NovelKCNJ5Mutations in Sporadic Aldosterone-Producing Adenoma Reduce Kir3.4 Membrane Abundance
Author(s) -
ChihJen Cheng,
Chih-Chien Sung,
Sheng-Tang Wu,
Yu-Chun Lin,
HueyKang Sytwu,
Chou-Long Huang,
ShihHua Lin
Publication year - 2014
Publication title -
the journal of clinical endocrinology and metabolism
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 2.206
H-Index - 353
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2014-3009
Subject(s) - mutation , mutant , aldosterone , biology , microbiology and biotechnology , wild type , medicine , endocrinology , gene , genetics
Aldosterone-producing adenoma (APA) has been linked to mutations in the KCNJ5 gene encoding the inward-rectifying potassium (K(+)) Kir3.4 channel. These mutations abolish the K(+) selectivity of Kir3.4 and, consequently, cause sodium (Na(+)) leak, depolarized membrane potential, and nonsuppressible aldosterone secretion.
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