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价格:电议
所在地:上海
型号:货号CYT-318
更新时间:2012-11-04
浏览次数:1160
公司地址:上海市莲花南路1108弄
林小姐(女士)
上海亚培生物科技有限公司,是一家专注于生命科学和生物技术领域的高科技企业,专业提供分子生物学、免疫学、生命科学基础研究以及临床检测等诸多领域的试剂、耗材、仪器等各类产品及生物技术服务。 公司一方面注意跟踪世界范围分子生物学、细胞生物学等生物学科的发展前沿,努力将欧美专业生产厂家的具有国际先进水平的产品推荐给各类研究人员;另一方面也非常重视自主产品研究和开发,推出了一系列具有竞争力的产品和服务。公司客户遍布大学、研究所、医院、卫生防疫、商品检验检疫、制药公司、生物技术公司和食品工业等单位。 公司在重视产品质量的同时,也建立了一套集技术支持、物流、售后服务等多个部门的全方位的服务体系,努力把我们方便、快捷、周到的服务提供给每一个客户。我们的目标是让亚培成为在生命科学和生物技术领域内集生产、研究开发和销售于一体的国内外知名的一流企业每一个亚培人,都心存一个信念:希望通过自身的不懈努力,通过我们优秀的产品、专业的服务来更好的服务用户,为我们每一个用户的成功铺路搭桥,也为亚培的成功铺路搭桥!
Catalogue Number | CYT-318 | |||
Synonyms | PBEF, Pre-B cell colony-enhancing factor, Nicotinamide phosphoribosyltransferase NAmPRTase, Nampt, MGC117256, DKFZP666B131, 1110035O14Rik. | |||
Introduction | Excess adiposity is the most Visfatin exerts insulin-mimetic effects that are dose-dependent and quantitatively similar to those of insulin in stimulating muscle and adipocyte glucose transport, and in inhibiting hepatocyte glucose production. Intravenous injection of recombinant visfatin in mice decreased plasma glucose in a dose-dependent fashion. In keeping with its insulin-mimetic effects, visfatin was as effective as insulin in reducing hyperglycemia in insulin-deficient diabetic mice. Visfatin was also found to be bound to and activate insulin receptor, causing receptor phosphorylation and the activation of downstream signaling molecules. However, visfatin and insulin did not compete for binding to the insulin receptor, indicating that the two proteins were recognized by different regions of the receptor. Thus, visfatin might play a role in glucose homeostasis and dysregulation in biosynthesis or signal transduction, and might contribute to the pathogenesis of diabetes. |
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De |
Visfatin Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 348 amino acids and having 11 N-terminal flag tag The total molecular mass is 39.6 kDa (calculated). The amino acid sequence of the recombinant human Visfatin is 100% homologous to the amino acid sequence Pro27-Glu363 of the human Visfatin. The Visfatin is purified by Flag-affinity chromatography. |
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Source | Escherichia Coli. | |||
Physical Appearance | White lyophilized (freeze-dried) powder. | |||
Formulation | Filtered (0.4 µm) and lyophilized from 0.5 mg/ml in 20mM Tris, 20mM NaCl, pH 7.5. | |||
Solubility | Add 20mM Tris, 20mM NaCl, pH 7.5 to prepare a working stock solution of approximately 0.5 mg/mL and let the lyophilized pellet dissolve completely. Product is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture. | |||
Stability | Lyophilized Visfatin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Visfatin should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles. |
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Purity | Greater than 95.0% as determined by SDS-PAGE. | |||
Amino acid sequence | MDYKDDDDKA SPPNTSKVYS YFECREKKTE NSKLRKVKYE ETVFYGLQYI LNKYLKGKVV TKEKIQEAKD VYKEHFQDDV FNEKGWNYIL EKYDGHLPIE IKAVPEGFVI PRGNVLFTVE NTDPECYWLT NWIETILVQS WYPITVATNS REQKKILAKY LLETSGNLDG LEYKLHDFGY RGVSSQETAG IGASAHLVNF KGTDTVAGLA LIKKYYGTKD PVPGYSVPAA EHSTITAWGK DHEKDAFEHI VTQFSSVPVS VVSDSYDIYN ACEKIWGEDL RHLIVSRSTQ APLIIRPDSG NPLDTVLKVL EILGKKFPVT ENSKGYKLLP PYLRVIQGDG VDINTLQE. | |||
Applications | Western Blot. | |||
Usage | ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals. | |||
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