Recurrent rhabdomyolysis and exercise intolerance: A new phenotype of late-onset thymidine kinase 2 deficiency

A 29-year-old man developed, since the age of 18, exercise intolerance and exercise-induced rhabdomyolysis, with myoglobinuria. Muscle biopsy showed ragged-red fibers. Multiple mitochondrial DNA deletions were detected. The previously reported pathogenic homozygous mutation c.323C>T (p.Thr108Met)...

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Main Authors: Carlos Pablo de Fuenmayor-Fernández de la Hoz, Germán Morís, Cecilia Jiménez-Mallebrera, Carmen Badosa, Aurelio Hernández-Laín, Alberto Blázquez Encinar, Miguel Ángel Martín, Cristina Domínguez-González
Format: Article
Language:English
Published: Elsevier 2021-03-01
Series:Molecular Genetics and Metabolism Reports
Online Access:http://www.sciencedirect.com/science/article/pii/S2214426920301476