to investigate whether long-term changes in the activity of cells producing beta-endorphin are paralleled by alterations in the enzymatic processing of beta-endorphin , the effects of chronic treatment of rats with dopamine ( da ) receptor ligands were examined on the content of immunoreactivity of beta- , gamma- and alpha-endorphin of dissected regions of the pituitary gland and the brain .
C0423896
content
C0006104
brain