SLC12A3 and Gordon syndrome: FHHt(familial hyperkalaemic hypertension; also known as Gordon's syndrome) is a salt-dependentform of hypertension caused by mutations in the regulators of the thiazide-sensitiveNa+–Cl− co-transporter NCC [also known as SLC12A3 (solutecarrier family 12 member 3)] and is effectively treated by thiazide diuretics and/or dietary saltrestriction.