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TGF-β_1和AngII的相互作用在心肌纤维化中的意义 被引量:4

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摘要 心肌纤维化 (MF)是高血压左室重构的主要表现之一 ,TGF β1和AngII是这一过程中的重要生物活性因子 ,AngII通过血管紧张素II 1型 (AT1)受体对TGF β1合成和释放的刺激 ,增加TGF β1的表达和促进纤维的发生 ;TGF β1也上调I型、III型胶原合成并抑制胶原酶的释放 ;两者相互作用 ,共同促进MF的发生。多种药物可对TGF β1的表达产生抑制 ,AT1受体拮抗剂、血管紧张素转换酶抑制剂和TGF β拮抗剂在降低TGF β1表达和减轻MF方面显示良好作用。
作者 易春涛
出处 《国外医学(生理病理科学与临床分册)》 2002年第4期344-346,共3页 Foreign Medical Sciences(Pathophysiology and Clinical Medicine)
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