Target intelligence / Profile preview

巨噬细胞(Macrophage) (Mφ、MΦ、Mø(常见缩写,Mφ最常用于学术文献))

Target
Mφ、MΦ、Mø(常见缩写,Mφ最常用于学术文献)
Molecular classification
免疫细胞, 吞噬细胞(phagocyte), 单核吞噬细胞系统成员, 造血系统衍生细胞, 固有免疫系统细胞, 抗原呈递细胞(APC)
01

Overview

巨噬细胞(Macrophage)是固有免疫系统关键的吞噬性白细胞,源自骨髓造血干细胞,经单核细胞阶段发育成熟并广泛分布于全身各组织。它们能通过吞噬作用清除病原体、损伤细胞和代谢废物,参与炎症反应、被动防御及后续组织修复。巨噬细胞还能作为抗原呈递细胞,桥接先天与适应性免疫。功能上,受局部环境与信号影响,巨噬细胞可极化为M1型(促炎)或M2型(抗炎/修复),并在多种疾病(如肿瘤、炎症自身免疫、感染、神经退行性病变、心血管疾病与代谢性疾病等)中发挥核心作用。由于其多样性和可塑性,巨噬细胞已成为免疫治疗和炎症调控的重要药物开发靶点[3][5][6][7][9]。

Other names
单核吞噬细胞M1型巨噬细胞(经典活化型)M2型巨噬细胞(替代/修复型)组织细胞(某些组织中名为“组织细胞”)Kupffer细胞(肝脏特异性)肺泡巨噬细胞小胶质细胞(脑内特化型)破骨细胞(骨特化型)
02

Mechanism of action

抑制促炎因子(TNF-α、IL-6、NO等)释放,减少炎症反应; 诱导向M2型极化,促进组织修复和抗炎反应; 阻断吞噬活性或细胞因子的释放以防止组织损伤和自身免疫; 促进抗原呈递增强适应性免疫应答; 靶向和耗竭肿瘤相关巨噬细胞(TAMs)以增强抗肿瘤免疫

03

Biological functions

吞噬作用(吞噬病原体、细胞碎片、凋亡细胞等)免疫防御(先天性免疫/非特异性防御)适应性免疫激活(抗原加工与呈递,激活T细胞)炎症反应调控(促炎/抗炎)组织修复与再生调节铁代谢与胆固醇代谢维持组织稳态清除衰老细胞
04

Disease associations

癌症(肿瘤相关巨噬细胞在肿瘤进展和免疫抑制中作用显著)炎症(急慢性炎症疾病如自身免疫病、风湿病等)感染(如细菌、病毒、真菌感染防御)神经疾病(阿尔茨海默病、帕金森病等小胶质细胞相关)心血管疾病(动脉粥样硬化)代谢病(糖尿病等)组织损伤与修复疾病
05

Safety considerations

过度抑制可导致免疫抑制、感染易感性增加非特异性靶向易引发组织损伤、慢性炎症对肿瘤相关巨噬细胞的免疫治疗可能伴随自身免疫反应细胞治疗相关的致敏反应调控异常可促发纤维化、代谢紊乱等副作用
06

Interacting drugs

免疫调节剂(糖皮质激素、干扰素、白细胞介素等)

3 more in the full profile.

07

Biomarkers

CD68、CD163、CD206(常见表面标记物)MHC II分子(HLA-DR等)CD80、CD86(激活与共刺激分子)Arginase-1、iNOS(M1/M2极化分型相关分子)

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