Enalapril Attenuates the Exaggerated Sympathetic Response to Physical Stress in Prenatally Programmed Hypertensive Rats

作者: Masaki Mizuno , German Lozano , Khurrum Siddique , Michel Baum , Scott A. Smith

DOI: 10.1161/HYPERTENSIONAHA.113.02330

关键词:

摘要: Adulthood hypertension can be prenatally programmed by maternal dietary protein deprivation. We have shown that the sympathetically mediated pressor response to physical stress is exaggerated in hypertensive (PPH) rats. The mechanisms underlying this abnormal responsiveness remain undetermined. renin–angiotensin system known affect sympathetic nerve activity. Therefore, purpose of study was determine whether inhibition attenuates enhanced and responses PPH Changes renal activity blood pressure hindlimb contraction, stretch, intra-arterial capsaicin administration were assessed control rats treated (from age 3 weeks) with either vehicle or angiotensin-converting enzyme inhibitor enalapril. Conscious resting systolic arterial significantly greater (142±5 mm Hg) than (128±2 after treatment ( P

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