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A MyoD-generated feed-forward circuit temporally patterns gene expression during skeletal muscle differentiation

Open access
Penn, Bennett H., Bergstrom, Donald A., Dilworth, F. Jeffrey, Bengal, Eyal, Tapscott, Stephen J.·2004·Genes & Development

Abstract

The development and differentiation of distinct cell types is achieved through the sequential expression of subsets of genes; yet, the molecular mechanisms that temporally pattern gene expression remain largely unknown. In skeletal myogenesis, gene expression is initiated by MyoD and includes the expression of specific Mef2 isoforms and activation of the p38 mitogen-activated protein kinase (MAPK) pathway. Here, we show that p38 activity facilitates MyoD and Mef2 binding at a subset of late-activated promoters, and the binding of Mef2D recruits Pol II. Most importantly, expression of late-activated genes can be shifted to the early stages of differentiation by precocious activation of p38 and expression of Mef2D, demonstrating that a MyoD-mediated feed-forward circuit temporally patterns gene expression.

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Metadata

Authors
Penn, B. H., Bergstrom, D. A., Dilworth, F. J., Bengal, E., & Tapscott, S. J.
Venue
Genes & Development
Published
2004-10-01
Volume
18
Issue
19
Pages
2348-2353
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2003020245
Cited by
184
References
3
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: A MyoD-generated feed-forward circuit temporally patterns gene expression during skeletal muscle differentiation. https://app.cochat.ai/papers/10.1101/gad.1234304
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Penn, B. H., Bergstrom, D. A., Dilworth, F. J., Bengal, E., & Tapscott, S. J. (2004). A MyoD-generated feed-forward circuit temporally patterns gene expression during skeletal muscle differentiation. Genes & Development. https://doi.org/10.1101/gad.1234304

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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