WO2007080977A1 - 免疫疾患の予防ないし治療剤および方法 - Google Patents
免疫疾患の予防ないし治療剤および方法 Download PDFInfo
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- WO2007080977A1 WO2007080977A1 PCT/JP2007/050340 JP2007050340W WO2007080977A1 WO 2007080977 A1 WO2007080977 A1 WO 2007080977A1 JP 2007050340 W JP2007050340 W JP 2007050340W WO 2007080977 A1 WO2007080977 A1 WO 2007080977A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7028—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
- A61K31/7032—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a polyol, i.e. compounds having two or more free or esterified hydroxy groups, including the hydroxy group involved in the glycosidic linkage, e.g. monoglucosyldiacylglycerides, lactobionic acid, gangliosides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/35—Allergens
- A61K39/36—Allergens from pollen
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/10—Dispersions; Emulsions
- A61K9/127—Synthetic bilayered vehicles, e.g. liposomes or liposomes with cholesterol as the only non-phosphatidyl surfactant
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/08—Antiallergic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/555—Medicinal preparations containing antigens or antibodies characterised by a specific combination antigen/adjuvant
- A61K2039/55511—Organic adjuvants
- A61K2039/55555—Liposomes; Vesicles, e.g. nanoparticles; Spheres, e.g. nanospheres; Polymers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/555—Medicinal preparations containing antigens or antibodies characterised by a specific combination antigen/adjuvant
- A61K2039/55511—Organic adjuvants
- A61K2039/55583—Polysaccharides
Definitions
- the present invention relates to an agent for preventing / treating immune diseases such as allergic diseases or autoimmune diseases, a method for preventing or treating immune diseases, cedar pollen antigen fusion protein, and the like.
- Patent Document 1 describes a method of encapsulating an OVA (ovalbumin) protein in a ribosome lumen including (X-GalCer (a-galactosylceramide), and a mouse antibody production inhibitory action by the ribosome.
- OVA ovalbuproin
- Non-patent document 1 shows that when mouse bone marrow cells are cultured in vitro in the presence of IL-10, CD 45RB Wgh CDl lc lc> w cells proliferate, and in the spleen, CD45RB Wgh CDl lc lc> w cells It is described that regulatory T cells such as naive CD4 + T cells can be disseminated and expanded in vitro and in vivo (mouse).
- Non-Patent Document 2 describes a method for artificially producing mouse bone marrow cell force-controlling rod cells.
- Non-Patent Document 3 describes that low specific gravity B220-positive B cells in mouse spleen have the ability to produce IL-10 upon bacterial stimulation.
- Non-Patent Document 4 shows that low specific gravity cells in the spleen of mice administered with ⁇ -GalCer cannot enhance IL-4 production ability of T cells, and IFN of NKT cells activated by DC — It has been described to suppress sputum and IL-4 production function.
- Patent Document 1 International Publication WO2005 / 120574 Pamphlet
- Non-patent literature l Wakkach et al, Immunity 18: 605-617 (2003)
- Non-Patent Document 2 Sato et al., Immunity 18: 367-379 (2003)
- Non-Patent Document 3 Burke et al., The Journal of Immunology 173: 2362-2372 (2004)
- Non-Patent Document 4 Bezbradica et al., The Journal of Immunology 174: 4696-4705 (2005) Disclosure of the Invention
- an object of the present invention is to selectively enhance the immunosuppressive function among various functions of NKT cells, to efficiently induce antigen-specific immunosuppression in vivo, and to It is to provide a medicine to which is applied.
- a drug delivery vehicle containing a CDld ligand and a natural or recombinant allergen specifically suppresses IgE production caused by the allergen. It is found that allergic diseases caused by allergens can be specifically treated by such a drug delivery vehicle, and based on this finding, by using a drug delivery vehicle containing a self-antigen instead of an allergen, The inventors have conceived that autoimmune diseases caused by autoantigens can be specifically treated in the same manner, and thus the present invention has been completed.
- the present invention provides the following inventions and the like:
- a prophylactic or therapeutic agent for an immune disease caused by a target antigen comprising a drug delivery vehicle having a lumen containing a CDld ligand and a target antigen.
- the Cryj 1 protein is a Cryj 1 mature protein.
- FIG. 1 a 0 & 1 61: or 0; 0 (0;-GalCer) —indicates production of IFN-y, IL-4, and IL10 in spleen-derived spleen cells (DC) and B cells from ribosomes
- DC spleen-derived spleen cells
- ND not detected.
- FIG. 2A is a diagram showing analysis of low density (LD) —B cells and high density (HD) —B cells using a flow cytometer.
- FIG. 3 shows IL-10 production by marginal zone B cells pulsed with a GC ribosome. ND: not detected.
- FIG. 4 is a graph showing blood anti-Cryjl-specific IgE concentrations in natural Cryjl-sensitized mice to which a GC-natural Cryjl-ribosome, ⁇ GC-ribosome or ribosome alone was administered.
- FIG. 5 shows the nucleotide sequence of the Cryj 1Z2 gene (SEQ ID NO: 8).
- the nucleotide sequence consisting of nucleotide residues 1 to 57 is the nucleotide sequence of the His tag region derived from the pET47b vector, 58 to: L 119th
- the nucleotide sequence consisting of the nucleotide residues is the amino acid sequence of the Cryj l mature protein (the amino acid sequence consisting of amino acid residues 21 to 374 of the amino acid sequence registered as GenBank accession number BAA07020: Sequence No.
