推荐回答(2个)
C3、C4比正常值小,使免疫力降降低。
主要表现在:
1。吞噬作用受限制,吞噬细胞的趋化性受限制;使非特异性免疫系统的作用降低。通俗地说就是,病原物质进入体内,机体对他的杀灭作用降低了,使免疫功能下降
2。血管的通透性下降。通俗地说,血管通透性主要关联炎症反应等机体对抗原的清除,通透性下降,血液里的免疫细胞不能从血管里渗出到目标部位,使免疫作用降低
3。中和病毒。通俗地说,Ab抗体的作用是中和病毒,也就是说抗体是在补体的调理作用下与病原体或者说抗原Ag,发生中和反应,即抗原抗体反应,而杀灭抗原的,既然中和下降,即免疫力下降。
4。细胞溶解作用。通俗地说关联细胞免疫,细胞免疫有细胞毒性T细胞TCL还有其他一些吞噬细胞组成的吞噬系统溶解病原体,溶解作用下降,免疫力下降
5。免疫反应的调节作用。这是对整个免疫活动的调节,可能是体液免疫也可能是细胞免疫,也可以是非特异性免疫,总之都是免疫力下降。

扩展资料:
补体C3(C3)和补体C4(C4)在血清中的含量高于其他补体分子,二者在完成补体系统的多种功能中具有十分重要的作用,实验室测定对于疾病的诊断、治疗和病因探讨具有重要作用。
C3正常参考值为0.9~1.8 g/L,C3增高常见于各种传染病、急性炎症和组织损伤、急性肾炎、肝癌等,类风湿性关节炎患者正常或略有升高。
C3降低常见于:免疫复合物引起的增殖性慢性肾小球肾炎(MPGN)、急性链球菌感染后肾小球肾炎(AGN)、狼疮性肾炎、反复性感染、皮疹、肝炎、肝硬化等严重肝脏疾患和关节疼痛等。C4正常参考值为0.1~0.4 g/L,C4增高常见于各种传染病、急性肾炎、组织损伤、多发性骨髓瘤等。
C4降低常见于免疫复合物引起的肾炎、系统性红斑狼疮、病毒性感染、狼疮性症候群、肝硬化、肝炎等。
参考资料:补体_百度百科
C3、C4是补体系统中的重要分子,在补体活化中起作用
补体活化可以产生MAC(膜攻击复合物)
参与免疫和维护内环境稳定
C3、C4比正常值小,使免疫力降低
主要表现在
1。吞噬作用受限制,吞噬细胞的趋化性受限制;使非特异性免疫系统的作用降低
通俗地说就是,病原物质进入体内,机体对他的杀灭作用降低了,使免疫功能下降
2。血管的通透性下降;
通俗地说,血管通透性主要关联炎症反应等机体对抗原的清除,通透性下降,血液里的免疫细胞不能从血管里渗出到目标部位,使免疫作用降低
3。中和病毒;
脱俗地说,Ab抗体的作用是中和病毒,也就是说抗体是在补体的调理作用下与病原体或者说抗原Ag,发生中和反应,即抗原抗体反应,而杀灭抗原的,既然中和下降,即免疫力下降
4。细胞溶解作用;
通俗地说关联细胞免疫,细胞免疫有细胞毒性T细胞TCL还有其他一些吞噬细胞组成的吞噬系统溶解病原体,溶解作用下降,免疫力下降
5。免疫反应的调节作用。
这是对整个免疫活动的调节,可能是体液免疫也可能是细胞免疫,也可以是非特异性免疫,总之都是免疫力下降
应该怎么做?
个人认为主要是增强免疫系统,而且请您到医院及时就诊,查清楚到底是什么原因引起的补体值下降,然后对症治疗,这样才能好得快
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