2017
DOI: 10.1002/cbin.10713
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Skeletal muscle atrophy is induced by Fbxw7β via atrogene upregulation

Abstract: Muscle atrophy decreases skeletal muscle mass and is induced by inherited cachectic symptoms, genetic disorders, and sarcopenia. However, the molecular pathways associated with the onset of muscle atrophy are still unclear. In this study, we evaluated Fbxw7β, a gene associated with the development of muscle atrophy in vitro and in vivo. Among the three Fbxw7 isoforms, ectopically overexpressed Fbxw7β induced the expression of myogenin and major atrogene markers (atrogin-1 and MuRF-1) and reduced myoblast diffe… Show more

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Cited by 4 publications
(2 citation statements)
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References 29 publications
(46 reference statements)
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“…In line with in vitro data, mice overexpressing the β-isoform of Fbxw7 undergo skeletal muscle atrophy, which is mediated by the up-regulation of major atrogene markers such as Fbxo32 and MuRF-1 [148]. These results point out the importance of the developmental down-regulation of Fbxw7β for proper myogenesis and muscle growth [147].…”
Section: Fbxw7supporting
confidence: 72%
“…In line with in vitro data, mice overexpressing the β-isoform of Fbxw7 undergo skeletal muscle atrophy, which is mediated by the up-regulation of major atrogene markers such as Fbxo32 and MuRF-1 [148]. These results point out the importance of the developmental down-regulation of Fbxw7β for proper myogenesis and muscle growth [147].…”
Section: Fbxw7supporting
confidence: 72%
“…51 The same group additionally showed that overexpression of Fbxw7b induces the expression of myogenin and major atrogene markers (atrogin-1 and MuRF-1) and eventually reduces myoblast differentiation. 52 Trio ES in individual BAB9309 revealed a de novo frameshift deletion (GenBank: NM_012231; c.4283_4295del [p.Leu1428Glnfs*15]) in PR domain-containing protein 2 (PRDM2 [MIM: 601196]). The fraction of variant reads (12/150, 8.0%) suggested somatic mosaicism, an experimental conclusion that was supported by an independent orthogonal experimental approach that used ddPCR ( Figure 7A).…”
Section: Possibly Causative Arthrogryposis-associated Genesmentioning
confidence: 99%