Expression of a transfected mouse muscle-creatine kinase gene is induced upon growth factor deprivation of myogenic but not of nonmyogenic cells

Jane E. Johnson, Cyndy L. Gartside, James B. Jaynes, Stephen D. Hauschka

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

To determine whether mitogen-regulated expression of skeletal muscle genes is independent of cell type, muscle and nonmuscle cells were transfected with cloned 5′-flanking sequences of muscle creatine kinase (MCK) fused to a heterologous reporter gene and tested for expression in high and low mitogen culture conditions. Consistent with the behavior of endogenous MCK, a -3300MCK-CAT gene is expressed at high levels in differentiated muscle cells but at low to undetectable levels in proliferating myoblasts and in either mitogen-deprived or stimulated nonmuscle cells of mesodermal, ectodermal, or endodermal origin. A -776MCK-CAT gene behaves similarly with respect to its cell type specificity but it supports only an intermediate expression level in response to mitogen deprivation in skeletal muscle cells. These data suggest that the -3300 to +7 nucleotide region of mouse MCK contains one or more elements which are activable by mitogen deprivation only in myogenic cells.

Original languageEnglish (US)
Pages (from-to)258-262
Number of pages5
JournalDevelopmental Biology
Volume134
Issue number1
DOIs
StatePublished - Jul 1989

ASJC Scopus subject areas

  • Molecular Biology
  • Developmental Biology
  • Cell Biology

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