WO1999059567A1 - Inhibition de la production d'iga - Google Patents
Inhibition de la production d'iga Download PDFInfo
- Publication number
- WO1999059567A1 WO1999059567A1 PCT/JP1999/002414 JP9902414W WO9959567A1 WO 1999059567 A1 WO1999059567 A1 WO 1999059567A1 JP 9902414 W JP9902414 W JP 9902414W WO 9959567 A1 WO9959567 A1 WO 9959567A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- iga
- dsg
- production
- antibody
- day
- Prior art date
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Classifications
-
- 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
- A61K31/16—Amides, e.g. hydroxamic acids
-
- 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
Definitions
- the present invention relates to the suppression of IgA production, and more particularly, to the selective suppression of IgA production for the prevention and treatment of immune diseases progressing due to excessive IgA antibody production in humans and animals.
- Conventional technology relates to the suppression of IgA production, and more particularly, to the selective suppression of IgA production for the prevention and treatment of immune diseases progressing due to excessive IgA antibody production in humans and animals.
- Antibodies and immunoglobulins which are structurally and functionally related proteins, are classified into five classes (IgA, IgD, IgE, IgM, and IgG) according to their functional properties.
- IgA has two subclasses, serotype IgA and secretory IgA (IgAl and IgA2).
- serotype IgA and secretory IgA IgAl and IgA2
- the light chain of IgA1 is covalently linked to the heavy chain, while the light chain of IgA2 is not bonded to the heavy chain by an S--S bond, but instead of the light chains.
- IgAl accounts for 90% of all serotype IgA
- IgA2 accounts for 60% of the secretory IgA.
- IgA production sites are present in submucosal plasma cells such as the lamina intestinal tract, salivary glands, and mammary glands. In the lamina intestinal tract, IgA-producing cells press the number of IgG-producing cells at about 20: 1, which is contrasted with lymph nodes and spleen at a ratio of 1: 3 (IgA: IgG). It is a target. IgA found in mucus secretions is formed as a dimer with one J-chain component, and secreted fragments found only in small amounts in serotype IgA
- SC secretory piece
- antigens can be more effectively processed by non-specifically stimulating antibody-producing cells.
- substances that have the ability to remove water a property often called an adjuvant.
- cholera toxin a causative toxin of diarrhea produced by Vibrio cholerae, acts on the small intestinal mucosa and changes its ion permeability, causing a large amount of electrolytes and water to be excreted from the small intestine and causing diarrhea.
- cholera toxin B subunit which is a non-toxic component except for the body of the toxin, penetrates into the small intestinal mucosa and stimulates the production of IgA antibodies. A-inducing ability) and is known to act as an adjuvant.
- IgG which accounts for about 65% of immunoglobulin (Ig) in serum in humans, contains immune antibodies against almost all antigens and plays an important role in systemic protective immunity.
- IgA plays an important role in the local immune response.
- Secretory IgA in mucus secretion inhibits the binding of strongly pathogenic microorganisms and allergens to the mucous membranes, thus preventing infection as well as food components that can act as allergens And prevent it from passing through the digestive tract wall.
- host defense by antibodies depends on the direct action of antibodies bound to the surface of the microorganism. Thus, antibodies can exert various effects by directly binding to microorganisms.
- IgA acts pathologically on living organisms.
- IgA nephropathy is an immune disease that develops due to an excessive immune response of IgA to antigens. It is a disease that is caused by deposition on the glomeruli of the gut. It is thought that prolonged high IgA antibody titers are responsible for the onset of nephritis.
- IgA anti-titer in patients with IgA nephropathy is considerably higher than in healthy subjects, but IgA involved in immune complex formation is non-mucosal (spleen, bone marrow, peripheral blood, etc.) It is not clear whether it is of serotype or secretory type from mucous membranes (gastrointestinal tract, respiratory tract, etc.).
- the cause of the immune response is suspected of antigen stimulation mainly in the upper respiratory tract and gastrointestinal tract.
- the candidate antigens are food (gluten, milk, soybean, etc.) and bacteria [Haemophilus parainfluenzas].
- Etc. viruses (Cytomegalovirus, Cytomegalovirus, Adenovirus, Epstein-Barr virus) [Tomino, Y., Bio. Clinica, Vol. 12, No. 6, pp. 375-379 (1997)].
