Target intelligence / Profile preview

Thiazide-Sensitive Sodium-Chloride Cotransporter (NCC)

Target
NCC
Molecular classification
Transporter, Membrane protein
01

Overview

The thiazide-sensitive sodium-chloride cotransporter (NCC), encoded by the SLC12A3 gene, is a membrane protein located in the apical membrane of distal convoluted tubule (DCT) cells. It mediates electroneutral co-transport of sodium (Na+) and chloride (Cl-) ions from the tubular fluid into the epithelial cells. NCC plays a critical role in regulating salt balance, blood pressure, and overall electrolyte homeostasis. It is the target of thiazide diuretics, widely used antihypertensive agents. Mutations in SLC12A3 cause Gitelman syndrome, a hereditary salt-wasting disorder.

Other names
Sodium-Chloride CotransporterSodium-Chloride SymporterSLC12A3
02

Mechanism of action

Inhibition of Na+ and Cl- reabsorption in the distal convoluted tubule

03

Biological functions

Sodium reabsorptionChloride reabsorptionSalt balance regulationBlood pressure regulationElectrolyte homeostasis
04

Disease associations

HypertensionGitelman syndrome
05

Safety considerations

Electrolyte imbalances (hypokalemia, hypomagnesemia)Hypotension
06

Interacting drugs

Thiazide diuretics

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