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单核细胞Toll样受体4信号通路在不稳定型心绞痛炎症反应中的作用探讨 被引量:2

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摘要 目的:探讨单核细胞Toll样受体4(TLR4)信号通路在不稳定型心绞痛炎症反应中的作用。方法:以TLR4配体LPS刺激不稳定型心绞痛患者及对照者单核细胞,应用实时定量RT-PCR检测单核细胞TLR4 mRNA、A20 mRNA的变化,ELISA法检测培养上清TNF-α、IL-10浓度。结果:不稳定型心绞痛患者单核细胞TLR4 mRNA、A20 mRNA相对表达量高于对照组,受LPS刺激后A20 mRNA无明显上调。不稳定型心绞痛患者单核细胞LPS刺激后与对照组单核细胞LPS刺激后相比,肿瘤坏死因子-α(TNF-α)产生更多,白介素-10(IL-10)产生较少。结论:单核细胞TLR4信号通路参与不稳定型心绞痛的炎症反应,TLR4表达上调、A20上调不足与炎症反应有关。
出处 《实用医学杂志》 CAS 北大核心 2009年第23期3987-3989,共3页 The Journal of Practical Medicine
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