Toxicology in vitro : an international journal published in association with BIBRA · 2015
Mono-2-ethyhexyl phthalate advancing the progression of prostate cancer through activating the hedgehog pathway in LNCaP cells.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Yong Wang, Jiao Chen, Jianhui Wu, Yan Zhao, Qi Pan, Xiu Wang, Zuyue Sun, Yunhui Zhang
Аннотация
Hedgehog (Hh) pathway plays a critical role in the progression of prostate cancer (PCa), the most commonly diagnosed non-cutaneous cancer in male adults. Studies showed that di-n-butyl phthalate (DBP) could interference with the Hh pathway. Di-2-ethylhexyl phthalate (DEHP), the congener of DBP, is the major plasticizer used in plastic materials that are inevitably exposed by patients with PCa. The aim of this in vitro study was to investigate whether mono-2-ethyhexyl phthalate (MEHP, the active metabolite of DEHP) could activate the Hh pathway of LNCaP cells. Results showed that the expression of the critical gene of Hh pathway PTCH and androgen-regulated gene KLK3 was significantly decreased on 3, 6 and 9 days with Hh pathway inhibitor cyclopamine's treatment. MEHP notably up-regulated the expression of PTCH with a dose-response relationship in the presence of cyclopamine, which indicate that MEHP might target on the downstream components of Hh pathway and advance the progression of PCa through activating the Hh pathway.