Opposing actions of TGFbeta1 and FGF2 on growth, differentiation and extracellular matrix accumulation in prostatic stromal cells.

CROSS, Neil A, REID, Sheilagh V, HARVEY, Amanda J, JOKONYA, Nickie and EATON, Colby L (2006). Opposing actions of TGFbeta1 and FGF2 on growth, differentiation and extracellular matrix accumulation in prostatic stromal cells. Growth Factors, 24 (4), 233-241.

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Abstract

TGFbeta 1 and FGF2 are autocrine growth factors in prostatic stroma and are elevated in benign prostatic hyperplasia (BPH), a disease characterized by enlargement of the stromal compartment of the prostate. TGFbeta1 has a biphasic effect on proliferation of prostatic stromal cells, inducing proliferation at low doses (< 1 ng/ml), but inhibiting growth above 1 ng/ml. This study investigated the role of TGFP 1 and FGF2 on growth factor bioavailability and extracellular matrix (ECM) accumulation synthesis in cultured prostatic stromal cells. Real-Time-PCR showed that TGFbeta1 expression is auto-inductive, whereas FGF2 is auto-repressive. FGF2 also induced TGFbeta1 secretion in the absence of increased TGFbeta1 mRNA expression. TGFbeta1 and FGF2 have opposing actions on Type 1 collagen expression, a finding confirmed by Western blotting. The bioavailability of TGFbeta1 regulated by FGF2 may represent part of a negative feedback mechanism controlling stromal growth, differentiation and ECM. Dysregulation of this pathway in favour of TGFbeta1 bioactivity may exacerbate BPH.

Item Type:	Article
Research Institute, Centre or Group - Does NOT include content added after October 2018:	Biomedical Research Centre
Identification Number:	https://doi.org/10.1080/08977190600976501
Page Range:	233-241
Depositing User:	Jamie Young
Date Deposited:	01 Jun 2015 11:48
Last Modified:	18 Mar 2021 18:45
URI:	https://shura.shu.ac.uk/id/eprint/9978

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