产品号 #78091_C
巨噬细胞炎性蛋白-1 β
巨噬细胞炎性蛋白-1 β (MIP-1 β),又称CCL4,是CC趋化因子家族的一员,与CCL3 (MIP-1 α)关系最为密切。MIP-1 β的细胞来源包括活化的白细胞(单核细胞、T细胞和B细胞)、脑内皮细胞和平滑肌细胞(Lukacs et al.; Menten et al.)。MIP-1 β, MIP-1 α和RANTES是主要的HIV抑制因子,可能通过与CCR5受体的相互作用发挥作用。CCR5也是HIV进入CD4+ T细胞的主要受体,这些趋化因子可通过竞争结合 CCR5 来抑制 HIV 感染(Cocchi et al.; Menten et al.)。MIP-1 β吸引多种免疫细胞到病原感染部位。除了趋化功能外,MIP-1 β还能诱导促炎细胞因子的释放、肥大细胞脱颗粒和NK细胞激活(Schall et al.)。在小鼠中,MIP-1 β将调节性T细胞募集到B细胞和抗原呈递细胞中,在T细胞和体液反应的启动中起着关键作用,一旦调节性T细胞或MIP-1 β被耗竭,会导致体液反应的失调和自身抗体的产生(Bystry et al.)。
亚型
细胞因子
细胞类型
B 细胞,树突状细胞(DCs),间充质干/祖细胞,单核细胞,NK 细胞,其它细胞系,T 细胞,T 细胞,CD4+,T 细胞,CD8+
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 MIP-1 beta (CCL4) was tested by its ability to induce chemotaxis of THP-1 cells. Cell migration was measured after 45 min using a fluorometric assay method. Increase in migration over basal level was seen starting at 100 ng/mL. (B) 1 μg of Mouse Recombinant MIP-1 beta (CCL4) was resolved with SDS-PAGE under reducing (+) and non-reducing (-) conditions and visualized by Coomassie Blue staining. Mouse Recombinant MIP-1 beta (CCL4) has a predicted molecular mass of 7.8 kDa.
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Species | Mouse |
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Purity | ≥ 95% |
免疫磁珠负选不带标记的小鼠CD4+ T细胞
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