Requirement for serum response factor for skeletal muscle growth and maturation revealed by tissue-specific gene deletion in mice

Shijie Li, Michael P. Czubryt, John McAnally, Rhonda Bassel-Duby, James A. Richardson, Franziska F. Wiebel, Alfred Nordheim, Eric N. Olson

Research output: Contribution to journalArticle

191 Citations (Scopus)

Abstract

Serum response factor (SRF) controls the transcription of muscle genes by recruiting a variety of partner proteins, including members of the myocardin family of transcriptional coactivators. Mice lacking SRF fail to form mesoderm and die before gastrulation, precluding an analysis of the roles of SRF in muscle tissues. To investigate the functions of SRF in skeletal muscle development, we conditionally deleted the Srf gene in mice by skeletal muscle-specific expression of Cre recombinase. In mice lacking skeletal muscle SRF expression, muscle fibers formed, but failed to undergo hypertrophic growth after birth. Consequently, mutant mice died during the perinatal period from severe skeletal muscle hypoplasia. The myopathic phenotype of these mutant mice resembled that of mice expressing a dominant negative mutant of a myocardin family member in skeletal muscle. These findings reveal an essential role for the partnership of SRF and myocardin-related transcription factors in the control of skeletal muscle growth and maturation in vivo.

Original languageEnglish (US)
Pages (from-to)1082-1087
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume102
Issue number4
DOIs
StatePublished - Jan 25 2005

Fingerprint

Serum Response Factor
Gene Deletion
Skeletal Muscle
Growth
Muscles
Gastrulation
Muscle Development
Mesoderm
Genes
Transcription Factors
Parturition
Phenotype
myocardin

Keywords

  • Hypertrophy
  • Myocardin-related transcription factor
  • Myofiber
  • Myopathy

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

Requirement for serum response factor for skeletal muscle growth and maturation revealed by tissue-specific gene deletion in mice. / Li, Shijie; Czubryt, Michael P.; McAnally, John; Bassel-Duby, Rhonda; Richardson, James A.; Wiebel, Franziska F.; Nordheim, Alfred; Olson, Eric N.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 102, No. 4, 25.01.2005, p. 1082-1087.

Research output: Contribution to journalArticle

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