- HP hemophilus no and influenza
- the components of hemophilus no and influenza (HP) in the glomeruli and serum of patients with IgA nephropathy and the presence of IgA type anti-HP antibodies have been demonstrated [Suzuki S. (Suzuki S. , S.), Nakatomi Y., Sato. H., et al., Journal of Allergy and Clinical Immunology.
- anti-platelet drugs such as anti-platelet drugs to suppress glomerular blood coagulation, angiotensin converting enzyme inhibitors and calcium antagonists to suppress blood pressure elevation, and adrenocortical steroids Drugs are used [Sakai, H., Bioclini Force, Vol. 16, pp. 372-374 (1999)].
- DSG 15-deoxyspergualin 15-deoxyspergualin
- a main object of the present invention is to provide a novel means useful for the prevention and treatment of immune diseases that progress due to excessive IgA antibody production in humans and animals.
- the present inventors have found that using an animal experimental model in which IgA is produced in mucosal tissues by antigen stimulation, orally administered DSG is a secretory form of IgA, and further a serum form of IgA. It was confirmed that it had an effect of suppressing production. Even more surprising is the strong systemic immunosuppressive effect seen during parenteral administration of DSG, including intravenous administration, e.g., significant suppression of IgG production at the same level as IgA production. It became clear that no effects were observed. In addition, it was clarified that oral administration of DSG in animals with increased IgA production suppresses IgA preferentially in the inhibitory action of DSG on antibody production.
- DSG or a pharmacologically acceptable salt thereof used for a disease for which it is necessary to selectively inhibit IgA antibody production is more likely to be used for a living body than before. And safe oral administration.
- one embodiment of the present invention is a composition for oral administration to a human or animal, which selectively inhibits IgA production, comprising DSG or a pharmaceutically acceptable salt thereof as an active ingredient.
- Yet another embodiment of the present invention is the use of DSG or a pharmaceutically acceptable salt thereof in the manufacture of a composition for oral administration to humans or animals that selectively inhibits IgA production.
- Another embodiment of the present invention is characterized in that DSG or a pharmaceutically acceptable salt thereof is orally administered to a human or an animal in need of selective suppression of IgA production. It is a method for the selective suppression of IgA production in humans or animals.
- the immune response to an orally ingested antigen is suppressed, and little or no systemic immunosuppression is observed, and the suppression of IgA production is selective. It is. Therefore, the present invention is useful for the prevention and treatment of IgA-related immune diseases including IgA nephropathy.
- selective suppression of IgA production means that IgA antibody production is significantly suppressed, and IgG antibody production and / or delayed hypersensitivity are not significantly suppressed.
- the active ingredient of the composition for oral administration which selectively inhibits IgA production of the present invention may be a pharmacologically acceptable salt of DSG in addition to DSG.
- DSG forms a salt with an acid
- the acid for forming the salt may be an inorganic acid or an organic acid as long as it is pharmacologically acceptable.
- the inorganic acid for example, hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid and the like are preferable.
- Organic acids include, for example, acetic acid, propionic acid, conodic acid, fumaric acid, maleic acid, malic acid, tartaric acid, guanoletanoleic acid, quinic acid, benzenesnolefonic acid, toluenesulfonic acid, methanesulfonic acid, ethanesnolefonic acid , Propanesulfonic acid, aspartic acid, glutamic acid and the like are preferred.
- Gu is a guanidino group
- X. Represents (CH 2 ), — 6 or a phenylene group which may have a substituent or CH 2 C 6 H 4
- A represents CONH or NHCO.
- A is CONH
- X 2 is the residue excluding the amino group and the ⁇ -carboxyl group of one amino acid or the ⁇ -amino group of the ⁇ -amino acid.
- residues having an optically active carbon among the residues derived from Hi- or ⁇ -amino acids are not particularly limited to L-, D- and DL-types.
- Typical specific examples include residues of amino acids such as glycine, ⁇ -hydroxyglycine, hymethoxyglycine, and serine except for the amino group and ⁇ -carboxyl group of amino acids, and] Examples thereof include residues of amino acids such as 3-alanine, ⁇ -aminobutyric acid, ⁇ -aminovaleric acid, and monoaminocaproic acid except for the ⁇ -amino group and the monocarboxyl group.
- X 2 represents a single bond, CH 2 NH, CH 2 O or a substituted or unsubstituted lower alkylene group.
