Enhanced paracrine FGF10 expression promotes formation of multifocal prostate adenocarcinoma and an increase in epithelial androgen receptor

被引:152
作者
Memarzadeh, Sanaz [1 ]
Xin, Li [2 ,3 ,4 ]
Mulholland, David J. [5 ,6 ]
Mansukhani, Alka [10 ]
Wu, Hong [5 ,6 ]
Teitell, Michael A. [7 ,8 ]
Witte, Owen N. [2 ,3 ,4 ,5 ,6 ,9 ]
机构
[1] Univ Calif Los Angeles, Dept Obstet & Gynecol, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, Dept Microbiol, Los Angeles, CA 90095 USA
[3] Univ Calif Los Angeles, Dept Immunol, Los Angeles, CA 90095 USA
[4] Univ Calif Los Angeles, Dept Mol Genet, Los Angeles, CA 90095 USA
[5] Univ Calif Los Angeles, Dept Mol, Los Angeles, CA 90095 USA
[6] Univ Calif Los Angeles, Dept Med & Pharmacol, Los Angeles, CA 90095 USA
[7] Univ Calif Los Angeles, Dept Pathol, David Geffen Sch Med, Los Angeles, CA 90095 USA
[8] Univ Calif Los Angeles, Dept Lab Med, David Geffen Sch Med, Los Angeles, CA 90095 USA
[9] Univ Calif Los Angeles, Howard Hughes Med Inst, Los Angeles, CA 90095 USA
[10] NYU, Sch Med, Dept Microbiol, New York, NY 10016 USA
关键词
D O I
10.1016/j.ccr.2007.11.002
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Enhanced mesenchymal expression of FGF10 led to the formation of multifocal PIN or prostate cancer. Inhibition of epithelial FGFR1 signaling using DN FGFR1 led to reversal of the cancer phenotype. A subset of the FGH10-induced carcinoma was serially transplantable. Paracrine FGH10 led to an increase in epithelial androgen receptor and synergized with cell-autonomous activated AKT. Our observations indicate that stromal FGF10 expression may facilitate the multifocal histology observed in prostate adenocarcinoma and suggest the FGH10/FGFR1 axis as a potential therapeutic target in treating hormone-sensitive or refractory prostate cancer. We also show that transient exposure to a paracrine growth factor may be sufficient for the initiation of oncogenic transformation.
引用
收藏
页码:572 / 585
页数:14
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