Document Detail


The role of polycomb group proteins in cell cycle regulation during development.
MedLine Citation:
PMID:  16721063     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Polycomb group (PcG) and trithorax group (trxG) proteins are evolutionarily conserved chromatin modifiers that have well known roles in the maintenance of silent and active expression states of homeotic genes. PcG proteins may also be involved in the control of cellular proliferation, as several PcG complexes have been shown to act either as proto-oncogenes or as tumor suppressors in vertebrates. In Drosophila, PcG factors associate with specific DNA regions termed PcG response elements (PREs), and a PRE was recently identified in the gene encoding Cyclin A. Still, it is not yet clear how PcG complexes could control cell cycle progression. Beyond acting as stable silencers of cell cycle genes during the differentiation process, PcG complexes might also be integrators and/or modulators of cell cycle checkpoints in dividing cells. Here, we discuss this dual aspect of PcG involvement in epigenetic cell cycle control.
Authors:
Anne-Marie Martinez; Giacomo Cavalli
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review     Date:  2006-06-01
Journal Detail:
Title:  Cell cycle (Georgetown, Tex.)     Volume:  5     ISSN:  1551-4005     ISO Abbreviation:  Cell Cycle     Publication Date:  2006 Jun 
Date Detail:
Created Date:  2006-06-15     Completed Date:  2006-08-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  101137841     Medline TA:  Cell Cycle     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1189-97     Citation Subset:  IM    
Affiliation:
Institute of Human Genetics, CNRS, Montpellier, France. Anne-Marie.Martinez@igh.cnrs.fr
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MeSH Terms
Descriptor/Qualifier:
Animals
Cell Cycle / genetics,  physiology*
Drosophila
Epigenesis, Genetic / physiology
Growth and Development
Repressor Proteins / physiology*
Chemical
Reg. No./Substance:
0/Repressor Proteins; 0/polycomb group proteins

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