Growth Regulation of Prostatic Stromal Cells by Prostate-Specific Antigen
Author(s) -
Debra M. Sutkowski,
Robin L. Goode,
Jack Baniel,
Carroll Teater,
Pinchas Cohen,
A. McNulty,
Hansen M. Hsiung,
Gerald W. Becker,
Blake Lee Neubauer
Publication year - 1999
Publication title -
jnci journal of the national cancer institute
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.797
H-Index - 356
eISSN - 1460-2105
pISSN - 0027-8874
DOI - 10.1093/jnci/91.19.1663
Subject(s) - stromal cell , igfbp3 , growth factor , endocrinology , medicine , cell growth , chemistry , hyperplasia , prostate specific antigen , prostate cancer , biology , receptor , biochemistry , cancer
Prostate-specific antigen (PSA) is a serine protease that can cleave insulin-like growth factor-binding protein-3 (IGFBP3), thereby decreasing its affinity for insulin-like growth factor-I (IGF-I). Dissociation of the IGF-I-IGFBP3 complex renders IGF-I available to bind to its receptor and stimulates cellular proliferation. We evaluated the potential for PSA to modulate the effects of IGF-I and IGFBP3 on the proliferation of human benign prostatic hyperplasia (BPH)-derived fibromuscular stromal cells in primary cultures.
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