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人雪旺细胞

点击次数:311发布时间:2013/4/24 12:33:49

人雪旺细胞

更新日期:2022/8/19 17:45:54

所 在 地:美洲

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简单介绍:人雪旺细胞雪旺细胞是神经嵴的衍生物,形成了周围神经髓磷脂轴突的髓鞘。它环绕在末梢神经轴突的轴上,沿着轴突节形成一层髓磷脂髓鞘。雪旺细胞对末梢神经的发育、功能和再生起着重要作用。当轴突快死亡时,雪旺细胞环绕其周围帮助消化轴突。连续的雪旺细胞形成一个空的管道,在其尾端形成新的轴突。末梢神经中的雪旺细胞的数量是受到严格调控的。体外增殖受到诸如PDGF, FGF,神经元和其它多肽类生长因子的刺激。雪旺细胞为研究一系列发育问题提供了相对简单、明确、易懂的哺乳动物模型。在研究神经病和神经再生,以及中枢神经系统修复方面,雪旺细胞也具有特殊的临床重要性。 人雪旺细胞 (HSC)提取于人脊神经

相关标签:人雪旺细胞 HSC 

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人雪旺细胞             
                     
            
上海义森生物科技有限公司

雪旺细胞是神经嵴的衍生物,形成了周围神经髓磷脂轴突的髓鞘。它环绕在末梢神经轴突的轴上,沿着轴突节形成一层髓磷脂髓鞘。雪旺细胞对末梢神经的发育、功能和再生起着重要作用。当轴突快死亡时,雪旺细胞环绕其周围帮助消化轴突。连续的雪旺细胞形成一个空的管道,在其尾端形成新的轴突。末梢神经中的雪旺细胞的数量是受到严格调控的。体外增殖受到诸如PDGF, FGF,神经元和其它多肽类生长因子的刺激。雪旺细胞为研究一系列发育问题提供了相对简单、明确、易懂的哺乳动物模型。在研究神经病和神经再生,以及中枢神经系统修复方面,雪旺细胞也具有特殊的临床重要性。    人雪旺细胞 (HSC)提取于人脊神经组织,原代冻存。每管含有细胞数>5×105 cells/ml,此细胞通过对S-100, GFAPCD90免疫荧光染色验证,经测试不含有HIV-1HBVHCV、支原体、细菌、酵母和真菌。

推荐培养基:(SCM, Cat. No. 1701

产地:San Diego,US储存:液氮

品牌:ScienCell

运输:干冰

用途:科研

Schwann cells are neural crest derivatives that ensheathe and myelinate axons of peripheral nerves [1]. They wrap individually around the shaft of peripheral axons, forming a layer or myelin sheath along segments of the axon. Schwann cells play important roles in the development, function and regeneration of peripheral nerves. When an axon is dying, the Schwann cells surrounding it aid in its digestion. This leaves an empty channel formed by successive Schwann cells, through which a new axon may grow from a severed end. The number of Schwann cells in peripheral nerve is tightly regulated [2]. Their proliferation in vitro can be stimulated by polypeptide growth factors including PDGF, FGF, neuregulin and others [3]. The Schwann cells provide a relatively simple, well-defined and accessible mammalian model for the study of a number of developmental questions. It is also of particular clinical importance to understand the biology of Schwann cells, not only in the context of neuropathies and nerve regeneration, but also because the cells or their precursor might be especially well suited as implants to facilitate repair in the CNS.

HSC from ScienCell Research Laboratories are isolated from human spinal nerves. HSC are cryopreserved at passage one and delivered frozen. Each vial contains >5 x 105 cells in 1 ml volume. HSC are characterized by immunofluorescent method with antibodies to S-100, GFAP and CD90. HSC are negative for HIV-1, HBV, HCV, mycoplasma, bacteria, yeast and fungi. HSC are guaranteed to further culture in the conditions provided by ScienCell Research Laboratories.

Reference
[1] Jessen, K. R. and Mirsky, R. (1999) Schwann cells and their precursors emerge as major regulators of nerve development. Trends Neurosci. 22:402-410.
[2] Syroid, D. E., Maycox, P. R., Burrola, P. G., Liu, N., Wen, D., Lee, K. F., Lemke, G., Kilpatrick, T. J. (1996) Cell death in the Schwann cell lineage and its regulation by neuregulin. Proc. Natl. Acad. Sci. USA 93:9229-9234.
[3] Rahmatullah, M., Schroering, A., Rothblum, K., Stahl, R. C., Urban, B and Carey, D. J. (1998) Synergistic regulation of Schwann cells proliferation by heregulin and forskolin. Mol. Cell. Biol. 18:6245-6252.

Fig. 1. Phase contrast morphology of cultured HSC (passage two), 200X. Fig. 2. Relief contrast morphology of cultured HSC (passage two), 200X. Fig. 3. Immunofluorescent staining of passage two HSC with anti-S100 monoclonal antibody (green) and DAPI (blue), 400X.


 


 

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