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價(jià)格：電議
所在地：上海
型號(hào)：貨號(hào)CYT-318
更新時(shí)間：2012-11-04
瀏覽次數(shù)：1277
公司地址：上海市蓮花南路1108弄
林小姐(女士)
上海亞培生物科技有限公司，是一家專注于生命科學(xué)和生物技術(shù)領(lǐng)域的高科技企業(yè)，專業(yè)提供分子生物學(xué)、免疫學(xué)、生命科學(xué)基礎(chǔ)研究以及臨床檢測(cè)等諸多領(lǐng)域的試劑、耗材、儀器等各類產(chǎn)品及生物技術(shù)服務(wù)。 公司一方面注意跟蹤世界范圍分子生物學(xué)、細(xì)胞生物學(xué)等生物學(xué)科的發(fā)展前沿，努力將歐美專業(yè)生產(chǎn)廠家的具有國(guó)際先進(jìn)水平的產(chǎn)品推薦給各類研究人員；另一方面也非常重視自主產(chǎn)品研究和開發(fā)，推出了一系列具有競(jìng)爭(zhēng)力的產(chǎn)品和服務(wù)。公司客戶遍布大學(xué)、研究所、醫(yī)院、衛(wèi)生防疫、商品檢驗(yàn)檢疫、制藥公司、生物技術(shù)公司和食品工業(yè)等單位。 公司在重視產(chǎn)品質(zhì)量的同時(shí)，也建立了一套集技術(shù)支持、物流、售后服務(wù)等多個(gè)部門的全方位的服務(wù)體系，努力把我們方便、快捷、周到的服務(wù)提供給每一個(gè)客戶。我們的目標(biāo)是讓亞培成為在生命科學(xué)和生物技術(shù)領(lǐng)域內(nèi)集生產(chǎn)、研究開發(fā)和銷售于一體的國(guó)內(nèi)外知名的一流企業(yè)每一個(gè)亞培人，都心存一個(gè)信念：希望通過自身的不懈努力，通過我們優(yōu)秀的產(chǎn)品、專業(yè)的服務(wù)來更好的服務(wù)用戶，為我們每一個(gè)用戶的成功鋪路搭橋，也為亞培的成功鋪路搭橋！
| 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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