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HMGB1及其在肺动脉高压中的研究进展 被引量:3

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摘要 高迁移率族蛋白B1( HMGB1)是一种在真核细胞中普遍存在的DNA结合蛋白,当释放到细胞外隙时可以触发炎症反应。 HMGB1在免疫活性细胞中主动分泌,在损伤细胞中被动释放。细胞外的HMGB1通过模式识别受体转导细胞信号,比如 Toll样受体( TLRs )和晚期糖基化终产物受体( RAGE),激活胞内 p38丝裂原活化蛋白激酶( MAPK)、细胞外信号调节激酶1/2( ERK1/2)、核因子( NF)-κB 等下游信号通路,或增加转化生长因子( TGF )-β1和血小板源性生长因子( PDGF )的分泌,导致促炎因子的释放、树突细胞的成熟及平滑肌细胞的趋化和增殖。已有研究表明细胞外HMGB1在急性和慢性炎症性疾病中起作用,如脓毒症、肿瘤、关节炎等。研究表明炎症与肺动脉高压的发生、发展以及肺血管重构都相关,而阻断HMGB1信号可抑制其病理进程。因此,本文就HMGB1及其在PH中的作用进行综述。
出处 《临床肺科杂志》 2015年第12期2273-2276,共4页 Journal of Clinical Pulmonary Medicine
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参考文献34

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二级参考文献10

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