Acta physiologica Polonica
Changes in plasma glycerol level in rabbits during fatigue-induced stress.
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概要
The lipolytic response to fatigue-induced stress was studied in fed and fasted rabbits and in fed propranolol-treated rabbits. The initial plasma glycerol level was higher and the increase in glycerol after stress was lower in fasted as compared to fed animals. Propranolol lowered the initial glycerol level and attenuated the fatigue-induced rise in glycerol concentration. The data suggest that in rabbits, as in other species, catecholamines increase lipolysis through stimulation of beta-adrenoceptors. The increment in alpha-adrenergic responsiveness during fasting may contribute to decreased glycerol response to stress observed in fasted rabbits.
