2.8.2.15 medicine characterization of the mechanism of regulation and action of DHEA-ST should lead to a better understanding of the control of adrenal androgen production as well as a better knowledge of the role of DHEAS in the androgen-and estrogen-sensitive disorders 645733 2.8.2.15 medicine isoenzyme STS plays important roles in regulating the in situ production of estrogens in breast carcinoma tissue, immunoreactivity of the enzymes is a potent prognostic factor for cancer 645741