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Dilated cardiomyopathy with ataxia syndrome (DCMA) or 3‐methylglutaconic aciduria type V is a rare global autosomal recessive mitochondrial syndrome that is clinically and genetically heterogeneous. It is characterized by early‐onset… Click to show full abstract
Dilated cardiomyopathy with ataxia syndrome (DCMA) or 3‐methylglutaconic aciduria type V is a rare global autosomal recessive mitochondrial syndrome that is clinically and genetically heterogeneous. It is characterized by early‐onset dilated cardiomyopathy and increased urinary excretion of 3‐methylglutaconic acid. As a result, some patients die due to cardiac failure, while others manifest with growth retardation, microcytic anemia, mild ataxia, and mild muscle weakness. DCMA is caused by variants in the DnaJ heat shock protein family (Hsp40) member C19 gene (DNAJC19), which plays an important role in mitochondrial protein import machinery in the inner mitochondrial membrane.
Journal Title: Molecular Genetics & Genomic Medicine
Year Published: 2022
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