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Synergistic effects of c-Jun and SP1 in the promotion of TGF beta 1-mediated diabetic nephropathy progression  期刊论文  

  • 编号:
    552a7587-752f-4519-aaf6-8b97d1da5782
  • 作者:
    Gao, Pan(高攀)#[1,2]Wei, Yingze[1];Zhang, Zhigang(张志刚)[1]Zeng, Wenjiao(曾文姣)[1]Sun, Daming[3];Liu, Danyang[1];Hou, Bo[1];Zhang, Congying[1];Zhang, Nong(张农)[1]Li, Hui(李慧)*[1]Li, Liliang(李立亮)*[4]
  • 语种:
    英文
  • 期刊:
    EXPERIMENTAL AND MOLECULAR PATHOLOGY ISSN:0014-4800 2016 年 100 卷 3 期 (441 - 450) ; JUN
  • 收录:
  • 关键词:
  • 摘要:

    Diabetic nephropathy (DN) is a major complication of diabetes mellitus. Transforming growth factor beta 1 (TGF beta 1) is a well-distinguished mediator of progressive renal fibrosis in DN. However, the molecular mechanisms contributing to enhanced TGF beta 1 expression in the progression of DN are not fully understood. Herein, we reported that c-Jun and specificity protein 1 (SP1) were critical upstream regulators of TGF beta 1 expression in DN. The increase in c-Jun and SP1 expressions was positively correlated with TGF beta 1 in both high glucose treated human renal mesangial cells (HRMCs) and diabetic kidneys. Furthermore, c-Jun dose-dependently promoted SP1-mediated TGF beta 1 transcription and vice versa. The synergistic effects of c-Jun and SP1 were attributed to their auto-regulation and cross-activation. Moreover, enhanced phosphorylation levels of c-Jun and SP1 were accompanied with increased TGF beta 1 expression in diabetic kidneys. Accordingly, dephosphorylation of c-Jun and SP1 by the specific c-Jun N-terminal kinase (JNK) inhibitor SP600125 prevented the increase in TGF beta 1 expression. These results suggested that c-Jun and SP1 synergistically activated profibrotic TGF beta 1 expression in the development of DN by auto-regulation, cross-activation and phospho-modification. (C) 2016 Elsevier Inc. All rights reserved.

  • 推荐引用方式
    GB/T 7714:
    Gao Pan,Wei Yingze,Zhang Zhigang, et al. Synergistic effects of c-Jun and SP1 in the promotion of TGF beta 1-mediated diabetic nephropathy progression [J].EXPERIMENTAL AND MOLECULAR PATHOLOGY,2016,100(3):441-450.
  • APA:
    Gao Pan,Wei Yingze,Zhang Zhigang,Zeng Wenjiao,&Li Liliang.(2016).Synergistic effects of c-Jun and SP1 in the promotion of TGF beta 1-mediated diabetic nephropathy progression .EXPERIMENTAL AND MOLECULAR PATHOLOGY,100(3):441-450.
  • MLA:
    Gao Pan, et al. "Synergistic effects of c-Jun and SP1 in the promotion of TGF beta 1-mediated diabetic nephropathy progression" .EXPERIMENTAL AND MOLECULAR PATHOLOGY 100,3(2016):441-450.
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