Article
Epidermal growth factor and platelet-derived growth factor regulate the activity of the insulin-like growth factor I gene promoter.
Experimental gerontology - 1 Jan 2000
Li S, Baserga R
Abstract excerpt
The expression of insulin-like growth factor I (IGF-I) is regulated by hormones, oncogenes, and other growth factors, and is markedly decreased or even absent in senescent human diploid fibroblasts. In previous articles, we have reported that the SV40 large T antigen increases the production of IGF-I and that the expression of the IGF-I gene is negatively regulated by an E2F binding site in the IGF-I promoter. We...
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