WO1998006266A1 - Materiaux antiviraux - Google Patents
Materiaux antiviraux Download PDFInfo
- Publication number
- WO1998006266A1 WO1998006266A1 PCT/JP1997/002501 JP9702501W WO9806266A1 WO 1998006266 A1 WO1998006266 A1 WO 1998006266A1 JP 9702501 W JP9702501 W JP 9702501W WO 9806266 A1 WO9806266 A1 WO 9806266A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- virus
- antiviral
- polymer chain
- hiv
- fine particles
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
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- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/168—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from plants
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- A—HUMAN NECESSITIES
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- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/20—Fabaceae or Leguminosae [Pea or Legume family], e.g. pea, lentil, soybean, clover, acacia, honey locust, derris or millettia
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- A—HUMAN NECESSITIES
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/56—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/56—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
- A61K47/58—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. poly[meth]acrylate, polyacrylamide, polystyrene, polyvinylpyrrolidone, polyvinylalcohol or polystyrene sulfonic acid resin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/18—Antivirals for RNA viruses for HIV
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/902—Specified use of nanostructure
- Y10S977/904—Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
- Y10S977/906—Drug delivery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/902—Specified use of nanostructure
- Y10S977/904—Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
- Y10S977/915—Therapeutic or pharmaceutical composition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/902—Specified use of nanostructure
- Y10S977/904—Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
- Y10S977/92—Detection of biochemical
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/963—Miscellaneous
Definitions
- the present invention relates to a material that exhibits antiviral activity by capturing or inactivating a virus.
- viruses Various diseases caused by viruses have become a major social problem in recent years. For example, it is known that diseases such as AIDS, hepatitis B, hepatitis C, and adult T-cell leukemia are caused by HIV, HBV, HCV, and HTLV-I, respectively.
- diseases such as AIDS, hepatitis B, hepatitis C, and adult T-cell leukemia are caused by HIV, HBV, HCV, and HTLV-I, respectively.
- Ebola and Marbag's disease caused by the Philo virus and renal symptomatic hemorrhagic fever caused by the Hanyu virus has also been a great surprise to humans.
- Non-heating methods include:
- Capture viruses in water with cross-linked insolubilized polyvinyl pyridinium beads A method of capturing (Japanese Patent Publication No. 624-141641) is known. -However, the method of (1) above is not suitable for the safety of drugs used for virus inactivation, separation of used drug debris from the liquid to be treated, or denaturation of useful proteins in the liquid to be treated. There is a problem in point.
- a virus inactivation method using a drug a method of inactivating with a surfactant, an aldehyde, or -propiolactone has been reported. However, it is known that the virus inactivation method using these drugs denatures protein components or loses biological activity.
- the method using the polypyrrolidinium structure of (3) above can capture and remove viruses from water with little protein, etc., but it can be used for plasma and cell cultures containing high concentrations of proteins and lipids. As a result, virus cannot be removed effectively as a result of the predominance of non-specific adsorption of protein components and lipids.
- an object of the present invention is to provide an antiviral material which has solved the above-mentioned problems.
- antiviral agents that are applied to mucosal tissues in advance to suppress virus penetration, and virus killers that safely and easily remove or inactivate viruses present in solution or air. It is to provide agents and the like. Disclosure of the invention
- the present inventors have conducted various studies to find an anti-virus material that has solved the above-mentioned problems.
- a mannose-binding lectin is combined with a hydrophobic substrate via a hydrophilic polymer chain, a material that has excellent shape stability and strength and that effectively exhibits the antiviral activity of the lectin Have been obtained, and the present invention has been completed. That is, the present invention provides an antiviral material characterized in that it is bound to a substrate composed of a mannose-binding lectin or a hydrophobic polymer chain via a hydrophilic polymer chain.
- the antiviral material of the present invention is characterized in that a hydrophilic polymer chain to which a mannose-binding lectin is bound is bonded to a substrate composed of a hydrophobic polymer chain, and a preferred form of the antiviral material. Examples include a fine particle shape.