- nucleotide sequence consisting of nucleotide residues 1120 to 2283, the amino acid sequence of Cryj 2 mature protein (of the amino acid sequence registered as GenBank accession number P43212) Nucleotide encoding the amino acid sequence consisting of amino acids 46 to 433: SEQ ID NO: 11) It is an array.
- FIG. 6 shows the amino acid sequence of CryjlZ2 protein (SEQ ID NO: 9).
- the amino acid sequence having the 1st to 19th amino acid residues is the amino acid sequence of the His tag region derived from the pET47b vector, and the 20th to 373rd amino acids.
- the amino acid sequence that also has the residue power is the amino acid sequence of Cryj l mature protein (registered as GenBank accession number BAA07020 !, among the amino acid sequences 21 to 374 of the amino acid sequence: sequence No.
- amino acid sequence that also has the 374-761th amino acid residue power is the amino acid sequence of Cryj 2 mature protein (46-433th amino acid sequence among amino acid sequences registered as GenBank accession number P43212) Amino acid sequence that also has amino acid residue power: SEQ ID NO: 11).
- FIG. 7 is a graph showing the natural Cryj 1-specific IgE antibody titer in the serum of mice immunized with natural Cryj 1 or recCryj lZ2 protein. * Below detection limit
- FIG. 8 RecCryj in the serum of mice immunized with native Cryj l or recCryj lZ2 protein It is a figure which shows 1Z2-specific IgE antibody titer.
- FIG. 9 is a graph showing the natural Cryj 1-specific IgG antibody titer in the serum of mice immunized with natural Cryj l or recCryj lZ2 protein.
- FIG. 10 is a graph showing suppression of increase in natural Cry j 1-specific IgE antibody titer in serum of natural Cryj l immunized mice by recCryj lZ2 protein.
- Figure ll This figure shows the blood anti-Cryj l IgE concentration in natural Cryj l-sensitized mice administered with a GC—recombinant Cryj lZ2 fusion protein—ribosome, a GC—ribosome, or physiological saline. .
- the present invention relates to a drug delivery vehicle having a lumen containing a CDld ligand and a target antigen (hereinafter, if necessary, a drug delivery vehicle, a drug delivery vehicle having a lumen, a CDld ligand, And a drug delivery vehicle containing a target antigen or a drug delivery vehicle containing a target antigen).
- the drug delivery vehicle that can be used in the present invention is not particularly limited as long as it allows drug delivery to an animal and has a lumen, and examples thereof include ribosomes and microspheres.
- Ribosome refers to a vesicle structure in which micelles (water-soluble particles obtained by aggregation of amphiphilic molecules including a hydrophilic region and a hydrophobic region) are closed.
- the medicament of the present invention contains ribosome as a drug delivery vehicle
- the CDld ligand can be embedded in the ribosome membrane, and the allergen can be encapsulated in the ribosome lumen.
- powerful ribosomes can be prepared by the method described in International Publication WO2005Z120574.
- a ribosome containing a CDld ligand such as a-GalCer is mixed with an organic solvent solution containing a lipid constituting the ribosome and a CD Id ligand according to a conventional method as described in PCT / JP2005 / 10254. It can be obtained by drying, adding water thereto and sonicating.
- the ribosome encapsulating the target antigen can be obtained by mixing the lipid that constitutes the ribosome and the organic solvent solution containing the CDld ligand, drying the mixture, and sonicating it with an aqueous solution of the target antigen. .
- Microspheres are microspheres that use polymers that are degraded in vivo as a base. Refers to the substance. Examples of the microsphere include a porous microsphere and a capsule microsphere.
- the CDld ligand refers to a substance that is presented on a CDld-expressing antigen-presenting cell (APC) and can thus activate NKT cells.
- Examples of the CDld ligand include a-GalCer and its analogs, and IGb3 (Isoglobo-glycosphingolipid) existing in vivo, and ⁇ -GalCer is more preferable.
- the target antigen is not particularly limited as long as suppression of an immune response to the antigen in a living body is desired.
- the target antigen may be a natural body, a recombinant protein, or a chemical composition, and examples thereof include allergen, autoantigen, and graft alloantigen.
- the allergen is not particularly limited as long as it is a factor that can cause allergies that is exposed to, ingested by, or applied to the living body.
- allergens include, for example, pollen (eg, cedar, cypress, ragweed, rice, birch, camodium, mugwort), food (eg, milk, buckwheat, egg, peanut, wheat, soy, seafood, fruit) Or processed products thereof), non-human organisms or their derivatives (eg mites, molds, animal 'bird's hair, bee venom), drugs (eg penicillin antibiotics, sulfa drugs, barbituric acid derivatives), medical Factors that can cause allergies are included in articles (eg, natural rubber gloves), household items (eg, metal in decorative equipment), other substances or compositions (eg, latex), and the like.
- pollen eg, cedar, cypress, ragweed, rice, birch, camodium, mugwort
- food eg,
- the medicament of the present invention contains a drug delivery vehicle containing an allergen as a target antigen, it is useful as a specific therapeutic agent for allergic diseases caused by the allergen. Since the drug delivery vehicle containing the CDld ligand and the allergen specifically suppresses IgE production caused by the allergen, the present inventors have found that allergic diseases caused by the allergen are more specific to such a drug delivery vehicle. Found that it can be treated. Examples of allergic diseases that can be specifically treated with the medicament of the present invention include atopic bronchial asthma, atopic dermatitis, allergic rhinitis (eg, hay fever), allergic conjunctivitis, food Allergies and drug allergies are listed.
