产品号 #78059_C
巨噬细胞集落刺激因子
巨噬细胞集落刺激因子(M-CSF)是一种同源二聚体糖蛋白生长因子,可调节髓系造血祖细胞向单核吞噬细胞谱系的增殖和分化,包括单核细胞、巨噬细胞和破骨细胞。在大多数组织中,M-CSF是组织常驻巨噬细胞发育的关键因素(Ginhoux & Jung)。它是单核细胞和巨噬细胞成熟和激活所必需的,并与其他刺激如IFN-γ、LPS和IL-4一起调节炎症反应(Murray等人)。M-CSF也是破骨细胞骨吸收所必需的,并参与胎盘、乳腺和脑的发育和调节。M-CSF由单核细胞、成纤维细胞、破骨细胞、基质细胞、内皮细胞和肿瘤细胞产生(Chockalingam & Ghosh)。
M-CSF通过c-fms原癌基因编码的受体酪氨酸激酶(CSF-1R或M-CSF- r)信号传导发挥其生物学作用(Hamilton)。CSF-1R与其他生长因子受体具有相似的结构特征,包括干细胞因子(SCF)受体、血小板衍生生长因子受体(PDGF-R)和Flt3/Flk-2受体酪氨酸激酶。CSF-1R与M-CSF结合后的刺激可激活MAPK、PI3K和PLCγ信号通路(Chockalingam & Ghosh)。人和小鼠M-CSF序列在核苷酸和氨基酸水平上高度保守(同源性80%;DeLamarter等人)。
亚型
细胞因子
细胞类型
树突状细胞(DCs),造血干/祖细胞,中胚层,PSC衍生,单核细胞,髓系细胞,神经元
种属
小鼠
研究领域
免疫,干细胞生物学
纯度
≥ 95 %
(A) The biological activity of Mouse Recombinant M-CSF was tested by its ability to promote the proliferation of NFS-60 cells. Cell proliferation was measured after 44 hours of culture using a fluorometric assay method. The EC50 is defined as the effective concentration of the growth factor at which cell proliferation is at 50% of maximum. The EC50 in the above example is 1.1 - 1.6 ng/mL.
(B) 1 μg of Mouse Recombinant M-CSF was resolved with SDS-PAGE under reducing (+) and non-reducing (-) conditions and visualized by Coomassie Blue staining. Mouse Recombinant M-CSF is a homodimer of 18.2 kDa subunits with a predicted total predicted molecular mass of 36.4 kDa.
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Species | Mouse |
---|---|
Purity | ≥ 95% |
免疫磁珠负选不带标记的小鼠单核细胞
抗人、小鼠、恒河猴CD11b的大鼠单克隆IgG2b抗体
大鼠单克隆IgG2a抗体,抗小鼠F4/80
巨噬细胞集落刺激因子
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