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Epithelial sodium channels are amiloride-sensitive members of the degenerin/epithelial sodium channel (Deg/ENaC) superfamily of ion channels. Members of this superfamily of ion channels share organizational similarity in that they all possess two short intracellular amino and carboxyl termini, two short membrane spanning segments, and a large extracellular loop with a conserved cysteine-rich region. There are three homologous isoforms of the ENaC (alpha, beta, and gamma) protein. ENaC in the kidney, lung, and colon plays an essential role in trans-epithelial sodium and fluid balance. ENaC also mediates aldosterone-dependent sodium reabsorption in the distal nephron of the kidney, thus regulating blood pressure. ENaC is thought to be regulated, in part, through association with the cystic fibrosis transmembrane conductance regulator (CFTR) chloride ion channel. Gain-of-function mutations in beta- or gamma-ENaC can cause severe arterial hypertension (Liddel’s syndrome) and loss-of-function mutations in alpha- or beta-ENaC causes pseudohypoaldosteronism (PHA-1).
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: alpha ENaC-2; Alpha-ENaC; Alpha-NaCH; amiloride-sensitive epithelial sodium channel; amiloride-sensitive epithelial sodium channel alpha subunit; Amiloride-sensitive sodium channel subunit alpha; amiloride-sensitive sodium channel subunit alpha 2; ENaC alpha; Epithelial Na(+) channel subunit alpha; epithelial sodium channel alpha subunit; FLJ21883; nasal epithelial sodium channel alpha subunit; Nonvoltage-gated sodium channel 1 subunit alpha; SCNEA; sodium channel, non voltage gated 1 alpha subunit; sodium channel, non-voltage-gated 1 alpha subunit; sodium channel, nonvoltage-gated 1 alpha; sodium channel, nonvoltage-gated, type I, alpha; sodium channel, nonvoltage-gated, type I, alpha polypeptide
基因别名: BESC2; ENaC; ENaCa; ENaCalpha; mENaC; Renac; SCNEA; SCNN1; SCNN1A
UniProt ID: (Human) P37088, (Rat) P37089, (Mouse) Q61180
Entrez Gene ID: (Human) 6337, (Rat) 25122, (Mouse) 20276