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首页> 外文期刊>Apoptosis >Intra-uterine growth restriction is associated with increased apoptosis and altered expression of proteins in the p53 pathway in villous trophoblast
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Intra-uterine growth restriction is associated with increased apoptosis and altered expression of proteins in the p53 pathway in villous trophoblast

机译:子宫内生长受限与绒毛滋养细胞中p53通路中凋亡增加和蛋白质表达改变有关

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Intrauterine growth restriction (IUGR) affects 3–8% of pregnancies and is associated with altered cell turnover in the villous trophoblast, an essential functional cell type of the human placenta. The intrinsic pathway of apoptosis, particularly p53, is important in regulating placental cell turnover in response to damage. We hypothesised that expression of proteins in the p53 pathway in placental tissue would be altered in IUGR. Expression of constituents of the p53 pathway was assessed using real-time PCR, Western blotting and immunohistochemistry. p53 mRNA and protein expression was increased in IUGR, which localised to the syncytiotrophoblast. Similar changes were noted in p21 and Bax expression. There was no change in the expression of Mdm2, Bak and Bcl-2. The association between altered trophoblast cell turnover in IUGR and increased p53 expression is reminiscent of that following exposure to hypoxia. These observations provide further insight into the potential pathogenesis of IUGR. Further research is required to elicit the role and interactions of p53 and its place in the pathogenesis of IUGR.
机译:宫内生长受限(IUGR)影响3–8%的怀孕,并与绒毛滋养细胞(人类胎盘的一种基本功能细胞类型)中的细胞更新变化有关。细胞凋亡的内在途径,特别是p53,在调节胎盘细胞对损伤的反应中很重要。我们假设胎盘组织中p53途径中的蛋白质表达在IUGR中会发生改变。使用实时PCR,Western印迹和免疫组织化学评估p53途径的组成部分的表达。 IUGR中p53 mRNA和蛋白表达增加,其定位于合体滋养层。在p21和Bax表达中发现了类似的变化。 Mdm2,Bak和Bcl-2的表达没有变化。 IUGR的滋养层细胞更新变化与p53表达增加之间的联系使人联想到缺氧后的联系。这些观察结果为IUGR的潜在发病机理提供了进一步的见识。需要进一步的研究来发现p53及其在IUGR发病机理中的作用和相互作用。

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