Phosphoglycerate mutase deficiency (glycogen storage disease X) caused by a novel variant in PGAM-M.

Abstract excerpt

Phosphoglycerate mutase enzyme deficiency in muscle causes a metabolic myopathy (glycogen storage disease X) characterized by exertional muscle contractures, weakness, hyperCKemia, and myoglobinuria. Six different autosomal recessive variants in PGAM-M have been described thus far (Salameh et al., 2013). In this case report, we report a novel disease-causing variant. A 52-year-old African-American woman presented...

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