" /> Bartter syndrome, type 3 - CISMeF





Preferred Label : Bartter syndrome, type 3;

Symbol : BARTS3;

CISMeF acronym : BARTS3;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Bartter syndrome, classic;

Included titles and symbols : Bartter syndrome, type 3, with hypocalciuria;

Description : Bartter syndrome refers to a group of disorders that are unified by autosomal recessive transmission of impaired salt reabsorption in the thick ascending loop of Henle with pronounced salt wasting, hypokalemic metabolic alkalosis, and hypercalciuria. Clinical disease results from defective renal reabsorption of sodium chloride in the thick ascending limb (TAL) of the Henle loop, where 30% of filtered salt is normally reabsorbed (Simon et al., 1997). - Genetic Heterogeneity of Bartter Syndrome Antenatal Bartter syndrome type 1 (601678) is caused by loss-of-function mutations in the butmetanide-sensitive Na-K-2Cl cotransporter NKCC2 (SLC12A1; 600839). Antenatal Bartter syndrome type 2 (241200) is caused by loss-of-function mutations in the ATP-sensitive potassium channel;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutation in the kidney chloride channel B gene (CLCNKB, 602023.0001);

Laboratory abnormalities : Hypokalemia; Increased serum bicarbonate; Increased urinary potassium; Increased urinary chloride; Hypocalciuria or normocalciuria;

Prefixed ID : #607364;

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03/05/2025


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