luteal cell cultures were co-incubated with 0 , 10 , 50 or 100 ng of luteinizing hormone ( lh ) and 50 ng of epinephrine ( epi ) , norepinephrine ( nor ) , dopamine ( dopa ) , melatonin ( mel ) , n-acetyl-50h-serotonin ( n-acetyl-50h-tryptamine ; nacs ) , serotonin ( 50h-tryptamine ; 5ht ) or saline control .
C0014563
epinephrine
C0028351
norepinephrine