The antilipolytic effect of insulin does not require adenylate cyclase or phosphodiesterase action.


Insulin antagonized the lipolytic actions of epinephrine in rat epididymal adipocytes when the phosphodiesterase inhibitor, Ro 20-1724, was present. Adipocytes were depleted of functional cAMP by inhibiting adenylate cyclase with N6-phenylisopropyladenosine in the presence of adenosine deaminase such that Ro 20-1724 no longer stimulated lipolysis. The cAMP… (More)


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