A novel frameshift ACTN2 variant causes a rare adult-onset distal myopathy with multi-minicores.

Abstract excerpt

INTRODUCTION: Distal myopathies are a group of rare muscle disorders characterized by selective or predominant weakness in the feet and/or hands. In 2019, ACTN2 gene was firstly identified to be a cause of a new adult-onset distal muscular dystrophy calling actininopathy and another distinctly different myopathy, named multiple structured core disease (MsCD). Thus, the various phenotypes and limited mutations in...

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