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Preparation of Primary Myogenic Precursor Cell/Myoblast Cultures from Basal Vertebrate Lineages
Published on: April 30, 2014
Cytoskeletal association of muscle-specific mRNAs in differentiating L6 rat myoblasts
Abstract:
The importance of the cytoskeleton in protein synthesis was studied in differentiating L6 rat myoblasts. Soluble and cytoskeletal fractions obtained after gentle, non-ionic detergent lysis of myoblasts and myotubes were analysed for the presence of ribosomes and mRNPs. Polysomal mRNPs were predominantly associated with the cytoskeletal framework and free mRNPs were present in both soluble and cytoskeletal fractions. An examination of the distribution of specific mRNAs in the polysomal and free mRNP populations of both cytoplasmic fractions revealed differences in the pattern of their distribution. It is further demonstrated that in the L6 rat myoblast system, ribosomes and mRNA (or mRNP) are not associated with the microfilaments, unlike in other systems studied.
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