- Lectin is a collective term for sugar-binding proteins. By binding to sugar chains of glycoconjugates of cell membranes, lectins can express activities such as cell aggregation, mitogenesis, function activation, function suppression, and cell damage. Are known.
- the mannose-linked lectin used in the present invention is not particularly limited as long as it is a lectin that recognizes a mannosyl residue in a polysaccharide or a complex carbohydrate.
- Lectins that recognize sugar-mannosyl residues such as Conaval ia ensiformis (Connano, 'Lin A; ConA), Lens cul inaris (LCA), Bowringia midbraedi i (BMA) Dol i chos lablab ( DLA) ⁇ Galan thus ni va lis (GNA) Gerard i asavag l ia (GSL) Machaerium biovulat (yang), Machaeriumu lunatus (MLA) Narci ssus pseudonarci ssus (NPA) Epi pact is heleborine (EHA) .Listera ovata (LOA) ).
- the mannose-binding lectin is designed to exert its function by acting on the high mannose region of the membrane glycoprotein on the surface of the virus.
- Different types of lectins and viruses have different levels of antiviral activity, It is desirable to set the material according to the purpose and application.
- the structure of the entire substrate to which the mannose-binding lectin of the present invention is bound is preferably such that a hydrophilic polymer chain and a hydrophobic polymer chain are formed as a block or a graft copolymer, It is preferable that the polymer chains exist as graft chains of the hydrophobic polymer chains.
- the strength and dimensional stability in water are improved, and the antiviral material has excellent performance and operability.
- a hydrophilic polymer chain as a graft chain, it covers the surface layer of the substrate consisting of the hydrophobic polymer chain, and suppresses nonspecific adsorption of proteins and the like due to hydrophobic interaction in an aqueous solvent.
- the selective adsorption of lectin is likely to be exhibited, and an environment is provided.
- the base material is in the form of fine particles, the hydrophilic polymer chains present on the surface enable uniform dispersion in an aqueous solvent.
- the structure of the hydrophobic polymer chain used in the present invention is not particularly limited.
- the strength and dimensional stability of the material in water will deteriorate, and it will be difficult to increase the amount of lectin to be retained by reducing the particle size and increasing the surface area of the fine particles. It is preferably composed of less than 10% of a water-insoluble polymer.
- hydrophobic polymer chain selected from acrylates / methacrylates, polymers and copolymers of styrene and its derivatives, polyolefins, polysulfones, polyamides, polyesters, polyurethanes, polyimides, etc.
- these copolymers may be used.
- the structure of the hydrophilic polymer chain used in the present invention is not particularly limited.However, if the water absorption is less than 2%, nonspecific adsorption due to hydrophobic interaction and aggregation between fine particles are likely to occur. Preferred is a polymer having a repeating structure dissolved in the polymer or having an absorptance of 2% or more and formed from monomers.
- acrylamide and its derivatives monomers having a carboxyl group in the molecule such as acrylic acid and methacrylic acid, and vinyl styrene sulfate Monomers having a sulfuric acid group in the molecule, such as lensulfonic acid; monomers having an amine in the molecule, such as vinylamine diarylamine; N-vinylacetamide N-butylalkylamides; vinylpyrrolid Constituents include don, vinylpyrrolidinone, vinyl ethers, hydrophilic monomers having amino acids and sugars in their molecules, aziridine compounds, monomers having phospholipids in their molecules, acrylates and methacrylates, etc. Polymers and copolymers corresponding to hydrophilic polymers can be used. Further, even a polyether compound, a polysaccharide, a polyamide, a polyester, a polyurethane, or the like may have a water absorption of 2% or more.
- Preferred hydrophilic polymer chains are those that suppress non-specific adsorption of proteins, and include water-soluble polymer chains such as acrylamide and its derivatives, and N-vinylacetamides.
- Polymers having strong basic ion exchange groups such as quaternary ammonium salts--hydrophobic polymers such as polypropylene and polyethylene are preferred because they increase nonspecific protein adsorption and reduce the antiviral effect of lectins. Absent.
