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Cell biochemistry and biophysics

HoxA10 induces proliferation in human prostate carcinoma PC-3 cell line.


PMID 24951955

Abstract

The objectives of this study were to examine the expression levels of Homeobox A10 (HoxA10) in prostate cancer cells and to study the molecular mechanism of HoxA10-mediated regulation of prostate cancer cell growth and development. We investigated the effect of HoxA10 on cell proliferation by stably overexpressing or silencing HoxA10 in prostate cancer PC-3 cell line using lentiviral vectors. Quantitative real-time PCR and western blotting analysis were used to compare the expressions of HoxA10 in prostate cancer cell lines and normal prostate epithelium. Cancer cell proliferation was examined by MTT assay and colony formation assay. The levels of HoxA10 expression were significantly increased in prostate cancer cell lines and tissues compared to those in normal prostate epithelium. Overexpression of HoxA10 in PC-3 cells induced significant cancer cell proliferation, whereas silencing of HoxA10 expression by RNAi resulted in decreased proliferation rates. HoxA10 was highly expressed in prostate cancer cells and tissues, suggesting its functional involvement in cancer cell proliferation. We successfully overexpressed or silenced HoxA10 in prostate cancer PC-3 cell line and discovered that the levels of HoxA10 directly correlate with cancer cell proliferation. These findings contribute to a better understanding of the regulatory mechanism of HoxA10 in prostate cancer.

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