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首页> 外文期刊>Cytokine >CRP-induced levels of oxidative stress are higher in brain than aortic endothelial cells.
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CRP-induced levels of oxidative stress are higher in brain than aortic endothelial cells.

机译:CRP诱导的脑部氧化应激水平高于主动脉内皮细胞。

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C-reactive protein (CRP) has been demonstrated to induce blood-brain barrier disruption (BBB) involving NAD(P)H-oxidase dependent oxidative stress. It is unclear why CRP affects the BBB and not other vascular beds following stroke. Therefore we examined CRP receptor and NAD(P)H-oxidase expression levels in bovine brain- (BEC) and aortic endothelial cells. Dichlorodihydrofluorescein measurements revealed significantly higher CRP-induced reactive oxygen species (ROS) levels in BEC. Protein expression of the CRP-receptors CD16, CD32 and of the NAD(P)H-oxidase subunit p22phox were also significantly higher in BEC. In conclusion BEC show a higher vulnerability to CRP due to increased levels of CRP receptors and the NAD(P)H-oxidase.
机译:C反应蛋白(CRP)已被证明可诱导涉及NAD(P)H-氧化酶依赖性氧化应激的血脑屏障破坏(BBB)。目前尚不清楚为什么CRP影响中风后的BBB而不影响其他血管床。因此,我们检查了牛脑(BEC)和主动脉内皮细胞中的CRP受体和NAD(P)H-氧化酶表达水平。二氯二氢荧光素的测量结果显示,BEC中CRP诱导的活性氧(ROS)水平显着升高。在BEC中,CRP受体CD16,CD32和NAD(P)H-氧化酶亚基p22phox的蛋白表达也明显更高。总之,由于CRP受体和NAD(P)H-氧化酶水平的提高,BEC对CRP的抵抗力更高。

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