Why the study?
Does renin secretion differ in response to arterial pressure reduction and beta-adrenoceptor stimulation in Lyon hypertensive rats compared to normotensive rats?
Population
Conscious unrestrained Lyon hypertensive rats and Lyon normotensive rats under normal-salt diet, plus…
Comparison
Reductions of arterial pressure, isoprenaline… vs Lyon normotensive (LN) rats.
Design
Preclinical
Follow-up
3 hours (acute observation)
Authors
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Altered renin control in this genetic hypertension model warrants caution extrapolating to humans; leaves open beta-adrenergic mechanisms in essential hypertension.
Does renin secretion differ in response to arterial pressure reduction and beta-adrenoceptor stimulation in Lyon hypertensive rats compared to normotensive rats?
In Lyon hypertensive rats, renin secretion is independent of spontaneous mean arterial pressure variations and poorly responsive to beta-adrenoceptor stimulation, independent of ANG II feedback.
Bertolino et al. (1996) studied this question.
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