- the lower alkylene group include a methylene group, an ethylene group, and a propylene group.
- substituent include a halogen such as fluorine, chlorine, and bromine, and a lower alkoxy group such as a methoxy group and an ethoxy group. And a hydroxyl group.
- the term "lower" in the substituent means about 1 to 6 carbon atoms, preferably about 1 to 3 carbon atoms.
- X 3 is NH— (CH 2 ) 4 —N (R 01 ) — (CH 2 ) 3 —NH—R. 2 (wherein, R Q1 is hydrogen or ⁇ - off residue obtained by removing the hydroxyl group from the carboxyl group of the phenylglycine, R. 2 is by removing a hydroxyl group Ri by the carboxyl group of hydrogen or an amino acid or peptide residues ), which is a compound that has the same inhibitory effect on IgA production as DSG, or a pharmacologically acceptable salt thereof as described above.
- “15-dexoxyspagarin (DSG)” and pharmacologically acceptable salts thereof include a compound selected from the spargin-related compounds represented by Formula 2 and a drug thereof. Physically acceptable salts are also included.
- the spargin-related compound is a derivative of spagarin isolated from a bacterium belonging to the genus Bacillus, and is known to have antitumor activity, immunopotentiating activity, and immunosuppressive activity depending on the type of derivative (Japanese Patent Application Laid-Open No. 58-62152, JP-A-61-129191, JP-A-64-90164). Further, a method for producing DSG represented by Formula 1 is disclosed in each gazette such as Japanese Patent Publication No. Sho 61-23183.
- the active ingredient of the composition for oral administration of the present invention is produced by the above known method or a method analogous thereto,
- the composition for oral administration of the present invention is prepared by mixing DSG or a pharmacologically acceptable salt thereof alone or in combination with an excipient or carrier by a method known per se.
- DSG may be an active stereoisomer or a racemate.
- liquid carriers include animal and vegetable oils such as water, alcohols or soybean oil, peanut oil, sesame oil, and mineral oil, or synthetic oils. Oil is used.
- Solid carriers include lactose, maltose, sucrose and other sugars, amino acids, cellulose derivatives such as hydroxycellulose, organic acid salts such as magnesium stearate, dextran, dextran sulfate, chondroitin sulfate, heparin, gelatin, etc. Is used. Using these solid carriers or liquid carriers, tablets, capsules, powders, granules, liquids, dry syrups, microsphere preparations and other oral dosage forms can be prepared. Single dose dosage forms are preferred.
- composition of the present invention may be added with an acid or an alkali or an appropriate amount of a buffer for the purpose of pH adjustment or the like.
- a surface active agent such as sodium laurate or glycocholic acid is added to the orally administered fiber composition of the present invention. It is desirable to add an agent or ⁇ -cyclodextrin. It is also desirable to use a biodegradable lactic acid polymer, a lactic acid-glycolic acid copolymer, or the like to make a microsphere preparation in order to promote uptake from the gastrointestinal mucosa and enhance absorbability.
- the content of DSG or a pharmacologically acceptable salt thereof in the composition for oral administration of the present invention varies depending on the dosage form, but is usually 0.1 to 100% by weight, preferably 0.1 to 100% by weight.
- tablets, capsules, powders, and granules contain 5 to 100% by weight, preferably 25 to 98% by weight, of active ingredient.
- the method for the selective inhibition of Ig ⁇ production according to the present invention is directed to a method for selectively inhibiting DSA or a pharmacologically acceptable salt thereof in humans or animals in need of selective inhibition of IgA production. Is orally administered.
- the dose is determined according to the age, weight, symptoms, treatment purpose, etc. of the target human or animal, for example, pets such as dogs and cats, and mammals including livestock.
- the therapeutic dose is 0.0 l to 5 mg / kg'd orally, or in humans, the daily dose should be 3 to 300 mg per adult (65 kg body weight). It is preferred to administer. More preferably, it is administered at a dose that does not significantly inhibit at least IgG production.
- the composition for oral administration of the present invention has a feature of significantly inhibiting IgA production even at least at a dose that does not significantly inhibit IgG production.
- the mucosal immunization is performed by orally administering the antigen, and the IgA production of the composition for oral administration of the present invention is performed using an experimental model that produces mucosal type IgA and serotype IgA.
- the selective suppression effect can be confirmed.
