administration of the tyrosine hydroxylase inhibitor alpha-methyl-p-tyrosine ( alpha mpt ) 2 h before [ 3h ] e2 , to reduce levels of dopamine ( da ) , norepinephrine ( ne ) , and epinephrine ( ep ) , decreased total and specific [ 3h ] e2 binding by 36-56 % in the nuclear fraction of the anterior pituitary , basal hypothalamus , and anterior hypothalamus .
C0028351
norepinephrine
C0014563
epinephrine