Abstract
In this report, we examine the involvement of the ubiquitin-proteasome pathway during fusion and differentiation of myoblast primary cell cultures. Up-regulation of proteasome was observed at the maximum fusion rate and was preceded by an increase of unidentified ubiquitin-conjugates. Cell permeable proteasome inhibitors prevent fusion as do antisense oligodesoxyribonucleotides targetted to three proteasome subunits. Identical results were obtained using E3 ubiquitin-ligases dipeptide inhibitor. Involvement of the ubiquitin-proteasome pathway in the regulation of myogenic factors was hypothetized.
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Gardrat, F., Montel, V., Raymond*, J. et al. Proteasome and myogenesis. Mol Biol Rep 24, 77–81 (1997). https://doi.org/10.1023/A:1006877214153
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DOI: https://doi.org/10.1023/A:1006877214153