- an example may be a cedar pollen antigen (eg, a protein such as Cryj 1, Cryj2, etc.). Also preferred as an allergen is a recombinant fusion protein of cedar pollen antigen. Examples of such fusion proteins include Cryj 1 protein and Cryj 2 protein fusion proteins (hereinafter abbreviated as “fusion proteins” as necessary).
- the Cryj 1 mature protein is a polypeptide in which the signal region present on the N-terminal side of the polypeptide expressed from the Cryj 1 gene is at least partially removed.
- GenBank accession number: BAA07020 a Cryj 1 protein that has 374 amino acid residues is registered as a Cryj 1 protein.
- a Cryj 1 mature protein is registered in BAA07020. It corresponds to a polypeptide consisting of amino acid residues 22 to 374 out of a polypeptide consisting of individual amino acid residues. Of the 374 amino acid residues registered in BAA07020, the region having the 1st to 21st amino acid residues is a signal region.
- the Cryj 1 mature protein is a natural Cryj 1 mature protein, or one or more of the natural Cryj 1 mature protein (eg 1 to: LO, preferably 1 to 7, more preferably 1 to 5, Most preferably 1, 2 or 3 amino acids have been modified (eg, substituted, added, inserted, deleted) or at least about 95%, preferably about 97%, more preferably with the amino acid sequence of the native Cryjl mature protein May be a mutant protein having an amino acid sequence exhibiting amino acid sequence identity (%) of about 98%, most preferably about 99%, and retaining an epitope in a Cryjl mature protein.
- the natural Cryj 1 mature protein eg 1 to: LO, preferably 1 to 7, more preferably 1 to 5,
- Most preferably 1, 2 or 3 amino acids have been modified (eg, substituted, added, inserted, deleted) or at least about 95%, preferably about 97%, more preferably with the amino acid sequence of the native Cryjl mature protein May be a mutant protein having an amino acid sequence
- the natural Cryjl mature protein includes a polypeptide having 22 to 374 amino acid residues among the 374 amino acid residues registered in GenBank accession number: BAA07020, and a naturally occurring polypeptide thereof. Isotypes (see, for example, GenBank accession numbers D34639, D26544, D26545, AB081309, AB081310).
- the mutated protein may be a protein that has been modified to retain one or more, preferably all epitopes (eg, T cell or B cell epitopes) in the Cryjl mature protein.
- the Cryj 2 mature protein is the N-terminal side of the polypeptide expressed from the Cryj2 gene. In which the signal region and the two proregions present on the N-terminal and C-terminal sides of the coding part of the mature protein, respectively, are removed.
- GenBank accession number: P43212 as a Cryj2 protein, the force that a polypeptide with a force of 14 amino acid residues is registered.
- Cryj2 mature protein has 514 amino acid residues registered in P43212. It corresponds to the polypeptide consisting of the 46th to 433th amino acid residues among the polypeptide comprising the group.
- the region consisting of the 1st to 22nd amino acid residues is the signal region, the region consisting of the 23rd to 45th amino acid residues, and 434 Each region consisting of the ⁇ 514th amino acid residues is a pro region.
- the Cryj2 mature protein is a natural Cryj2 mature protein, or one or more in the natural Cryj2 mature protein (eg 1 to: LO, preferably 1 to 7, more preferably 1 to 5, most preferably 1, 2 or 3 amino acids have been modified (eg, substituted, added, inserted, deleted), or at least about 95%, preferably about 97%, more preferably about 98, with the amino acid sequence of the native Cryj2 mature protein %, Most preferably about 99% amino acid sequence identity (%) amino acid sequence and can be a mutant protein that retains an epitope in the Cryj 2 mature protein.
- LO preferably 1 to 7, more preferably 1 to 5
- amino acids have been modified (eg, substituted, added, inserted, deleted)
- amino acid sequence of the native Cryj2 mature protein % Most preferably about 99% amino acid sequence identity (%) amino acid sequence and can be a mutant protein that retains an epitope in the Cryj 2 mature protein.
- the mutated protein may be a protein that has been modified to retain one or more, preferably all epitopes (eg, T cell or B cell epitopes) in the Cryj2 mature protein.
- Amino acid sequence identity can be determined using a program commonly used in the art (for example, BLAST, FA STA, etc.) by default. Identity (%) can also be determined by any algorithm known in the art, such as Needleman et al. (1970) (J. Mol. Biol. 48: 4 44-453), Myers and Miller (CABIOS, 1988, 4:11). — It can be determined using the algorithm of 17). Needleman's algorithm is incorporated into the GAP program of the GCG software package (available at www.gcg.com). The unity (%) is, for example, BLOSUM 62 matrix or PAM250 matrix, and gap weight: 16, 14, 12, 10, 8, 6 or 4, and length weight: 1, 2, 3, 4, 5 or 6 Can be determined by using either.
- the Myers and Miller algorithms are also incorporated into the ALIGN program, which is part of the GCG sequence alignment software package.
