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Lowder SC, Hamet P, Liddle GW. Contrasting effects of hypoglycemia on plasma renin activity and cyclic adenosine 3',5'-monophosphate (cyclic AMP) in low renin and normal renin essential hypertension. Circ Res. 1976;38(2):105-8doi: 10.1161/01.res.38.2.105.
Lowder, S. C., Hamet, P., & Liddle, G. W. (1976). Contrasting effects of hypoglycemia on plasma renin activity and cyclic adenosine 3',5'-monophosphate (cyclic AMP) in low renin and normal renin essential hypertension. Circulation research, 38(2), 105-8. https://doi.org/10.1161/01.res.38.2.105
Lowder, S C, et al. "Contrasting effects of hypoglycemia on plasma renin activity and cyclic adenosine 3',5'-monophosphate (cyclic AMP) in low renin and normal renin essential hypertension." Circulation research vol. 38,2 (1976): 105-8. doi: https://doi.org/10.1161/01.res.38.2.105
Lowder SC, Hamet P, Liddle GW. Contrasting effects of hypoglycemia on plasma renin activity and cyclic adenosine 3',5'-monophosphate (cyclic AMP) in low renin and normal renin essential hypertension. Circ Res. 1976 Feb;38(2):105-8. doi: 10.1161/01.res.38.2.105. PMID: 173476.
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Circ Res. 1976 Feb;38(2):105-8. doi: 10.1161/01.res.38.2.105.

Contrasting effects of hypoglycemia on plasma renin activity and cyclic adenosine 3',5'-monophosphate (cyclic AMP) in low renin and normal renin essential hypertension.

Circulation research

S C Lowder, P Hamet, G W Liddle

PMID: 173476 DOI: 10.1161/01.res.38.2.105

Abstract

Insulin-induced hypoglycemia previously has been shown to provoke a beta-adrenergic response that normally results in an increase in plasma renin activity (PRA). In our study, hypoglycemia induced definite increases in PRA in a group of five patients with normal renin essential hypertension but failed to do so in a group of six patients with low renin essential hypertension. In both groups, plasma cyclic adenosine 3',5'-monophosphate (cyclic AMP; cAMP) increased more than 2-fold during hypoglycemia, but the response in the low renin group was significantly less than that previously observed in normal subjects under the same conditions. Plasma cortisol increased to an equal extent in both groups of hypertensive patients during hypoglycemia. Infusion of the phosphodiesterase inhibitor, theophylline, resulted in definite increases of PRA in patients with normal renin hypertension but not in patients with low renin hypertension. Because changes in the level of plasma cAMP during hypoglycemia have been thought to reflect adrenal catecholamine release, our finding of a blunted increase in plasma cAMP during hypoglycemia in patients with low renin hypertension may suggest that there is a generalized alteration in adrenergic responsiveness in this condition.

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