" /> Hyperaldosteronism, familial, type I - CISMeF





Preferred Label : Hyperaldosteronism, familial, type I;

Symbol : HALD1;

CISMeF acronym : GRA; GSH; HALD1;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Aldosteronism, sensitive to dexamethasone; Glucocorticoid-remediable aldosteronism; Glucocorticoid-suppressible hyperaldosteronism; GRA; Acth-dependent hyperaldosteronism syndrome; GSH; Fh I;

Description : Glucocorticoid-remediable aldosteronism is an autosomal dominant disorder characterized by hypertension, variable hyperaldosteronism, and abnormal adrenal steroid production, including 18-oxocortisol and 18-hydroxycortisol (Lifton et al., 1992). There is significant phenotypic heterogeneity, and some individuals never develop hypertension (Stowasser et al., 2000). - Genetic Heterogeneity of Familial Hyperaldosteronism Familial hyperaldosteronism type II (605635) has been mapped to chromosome 7p22. Familial hyperaldosteronism type III (613677) is caused by mutation in the KCNJ5 gene (600734) on chromosome 11q24.;

Inheritance : Autosomal dominant;

Molecular basis : Caused by fusion of the cytochrome P450, subfamily XIB, polypeptide 1 gene (CYP11B1, 610613) and the cytochrome P450, subfamily XIB, polypeptide 2 gene (CYP11B2, 124080);

Laboratory abnormalities : Normal or decreased serum potassium; Increased aldosterone; Low plasma renin activity; Increased 18-oxocortisol; Increased 18-hydroxycortisol;

Prefixed ID : #103900;

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24/05/2025


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