The Identification of Gene Products in a Gene Library. Restriction enzymes (to cut the DNA) and gel electrophoresis (to separate the resulting fragments) can be used to produce a physical map of DNA segments in a process known as restriction mapping.
Estrogen pills may be prescribed to lessen the symptoms of menopause, like hot flashes. Estrogen is used in birth control pills to prevent conception. The thickness of the endometrium changes along with the female's menstrual cycle. Older women may have an estrogen deficiency as they begin menopause.
What is anastrozole (Arimidex)? Anastrozole lowers estrogen levels in postmenopausal women, which may slow the growth of certain types of breast tumors that need estrogen to grow in the body. Anastrozole is used to treat breast cancer in postmenopausal women. It is often given to women whose cancer has progressed even after taking tamoxifen (Nolvadex, Soltamox). Anastrozole may also be used for purposes not listed in this medication guide.