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Oncol Rep. 2013 Aug;30(2):615-22. doi: 10.3892/or.2013.2305. Epub 2013 Feb 26.

Multiple metastases in a novel LNCaP model of human prostate cancer.

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Department of Nuclear Medicine, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510630, PR China.


Metastasis is a frequent and lethal consequence of prostate cancer. Current treatments for metastasis are palliative only. Thus, experimental animal models of metastatic prostate cancer are required for investigations of its pathogenesis and for the development of treatment strategies; however, few models exist at present. In the present study, the LNCaP prostate cancer cell line was co-transfected with a PGK-luciferase-GFP lentivirual vector (LNCaP-luc). Repeated subcutaneous injections of LNCaP-luc cells with Matrigel in nude mice followed by isolation of the cells from tumors resulted in the generation of the LNCaP1-luc cell line. We used CCK-8 and Transwell migration assays, western blot analysis and polymerase chain reaction to detect differences in the characteristics between the LNCaP-luc and LNCaP1-luc cells, and used LNCaP cells to generate a mouse model of metastatic prostate cancer by intracardiac injection. Metastasis was evaluated by bioluminescence imaging, and histological and immunohistochemical staining. the characteristics of the LNCaP1-luc cells differed from those of LNCaP cells, and LNCaP1-luc cells showed increased cell proliferation, cell invasion, tumorigenicity and metastasis potential, and underwent epithelial-mesenchymal transition. In addition, the LNCaP1-luc cells induced multiple metastases in mice when injected into the left cardiac muscle.

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