- ALIGN program When using the ALIGN program to compare amino acid sequences, for example, PAM120 weight residue table, gap length penalty 12, gap penalty 4 can be used.
- the amino acid sequence identity may be determined by any of the above methods, and for example, the method of showing the lowest value among the above methods can be adopted in the calculation.
- the fusion protein has a Cryjl mature protein on the N-terminal side, a Cryj2 mature protein on the C-terminal side, or a Cryj l mature protein on the C-terminal side, and a Cryj2 mature protein on the N-terminal side. It may be present on the side. Furthermore, the fusion protein may or may not contain a peptide linker between the Cryjl mature protein and the Cryj2 mature protein.
- a person skilled in the art can appropriately design a powerful peptide linker based on common general knowledge in the technical field. For example, a peptide linker can be about 30 or less, preferably about 25 or less, more preferably about 20 or less, even more preferably about 15 or less, and most preferably about 10 or 5 amino acid residues or less in length. .
- the fusion protein may also be one in which an additional peptide moiety is added to the N-terminal or C-terminal, either, or both.
- a peptide moiety is not particularly limited as long as it can retain the properties of the fusion protein when added to the fusion protein.
- a peptide moiety includes a purification tag (eg, histidine (His) tag, FLAG tag, Myc tag).
- Histidine (His) tag, FLAG tag, Myc tag e.g, a purification tag (His) tag, FLAG tag, Myc tag).
- such a peptide moiety can be, for example, about 30 or less, preferably about 25 or less, more preferably about 20 or less amino acid residues in length.
- the fusion protein may be a soluble protein.
- the fusion protein is a soluble protein obtained in the soluble fraction, for example, it can be purified to a high purity by a general purification method such as column chromatography, or the protein can be easily modified. is there.
- the fusion protein may also be soluble, even if obtained in the insoluble fraction. It can be obtained as a soluble protein by treatment and therefore also has the above advantages.
- the anaphylactic reaction is caused by introduction of a signal generated by binding of an allergen to an IgE antibody bound to the surface of a mast cell into the cell.
- the fusion protein can suppress the production of cedar pollen antigen-specific IgE antibody by cedar pollen antigen, if it cannot induce the production of IgE antibody specific to cedar pollen antigen (eg, natural Cryj l).
- the fusion protein can carry one or more (preferably all) T cell epitopes in the Cryjl mature protein and the Cryj 2 mature protein.
- the fusion protein cannot bind to the native Cryj 1 or Cryj 2 specific IgE antibody, so it does not generate an anaphylaxis reaction, and can be a safe allergen, an anaphylactic reaction caused by cedar pollen.
- Covers T cell epitopes in all cedar pollinosis patients who can sufficiently induce immunity specific to cedar pollen antigens (eg, cellular immunity, humoral immunity such as Ig G) Has the advantage of being able to.
- the autoantigen is not particularly limited as long as it is an antigen that can be a target of immune cells in an autoimmune disease.
- autoantigens include collagen, nucleic acid (rheumatoid arthritis, systemic lupus erythematosus), myelin basic protein (MBP) (multiple sclerosis), thyroglobulin (thyroid autoimmune disease), graft alloantigen ( Graft-versus-host disease).
- the medicament of the present invention is useful as a therapeutic agent for autoimmune diseases when it contains a drug delivery vehicle containing a self-antigen as a target antigen.
- a drug delivery vehicle containing a CDld ligand and an allergen can specifically treat an allergic disease caused by the allergen. Therefore, a drug delivery vehicle containing a self-antigen instead of an allergen is used. It was conceived that autoimmune diseases caused by the self-antigen can be specifically treated by using the same. Examples of such autoimmune diseases include those described above.
- the individual to which the drug delivery vehicle of the present invention is administered can be any animal species.
- animal species include mammals such as primates and rodents, and birds. More specifically, examples of animals to which the present invention can be applied include, for example, humans, monkeys, chimpanzees, dogs, cats, horses, mice, pigs, hidges, goats, mice, rats, monoremots, hamsters, dogs. Egret, -Amber bird. From the viewpoint of clinical application, humans, Z or Inu, and cats are preferable.
- the medicament of the present invention can contain any carrier, for example, a pharmaceutically acceptable carrier, in addition to the drug delivery vehicle.
- a pharmaceutically acceptable carrier include excipients such as sucrose, starch, mannitol, sorbit, lactose, glucose, cellulose, talc, calcium phosphate, calcium carbonate, cellulose, methyl cellulose, hydroxypropyl cellulose, gelatin Binders such as gum arabic, polyethylene glycol, sucrose, starch, starch, carboxymethylcellulose, hydroxypropyl starch, sodium glycol-starch, sodium bicarbonate, calcium phosphate, calcium citrate, etc., magnesium stearate, air mouth Lubricants such as jill, talc, sodium lauryl sulfate, fragrances such as citrate, menthol, glycyllysine 'ammonium salt, glycine, orange powder, sodium benzoate, sodium bisulfite Preservatives such as lithium, methylparaben, and prop
- Preparations suitable for oral administration include solutions in which an effective amount of a substance is dissolved in a diluent such as water or physiological saline, capsules or sachets containing an effective amount of the substance as solids or granules.
- a diluent such as water or physiological saline
- capsules or sachets containing an effective amount of the substance as solids or granules.
