Journal
GENES
Volume 14, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/genes14081587
Keywords
autism spectrum disorder; developmental delay; limb-girdle muscular dystrophy
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Limb-girdle muscular dystrophies are genetic disorders characterized by progressive proximal muscle weakness. This case report highlights the association between a specific variant in the SGCA gene and neurodevelopmental disorders in a 3-year-old boy with muscular weakness and elevated CK levels.
Limb-girdle muscular dystrophies are a group of genetic disorders classically manifesting with progressive proximal muscle weakness. Affected individuals present with atrophy and weakness of the muscles of the shoulders and hips, and in some cases, intellectual disability or developmental delay has also been reported. Limb-girdle muscular dystrophy-3 is a recessive disorder caused by biallelic variants in the SGCA gene. Similarly, symptoms include proximal muscle weakness, elevated CPK, calf muscle pseudohypertrophy, and mobility issues. Cardiac symptoms and respiratory insufficiency are also common symptoms. This case report details a 3-year-old male with muscular weakness, elevated CK, and a neurodevelopmental disorder in whom a homozygous missense variant in c.229C>T (p.Arg77Cys) associated with limb-girdle muscular dystrophy-3 was found. This report shows the association between SGCA c.229C>T and neurodevelopmental disorders as observed in other muscular dystrophies.
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