WO2000016795A1 - Preventives and/or remedies for obesity - Google Patents
Preventives and/or remedies for obesity Download PDFInfo
- Publication number
- WO2000016795A1 WO2000016795A1 PCT/JP1999/005080 JP9905080W WO0016795A1 WO 2000016795 A1 WO2000016795 A1 WO 2000016795A1 JP 9905080 W JP9905080 W JP 9905080W WO 0016795 A1 WO0016795 A1 WO 0016795A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cells
- obesity
- stanniocalcin
- adipocytes
- preventives
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/22—Hormones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/04—Anorexiants; Antiobesity agents
Definitions
- the present invention relates to a novel agent for preventing and / or treating obesity.
- the preparation of the present invention has an excellent preventive and / or therapeutic effect on obesity and is useful as a medicament.
- Obesity is one of the risk factors, such as diabetes, hypertension and heart disease, and threatens the health of people in developed countries.
- Obesity is a physical condition in which adipose tissue accumulates more than normal.
- Adipose tissue is a special organ that stores excess energy in the body as fat, i.e., triglycerides, and is derived from fat cells, fibroblasts including their precursor cells, macrophages, perivascular cells, blood cells, etc. It is configured.
- Adipocytes are said to occupy 1Z3 to 2Z3 of the cells present in adipose tissue, and accumulate fat, that is, triglyceride, in the cells.
- Adipocytes include mesenchymal pluripotent stem cells, lipoblasts that have acquired the base of adipocytes, preadipocytes that have no adipocytes but have adipocyte early markers, and adipocytes It is said that immature adipocytes and mature adipocytes with a large amount of accumulated fat differentiate and mature. In a living body of a mildly obese adult, the amount of fat accumulated in individual fat cells, that is, triglyceride, is increased and the cells are enlarged. As the degree of obesity increases, so does the number of fat cells.
- adipocyte differentiation in vivo is positively or negatively controlled by many factors derived from environmental factors such as food intake and exercise.
- Tumor necrosis factor-1 As a cytokine that suppresses the differentiation of preadipocytes into adipocytes, Tumor necrosis factor-1; (TNF-: Torti FM et al., Science, Vol.
- Cytokines such as C. M. et al., Cell, Vol. 73, p725 (1993) have been reported.
- a recently cloned 0b gene translation protein, lebutin reduces food intake and adipose tissue weight, possibly via the central nervous system.
- Redox American Home Products
- Meridia Korean Home Products
- Xenical Xenical
- the therapeutic methods using these drugs are not always satisfactory in their effects and therapeutic results, and there has been a demand for the development of new therapeutic agents that are more effective and have fewer side effects.
- an object of the present invention is to provide a prophylactic and / or therapeutic agent for obesity comprising a novel substance as an active ingredient.
- the present invention relates to an agent for preventing and / or treating obesity, comprising stanniocalcin as an active ingredient.
- the formulation of the present invention has excellent preventive and Z or therapeutic effects on obesity and is useful as a medicine.
- Stanniocalcin was first discovered in fish and later found to be present in mammals, including humans. Then, cDNA of human fetal embryo was isolated by genetic engineering based on the structural similarity. Humanstanniocalcin can be obtained by expressing the obtained cDNA in various cells using genetic engineering techniques. It is known that administration of suunniocalcin to fish reduces the amount of calcium in the body, and that administration to rats decreases the excretion of phosphate into urine (Pro Natl. Aca. Sci. USA., 93, 1792 (1996)). It is not known that stanniocalcin has an excellent preventive and therapeutic effect on obesity.
- Stanniocalcin an active ingredient of the present invention, can be obtained by the method of 01sen HS et al. (Proc. Natl. Acad. Sci. USA, vol. 93, pl792 (1996)).
- the cDNA sequence of stanniocalcin can be known by searching the above-mentioned literature or gene bank, etc., and based on the sequence information, the cDNA of stanniocalcin can be obtained by PCR or the like. be able to.
- the expression vector containing the obtained cDNA is transfected into animal cells or the like to obtain stanniocalcin-expressing cells.
- Stanniocalcin can be obtained by purifying from a culture solution obtained by culturing the obtained stanniocalcin-expressing cells by a conventional method. Adipocyte formation inhibitory activity was determined by the method of Kodama H. et al. (Journal of Cellular Physiology, Vol. 112, p83 (1982)), ie, using dexamethasone as a mouse preadipocyte cell line as a target cell. The suppression of adipocyte formation in the presence can be confirmed by evaluating the suppression of triglyceride accumulation. Stanniocalcin, an active ingredient of the present invention, is safely administered to humans and animals as a pharmaceutical composition for the purpose of preventing and / or treating obesity.
