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PM2.5暴露诱发动脉粥样硬化斑块失稳定发病机制及应对策略思考

Keywords: PM2.5,斑块,炎症,NLRP3,中医药

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Abstract:

近年来我国环境污染问题日益严重,针对可吸入颗粒物particulatematter2.5(PM2.5)造成的健康风险进行有效的干预已成为医药研究领域亟需解决的重大科学问题。NOD样受体(NLRs)是在先天免疫中发挥关键作用的细胞内模式识别受体家族。该文基于国际上“细颗粒物暴露为心血管疾病发病和死亡可改变危险因素”的研究进展,结合目前对PM2.5导致急性冠脉综合征中肺源性炎症和氧化应激反应的认识,从PM2.5-炎症-As斑块稳定性角度,思考PM2.5作为颗粒状异物入血后诱发血管炎症的初始环节,深入探讨PM2.5诱发心血管急性事件的深层机制,提出NOD受体家族NLRP3可能是感知PM血管损伤信号,诱发炎症反应,最终导致As斑块失稳定的关键分子。同时分析PM2.5暴露诱发As斑块失稳定致急性冠脉综合征的中医病机,探讨中医药干预可能的策略,为积极应对社会公共卫生焦点问题提供科学依据,也为PM2.5诱发心血管疾病的相关研究工作提供参考。

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