- a tablet a suspension in which an effective amount of a substance is suspended in an appropriate dispersion medium, an emulsion in which a solution in which an effective amount of a substance is dissolved is dispersed in an appropriate dispersion medium and emulsified, or a powder, a condyle Such as granules.
- Formulations suitable for parenteral administration include aqueous and non-aqueous isotonic sterile injection solutions.
- Anti-acidic agents, buffers, antibacterial agents, isotonic agents and the like may be included.
- Aqueous and non-aqueous sterile suspensions are also included, which may contain suspending agents, solubilizers, thickeners, stabilizers, preservatives and the like.
- the preparation can be enclosed in a container in unit doses or multiple doses such as ampoules and vials. Also active ingredients and medicines
- the above-acceptable carrier can be lyophilized and dissolved or suspended in a suitable sterile vehicle just before use! Or stored in a state.
- the pharmaceutically effective amount of the agent of the present invention includes the activity and type of the active ingredient, the mode of administration (eg, oral, parenteral), the severity of the disease, the animal species to be administered, and the drug acceptance of the administration target. It varies depending on sex, body weight, age, etc., but it is generally not about 0.1 mg / kg to about 10 mg / kg body weight as an active ingredient per day for adults.
- the agent of the present invention may be administered to a subject having immune disease (especially a human patient) for one day or several days, or may be administered at intervals of one day to several days.
- immune disease especially a human patient
- the immune disease can be administered to a subject with hay fever before the pollen of interest (eg, cedar, ragweed, etc.) or at the time of pollen scattering.
- pollen of interest e.g, cedar, ragweed, etc.
- Example 1 IL-10 cattle produced by ⁇ -galactosylceramide-containing ribosomes
- BDF1 mice were administered aqueous a -GalCer or oc GC -ribosome (International Publication WO2005 / 120 574) intraperitoneally with 2 / zga -G Cer / mouse, and the spleen was removed 24 hours later. After spleen was crushed with a glass slide and cells were prepared, anti-CDl lc antibody magnetic microbeads (Miltenyi) were added, and CDl lc + cells (DC) were prepared using a magnet. B220 + cells (B cells) were prepared with anti-B220 mAb magnetic microbeads (Miltenyi) from the remaining cells that did not bind to the magnet.
- the cytodynamic force in IFN- ⁇ , IL-4, and IL-10 in the culture supernatant was measured by ELISA (FIG. 1).
- the amount of IFN- ⁇ produced in the group added with CDl lc + cells derived from the spleen of a GC-ribosome-administered BDF1 mice was higher than the group added with CDl lc + cells derived from the spleen of BDF1 mice administered with aqueous a-G Cer.
- IL-4 and IL-10 production were comparable.
- Example 2 IL-10 cows from marginal zone B cells with ribosome containing a-galactosylceramide.
- a GC-ribosome was intraperitoneally administered to BDF1 mice with ⁇ -G Cer / mouse, and the spleen was removed 24 hours later. Inject 1 mg / ml collagenase D (Roche) into the spleen Incubated for 45 minutes in incubator. Next, spleen force cells were extracted and suspended in 3 ml of HistoDenz (14.1%, Sigma-aldrich), and then X-VIVO 15 medium (CAMBREX Bio Science Walkerville containing 50 M 2-mercaptoethanol (2 ⁇ )) was used. , Inc.). After centrifugation at 1500 rpm for 5 minutes, low density (LD) cells in the intermediate layer and high density (HD) cells in the precipitate were collected.
- LD low density
- HD high density
- the cells were washed with X-VIVO 15 medium containing 50 M 2ME, 10% FCS, and suspended in a phosphate buffer (PBS) containing 0.5% FCS.
- PBS phosphate buffer
- LD-B cells are removed from the remaining cells with anti-B220 mAb magnetic microbeads (Miltenyi).
- HD-B cells were also prepared from HD cells with anti-B220 mAb magnetic microbeads (Miltenyi).
- LD-B cells and HD-B cells were stained with FITC-labeled anti-IgM antibody and PE-labeled anti-CD21 antibody, respectively, and analyzed with a flow cytometer (Fig. 2A).
- 96 well U-bottom culture plate in 1 well 2.5 x 10 5 normal BDF1 mouse whole spleen cells and 1 x 10 5 LD- ⁇ cells or HD- ⁇ ⁇ suspended in 200 ⁇ l culture medium Place the cells and incubate in an incubator containing 5% CO at 37 ° C.
- IL-10 production was detected in the culture supernatant only in the group in which LD-B cells were added to all spleen cells (FIG. 2B). Since LD-B cells are marginal zone B cells, a marginal zone B cells obtained by in vivo administration of a GC-ribosome can produce IL-10 by interacting with whole spleen cells. It was shown to induce.
- LD cells in the intermediate layer were collected. After washing the cells with X-VIVO 15 medium containing 2ME, 10% FCS, 0.5% FCS-containing phosphate buffer (PB),
- LD-B cells were prepared with ikubei beads (Miltenyi). 3 x 10 6 LD-B cells were added to a 6-well culture plate containing 3 ml of culture solution, and a GC-ribosome was added to the culture solution at a final concentration of 100 ng / ml. We prepared a well and a non-added well. After culturing in an incubator containing 5% CO at 37 ° C for 18 hours, the cells were also collected from each eruka.