- Stanniocalcin can be formulated and administered orally or parenterally.
- examples of the form of the pharmaceutical composition include an injection composition, an infusion composition, a suppository, a nasal preparation, a sublingual preparation, a transdermal absorption agent and the like.
- These preparations can be prepared according to known pharmaceutical manufacturing methods by using pharmacologically acceptable carriers, excipients, stabilizers, coloring agents, surfactants, and other additives. It can be used as a preparation.
- an injectable composition a mixture with a pharmacologically effective amount of stanniocalcin, which is an active ingredient of the present invention, and a pharmaceutically acceptable excipient Z activator is used.
- Excipients generally added to injectable compositions such as sugars, cellulose derivatives, and other organic / "inorganic compounds" may be used. If necessary, PH adjusters, buffers, Various injections can be prepared by a conventional method by adding a stabilizer, a solubilizing agent, and the like.
- the dose is usually 10 g to 10 mg per kg of adult body weight divided orally or parenterally several times a day.
- a particularly preferred mode of administration is intravenous.
- PCR was performed under the following conditions. After pretreatment at 95 ° C for 3 minutes, a three-step reaction consisting of 95 ° C for 30 seconds, 55 ° C for 30 seconds, and 72 ° C for 2 minutes was repeated 30 times, followed by incubation at 70 ° C for 5 minutes . A part of the reaction solution was subjected to agarose electrophoresis, and it was confirmed that a uniform DNA fragment of about 900 bp was obtained. This fragment was sequenced by a conventional method, and it was confirmed that cDNA encoding stanniocalcin was obtained. The cDNA sequence is shown in SEQ ID NO: 3 and the amino acid sequence is shown in SEQ ID NO: 4.
- the obtained DNA fragment of about 900 bp was purified using QIAEXII DNA extraction kit (QIAGEN). This DNA fragment was digested with restriction enzymes Xhol and Nhel (Takara Shuzo) and purified with QIAEXII DNA extraction kit (STC Xhol-Nhel fragment). The STC Xhol-Nhel fragment was ligated to pCEP4 (Invitrogen) cut with restriction enzymes Xhol and Nhel using ligation kit ver.2 (Takara Shuzo) to obtain plasmid pCEPSTC. This plasmid contains DNA encoding stanniocalcin.
- Escherichia coli (DH5a; Gibco BRL) containing this plasmid was designated as DH5a / pCEP-STC. 1999 11 May 1-3 Tsukuba Higashi, Ibaraki Pref. Japan (Postal code 305-8566) Ministry of International Trade and Industry, National Institute of Advanced Industrial Science and Technology, Accession No. FERM BP-6736 Has been deposited. In addition, it was confirmed by DNA sequencing that there was no erroneous incorporation of bases during DNA synthesis into the PCR-derived DNA portion.
- Example 11 Escherichia coli DH5 harboring pCEPSTC obtained in 1ii) was mixed with 2 ml of Teriffic Broth (Life Technologies) containing 50 g / ml ampicillin (Sigma) and 4.7% glycerol. The cells were cultured at 37 ° C with shaking, and the plasmid DNA was purified from the cells using a QIAWELL kit (QIAGEN). 293-EBNA cells (Invitrogen) were seeded on each well of a 24-well plate in IMDM (Life Technologies, Inc.) containing 10% fetal calf serum at a concentration of 2 ⁇ 10 5 / ⁇ ⁇ / ml, and incubated at 37 ° C.
- IMDM Life Technologies, Inc.
- pCEPSTC or pCEP4 was transfected into 293-EBNA cells using Fugene6 (Behringer-Mannheim). DNA was used in an amount of 0.5 ⁇ g each, and Fugene 6 was used in an amount of 1 ⁇ l. After transflector We transfection, 3 days at 37 ° C (0 2 Inkyu base Isseki one (5% CO,) were cultured in. The obtained culture adipogenesis inhibitory activity was measured by the following method.