- mucosal immunization has already been carried out with foreign antigens ingested orally, such as food, and IgA is produced. Therefore, the composition for oral administration of the present invention exhibits a selective inhibitory effect on mucosal IgA and serotype IgA production against orally inoculated antigens in humans or livestock as in the experimental model.
- diseases caused by viscous IgA and Z or serotype IgA include, for example, IgA nephropathy, and the oral preparation of the present invention is useful for treating IgA nephropathy. It is.
- the present invention will be described more specifically with reference to examples, but the present invention is not limited to these examples.
- Each of the DSGs used in the following examples is represented by the above formula 1.
- a cholera toxin solution and a DSG solution were prepared. Cholera toxin solutions were dissolved cholera toxin [sigma (SI GMA) Co.] 0 ⁇ 2M NaHC0 3 to 5 0 ⁇ g Zm 1 and so as.
- the DSG solution was prepared by dissolving DSG (freeze-dried powder manufactured by Takara Shuzo Co., Ltd.) in physiological saline at 5 mgZm1 and 1.25 mg / m1.
- each cholera toxin solution was added to three groups of C57BL / 6 mice (7 weeks old, female, (5 animals per group) were orally administered twice in 0.2 ml each (day 0 and day 7).
- the number of days in the examples is calculated from the day when cholera toxin was first administered as day 0. 5 mg Zm 1 DSG solution, 1.25 mg / m 1 DSG solution or physiological saline 0.2 ml / time, once a day, orally 5 times from day 7 to day 1 to 3 groups of mice was administered.
- the oral dose of DSG in each group is 5 Omg / kg, 12.5 mg / kg, and Omg / kg, respectively.
- feces were collected from each group of mice, and Q.
- the antibody in 1 g of feces was extracted with 1 ml of phosphate buffered saline (PBS).
- PBS phosphate buffered saline
- the extract is referred to as a fecal antibody extract.
- the feces on day 7 were collected before DSG administration.
- the Ig A antibody titer in the fecal antibody extract was measured by ELISA.
- Solid phase in ELISA methods 0. 2M N a HC_ ⁇ 3 to 10 ⁇ g / m 1 and so as cholera toxin solution Imuno 'module dissolved [Nunc (Nunc) Ne ⁇ ] was added by 50 ⁇ 1, 4 ° C was left for 16 hours to obtain a product coated with cholera toxin.
- the solid phase was blocked with a BSA solution of 1% (W / V) of serum albumin (manufactured by Sigma) dissolved in PBS, and 50 ⁇ l of each feces antibody extract was added.
- Table 1 shows the results.
- the increase in secretory IgA antibody production means the difference in IgA production between days 7 and 14, and the OD obtained using the fecal antibody extract on day 14 OD 4 obtained using fecal antibody extract on day 7 from ⁇ value. The difference between the five values (mean standard deviation) is shown.
- the antibody production-suppressing effect of orally administered DSG was determined by the anti-cholera toxin Ig A antibody titer in feces and anti-cholera toxin Ig A antibody titer in blood and anti-cholera toxin IgG in mice fed cholera toxin orally. It was confirmed by measuring the antibody titer. Cholera toxin was orally administered to 5 groups of C57BLZ6 mice (7 weeks old, female, 5 mice per group) in the same manner as in Example 1.
- mice Three groups of cholera toxin-administered mice in which three types of DSG solutions or saline in which DSG was dissolved in saline at 5 mg / ml, 1.25 mg Zm1, or 0.313 mg / m1, respectively, were administered Were orally administered 0.2 ml each, once a day, and 10 times from day 7 to day 17 except day 13.
- the oral dose of DSG for each group was 5 OmgZkg, 12.5 mg / kg, 3.13 mgZkg, and 0 mgZkg.
- DSG solution was injected intraperitoneally with 0.2 ml l times from day 7 once a day, excluding day 13, up to day 7 except day 13.
- the intraperitoneal dose of DSG is 3.13 mg / kg.
- feces were collected from each group of mice, and 0.1 lg of the antibody in feces was extracted with 1 ml of PBS.
- the extract is referred to as a fecal antibody extract.
- the feces on day 7 were collected before DSG administration.
