Description

Hormone therapy is the first targeted therapy also called estrogen suppression therapy often used as an adjuvant therapy to reduce the risk of cancer back after surgery or cancer that has spread. Aromatase inhibitors such as (anastrozole) are a common type of the hormone therapy; it interferes with the body's ability to produce estrogen from androgen by suppressing aromatase enzyme in post-menopausal women with positive estrogen receptor breast cancer. Aromatase (cytochrome P450), also called estrogen synthetize, is an enzyme responsible for a key step in the biosynthesis of estrogens. Aromatase inhibitors have a central role in endocrine therapy for estrogen receptor (ER)-positive breast cancer in postmenopausal women , it interferes with the body's ability to produce estrogen from androgens by suppressing aromatase enzyme activity. Aromatase inhibitors use two distinct mechanisms to block the action of aromatase and thereby reduce estrogen production.

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