scholarly journals Fibroblast Growth Factor Receptor 3 Gene: Regulation by Serum Response Factor

2004 ◽  
Vol 18 (1) ◽  
pp. 241-251 ◽  
Author(s):  
Martina I. Reinhold ◽  
Donald G. McEwen ◽  
Michael C. Naski
Keyword(s):  
Gene Regulation ◽  
Growth Factor ◽  
Fibroblast Growth Factor ◽  
Fibroblast Growth Factor Receptor ◽  
Serum Response Factor ◽  
Growth Factor Receptor ◽  
Response Factor ◽  
Fibroblast Growth ◽  
Serum Response

scholarly journals Basic Fibroblast Growth Factor Activates Serum Response Factor Gene Expression by Multiple Distinct Signaling Mechanisms

1999 ◽  
Vol 19 (6) ◽  
pp. 3977-3988 ◽  
Author(s):  
Jeffrey A. Spencer ◽  
Michael L. Major ◽  
Ravi P. Misra
Keyword(s):  
Growth Factor ◽  
Binding Site ◽  
Fibroblast Growth Factor ◽  
Basic Fibroblast Growth Factor ◽  
Serum Response Factor ◽  
Response Factor ◽  
Fibroblast Growth ◽  
Dependent Component ◽  
Carg Box ◽  
Serum Response

ABSTRACT Serum response factor (SRF) plays a central role in the transcriptional response of mammalian cells to a variety of extracellular signals. It is a key regulator of many cellular early response genes which are believed to be involved in cell growth and differentiation. The mechanism by which SRF activates transcription in response to mitogenic agents has been extensively studied; however, significantly less is known about regulation of the SRF gene itself. Previously, we identified distinct regulatory elements in the SRF promoter that play a role in activation, including a consensus ETS domain binding site, a consensus overlapping Sp/Egr-1 binding site, and two SRF binding sites. We further showed that serum induces SRF by a mechanism that requires an intact SRF binding site, also termed a CArG box. In the present study we demonstrate that in response to stimulation of cells by a purified growth factor, basic fibroblast growth factor (bFGF), the SRF promoter is upregulated by a complex pathway that involves at least two independent mechanisms: a CArG box-independent mechanism that is mediated by an ETS binding site, and a novel CArG box-dependent mechanism that requires both an Sp factor binding site and the CArG motifs for maximal stimulation. Our analysis indicates that the CArG/Sp element activation mechanism is mediated by distinct signaling pathways. The CArG box-dependent component is targeted by a Rho-mediated pathway, and the Sp binding site-dependent component is targeted by a Ras-mediated pathway. Both SRF and bFGF have been implicated in playing an important role in mediating cardiogenesis during development. The implications of our findings for SRF expression during development are discussed.

Fibroblast Growth Factor Receptor Inhibitors

2012 ◽  
Vol 19 (4) ◽  
pp. 687-701
Author(s):  
Suneel Kumar B.V.S ◽  
Lakshmi Narasu ◽  
Rambabu Gundla ◽  
Raveendra Dayam ◽  
Sarma J.A.R.P
Keyword(s):  
Growth Factor ◽  
Fibroblast Growth Factor ◽  
Fibroblast Growth Factor Receptor ◽  
Growth Factor Receptor ◽  
Fibroblast Growth
Sign in / Sign up

Export Citation Format

Share Document