Sensors and signals: a coactivator/corepressor/epigenetic code for integrating signal-dependent programs of transcriptional response.
A decade of intensive investigation of coactivators and corepressors required for regulated actions of DNA-binding transcription factors has revealed a network of sequentially exchanged cofactor complexes that execute a series of enzymatic modifications required for regulated gene expression. These coregulator complexes possess "sensing" activities required for interpretation of multiple signaling pathways. In this review, we examine recent progress in understanding the functional consequences of "molecular sensor" and "molecular adaptor" actions of corepressor/coactivator complexes in integrating signal-dependent programs of transcriptional responses at the molecular level. This strategy imposes a temporal order for modifying programs of transcriptional regulation in response to the cellular milieu, which is used to mediate developmental/homeostatic and pathological events.
Rosenfeld
Michael G
MG
Howard Hughes Medical Institute, Department of Molecular Medicine, University of California, San Diego, La Jolla, California 92093, USA. mrosenfeld@ucsd.edu
Lunyak
Victoria V
VV
Glass
Christopher K
CK
D000494:Allosteric Regulation; D000818:Animals; D044127:Epigenesis, Genetic; D006801:Humans; D012097:Repressor Proteins / Q000235:genetics*; D015398:Signal Transduction; D014158:Transcription, Genetic
D012097:Repressor Proteins