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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
1
|
| pubmed:dateCreated |
1990-8-13
|
| pubmed:abstractText |
The effects of specific active immunization against renin were compared with those of chronic angiotensin converting enzyme (ACE) inhibition. Male spontaneously hypertensive rats (SHR) were immunized (SHR-I) (n = 10) against pure murine renin (four injections of 30 micrograms/kg s.c.) or received (SHR-P) (n = 11) a converting enzyme inhibitor (perindopril, 2 mg/kg/day per os for 4 weeks). Sham-immunized SHR (SHR-S) (n = 12) and normotensive Wistar-Kyoto (WKY-S) (n = 12) rats served as controls. At 15 weeks of age, 24-hour average blood pressure was obtained in freely moving rats using intra-aortic pressure recording with computer analysis. Antirenin immunization induced high circulating titers of antibodies, a fall in plasma renin activity (-95%), and urinary excretion of mineralocorticoids. Perindopril abolished the pressor response to angiotensin I, whereas plasma ACE was only partly (-56%) decreased. It also increased plasma renin activity and did not alter the urinary excretion of steroids. Both immunization and perindopril allowed the blood pressure of SHR to return to the level of WKY-S rats and reduced the left ventricular weight. These decreases were associated with an elevated sympathetic nervous system activity as indicated by increases in the urinary excretion of catecholamines and their metabolites. It is conclude that, apart from an unaltered steroid synthesis, most of the cardiovascular effects of chronic ACE inhibition are similar to those of antirenin immunization, thus indicating that blockade of the circulating and renal renin-angiotensin system accounts for most of the effects of ACE inhibitors.
|
| pubmed:language |
eng
|
| pubmed:journal | |
| pubmed:citationSubset |
IM
|
| pubmed:chemical | |
| pubmed:status |
MEDLINE
|
| pubmed:month |
Jul
|
| pubmed:issn |
0194-911X
|
| pubmed:author | |
| pubmed:issnType |
Print
|
| pubmed:volume |
16
|
| pubmed:owner |
NLM
|
| pubmed:authorsComplete |
Y
|
| pubmed:pagination |
80-8
|
| pubmed:dateRevised |
2006-11-15
|
| pubmed:meshHeading |
pubmed-meshheading:2194942-Angiotensin-Converting Enzyme Inhibitors,
pubmed-meshheading:2194942-Animals,
pubmed-meshheading:2194942-Blood Pressure,
pubmed-meshheading:2194942-Body Weight,
pubmed-meshheading:2194942-Drinking,
pubmed-meshheading:2194942-Heart Rate,
pubmed-meshheading:2194942-Hypertension,
pubmed-meshheading:2194942-Immunization,
pubmed-meshheading:2194942-Kidney,
pubmed-meshheading:2194942-Male,
pubmed-meshheading:2194942-Pressoreceptors,
pubmed-meshheading:2194942-Rats,
pubmed-meshheading:2194942-Rats, Inbred SHR,
pubmed-meshheading:2194942-Rats, Inbred WKY,
pubmed-meshheading:2194942-Reflex,
pubmed-meshheading:2194942-Renin,
pubmed-meshheading:2194942-Renin-Angiotensin System,
pubmed-meshheading:2194942-Sympathetic Nervous System
|
| pubmed:year |
1990
|
| pubmed:articleTitle |
Antirenin immunization versus angiotensin converting enzyme inhibition in rats.
|
| pubmed:affiliation |
Department of Physiology and Clinical Pharmacology, Faculty of Pharmacy, CNRS URA 606, Lyon, France.
|
| pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
|