" /> Glycogen storage disease ixd - CISMeF





Preferred Label : Glycogen storage disease ixd;

Symbol : GSD9D;

CISMeF acronym : GSD9D;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Muscle phosphorylase kinase deficiency; Gsd ixd; Muscle glycogenosis, X-linked;

Description : Glycogen storage disease type IXd is an X-linked recessive, relatively mild metabolic disorder characterized by variable exercise-induced muscle weakness or stiffness. Most patients have adult-onset of symptoms, and some can remain asymptomatic even in late adulthood. The phenotype is usually only apparent with intense exercise (summary by Preisler et al., 2012).;

Inheritance : X-linked recessive;

Molecular basis : Caused by mutation in the muscle-specific phosphorylase kinase subunit A1 gene (PHKA1, 311870.0001);

Laboratory abnormalities : Increased serum creatine kinase; Myoglobinuria, exercise-induced;

Prefixed ID : #300559;

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04/05/2025


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