- Ig A antibody titers to cholera toxin in fecal antibody extracts and blood antibody samples were measured by ELISA. The measurement was performed in the same manner as in Example 1. In addition, blood antibody Using the sample, the amount of IgG produced in the blood against cholera toxin was confirmed at the same time. The antibody titer was measured by the ELISA method, and the solid phase used for the measurement was the same as the solid phase used for the IgA antibody titer measurement by the ELISA method in Example 1. Next, the solid phase was blocked with a BSA solution in the same manner as in Example 1, 50 ⁇ l of each antibody sample was added, and the mixture was reacted at 37 ° C. for 1 hour.
- Table 2 shows the results. Table 2 refers to various antibody production amount difference between day 7 and day 18, 1 on day 8 of feces antibody extract or OD. W5 value than 7 days Kusoko cell extract of the blood antibody sample Or OD 4 obtained using a blood antibody sample. The difference between the five values (average soil standard deviation) is shown.
- Example 2 Manufactured by Sigma was mixed with complete Freund's adjuvant at 200 ⁇ g / ml.
- the DSG solution was prepared by dissolving DSG in physiological saline to a concentration of 5 mgZm1, 1.25 mg / m1, or 0.313 mg / m1.
- the ovalbumin suspension was applied to C5 7 B LZ6 mice (7-week-old, female, 5 mice / group) twice in three groups, 0.1 ml each (day 0 and day 14). It was administered subcutaneously.
- the number of days in the examples is calculated starting from the day when the first dose of ovalbumin was administered as the 0th day.
- the above-mentioned DSG solution or physiological saline was orally administered to three groups of mice receiving ovalbumin, 0.2 times each, once a day, 10 times from day 24 to day 24 except day 20.
- the oral dose of DSG in each group was 50 mg / kg, 12.5 mg / kg, and Omg / kg, respectively.
- feces were collected from each group of mice, and 0.1 lg of the antibody in feces was extracted with 1 ml of PBS.
- the extract is referred to as a fecal antibody extract.
- the feces on the 14th day were collected before DSG administration.
- mice in each group blood was partially collected from the orbital venous plexus on the 14th day under ether anesthesia, and whole blood was collected on the 25th day, and serum was separated from the obtained blood.
- the obtained serum was diluted 50-fold and 250-fold.
- the diluted solution is referred to as a blood antibody sample. Blood collection on the 14th day was performed before DSG administration.
- the antibody titer against ovalbumin in the fecal antibody extract and the blood antibody sample was measured by the ELISA method.
- the measurement was carried out in the same manner as in the ELISA method in Example 2 except that the antigen used for the solid phase was changed from cholera toxin to ovabubumin.
- Table 3 shows the results of changes in the amount of blood IgG antibody produced. Table 3 shows the difference in the amount of each antibody produced between the 14th day and the 25th day. OD 4 obtained using a 25-day blood antibody sample diluted 250-fold from the 5- value. 5 value of the difference (mean ⁇ standard deviation), Ru c
- ⁇ ⁇ ⁇ ⁇ indicates the DSG oral administration group and i.p. indicates the DSG intraperitoneal administration group.
- DSG 50 parts by weight of DSG, 600 parts by weight of lactose, 330 parts by weight of crystalline cellulose and 20 parts by weight of hydroxypropyl cellulose are mixed well and compressed using a wool-type compressor (registered trademark of Mouth Color Compactor 1). It was crushed and sieved so as to be between 16 mesh and 60 mesh to obtain granules.
- a wool-type compressor registered trademark of Mouth Color Compactor 1
- the oral preparation containing DSG of the present invention or a pharmacologically acceptable salt thereof suppresses an immune reaction against an orally ingested antigen, in particular, production of IgA antibody. Little or no inhibitory effect. Therefore, the oral preparation containing DSG of the present invention or a pharmacologically acceptable salt thereof can be used for the treatment and prevention of IgA-related immune diseases such as IgA nephropathy. In monkey.
