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Trends Cell Biol. 2007 Jul;17(7):353-61. Epub 2007 Jul 20.

The 'Marx' of Groucho on development and disease.

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  • 1Center for Neuronal Survival, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada.

Abstract

Groucho proteins are abundant and broadly expressed nuclear factors that lack intrinsic DNA-binding activity but can interact with a variety of DNA-binding proteins. The recruitment of Groucho to specific gene regulatory sequences results in transcriptional repression. In both invertebrates and vertebrates, Groucho family members act as important regulators of several signaling mechanisms, including the Notch, Wingless/Wnt and Dpp/BMP/TGF-beta signaling pathways. Recent studies of embryonic development in several species point to an important role for Groucho in the regulation of multiple patterning and differentiation events. Moreover, a deregulated expression of human Groucho family members is correlated with several neoplastic conditions. Here we focus on the functions of Groucho proteins during body patterning and their implication in tumorigenesis.

PMID:
17643306
[PubMed - indexed for MEDLINE]
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