Evidence for genetic heterogeneity of pseudohypoaldosteronism type 1: identification of a novel mutation in the human mineralocorticoid receptor in one sporadic case and no mutations in two autosomal dominant kindreds.

Abstract excerpt

Pseudohypoaldosteronism type 1 (PHA1) is characterized by neonatal salt wasting resistant to mineralocorticoids. There are 2 forms of PHA1: the autosomal recessive form with symptoms persisting into adulthood, caused by mutations in the amiloride-sensitive luminal sodium channel, and the autosomal dominant or sporadic form, which shows milder symptoms that remit with age. Mutations in the gene encoding the human...

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