首页> 外文会议>International Association of Biomedical Gerontology(IABG) International Congress: Understanding and Modulating Aging; 20050813-16; Aarhus(DK) >Establishment of H_2O_2-Induced Premature Senescence in Human Fibroblasts Concomitant with Increased Cellular Production of H_2O_2
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Establishment of H_2O_2-Induced Premature Senescence in Human Fibroblasts Concomitant with Increased Cellular Production of H_2O_2

机译:H_2O_2诱导人成纤维细胞过早衰老并伴随细胞H_2O_2产量增加的建立

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摘要

Premature senescence of human fibroblasts is established after exposure to an acute sublethal concentration of H_2O_2. Overex-pression of transforming growth factor-β1 (TGF-β1) was shown to be responsible for the appearance of the biomarkers of senescence in these conditions. Other studies have shown that incubation of human fibroblasts with TGF-β1 leads to overexpression of H_2O_2. In this work, we show an increased production of H_2O_2 by human fibroblasts as premature senescence is established after an initial exposure to H_2O_2.
机译:人成纤维细胞暴露于急性亚致死浓度的H_2O_2后,会提前衰老。在这些条件下,过度表达转化生长因子-β1(TGF-β1)可以导致衰老的生物标志物的出现。其他研究表明,将人类成纤维细胞与TGF-β1孵育会导致H_2O_2的过表达。在这项工作中,我们显示了人类成纤维细胞增加了H_2O_2的产生,因为最初暴露于H_2O_2后建立了早衰。

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