Action,in vitro et in vivo,de l'angiotensine II sur le captage cardiaque de la noradrénaline |
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Authors: | C. Chevillard J. Alexandre |
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Affiliation: | (1) Centre de Recherches sur l'Hypertension Artérielle, Hôpital Broussais, 96, rue Didot, Paris XIV, France |
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Abstract: | Summary The action of angiotensin II on cardiac uptake of norepinephrine was investigated in the rat in vivo and in vitro. In contrast to desipramine, neither infusion of subpressive (10 ng/kg/min) or pressive (50–150 ng/kg/min) amounts of angiotensin on intact and/or binephrectomized rats, nor incubation of cardiac slices with angiotensin II (10–5; 10–9M) impair the accumulation of tritiated norepinephrine and the level of metabolites. It is thus concluded that there is no inhibiting action of angiotensin II on the cardiac uptake of norepinephrine. |
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