- a method of binding a mannose-binding lectin to a hydrophilic polymer first, as a covalent bonding method, a cyanogen bromide activation method via an imidocarbonate derivative, a carpoimide reagent, Condensation reagent method using Woodward reagent, diazo method via diazonium compound, acid azide derivative method, acetyl halide derivative method, triazinyl derivative method, halogenated methyl acrylate (acrylic) acid derivative method, glutaraldehyde It is possible to use a multifunctional crosslinking agent such as an epoxy compound at both ends, or to use a crosslinking method.
- the lectin may have a functional group such as a carboxyl group, an amino group, a hydroxyl group, an imidabul group, or a phenol group, and various diabnium salts reacting with these functional groups.
- Functional groups such as amides, acid azides, isocyanates, alkyl halides, epoxies, and aldehydes into hydrophilic polymer chains, and react with lectins under appropriate conditions using crosslinkers and condensing agents. You can respond.
- Methods for introducing a functional group into the hydrophilic polymer chain include a method of copolymerizing a monomer having the functional group, a method of converting from a monomer having another functional group, and the like.
- an ion-exchange group ⁇ lectin binding site is introduced into a hydrophilic polymer chain, and immobilized non-covalently using electrostatic interaction or specific affinity (affinity 1). It is also possible to use a method for converting the data.
- the antiviral material of the present invention is preferably in the form of fine particles, since various formulations and materials having an antiviral effect can be designed. For example, by dispersing it in liquid form in the form of fine particles, it can be used to spray aerosol formulations that can be sprayed onto mucosal tissues, etc., which are the route of infection to prevent viral infection, as well as from semi-solid formulations such as ointments and creams to solid formulations. However, a wide range of formulation designs are possible.
- the antiviral material in the form of fine particles can be used by being filled in a column or mixed with a molding material or a surface treatment agent.
- Examples of methods for obtaining fine particles include a method using mechanical pulverization or polishing, a method for precipitating into fine particles during the process of polymer synthesis, and a method of converting from a solution or molten state to fine particles during insolubilization or cooling and solidification. There is a method of molding.
- Hydrophobic fine particles are prepared from monomers or macromonomers having a functional group that can be converted from a hydrophobic group to a hydrophilic group by hydrolysis, etc.
- a method of converting into a polymer chain (3) Fine particles are produced by combining hydrophilic and hydrophobic raw materials such as a hydrophilic macromonomer and a hydrophobic monomer, or a hydrophobic Mac ⁇ monomer and a hydrophilic monomer. There are ways to do that.
- a method of forming into fine particles in the course of polymer synthesis is preferable from the viewpoint of uniformity of fine particles and ease of production.
- a hydrophilic macromonomer when a hydrophilic macromonomer is dispersedly copolymerized with a hydrophobic monomer such as styrene or butylmethyl methacrylate in water, ethanol, or a mixed solvent of ethanol and water, the particle size is relatively uniform, called microspheres or nanospheres.
- polymer microspheres exhibiting good dispersibility in water can be synthesized (Polymer Addition, Vol. 37, ⁇ 120-125, “Water-soluble macromonomer” by Mitsu Akashi).
- a macromonomer is a polymer having a function as a polymerizable monomer.
- Macromonomers are assembled from the synthesis of main-chain polymers and the introduction of polymerizable functional groups.
- anion living polymerization terminal method, initiation method
- cationic polymerization ring-opening cation living polymerization, vinyl cation polymerization, cation polymerization using inifer, etc.
- a method using a chain transfer reaction in radical polymerization Alternatively, a method of introducing a polymerizable functional group into a functional group such as a terminal of the main chain polymer by using chloromethylstyrene, glycidyl methacrylate, methacryloyl isocyanate, methacrylein, methacrylic acid chloride, or the like.
- Yes Polymer Processing, Vol. 33, ⁇ 439-445, "Synthesis and Polymerization of Macromers" by Yanazo Asami)
- the preferred particle size of the antiviral material of the present invention is from 100 to 1 country.
