Overexpression of vimentin contributes to prostate cancer invasion and metastasis via src regulation - PubMed (original) (raw)
. 2008 Jan-Feb;28(1A):327-34.
Gang Xu, Mingfu Wu, Yongtao Zhang, Qiong Li, Ping Liu, Tao Zhu, Anping Song, Liangpin Zhao, Zhiqiang Han, Gang Chen, Shixuan Wang, Li Meng, Jianfeng Zhou, Yunping Lu, Shixuan Wang, Ding Ma
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- PMID: 18383865
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Overexpression of vimentin contributes to prostate cancer invasion and metastasis via src regulation
Juncheng Wei et al. Anticancer Res. 2008 Jan-Feb.
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- Errata.
[No authors listed] [No authors listed] Anticancer Res. 2020 Feb;40(2):1183. Anticancer Res. 2020. PMID: 32014972 No abstract available. - Errata.
[No authors listed] [No authors listed] Anticancer Res. 2020 Feb;40(2):1183. Anticancer Res. 2020. PMID: 32014973 No abstract available.
Abstract
A significant proportion of prostate cancer patients treated with curative intent develop advanced disease. At a fundamental biological level, very little is known about what makes the disease aggressive and metastatic. Observational pathology reports and experimental data suggest that an epithelial-mesenchymal transition (EMT) is involved in prostate cancer invasiveness. The mechanism by which vimentin promotes prostate cancer cell invasion and metastasis was examined. The highly metastatic human prostate epithelial cell line PC-3M-1E8 (1E8-H) and the low metastatic line PC-3M-2B4 (2B4-L) were used for comparative proteomic analysis by two-dimensional gel electrophoresis, followed by matrix-assisted laser desorption/time of flight mass spectrometry (MALDI-TOF-MS). A transwell assay was performed to test cell migration and invasion and immunoblotting was used to analyze the relative expression of proteins. High vimentin expression was detected in 1E8-H compared to 2B4-L cells. Down-regulation of vimentin in 1E8-H by antisense-vimentin transfection led to a significant inhibition of invasiveness, and selective stimulation of vimentin activity in 2B4-L by delivery of recombinant vimentin promoted cell invasiveness. Vimentin activity was associated with C-src, beta-catenin and E-cadherin expression. PP2, a specific inhibitor of src family kinases, reduced phospho-beta-catenin expression and induce E-cadherin expression. Vimentin promotes tumor cell invasiveness and the targeting of vimentin/C-src may be a promising strategy for preventing or blocking prostate cancer metastasis.
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