Expression of human cardiac actin in mouse L cells

A sarcomeric actin associates with a nonmuscle cytoskeleton

Peter Gunning, Phyllis Ponte, Larry Kedes, Robert J. Hickey, Arthur I. Skoultchi

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

A cloned human cardiac actin gene, introduced into mouse Ltk- cells, is expressed in several thymidine kinase (tk)-positive cotransfectants. The clones not only produce authentic polyadenylated human cardiac actin mRNA but also synthesize human cardiac actin protein. The cardiac actin protein, normally found only in myofibrils, is stably accumulated at a high level, about one-third that of the endogenous mouse β-actin. Furthermore, this sarcomeric protein partitions between the Triton X-100 insoluble and soluble phases to the same extent as the endogenous β-actin. This suggests that a sarcomeric actin can participate in the formation of Triton X-100-insoluble cytoskeletal structures.

Original languageEnglish (US)
Pages (from-to)709-715
Number of pages7
JournalCell
Volume36
Issue number3
DOIs
StatePublished - 1984

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Cytoskeleton
Actins
Octoxynol
Proteins
Thymidine Kinase
Myofibrils
Clone Cells
Genes
Messenger RNA

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology
  • Medicine(all)

Cite this

Expression of human cardiac actin in mouse L cells : A sarcomeric actin associates with a nonmuscle cytoskeleton. / Gunning, Peter; Ponte, Phyllis; Kedes, Larry; Hickey, Robert J.; Skoultchi, Arthur I.

In: Cell, Vol. 36, No. 3, 1984, p. 709-715.

Research output: Contribution to journalArticle

Gunning, Peter ; Ponte, Phyllis ; Kedes, Larry ; Hickey, Robert J. ; Skoultchi, Arthur I. / Expression of human cardiac actin in mouse L cells : A sarcomeric actin associates with a nonmuscle cytoskeleton. In: Cell. 1984 ; Vol. 36, No. 3. pp. 709-715.
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