- Adipocyte formation inhibitory activity was measured by the following method according to the method of odama H. et al. (Journal of Cellular Physiology, Vol. 112, p83 (1982)). That is, the mouse preadipocyte cell line MC3T3-G2 / PA6 cells (RIKEN GENE BANK, RCB1127) were used as target cells, and the formation of adipocytes in the presence of dexamethasone was tested using triglyceride accumulation as an index. The inhibitory activity was measured.
- microplate containing 10% fetal bovine serum-culture solution obtained from a sample diluted with MEM (Gibco BRL) (Example 1-iii), culture solution of cells into which only vector was introduced, and 293- EBNA cell only culture medium) Add 50/1, and add 3 x 10 3 mouse preadipocyte cell lines MC3T3-G2 / PA6 cells containing 50 1 2 x 10 7 M dexamethasone and 10% fetal bovine serum -Suspended in MEM It was seeded with, and cultured for one week at 5% C0 2, 37 ° C , 100% humidity.
- the culture medium After 7 days of culture, the culture medium is removed by suction, diluted with air, air-dried, and the triglyceride accumulated in fat cells is measured using a triglyceride measurement kit (Triglyceride G—Test Co., Code No. 274-69802, Wako Pure Chemical Industries, Ltd.) Was used for the measurement.
- a triglyceride measurement kit Teriglyceride G—Test Co., Code No. 274-69802, Wako Pure Chemical Industries, Ltd.
- Table 1 As a result, it was confirmed that stanniocalcin in the obtained culture solution had an adipocyte formation inhibitory activity.
- mice preadipocyte cell line 3T3-L1 cells (ATCC Depositary Accession No.CL173) as target cells, the formation of adipocytes in the presence of dexamethasone and 1-methyl-3-isobutylxanthine is indicated by triglyceride accumulation
- the adipocyte formation inhibitory activity was evaluated by measuring the inhibitory activity.
- Example 2 diluted with ⁇ - ⁇ (Gibco BRL) containing 10% fetal bovine serum was placed in a 96-well microphone plate, and mouse preadipocyte cell line 3 ⁇ 3-LI cells 5 ⁇ 10 4 three of 50 ⁇ 1 X 10- 7 ⁇ dexamethasone, 2 X 10- 5 Micromax 1-methyl - seeded suspended in 3 Isobuchirukisan Chin and carry one MEM containing 1 0% fetal calf serum, 5 % C0 2, 37 ° C, and one week cultured in 100% humidity.
- ⁇ - ⁇ Gibco BRL
- Example 1 1 mg of stanniocalcin obtained in Example 1 and 50 mg of human serum albumin were dissolved in 100 ml of 0.01 M phosphate buffer (PBS, pH 7.0), and after sterilization, dispensed 2 ml into vials. The lyophilized product was lyophilized and sealed.
- PBS phosphate buffer
- Example 1 50 mg of stanniocalcin, 80 lmg of Tween, and 50 mg of human serum albumin obtained in Example 1 were dissolved in 100 ml of 0.01M phosphate buffer (PBS, pH 7.0), and sterilized vials. The 5 ml aliquots were lyophilized and sealed afterwards.
- PBS phosphate buffer
- Example 1 100 mg of stanniocalcin obtained in Example 1, 50 mg of human serum albumin, and 4 g of sorbitol were dissolved in 20 ml of 0.01 M phosphate buffer (PBS, pH 7.0), sterilized, and then 2 ml in a vial bottle. Each one was freeze-dried and sealed.
- PBS phosphate buffer
- a novel agent for preventing and / or treating obesity containing stanniocalcin as an active ingredient is provided.
