Abstract

Glucagon, infused intravenously into fasting, well-hydrated, normal men in doses of 25-200 ng/kg per min, induced up to 30-fold increases in both plasma and urinary cyclic AMP. Cyclic GMP levels were unaffected by glucagon. Simultaneous cyclic AMP and inulin clearance studies demonstrated that the glucagon-induced increase in urinary cyclic AMP was entirely due to glomerular filtration of the elevated plasma levels of the nucleotide.

Authors

Arthur E. Broadus, Neil I. Kaminsky, Robert C. Northcutt, Joel G. Hardman, Earl W. Sutherland, Grant W. Liddle

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