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Trends Cell Biol. 1998 Feb;8(2):58-65.

Id helix-loop-helix proteins in cell growth and differentiation.

Author information

1
Cancer Research Campaign Dept of Gene Regulation, Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Manchester, UK. JNorton@picr.man.ac.uk

Abstract

Id helix-loop-helix proteins function at a general level as positive regulators of cell growth and as negative regulators of cell differentiation. They act as dominant-negative antagonists of other helix-loop-helix transcription factors, which drive cell lineage commitment and differentiation in diverse cell types of higher eukaryotes. In addition, the functions of Id proteins are integrated with cell-cycle-regulatory pathways orchestrated by cyclin-dependent kinases and the retinoblastoma protein. Here, some of the recent advances that highlight the importance of Id proteins as regulatory intermediates for coordinating differentiation-linked gene expression with cell-cycle control in response to extracellular signalling are reviewed.

PMID:
9695810
[Indexed for MEDLINE]

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