- the preparation of the present invention has excellent preventive and Z or therapeutic effects on obesity and is useful as a medicament.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Immunology (AREA)
- Epidemiology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Gastroenterology & Hepatology (AREA)
- Zoology (AREA)
- Endocrinology (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hematology (AREA)
- Obesity (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Child & Adolescent Psychology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Diabetes (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Lubricants (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Seal Device For Vehicle (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU56532/99A AU759409B2 (en) | 1998-09-17 | 1999-09-17 | Preventives and/or remedies for obesity |
| CA002342834A CA2342834A1 (en) | 1998-09-17 | 1999-09-17 | Preventive and/or therapeutic for obesity |
| DE69928685T DE69928685T2 (de) | 1998-09-17 | 1999-09-17 | Heilmittel und/oder vorbeugungsmittel gegen fettleibigkeit |
| EP99943391A EP1121936B1 (en) | 1998-09-17 | 1999-09-17 | Preventives and/or remedies for obesity |
| AT99943391T ATE311197T1 (de) | 1998-09-17 | 1999-09-17 | Heilmittel und/oder vorbeugungsmittel gegen fettleibigkeit |
| US09/787,397 US6815417B1 (en) | 1998-09-17 | 1999-09-17 | Method for treating obesity and for inhibiting adipocyte activity |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26300498 | 1998-09-17 | ||
| JP10/263004 | 1998-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2000016795A1 true WO2000016795A1 (en) | 2000-03-30 |
Family
ID=17383564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1999/005080 Ceased WO2000016795A1 (en) | 1998-09-17 | 1999-09-17 | Preventives and/or remedies for obesity |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6815417B1 (ja) |
| EP (1) | EP1121936B1 (ja) |
| AT (1) | ATE311197T1 (ja) |
| AU (1) | AU759409B2 (ja) |
| CA (1) | CA2342834A1 (ja) |
| DE (1) | DE69928685T2 (ja) |
| WO (1) | WO2000016795A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6902890B1 (en) | 1999-11-04 | 2005-06-07 | Diadexus, Inc. | Method of diagnosing monitoring, staging, imaging and treating cancer |
| WO2009093864A3 (ko) * | 2008-01-25 | 2009-10-22 | 주식회사 리제론 | 뇌질환의 예방 또는 치료용 조성물 |
| WO2013008681A1 (ja) | 2011-07-09 | 2013-01-17 | 国立大学法人東北大学 | 線維症予防又は治療用医薬組成物 |
| US8569240B2 (en) | 2008-01-25 | 2013-10-29 | Regeron, Inc. | Methods of preventing or treating brain diseases |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995024411A1 (en) * | 1994-03-08 | 1995-09-14 | Human Genome Sciences, Inc. | Corpuscles of stannius protein, stanniocalcin |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988003949A1 (en) * | 1986-11-21 | 1988-06-02 | Howard Florey Institute Of Experimental Physiology | The cs protein of the corpuscles of stannius |
-
1999
- 1999-09-17 EP EP99943391A patent/EP1121936B1/en not_active Expired - Lifetime
- 1999-09-17 DE DE69928685T patent/DE69928685T2/de not_active Expired - Fee Related
- 1999-09-17 CA CA002342834A patent/CA2342834A1/en not_active Abandoned
- 1999-09-17 AU AU56532/99A patent/AU759409B2/en not_active Ceased
- 1999-09-17 AT AT99943391T patent/ATE311197T1/de not_active IP Right Cessation
- 1999-09-17 WO PCT/JP1999/005080 patent/WO2000016795A1/ja not_active Ceased
- 1999-09-17 US US09/787,397 patent/US6815417B1/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995024411A1 (en) * | 1994-03-08 | 1995-09-14 | Human Genome Sciences, Inc. | Corpuscles of stannius protein, stanniocalcin |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6902890B1 (en) | 1999-11-04 | 2005-06-07 | Diadexus, Inc. | Method of diagnosing monitoring, staging, imaging and treating cancer |
| US7326402B2 (en) | 1999-11-04 | 2008-02-05 | Diadexus, Inc. | Method of diagnosing, monitoring, staging, imaging and treating cancer |
| WO2009093864A3 (ko) * | 2008-01-25 | 2009-10-22 | 주식회사 리제론 | 뇌질환의 예방 또는 치료용 조성물 |
| US8569240B2 (en) | 2008-01-25 | 2013-10-29 | Regeron, Inc. | Methods of preventing or treating brain diseases |
| WO2013008681A1 (ja) | 2011-07-09 | 2013-01-17 | 国立大学法人東北大学 | 線維症予防又は治療用医薬組成物 |
| US9060988B2 (en) | 2011-07-09 | 2015-06-23 | Tohoku University | Method for treating pulmonary fibrosis using a pharmaceutical composition containing stanniocalcin 1 (STC1) |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE311197T1 (de) | 2005-12-15 |
| AU5653299A (en) | 2000-04-10 |
| DE69928685D1 (de) | 2006-01-05 |
| US6815417B1 (en) | 2004-11-09 |
| EP1121936A1 (en) | 2001-08-08 |
| DE69928685T2 (de) | 2006-08-24 |
| EP1121936A4 (en) | 2004-11-17 |
| AU759409B2 (en) | 2003-04-17 |
| EP1121936B1 (en) | 2005-11-30 |
| CA2342834A1 (en) | 2000-03-30 |
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