Inhibition of Gli/hedgehog signaling in prostate cancer cells by "cancer bush" Sutherlandia frutescens extract.
Inhibition of Gli/hedgehog signaling in prostate cancer cells by "cancer bush" Sutherlandia frutescens extract.
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“癌丛”Sutherlandia frutescens 提取物抑制前列腺癌细胞中的 Gli/hedgehog 信号传导。
DOI:
10.1002/cbin.10544
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发表时间:
2016
影响因子:
3.9
通讯作者:
Lubahn,DennisB
中科院分区:
文献类型:
--
作者:
Lin,Hui;Jackson,GlennA;Lu,Yuan;Drenkhahn,SaraK;Brownstein,KoreyJ;Starkey,NicholasJ;Lamberson,WilliamR;Fritsche,KevinL;Mossine,ValeriV;Besch-Williford,CynthiaL;Folk,WilliamR;Zhang,Yong;Lubahn,DennisB
Sutherlandia frutescensis a medicinal plant, traditionally used to treat various types of human diseases, including cancer. Previous studies of several botanicals link suppression of prostate cancer growth with inhibition of the Gli/hedgehog (Gli/Hh) signaling pathway. Here we hypothesized the anti‐cancer effect ofS. frutescenswas linked to its inhibition of the Gli/Hh signaling in prostate cancer. We found a dose‐ and time‐dependent growth inhibition in human prostate cancer cells, PC3 and LNCaP, and mouse prostate cancer cell, TRAMP‐C2, treated withS. frutescensmethanol extract (SLE). We also observed a dose‐dependent inhibition of the Gli‐reporter activity in Shh Light II and TRAMP‐C2QGli cells treated with SLE. In addition, SLE can inhibit Gli/Hh signaling by blocking Gli1 and Ptched1 gene expression in the presence of a Gli/Hh signaling agonist (SAG). A diet supplemented withS. frutescenssuppressed the formation of poorly differentiated carcinoma in prostates of TRAMP mice. Finally, we found Sutherlandioside D was the most potent compound in the crude extract that could suppress Gli‐reporter in Shh Light II cells. Together, this suggests that theS. frutescensextract may exert anti‐cancer effect by targeting Gli/Hh signaling, and Sutherlandioside D is one of the active compounds.