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Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU37286/99A AU3728699A (en) | 1998-05-15 | 1999-05-11 | Inhibition of iga production |
AT99919525T ATE290374T1 (de) | 1998-05-15 | 1999-05-11 | Iga produktionsinhibitoren |
EP99919525A EP1080723B1 (en) | 1998-05-15 | 1999-05-11 | INHIBITION OF IgA PRODUCTION |
DE69924105T DE69924105T2 (de) | 1998-05-15 | 1999-05-11 | Iga produktionsinhibitoren |
US09/646,350 US6294581B1 (en) | 1998-05-15 | 1999-05-11 | Inhibition of IgA production |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/150754 | 1998-05-15 | ||
JP15075498 | 1998-05-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999059567A1 true WO1999059567A1 (fr) | 1999-11-25 |
Family
ID=15503696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/002414 WO1999059567A1 (fr) | 1998-05-15 | 1999-05-11 | Inhibition de la production d'iga |
Country Status (8)
Country | Link |
---|---|
US (2) | US6294581B1 (ja) |
EP (1) | EP1080723B1 (ja) |
KR (1) | KR100569082B1 (ja) |
CN (1) | CN1170529C (ja) |
AT (1) | ATE290374T1 (ja) |
AU (1) | AU3728699A (ja) |
DE (1) | DE69924105T2 (ja) |
WO (1) | WO1999059567A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018070524A1 (ja) * | 2016-10-14 | 2018-04-19 | 潤平 笹部 | 血中のIgAの産生抑制剤又は血中の過剰IgAに起因する疾患の予防又は治療剤をスクリーニングする方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4262726B2 (ja) | 2005-08-24 | 2009-05-13 | 任天堂株式会社 | ゲームコントローラおよびゲームシステム |
JP7287665B2 (ja) * | 2019-06-24 | 2023-06-06 | 国立研究開発法人農業・食品産業技術総合研究機構 | 試験物質の、加齢に伴う粘膜免疫機能の低下を抑制する機能の評価方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3626306A1 (de) * | 1986-08-02 | 1988-02-11 | Behringwerke Ag | Verwendung von 15-deoxyspergualin als arzneimittel |
JP3064027B2 (ja) * | 1991-03-12 | 2000-07-12 | 財団法人微生物化学研究会 | 血管新生阻害剤 |
AU660504B2 (en) * | 1991-11-07 | 1995-06-29 | Monash Medical Centre | Treatment of nephritis |
DE59504374D1 (de) * | 1994-03-22 | 1999-01-14 | Nippon Kayaku Kk | Verwendung von Deoxyspergualin zur Herstellung eines Arzneimittels zur Behandlung von entzündlich-hyperreaktiven Erkrankungen |
-
1999
- 1999-05-11 US US09/646,350 patent/US6294581B1/en not_active Expired - Fee Related
- 1999-05-11 WO PCT/JP1999/002414 patent/WO1999059567A1/ja active IP Right Grant
- 1999-05-11 AT AT99919525T patent/ATE290374T1/de not_active IP Right Cessation
- 1999-05-11 AU AU37286/99A patent/AU3728699A/en not_active Abandoned
- 1999-05-11 DE DE69924105T patent/DE69924105T2/de not_active Expired - Fee Related
- 1999-05-11 KR KR1020007009462A patent/KR100569082B1/ko not_active IP Right Cessation
- 1999-05-11 CN CNB998062030A patent/CN1170529C/zh not_active Expired - Fee Related
- 1999-05-11 EP EP99919525A patent/EP1080723B1/en not_active Expired - Lifetime
-
2001
- 2001-06-26 US US09/888,428 patent/US20010049392A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
XP002925522 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018070524A1 (ja) * | 2016-10-14 | 2018-04-19 | 潤平 笹部 | 血中のIgAの産生抑制剤又は血中の過剰IgAに起因する疾患の予防又は治療剤をスクリーニングする方法 |
JPWO2018070524A1 (ja) * | 2016-10-14 | 2019-11-14 | 潤平 笹部 | 血中のIgAの産生抑制剤又は血中の過剰IgAに起因する疾患の予防又は治療剤をスクリーニングする方法 |
Also Published As
Publication number | Publication date |
---|---|
AU3728699A (en) | 1999-12-06 |
EP1080723A4 (en) | 2003-07-30 |
CN1301153A (zh) | 2001-06-27 |
EP1080723A1 (en) | 2001-03-07 |
US6294581B1 (en) | 2001-09-25 |
US20010049392A1 (en) | 2001-12-06 |
DE69924105T2 (de) | 2006-04-13 |
EP1080723B1 (en) | 2005-03-09 |
KR100569082B1 (ko) | 2006-04-10 |
DE69924105D1 (de) | 2005-04-14 |
KR20010041348A (ko) | 2001-05-15 |
CN1170529C (zh) | 2004-10-13 |
ATE290374T1 (de) | 2005-03-15 |
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