- Anti-B220 mAb magnetic microbeads were added to whole spleen cells isolated from BDF1 mice, and whole spleen cells (-B220 positive cells) from which B220 + cells were removed using a magnet were prepared.
- 96 wels In one well of a U-bottom culture plate, 2.5 x 10 5 normal BDF1 mouse whole spleen cells (-B220 positive cells) and 1 x 10 5 LD-B suspended in 200 1 medium Cells were added and cultured in an incubator containing 5% CO at 37 ° C for 2 or 3 days.
- IL-10 production was detected in the culture supernatant only in the group in which LD-B cells cultured with a GC-ribosome were added to whole spleen cells (-B220 positive cells) ( (Figure 3). Since LD-B cells are marginal zone B cells, a GC-ribosome pulsed marginal zone B cell (in vivo) force induces IL-10 production by interaction with whole spleen cells It was shown that.
- M4 , -Galactosylceramide Natural Crv il Birch-containing ribosome Secondary in vivo 1 pile body i3 ⁇ 4 For cattle 3 ⁇ 4 production
- the Cry jl / 2 fusion gene contains nucleotides (mature Cryjl) and Cry j2 from position 63 (Ser) to position 1122 (Cys) without the N-terminal signal region of the Cry jl gene (GenBank accession number: BAA07020). N-terminal signal of gene (GenBank accession number: P43212) and nucleotides (mature Cry j2) from position 138 (Arg) to position 1299 (Ser) that do not include the pro region were generated by linking them as follows. .
- the mature Cry j2 gene region contains an Xbal cleavage Loss of Xba I cleavage sequence by codon substitution of TCTAGA ⁇ TCAAGA because the sequence exists as nucleotide sequence (TCTAGA) of positions 868-874 (Ser-Arg) and is inconvenient for recombination with various vectors. It was.
- a DNA polymerase with high DNA synthesis accuracy eg, DNA polymerase (eg, PCR) using primers 1, 2 or primers 3, 4 using the plasmid DNA (Forest Research Institute) with the full-length Cryj2 gene inserted as a template. 20 cycles in the presence of Takara Shuzo PrimeStar and Toyobo KOD).
- the N-terminal region fragment and C-terminal region fragment of mature Cryj2 could be amplified respectively.
- these two DNA fragments were mixed, and PCR using primers 1 and 4 was performed for 20 cycles to amplify the full length of the mature Cry j2 gene.
- DNA sequencing was performed, and the loss of the Xbal cleavage sequence of the mature Cryj2 gene and mutations caused by PCR occurred in all other sequences. Confirmed (pMAT324-Cry) 2 A XbaI).
- PCR was performed using primers 4 and 5 on pMAT324-Cry j2 ⁇ Xbal as a template to amplify the mature Cry j2 gene fragment.
- PCR was performed using primers 6 and 7 with plasmid DNA (Forestry Research Institute) into which the full length of the Cryjl gene was inserted as a template to amplify the mature Cry jl gene fragment.
- the mature Cry jl gene region DNA fragment and the mature Cryj2 gene region DNA fragment were mixed, and PCR using primers 4 and 6 was performed for 20 cycles to amplify the Cry jl / 2 fusion gene DNA fragment.
- the Cry jl / 2 fusion gene was digested with EcoRI, ligated with pET47b (Novagen) vector cleaved with Smal and EcoRI, and transformed into E. coli DH10B strain (pET47 b-Cryjl / 2). It was confirmed by DNA sequencing that the entire Cry jl / 2 fusion gene sequence and the histidine (His) tag sequence were added to the 5 and ends of the Cryjl / 2 gene (Figs. 5 and 6). If necessary, the construct created in this example is abbreviated as recCryjl / 2.
- Primer 1 (sense): CCGGTCTAGAAAAGTTGAGCATTC (SEQ ID NO: 1)
- Primer 2 antisense: CCTCTGCTCTTGAGTTTTCCC (SEQ ID NO: 2)
- Primer 3 (sense): GGGAAAACTCAAGAGCAGAGG (SEQ ID NO: 3)
- Primer 4 (antisense): CCGGAATTCCTATCAACTTGGACTTAAATTC (sequence number 4)
- Primer 5 (sense): AGAAAAGTTGAGCATTC (SEQ ID NO: 5)
- Primer 7 (antisense): GAATGCTCAACTTTTCTACAACGTTTAGAGAGAG AGC (SEQ ID NO: 7)
- pET47b-Cryjl / 2 plasmid DNA was transformed into E. coli strain BL21 (Invitrogen).
- the transformant was inoculated into 100 ml of LB medium supplemented with kanamycin (final concentration 20 g / ml). After overnight culture at 37 ° C, 100 ml of the whole cell culture broth was transferred to 1 L of LB medium containing kanamycin and further cultured at 37 ° C for 2 hours. Next, IPTG was added to a final concentration of 0.1 mM, followed by culturing at 30 ° C for 3 hours. The cells were collected and sonicated, and the precipitate was separated using a high-speed centrifuge.
