) | KR100734994B1 (ja) |
CN (2) | CN1406248A (ja) |
AU (1) | AU2001230531A1 (ja) |
CA (1) | CA2398467C (ja) |
WO (1) | WO2001057089A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004201605A (ja) * | 2002-12-26 | 2004-07-22 | Asahi Kasei Corp | レジオネラ属菌リボソームl7/l12タンパク質をコードするdna |
JP2017207333A (ja) * | 2016-05-17 | 2017-11-24 | 旭化成株式会社 | 細菌を検出する方法及びキット |
JP2017207332A (ja) * | 2016-05-17 | 2017-11-24 | 旭化成株式会社 | クラミジア・ニューモニエを検出する方法及びキット |
WO2022210594A1 (ja) | 2021-03-29 | 2022-10-06 | 旭化成株式会社 | 淋菌検出キット及び淋菌検出方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1977234B1 (en) * | 2006-01-13 | 2015-11-04 | Indiana University Research & Technology Corporation | Type V collagen for use in a method of treatment of idiopathic pulmonary fibrosis |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07509565A (ja) * | 1992-07-31 | 1995-10-19 | サーモ バイオスター インコーポレイテッド | 光干渉による分析対象の検出装置およびその方法 |
JPH099974A (ja) * | 1994-09-20 | 1997-01-14 | Hitachi Chem Co Ltd | クラミジア・ニューモニエの抗原ポリペプチド、それをコードするdna、そのdnaを含む組換えベクター、その組換えベクターを含む形質転換体、及び抗クラミジア・ニューモニエ抗体の製造方法 |
WO1999027105A2 (en) * | 1997-11-21 | 1999-06-03 | Genset | Chlamydia pneumoniae genomic sequence and polypeptides, fragments thereof and uses thereof, in particular for the diagnosis, prevention and treatment of infection |
WO2000006603A1 (fr) * | 1998-07-31 | 2000-02-10 | Asahi Kasei Kogyo Kabushiki Kaisha | Anticorps pour la detection de micro-organismes |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100274321B1 (ko) * | 1990-09-11 | 2000-12-15 | 스미드 이. 그레이엄 | 데르마토파고이디즈(집 먼지 진드기)의 알레르기 항원의 클로닝 및 서열결정 |
WO1996007910A1 (fr) * | 1994-09-02 | 1996-03-14 | Meiji Milk Products Company Limited | Substance pour le diagnostic de l'infection par le chlamydia |
JPH0931097A (ja) * | 1995-07-24 | 1997-02-04 | Yuka Medeiasu:Kk | クラミジア・トラコマティス抗体の測定法 |
-
2001
- 2001-01-31 AU AU2001230531A patent/AU2001230531A1/en not_active Abandoned
- 2001-01-31 CA CA2398467A patent/CA2398467C/en not_active Expired - Lifetime
- 2001-01-31 KR KR1020027009786A patent/KR100734994B1/ko active IP Right Grant
- 2001-01-31 CN CN01805727A patent/CN1406248A/zh active Pending
- 2001-01-31 JP JP2001557920A patent/JP5331284B2/ja not_active Expired - Lifetime
- 2001-01-31 WO PCT/JP2001/000625 patent/WO2001057089A1/ja active Application Filing
- 2001-01-31 CN CNA2006101540835A patent/CN1962694A/zh active Pending
-
2011
- 2011-09-08 JP JP2011196225A patent/JP2012017334A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07509565A (ja) * | 1992-07-31 | 1995-10-19 | サーモ バイオスター インコーポレイテッド | 光干渉による分析対象の検出装置およびその方法 |
JPH099974A (ja) * | 1994-09-20 | 1997-01-14 | Hitachi Chem Co Ltd | クラミジア・ニューモニエの抗原ポリペプチド、それをコードするdna、そのdnaを含む組換えベクター、その組換えベクターを含む形質転換体、及び抗クラミジア・ニューモニエ抗体の製造方法 |
WO1999027105A2 (en) * | 1997-11-21 | 1999-06-03 | Genset | Chlamydia pneumoniae genomic sequence and polypeptides, fragments thereof and uses thereof, in particular for the diagnosis, prevention and treatment of infection |
WO2000006603A1 (fr) * | 1998-07-31 | 2000-02-10 | Asahi Kasei Kogyo Kabushiki Kaisha | Anticorps pour la detection de micro-organismes |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004201605A (ja) * | 2002-12-26 | 2004-07-22 | Asahi Kasei Corp | レジオネラ属菌リボソームl7/l12タンパク質をコードするdna |
JP2017207333A (ja) * | 2016-05-17 | 2017-11-24 | 旭化成株式会社 | 細菌を検出する方法及びキット |
JP2017207332A (ja) * | 2016-05-17 | 2017-11-24 | 旭化成株式会社 | クラミジア・ニューモニエを検出する方法及びキット |
WO2022210594A1 (ja) | 2021-03-29 | 2022-10-06 | 旭化成株式会社 | 淋菌検出キット及び淋菌検出方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1962694A (zh) | 2007-05-16 |
KR100734994B1 (ko) | 2007-07-04 |
CA2398467C (en) | 2010-06-29 |
CA2398467A1 (en) | 2001-08-09 |
AU2001230531A1 (en) | 2001-08-14 |
JP5331284B2 (ja) | 2013-10-30 |
JP2012017334A (ja) | 2012-01-26 |
CN1406248A (zh) | 2003-03-26 |
KR20020073191A (ko) | 2002-09-19 |
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