首页> 外文期刊>RSC Advances >Combined effect of tris(2-chloroethyl) phosphate and benzo (a) pyrene on the release of IL-6 and IL-8 from HepG2 cells via the EGFR-ERK1/2 signaling pathway
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Combined effect of tris(2-chloroethyl) phosphate and benzo (a) pyrene on the release of IL-6 and IL-8 from HepG2 cells via the EGFR-ERK1/2 signaling pathway

机译:Tris(2-氯乙基)磷酸盐和苯并(a)芘对通过EGFR-ERK1 / 2信号通路从HepG2细胞释放IL-6和IL-8的组合作用

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摘要

Tris(2-chloroethyl) phosphate (TCEP) and benzo (a) pyrene (BaP) coexist in the environment. Humans are exposed to them via multiple routes every day. Each of them induces hepatotoxicity, which may increase their risk to human health. However, the mechanism underlying the combined toxicity of both compounds in vitro is still unclear. The present study aimed to investigate the molecular mechanism underlying the inflammatory response in the cotreatment of HepG2 cells with TCEP and BaP. The cell viability, and the expression of interleukin (IL)-6 and IL-8 at the mRNA and protein levels were measured in HepG2 cells. The results indicated that TCEP plus BaP decreased HepG2 cell viability, and up-regulated the expression of IL-6 and IL-8 at the mRNA and protein levels. Additionally, the inhibitors of EGFR (AG1478), ERK1/2 (U0126) and p38 MAPK (SB203580) displayed anti-inflammatory properties in the inflammatory response elicited by TCEP plus BaP. The activation of ERK1/2, but not p38 MAPK was inhibited by AG1478. These results indicated that TCEP plus BaP may induce an inflammatory response in HepG2 cells by the activation of the EGFR-ERK1/2 signaling pathway.
机译:TRIS(2-氯乙基)磷酸盐(TCEP)和苯并(A)芘(BAP)在环境中共存。人类每天都会通过多条路线暴露在他们身边。他们中的每一个都会诱导肝毒性,这可能会增加他们对人类健康的风险。然而,在体外两种化合物的组合毒性的基础仍然不清楚。本研究旨在探讨HepG2细胞与TCEP和BAP的CoTreative act的分子机制。在HepG2细胞中测量细胞活力和白细胞介素(IL)-6和IL-8的表达。结果表明,TCEP Plus BAP降低了HepG2细胞活力,上调了在mRNA和蛋白质水平下IL-6和IL-8的表达。另外,EGFR(AG1478),ERK1 / 2(U0126)和P38MAPK(SB203580)的抑制剂显示在由TCEP加阵切引发的炎症反应中的抗炎性质。 AG1478抑制了ERK1 / 2的激活,但不是P38 MAPK。这些结果表明,TCEP Plus Bap通过激活EGFR-ERK1 / 2信号通路可以在HepG2细胞中诱导炎症反应。

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  • 来源
    《RSC Advances》 |2017年第85期|共10页
  • 作者单位

    Huazhong Univ Sci &

    Technol Tongji Med Coll Dept Occupat &

    Environm Hlth Wuhan 430030 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Tongji Med Coll Dept Occupat &

    Environm Hlth Wuhan 430030 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Tongji Med Coll Dept Occupat &

    Environm Hlth Wuhan 430030 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Tongji Med Coll Dept Occupat &

    Environm Hlth Wuhan 430030 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Tongji Med Coll Dept Occupat &

    Environm Hlth Wuhan 430030 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Tongji Med Coll Dept Occupat &

    Environm Hlth Wuhan 430030 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Tongji Med Coll Dept Occupat &

    Environm Hlth Wuhan 430030 Hubei Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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