- the particle size of the microparticles must be reduced. The effect of separation and inactivation is reduced.
- the efficiency of the adsorption rate decreases, and the practicality decreases.
- HIV-causing virus HIV
- a mannose-binding lectin such as ConA binds to the sugar chain of gp120, which is an envelope glycoprotein of HIV, and expresses anti-HIV activity. Therefore, it is effective in removing infectious HIV particles from the liquid to be treated and body fluids, preventing infection, and removing gp120, which is one of the pathogens in vivo, and its immune complex. Can be expected.
- any material requiring antiviral activity can be used.
- viruses are used in medicines and various products (various products for medical and nursing use, daily products) to prevent secondary infection from virus carriers, and in medical and clinical trial sites where there is concern about virus infection. It can be applied to materials and additives for medical devices and clinical test products, therapeutic devices to reduce the virus load on virus-infected patients, and virus concentration devices used in tests and experiments.
- antiviral agents to be administered in advance to the viral infection route to prevent viral infection include antiviral agents to inactivate viruses in biological samples for clinical tests, etc. Ointments and creams applied to t, etc., to inactivate HIV and remove gp120 from the body to reduce the viral load of HIV infected patients Use a medical device.
- the antiviral material of the present invention reduces the risk of virus infection (prevents virus infection) by adsorbing or inactivating virus particles or a part thereof (prevents virus infection), and reduces the disease state caused by the virus.
- t-butylmethyl acrylate Dissolve t-butylmethyl acrylate (t-BMA) in tetrahydrofuran, and in the presence of a chain transfer agent (2-mercaptoethanol) and a polymerization initiator (azobisisobutyronitrile; AIBN) under a nitrogen stream 60. C, polymerization was carried out for 6 hours. After completion of the reaction, reprecipitation was carried out in a mixed solution of water and methanol (1: 1, vXv), dried under reduced pressure, dissolved again in isopropanol, and reprecipitated in water / methanol. A t-BMA oligomer having a hydroxyl group was obtained (M. Riza, S. Tokura,. Iwasaki, B. Yashima, A. Kishida, M. Akashi J. Polym. Sci. Part A: Polym. Chem. Ed .. 33 , 1219-1225 (1995)).
- t-BMA oligomer was dissolved in DMF (N, N-dimethylformamide) 10 and a 5-fold molar equivalent of phase transfer catalyst (tetrabutylphosphonium bromide) and 10-fold molar equivalent to the oligomer.
- phase transfer catalyst tetrabutylphosphonium bromide
- 10-fold molar equivalent of p-chloromethylstyrene was added, and the mixture was stirred and stirred at 30 ° C. for 48 hours. After the reaction is completed, the product is It was reprecipitated in a mixed solution of evening knol (1Z1, v / v).
- t-BMA macromonomer having a vinylbenzyl group at a terminal.
- the resulting t-BMA macromonomer and styrene are deaerated and sealed in ethanol using AIBN as the initiator.6 (After 48 hours of reaction with TC, dialysate the reaction product in methanol. The resulting microspheres were dispersed in ethanol, concentrated hydrochloric acid was added (ethanol Z hydrochloric acid; 5Z1, v / v), and the mixture was dried at 75 °. The t-BMA chain was converted to a methacrylic acid chain by reacting for 12 hours with C. Purification was performed by removing the supernatant, concentrating, and dialyzing against water.
- the size of the microsphere can be controlled by the composition of the monomer and the synthesis conditions. ⁇ 100 Onm is preferably used. In this embodiment, the particle diameter is 200 ⁇ ! The following experiments were performed using ⁇ 40 Onm microspheres.
- ConA concanavalin A
- the dispersion liquid of Maikurosufuwea (M 1) (250mg /) 1. 2 ⁇ to 0. 5M KH 2 P_ ⁇ 4 solution 0.1 5 ⁇ , further 1. 0 wt% WSC (1-Echiru - 3- (dimethyl chill Addition of 0.15 ml of aqueous solution of (aminopropyl) carposimidide chloride at the mouth and activation for 30 minutes at room temperature to activate carboxyl groups on the microsphere surface. After centrifuging at 1,300 Orpm for 20 minutes to separate the mic orifice and the solution, remove the solution (supernatant), and then quickly 1.
