" /> 5-oxoprolinase deficiency - CISMeF





Preferred Label : 5-oxoprolinase deficiency;

Symbol : OPLAHD;

CISMeF acronym : OPLAHD;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : 5-oxoprolinuria due to 5-oxoprolinase deficiency;

Description : 5-Oxoprolinuria can be caused by genetic defects in either of 2 enzymes involved in the gamma-glutamyl cycle of glutathione metabolism: glutathione synthetase (GSS; 601002) or 5-oxoprolinase (OPLAH; 614243). GSS deficiency (266130) is best characterized as an inborn error of glutathione metabolism, but there is debate as to whether OPLAH deficiency represents a disorder or simply a biochemical condition with no adverse clinical effects because patients lack a consistent clinical picture apart from 5-oxoprolinuria (summary by Calpena et al., 2013).;

Inheritance : Autosomal recessive; Autosomal dominant;

Molecular basis : Caused by mutation in the 5-oxoprolinase gene (OPLAH, 614243.0001);

Laboratory abnormalities : Excessive urinary 5-oxo-L-proline; 5-oxoprolinase deficiency;

Prefixed ID : #260005;

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02/05/2025


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