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- W2347842392 abstract "Objective To investigate the effect of TGF β 1 and EGF on the proliferation of cultured human prostatic epithelial cells. Methods The primary culture was prepared by collagenase digestion of minced prostatic tissue obtained from prostatectomies of 8 benign prostatic hyperplasia(BPH) patients (aged 53 to 70) and 5 organ donors (aged 23 to 36). Cells were cultured in serum free prostatic epithelial cell growth media and identified by immunocytochemical method. The cells were passaged and cultured in media without bovine pituitary extract (BPE) and then, EGF and TGF β 1 with different concentration were added into the culture either alone or in combination according to the experimental protocol. The cell proliferation was assessed by counting the cell number (BrdU) and ELISA. Results Cultured cells showed typical morphological features of epithelium and stained positive for PSA and Pan Keratin. After 5 7 passages cells went senescence. BPE and EGF enhanced whereas TGF β 1 inhibited the cell proliferation and the inhibition was reversed by increasing the concentrations of EGF. The effect of both TGF β 1 and EGF displayed concentration dependent manner. Conclusions Cell proliferation of the cultured human prostatic epithelial cells could be modulated by TGF β 1 and EGF. These results indicated that TGF β 1 and EGF, as the negative and positive growth factors might play an important role in the pathogenesis of BPH." @default.
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- W2347842392 date "2001-01-01" @default.
- W2347842392 modified "2023-09-27" @default.
- W2347842392 title "The regulation effect of transforming growth factor-β_1, epithelial growth factor on the proliferation of human prostatic epithelial cell in vitro" @default.
- W2347842392 hasPublicationYear "2001" @default.
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