The CD47-SIRPα pathway in cancer immune evasion and potential therapeutic implications.

The CD47-SIRPα pathway in cancer immune evasion and potential therapeutic implications.
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DOI:
10.1016/j.coi.2012.01.010
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发表时间:
2012-04
影响因子:
7
通讯作者:
Majeti R
Majeti R
中科院分区:
医学2区
文献类型:
--
作者:
Chao MP;Weissman IL;Majeti R

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多种研究表明,免疫系统在预防肿瘤发生和控制肿瘤生长中起着重要作用。因此,许多癌症已经进化出不同的机制来逃避这种监测。虽然多种免疫细胞类型介导肿瘤监视,但最近的证据表明,巨噬细胞和其他吞噬细胞通过吞噬清除在调节肿瘤生长中发挥关键作用。在这篇综述中,我们强调了通过抑制吞噬作用,特别是通过CD 47-SIRPα途径,肿瘤免疫逃避的作用,并讨论了如何靶向这一途径可能导致更有效的癌症免疫治疗。
Multiple lines of investigation have demonstrated that that the immune system plays an important role in preventing tumor initiation and controlling tumor growth. Accordingly, many cancers have evolved diverse mechanisms to evade such monitoring. While multiple immune cell types mediate tumor surveillance, recent evidence demonstrates that macrophages, and other phagocytic cells, play a key role in regulating tumor growth through phagocytic clearance. In this review we highlight the role of tumor immune evasion through the inhibition of phagocytosis, specifically through the CD47-SIRPα pathway, and discuss how targeting this pathway might lead to more effective cancer immunotherapies.
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