- OmgZ An on A solution (1 OmM HE PES buffer, pH 8.0, 4 ° C) was added and allowed to stand at 4 ° C for 24 hours to immobilize the ConA on the microsphere. After the reaction, unreacted on A was removed by repeating centrifugation (13,000 rpm, 20 minutes) and redispersion.
- the anti-HIV effect of C0nA-immobilized microspheres was evaluated by targeting HIV, the virus causing AIDS.
- HIV virus stock solution HTLV - m B persistently infected cells in a MOLT -? 4 / HIV 1 0% Ji 3 containing?
- the cells were cultured in 1 ⁇ 11640 medium and centrifuged to separate the cell components.
- the virus stock solution was prepared by adding a 1 ⁇ ? 1 ⁇ 11640 medium containing 10% by 3 before use so that an HIV solution having a predetermined infectivity titer was obtained.
- the HIV infectious titer was measured by the cytopathic effect (CPE) of MT-4 cells according to a conventional method, and calculated as a 50% cultured cell virus infectious dose (TC Io / ⁇ ).
- CPE cytopathic effect
- TC Io / ⁇ 50% cultured cell virus infectious dose
- gp120 which is an envelope glycoprotein of HIV, was quantified using gp120 Capture ELIZA kit manufactured by AGMED.
- Comparative Example 1 was a microsphere in which ConA was not immobilized, and Comparative Example 2 was a system to which free C0nA was added. C on A concentration and c are the same
- the antiviral material of the present invention has excellent shape stability and strength because the mannose-binding lectin is bonded to the base material composed of the hydrophobic polymer chain via the hydrophilic polymer chain, and the lectin is used.
- the antiviral activity is effectively expressed.
- By making the antiviral material of the present invention into a fine particle shape with a diameter of 10 O nm to 1 mm it is possible to design various preparations and materials, for example, spraying on mucosal tissues to prevent viral infection
- a wide range of formulation designs are possible, from semi-solid formulations such as ointments and creams to solid formulations, including aerosol formulations that are commonly used. Further, it can be added to various molding materials and surface treatment agents to be processed into a desired shape, or to impart antiviral action to various molded products.
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Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/043,871 US5945514A (en) | 1996-08-08 | 1997-07-18 | Antiviral raw materials |
DE69728862T DE69728862T2 (de) | 1996-08-08 | 1997-07-18 | Antivirales ausgangsmaterial |
EP97930839A EP0883993B1 (en) | 1996-08-08 | 1997-07-18 | Antiviral materials |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8/210323 | 1996-08-08 | ||
JP8210323A JPH1045601A (ja) | 1996-08-08 | 1996-08-08 | 抗ウイルス素材 |
Publications (1)
Publication Number | Publication Date |
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WO1998006266A1 true WO1998006266A1 (fr) | 1998-02-19 |
Family
ID=16587530
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP1997/002501 WO1998006266A1 (fr) | 1996-08-08 | 1997-07-18 | Materiaux antiviraux |
Country Status (5)
Country | Link |
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US (1) | US5945514A (ja) |
EP (1) | EP0883993B1 (ja) |
JP (1) | JPH1045601A (ja) |
DE (1) | DE69728862T2 (ja) |