- Example 7 Solubilization and purification of recCrvil / 2 protein
- the suspension was suspended in 35 ml of 10 mM imidazole / 8 M urea / phosphate buffer (PBS) and stirred with a magnetic stirrer to dissolve insoluble protein. High-speed centrifuge at 18000 rpm for 15 minutes After centrifugation, the supernatant was collected. Next, 0.1 M NiSO was filled and 50 mM imidazole / 8 M
- Centrifugal supernatant was applied by high performance liquid chromatography to a Chelating Sepharose FF (GL Healthcare Bioscience) force ram equilibrated with urea / PBS. After washing with 50 mM imidazole / 8 M urea / PBS, the recCryjl / 2 fusion protein was eluted with 500 mM imidazole / 8 M urea / PBS. Arginine was added to the eluate to a final concentration of 0.4 M, then placed in a dialysis tube, and dialyzed in a 0.4 M arginine / PBS solution for 24 hours to recover the soluble recCryjl / 2 protein.
- Arginine was added to the eluate to a final concentration of 0.4 M, then placed in a dialysis tube, and dialyzed in a 0.4 M arginine / PBS solution for 24 hours to recover the soluble recCryjl / 2 protein.
- mice female, 8 weeks old, Charles River
- mice male, 8 weeks old, Charles River
- mice 2 mg of aluminum hydroxide-umum gel adjuvant (RIKEN) Cryjl (natural type Cryjl; Hayashibara Laboratories) 10 ⁇ g or recCryjl / 2 protein 5 or 10 ⁇ g were immunized intraperitoneally on the first day (day 0) and on the 14th day.
- the mice were boosted with 1 ⁇ g of native Cryjl or 5 or 10 g of recCryjl / 2 protein.
- mice were boosted with 1 ⁇ g of natural Cryjl mixed with 2 mg of hydroxyaluminum-yuum gel.
- Orbital blood sampling was performed on days 13, 28, 55, 76, and 95, and the serum natural Cryjl-specific antibody titer and recCryjl / 2-specific IgE antibody titer were measured.
- natural Cryjl-specific IgE antibody titers on days 28, 55, and 76 increased in natural Cryjl immunized mice and did not increase in mice immunized with recCryjl / 2 protein.
- recCryjl / 2 protein does not produce natural Cryjl-specific IgE antibodies. It was suggested that it could be a safe desensitizing antigen without induction.
- Example 9 In vivo IgE antibody-producing cow of recCrvil / 2 protein. Inhibitory ability
- mice in each group were given 3 doses of recCryjl / 2 protein (0.2 / zg), recCryjl / 2 protein g) or physiological saline, and natural on day 133.
- Boosted with 1 ⁇ g of type Cryjl.
- Orbital blood sampling was performed on days 140 and 160, and the natural Cryjl-specific IgE antibody titer was measured.
- the natural Cryjl-specific IgE antibody titer (day 127) after administration was higher than that in the physiological saline administration group, but subsequent boosting of the natural type Cryjl (day 133) )
- the natural Cryjl-specific IgE antibody titer (day 160) increased in the saline-administered group but decreased in the recCryjl / 2-administered group (Fig. 10).
- recCryjl / 2 protein can be used as a desensitizing antigen capable of suppressing an increase in natural Cryjl-specific IgE antibody titer.
- KanTsugerei 2 , - galactosyl ceramic i re cCrv il / 2 (button .3 ⁇ 4 ⁇ fusion Hakuseki) of liposome containing ⁇
- ⁇ -Galactosylceramide (prepared by RIKEN Center for Immunology and Allergy Science) 0.16 mg was separately dissolved in chloroform / methanol (1: 1) solvent 2501. Next, both were mixed and dried with an evaporator, and then dried in a desiccator under vacuum. Next, recCryjl / 2 protein (Example 7) 200 1 aqueous solution with a concentration of 0.4 mg / ml was added, and an ultrasonic crushing device was added. Was treated for 10 minutes, and then passed through a sterilizing membrane having a pore size of 0.22 m.
- the particles were sized by passing 25 times through a LiposoFast-Basic extruder (Avestin Inc.) equipped with a polycarbonate film having a pore size of 100 nm.
- Concentration of recCryjl / 2 encapsulated ribosome using Amicon Ultra-4 centrifugal filter (PL-100) (Millipore) and washing with purified water removes unencapsulated recCryjl / 2 protein and finally purified water To prepare an aqueous solution of 800 ⁇ l.
- miO -galactosylcerami recCrv ⁇ / 2 (3 ⁇ 4 ⁇ fused white rabbit) In vivo secondary using liposome 3 ⁇ 4 ⁇ ! ⁇ Stake ⁇ For cattle 3 ⁇ 4 system
- a GC—recCry jl / 2—ribosome (a GC: 2 ⁇ g.recCry jl / 2: 0.5 ⁇ g / mouse), a GC—ribosome GC: 2 g / mouse) or ribosome alone Was administered intraperitoneally three times on days 105, 112, and 119 after sensitization, and a second booster immunization was performed with natural Cryjl (1 ⁇ g / mouse) on day 126.
- GC-ribosomes can be expected to have a therapeutic effect that lowers the high IgE antibody titer after the onset of allergy, and the effect can be further enhanced by encapsulating non-allergenic antigens in the ribosome. It was suggested.
- the agent of the present invention comprising a drug delivery vehicle having a lumen containing a CDld ligand and a target antigen (eg, allergen, autoantigen) is specific to a disease caused by the target antigen.
- a target antigen eg, allergen, autoantigen
- the agent of the present invention may also comprise a cedar pollen antigen fusion protein.
