Leslie A. Leinwand

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PGC-1α is a transcriptional coactivator induced by exercise that gives muscle many of the best known adaptations to endurance-type exercise but has no effects on muscle strength or hypertrophy. We have identified a form of PGC-1α (PGC-1α4) that results from alternative promoter usage and splicing of the primary transcript. PGC-1α4 is highly expressed in(More)
In this issue of Cell, Loffredo et al. demonstrate that exposing an old mouse to the circulatory system of a young mouse reverses age-related cardiac hypertrophy. The authors demonstrate that this effect can be recapitulated by treating old mice with growth and differentiation factor 11 (GDF11). These data suggest that GDF11 therapy may be a useful tool in(More)
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