The Effect of Antilipolytic Agents on Cyclic AMP, Free Fatty Acid and Total Catecholamine Concentrations in Plasma

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Abstract
Plasma concentrations of adenosine 3′:5′ cyclic monophosphate (cyclic AMP) and free fatty acids have been measured in 15 patients with acute myocardial infarction and in 6 dogs given infusions of isoprenaline. Plasma total catecholamines were also estimated in the patients. Inhibition of adipose tissue lipolysis with a nicotinic acid analogue did not decrease plasma cyclic AMP concentrations, either in the patients or when elevated in the dogs, thus suggesting that this tissue is not a major source of the nucleotide in plasma.