- the fusion protein that can be contained in the agent of the present invention does not cause an anaphylactic reaction, and can sufficiently suppress the degree of anaphylactic reaction caused by cedar pollen, which can be a safe allergen, and sufficiently immunity specific to a cedar pollen antigen. It has the excellent effect of being able to cover ⁇ cell epitopes in all cedar pollinosis patients that can be induced. Therefore, the agent of the present invention can be useful in a novel desensitization therapy for cedar pollinosis and as a medicament such as Z or a therapeutic vaccine.
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| EP07706682A EP1974750A4 (en) | 2006-01-13 | 2007-01-12 | PREVENTIVE OR THERAPEUTIC PROCEDURES AND METHODS FOR IMMUNOLOGICAL DISEASES |
| US11/817,350 US20120121688A1 (en) | 2006-01-13 | 2007-01-12 | Preventative or therapeutic agent and method for immune disease |
| AU2007205489A AU2007205489A1 (en) | 2006-01-13 | 2007-01-12 | Preventive or therapeutic agent and method for immune disease |
| JP2007534938A JP5191234B2 (ja) | 2006-01-13 | 2007-01-12 | 免疫疾患の予防ないし治療剤および方法 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014030708A1 (ja) | 2012-08-22 | 2014-02-27 | 株式会社レグイミューン | I型糖尿病の予防又は治療のための製剤 |
| WO2014069655A1 (ja) * | 2012-11-05 | 2014-05-08 | 株式会社レグイミューン | 免疫寛容誘導剤 |
| WO2014133106A1 (ja) * | 2013-02-27 | 2014-09-04 | 独立行政法人理化学研究所 | アレルギー疾患治療薬 |
| WO2020045155A1 (ja) | 2018-08-30 | 2020-03-05 | 国立大学法人徳島大学 | 免疫寛容誘導剤及びアレルギー性疾患の治療又は予防剤 |
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| WO2010059253A2 (en) | 2008-11-24 | 2010-05-27 | Massachusets Institute Of Technology | Methods and compositions for localized agent delivery |
| US8747869B2 (en) | 2010-03-19 | 2014-06-10 | Massachusetts Institute Of Technology | Lipid vesicle compositions and methods of use |
| US20110229556A1 (en) * | 2010-03-19 | 2011-09-22 | Massachusetts Institute Of Technology | Lipid-coated polymer particles for immune stimulation |
| US9149432B2 (en) | 2010-03-19 | 2015-10-06 | Massachusetts Institute Of Technology | Lipid vesicle compositions and methods of use |
| JP5875246B2 (ja) * | 2010-12-10 | 2016-03-02 | 日東電工株式会社 | シート状製剤及びシート状製剤の製造方法 |
| CA2925304C (en) | 2013-09-27 | 2023-04-18 | Massachusetts Institute Of Technology | Carrier-free biologically-active protein nanostructures |
| US11034752B2 (en) | 2015-08-12 | 2021-06-15 | Massachusetts Institute Of Technology | Cell surface coupling of nanoparticles |
| CN109715196A (zh) | 2016-06-13 | 2019-05-03 | 转矩医疗股份有限公司 | 用于促进免疫细胞功能的组合物和方法 |
| CN106560217A (zh) * | 2016-08-16 | 2017-04-12 | 璐烘芳 | 应用柳杉花粉构建非人哺乳动物过敏性鼻炎模型的方法 |
| JP7285828B2 (ja) | 2017-09-05 | 2023-06-02 | トルク セラピューティクス, インコーポレイテッド | 治療用タンパク質組成物ならびにその作製および使用方法 |
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| WO2005120574A1 (ja) * | 2004-06-11 | 2005-12-22 | Riken | 調節性細胞リガンドをリポソームに含有させてなる医薬 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014030708A1 (ja) | 2012-08-22 | 2014-02-27 | 株式会社レグイミューン | I型糖尿病の予防又は治療のための製剤 |
| JPWO2014030708A1 (ja) * | 2012-08-22 | 2016-07-28 | 株式会社レグイミューン | I型糖尿病の予防又は治療のための製剤 |
| US9821035B2 (en) | 2012-08-22 | 2017-11-21 | Regimmune Corporation | Preparation for preventing or treating type I diabetes |
| WO2014069655A1 (ja) * | 2012-11-05 | 2014-05-08 | 株式会社レグイミューン | 免疫寛容誘導剤 |
| JPWO2014069655A1 (ja) * | 2012-11-05 | 2016-09-08 | 株式会社レグイミューン | 免疫寛容誘導剤 |
| WO2014133106A1 (ja) * | 2013-02-27 | 2014-09-04 | 独立行政法人理化学研究所 | アレルギー疾患治療薬 |
| WO2020045155A1 (ja) | 2018-08-30 | 2020-03-05 | 国立大学法人徳島大学 | 免疫寛容誘導剤及びアレルギー性疾患の治療又は予防剤 |
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| Publication number | Publication date |
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| JPWO2007080977A1 (ja) | 2009-06-11 |
| KR20080082893A (ko) | 2008-09-12 |
| EP1974750A1 (en) | 2008-10-01 |
| CN101309705A (zh) | 2008-11-19 |
| CA2601803A1 (en) | 2007-07-19 |
| EP1974750A4 (en) | 2010-06-09 |
| AU2007205489A1 (en) | 2007-07-19 |
| US20120121688A1 (en) | 2012-05-17 |
| JP5191234B2 (ja) | 2013-05-08 |
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