Cell Metabolism
Volume 21, Issue 4, 7 April 2015, Pages 515-516
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One Small Step for Muscle: A New Micropeptide Regulates Performance

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Micropeptides represent an emerging class of eukaryotic regulators that are easily missed in conventional genome annotation. Anderson et al. (2015) describe how a new tissue-specific micropeptide, myoregulin (MLN), interacts with the skeletal muscle calcium handling machinery to moderate contractile activity, representing a promising drug target for improving muscle performance.

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