Induction of myosin light chain synthesis in heterokaryons between normal diploid cells |
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Authors: | Woodring E Wright |
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Institution: | (1) Departments of Cell Biology and Internal Medicine, University of Texas Health Science Center at Dallas, 75235 Dallas, Texas |
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Abstract: | Summary Quail myoblasts were maintained in an undifferentiated state by first blocking differentiation with 5-bromodeoxyuridine and
then reversing the block in the presence of phorbol-12-myristate-13-acetate. The synthesis of quail skeletal myosin light
chain 1 is induced in heterokaryons formed by fusing these undifferentiated quail myoblasts to differentiated chick myocytes.
These results extend observations previously obtained using an established line of rat myoblasts and indicate that the induction
is a result of regulatory interactions present in normal diploid cells.
This work was supported by grants from the Muscular Dystrophy Association and the National Institutes of Health. |
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Keywords: | cell fusion heterokaryons myogenesis induction differentiation |
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