title: Measurements of cyclic AMP and cyclic GMP phosphodiesterase activity in isolated tubular segments.
mesh_terms: D015056:1-Methyl-3-isobutylxanthine / Q000494:pharmacology; D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000032:analysis / Q000037:antagonists & inhibitors / Q000378:metabolism*; D015106:3',5'-Cyclic-GMP Phosphodiesterases / Q000032:analysis / Q000037:antagonists & inhibitors / Q000378:metabolism*; D000818:Animals; D003080:Cold Temperature; D007679:Kidney Medulla / Q000201:enzymology; D007684:Kidney Tubules / Q000033:anatomy & histology / Q000201:enzymology*; D007685:Kidney Tubules, Collecting / Q000201:enzymology; D008138:Loop of Henle / Q000201:enzymology; D008297:Male; D051381:Rats
chemical_list: D015105:3',5'-Cyclic-AMP Phosphodiesterases; D015106:3',5'-Cyclic-GMP Phosphodiesterases; D015056:1-Methyl-3-isobutylxanthine