Cyclothiazide (BioDeep_00000009375)

描述信息

As a diuretic, cyclothiazide inhibits active chloride reabsorption at the early distal tubule via the Na-Cl cotransporter, resulting in an increase in the excretion of sodium, chloride, and water. Thiazides like cyclothiazide also inhibit sodium ion transport across the renal tubular epithelium through binding to the thiazide sensitive sodium-chloride transporter. This results in an increase in potassium excretion via the sodium-potassium exchange mechanism. The antihypertensive mechanism of cyclothiazide is less well understood although it may be mediated through its action on carbonic anhydrases in the smooth muscle or through its action on the large-conductance calcium-activated potassium (KCa) channel, also found in the smooth muscle. Cyclothiazide is indicated as adjunctive therapy in edema associated with congestive heart failure, hepatic cirrhosis, and corticosteroid and estrogen therapy. It is also indicated in the management of hypertension either as the sole therapeutic agent or to enhance the effectiveness of other antihypertensive drugs in the more severe forms of hypertension.
C - Cardiovascular system > C03 - Diuretics > C03A - Low-ceiling diuretics, thiazides > C03AA - Thiazides, plain
C78275 - Agent Affecting Blood or Body Fluid > C448 - Diuretic > C49185 - Thiazide Diuretic
D002317 - Cardiovascular Agents > D000959 - Antihypertensive Agents
D002317 - Cardiovascular Agents > D045283 - Natriuretic Agents
D045283 - Natriuretic Agents > D004232 - Diuretics
Same as: D01256
Cyclothiazide, a positive allosteric modulator of AMPA receptors, is used frequently to block the desensitization of both native and heterologously expressed AMPA receptors. Cyclothiazide is known to produce a fast inhibition of AMPA receptor desensitization and a much slower potentiation of the AMPA current[1].

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