To Live or to Die: Prosurvival Activity of PPARgamma in Cancers.

To Live or to Die: Prosurvival Activity of PPARgamma in Cancers.
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DOI:
10.1155/2008/209629
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发表时间:
2008
期刊:
影响因子:
2.9
通讯作者:
Miao Q
Miao Q
中科院分区:
医学3区
文献类型:
--
作者:
Wang YL;Miao Q

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PPARγ在肿瘤发生中的作用存在争议。在这篇文章中,我们回顾和分析了过去十年的文献,这些文献强调了PPARγ潜在的原癌活性。我们从以下五个方面讨论了核激素受体及其激动剂:(1)PPARγ在人类肿瘤和正常组织中的相对表达;(2)受体依赖的原癌效应;(3)PPARγ及其激动剂在动物模型中对肿瘤的影响;(4)噻唑烷二酮类化合物(TZD)在人类恶性肿瘤中的临床试验;(5)TZD作为流行病学研究中的化学预防药物。重点放在最相关的活体动物模型和人类数据上。只有当效应被证明依赖于PPARγ受体时,体外细胞系研究才包括在内。
The role of PPARγ in tumorigenesis is controversial. In this article, we review and analyze literature from the past decade that highlights the potential proneoplastic activity of PPARγ. We discuss the following five aspects of the nuclear hormone receptor and its agonists: (1) relative expression of PPARγ in human tumor versus normal tissues; (2) receptor-dependent proneoplastic effects; (3) impact of PPARγ and its agonists on tumors in animal models; (4) clinical trials of thiazolidinediones (TZDs) in human malignancies; (5) TZDs as chemopreventive agents in epidemiology studies. The focus is placed on the most relevant in vivo animal models and human data. In vitro cell line studies are included only when the effects are shown to be dependent on the PPARγ receptor.
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