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Curr Opin Genet Dev. 1998 Oct;8(5):539-44.

Muscle differentiation: more complexity to the network of myogenic regulators.

Author information

1
Department of Cell and Molecular Biology, Institute of Biochemistry andBiotechnology, University of Braunschweig, Spielmannstrasse 7, 38106, Braunschweig, Germany. arnold@alpha.bio.nat.tu-bs.de

Abstract

Recent genetic and biochemical approaches have advanced our understanding of control mechanisms underlying myogenesis in vertebrate organisms. In particular, systematic combinations of targeted gene disruptions in mice have revealed unique and overlapping functions of members of the MyoD family of transcription factors within the regulatory network that establishes skeletal muscle cell lineages. Moreover, Pax3 has been identified as a key regulator of myogenesis which seems to act genetically upstream of MyoD. In addition, novel genes have been discovered that modulate myogenesis and the activity of myogenic basic helix-loop-helix (bHLH) proteins in positive or negative ways. The molecular mechanisms of these interactions and cooperativity are being elucidated, most notably between the myogenic bHLH factors and MEF2 transcription factors.

PMID:
9794824
DOI:
10.1016/s0959-437x(98)80008-7
[Indexed for MEDLINE]

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