" /> Kearns-sayre syndrome - CISMeF





Preferred Label : Kearns-sayre syndrome;

Symbol : KSS;

CISMeF acronym : KSS;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Cpeo with ragged-red fibers; Ophthalmoplegia, progressive external, with ragged-red fibers; Oculocraniosomatic syndrome; Mitochondrial cytopathy; Chronic progressive external ophthalmoplegia with myopathy; Cpeo with myopathy; Ophthalmoplegia, pigmentary degeneration of retina, and cardiomyopathy; Ophthalmoplegia-plus syndrome;

Inheritance : Mitochondrial;

Molecular basis : Caused by mutation in the mitochondrial tRNA (leucine)-1 gene (MTTL1, 590050.0011); Caused by deletion of multiple genes in the mitochondrial DNA;

Laboratory abnormalities : Decreased serum and muscle coenzyme Q; Lactic acidosis; Decreased cerebrospinal fluid folic acid; Mitochondrial DNA deletions; Increased cerebrospinal fluid (CSF) protein ( 100mg/dl);

Prefixed ID : #530000;

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03/05/2025


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