if isobutylmethylxanthine ( mix ) was also included , the hormones caused marked further increases in camp ( after a 20-min incubation , control with mix , 64.2 +/- 5.2 pmoles/mg protein ; 10 ( -4 ) m norepinephrine , 4266 +/- 284 pmoles/mg protein ; 10 ( -4 ) m epinephrine , 5812 +/- 173 pmoles/mg protein ; and 10 ( -4 ) m isoproterenol , 3136 +/- 114 pmoles/mg protein ) .
C0028351
norepinephrine
C0014563
epinephrine