In collaboration with various co-workers , he isolated several protein hormones , including adrenocorticotropic hormone ( ACTH ) , which stimulates the adrenal cortex to increase its secretion of corticoids .
Li spent his entire academic career studying the pituitary - gland hormones .
In collaboration with various co-workers , Li isolated several protein hormones , including adrenocorticotropic hormone ( ACTH ) , which stimulates the adrenal cortex to increase its secretion of corticoids .
Li spent his entire academic career studying the pituitary - gland hormones .