SQ28603 (SQ28,603)

SQ28603 (SQ28,603) 是中性肽链内切酶 3.4.24.11 (NEP) 的有效选择性抑制剂，NEP 是一种降解心房利钠肽 (ANP) 的酶。

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1mg

￥4275.00

3420.00

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5mg

￥8562.00

6850.00

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10mg

￥14400.00

11520.00

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20mg

￥25425.00

20340.00

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Background

SQ28603 is a potent and selective inhibitor of neutral endopeptidase 3.4.24.11 (NEP), an enzyme that degrades atrial natriuretic peptide (ANP).

In conscious deoxycorticosterone acetate (DOCA)/salt hypertensive rats, 300 μmol/kg, i.v., of SQ28603 significantly lowers mean arterial pressure (MAP) from 177±12 to 154±8 mm Hg and increases urinary cyclic guanosine monophosphate (GMP) excretion from 204±70 to 1,068±326 pmol/kg/min within 2 h. SQ28603 also significantly reduces NEP activity by 95% in the kidneys (1.28±0.08 vs. 18.35±0.61 μmol/min after SQ28603 and vehicle respectively) and by 77% in the lungs (0.29±0.03 vs. 0.92±0.14 μmol/kg after SQ28603 and vehicle, respectively). In conclusion, inhibition of NEP activity by SQ28603 significantly decreases MAP and increases plasma ANP concentrations and urinary excretion of cyclic GMP in conscious DOCA/salt hypertensive rats[1]. The potent neutral endopeptidase inhibitor SQ28603 significantly increases excretion of sodium from 4.9±2.3 to 14.3±2.1 muequiv./min and cyclic 3',5'-guanosine monophosphate from 118±13 to 179±18 pmol/min after intravenous administration of 300 μmol/kg (approximately 80 mg/kg) in conscious female cynomolgus monkeys[2].

[1]. Seymour AA, et al. Antihypertensive and renal activity of SQ 28,603, an inhibitor of neutral endopeptidase. J Cardiovasc Pharmacol. 1991 Feb;17(2):296-304. [2]. Seymour AA, et al. Evaluation of SQ 28,603, an inhibitor of neutral endopeptidase, in conscious monkeys. Can J Physiol Pharmacol. 1991 Oct;69(10):1609-17.