Elevated arterial cyclic AMP levels during the development of spontaneous hypertension in rats
1985
Abstract Vascular cyclic AMP alterations were studied during the initiation of vascular hypertrophy and hyperplasia in spontaneously hypertensive rats (SHR). The onset of hypertension at 6 weeks of age coexisted with a three-fold elevation in the aortic content and concentration of cyclic AMP, whereas aortic DNA and protein contents were identical to those of WKY controls. A similar cyclic AMP elevation was present in 12-week-old SHR when vascular hypertrophy and hyperplasia were already established. These experiments suggest the participation of cyclic AMP in the process of hypertensive vascular growth.
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