WO (1) | WO1998006266A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5945514A (en) * | 1996-08-08 | 1999-08-31 | Mitsuru Akashi | Antiviral raw materials |
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JP2001335510A (ja) * | 2000-05-23 | 2001-12-04 | Masanori Baba | エイズワクチン |
CN114875667B (zh) * | 2022-04-14 | 2024-06-28 | 水木聚力接枝新技术(深圳)有限责任公司 | 一种基于双长链离子液体结构单体接枝共聚的广谱抗菌抗病毒纺织品及其制备方法 |
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JPS61165334A (ja) * | 1984-08-03 | 1986-07-26 | メデイサ−チ、エス、ア− | ウイルスの感染活性の抑制方法および組成物 |
JPS62187496A (ja) * | 1985-09-03 | 1987-08-15 | アンステイテイ パスツ−ル ド リヨンエ デイ シド−エスト | 淋菌の結合性因子レクチン、その製造方法及びこれらのレクチン又は対応する抗体又は対応する結合性受容体を含有する治療用組成物 |
JPH05501877A (ja) * | 1989-10-25 | 1993-04-08 | スコティッシュ クロップ リサーチ インスティテュート | 抗ウィルス物質 |
JPH08319300A (ja) * | 1995-03-17 | 1996-12-03 | Kanagawa Kagaku Gijutsu Akad | レクチンの固定化法及びそれを用いた細胞用基材 |
Family Cites Families (7)
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EP0628315A1 (en) * | 1986-03-20 | 1994-12-14 | Dana-Farber Cancer Institute, Inc. | Lectin complex and probe and method for making same |
US4882226A (en) * | 1986-09-23 | 1989-11-21 | Akzo N.V. | Carrier material for use in chromatography or carrying out enzymatic reactions |
CA1320718C (en) * | 1987-06-08 | 1993-07-27 | Richard Frederick Hammen | Chromatographic material |
WO1990009832A1 (en) * | 1989-02-21 | 1990-09-07 | Eastman Kodak Company | High performance affinity chromatography column comprising non-porous, monodisperse polymeric packing material |
DD287950A5 (de) * | 1989-09-15 | 1991-03-14 | Adw Zi F. Molekularbiologie,De | Verfahren zur kovalenten bindung von biologisch aktiven verbindungen an substituierte polyoxyalkylenglykole und ihre monoalkoxyderivate |
US5284934A (en) * | 1991-04-24 | 1994-02-08 | Health Research Inc. | Synthesis and utilization of carbohydrate-binding polymer-lectin conjugates |
JPH1045601A (ja) * | 1996-08-08 | 1998-02-17 | Mitsuru Akashi | 抗ウイルス素材 |
-
1996
- 1996-08-08 JP JP8210323A patent/JPH1045601A/ja active Pending
-
1997
- 1997-07-18 WO PCT/JP1997/002501 patent/WO1998006266A1/ja active IP Right Grant
- 1997-07-18 DE DE69728862T patent/DE69728862T2/de not_active Expired - Fee Related
- 1997-07-18 US US09/043,871 patent/US5945514A/en not_active Expired - Lifetime
- 1997-07-18 EP EP97930839A patent/EP0883993B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61165334A (ja) * | 1984-08-03 | 1986-07-26 | メデイサ−チ、エス、ア− | ウイルスの感染活性の抑制方法および組成物 |
JPS62187496A (ja) * | 1985-09-03 | 1987-08-15 | アンステイテイ パスツ−ル ド リヨンエ デイ シド−エスト | 淋菌の結合性因子レクチン、その製造方法及びこれらのレクチン又は対応する抗体又は対応する結合性受容体を含有する治療用組成物 |
JPH05501877A (ja) * | 1989-10-25 | 1993-04-08 | スコティッシュ クロップ リサーチ インスティテュート | 抗ウィルス物質 |
JPH08319300A (ja) * | 1995-03-17 | 1996-12-03 | Kanagawa Kagaku Gijutsu Akad | レクチンの固定化法及びそれを用いた細胞用基材 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5945514A (en) * | 1996-08-08 | 1999-08-31 | Mitsuru Akashi | Antiviral raw materials |
Also Published As
Publication number | Publication date |
---|---|
EP0883993B1 (en) | 2004-04-28 |
EP0883993A1 (en) | 1998-12-16 |
DE69728862T2 (de) | 2004-11-04 |
US5945514A (en) | 1999-08-31 |
JPH1045601A (ja) | 1998-02-17 |
DE69728862D1 (de) | 2004-06-03 |
EP0883993A4 (en) | 2000-08-02 |
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