摘要
越来越多的证据表明,慢性炎症与高血压、动脉粥样硬化等心血管疾病密切相关。半胱天冬氨酸蛋白水解酶(Caspase)亚型Caspase-1、4、5和11被称为炎症Caspase,通过促进炎症因子的成熟与释放,诱导放大炎症反应,激活固有免疫应答。炎症Caspase作用机制包括两方面,一方面激活模式识别受体NLRP3炎症小体,促进炎症因子白细胞介素1β(IL-1β)和IL-18的剪切成熟,另一方面剪切Gasdermin D形成具有膜上打孔作用的N端,导致细胞焦亡,促进炎症因子释放。文章就炎症Caspase在心血管疾病中的作用进行综述。
More and more studies have revealed that inflammation plays an important role in cardiovascular diseases, including hypertension and atherosclerosis et al. Caspase-1, caspase-4, caspase-5 and caspase-11 are named as inflammatory caspase, which cause the mature and secretion of inflammatory cytokines. Inflammatory caspase can induce and magnify inflammatory response that represents a new paradigm in innate immunity. In addition to mediating cleavage of the NLRP3 inflammasome-associated cytokines interleukin 1 beta(IL-1β) and IL-18, inflammatory caspase modulate distinct forms of pyroptosis by shearing gasdermin D into N-terminal fragment that showed pore-forming activity, while pyroptosis of cells release a large number of inflammatory cytokines. This study will discuss the role of inflammatory caspase in cardiovascular diseases.
引文
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