| Literature DB >> 11906205 |
Rajeshwar Awatramani1, Susan Shumas, John Kamholz, Steven S Scherer.
Abstract
We have examined the effects of transforming growth factor beta1 (TGFbeta1) on gene expression in cultured rat Schwann cells (SCs). TGFbeta1 decreased the steady-state mRNA levels of several genes that are expressed by myelinating SCs but had varied effects on the mRNA levels of NCAM, L1, GAP-43, and p75-genes that are expressed by denervated and nonmyelinating SCs. TGFbeta1 antagonized the effects of forskolin on the mRNA levels of the transcription factors Oct-6/tst-1/SCIP and Krox20. Transcriptional run-off analysis demonstrated that the effects of TGFbeta1 on gene expression occur at least in part at the level of transcription. Thus, TGFbeta1 suppresses the expression of genes that characterize the different phenotypes of SCs, and these changes occur at least in part at a transcriptional level.Entities:
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Year: 2002 PMID: 11906205 DOI: 10.1006/mcne.2001.1094
Source DB: PubMed Journal: Mol Cell Neurosci ISSN: 1044-7431 Impact factor: 4.314