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 (ə-rō′mə-tāz′, -tāz′)
A key enzyme in the biosynthesis of steroids, especially in the conversion of androgens to estrogens.

[aromat(ic) (because the enzyme increases the number of aromatic carbon rings in the molecular structure of the compounds upon which it acts) + -ase.]


an enzyme that converts testosterone into an oestrogen
References in periodicals archive ?
These findings suggest that continuous exposure to LET may perturb sex differentiation in carp, the molecular mechanism not only involve inhibition of cytochrome P450 aromatase activity, but also the changes of upstream genes in sex differentiation.
While there is evidence that fulvestrant can delay the growth of breast cancer, our independent committee found that its effectiveness is uncertain in terms of extending life compared to aromatase inhibitors, which are currently the preferred NHS treatment," said Professor Carole Longson, director of the Centre for Health Technology Evaluation at NICE.
The opinion included a recommendation that allows oncologists the flexibility to prescribe Kisqali with any aromatase inhibitor (i.
potentially real-life) mixtures of aromatase inhibitors on the dynamics of menstrual cycling in women.
Aromatase is directly linked to folliculogenesis, affecting oocyte quality.
The guidelines have been to employ aromatase inhibitors in post-menopausal early-stage cancer that is hormone-sensitive.
The new study, which analysed pooled data from nine clinical trials involving 31,920 women, looked at the effect on death rates of taking aromatase inhibitors for five years.
Estrogens are thought to help close epiphyseal growth plates; the idea of giving aromatase inhibitors (AIs) is to block aromatase from converting androgens to estrogens in boys so that their growth plates stay open a bit longer and they grow taller.
The study--the first ever to report on oral health issues in women with early breast cancer on aromatase inhibitors (AIs) --included 58 postmenopausal women.
It has been hypothesized that male and female sex differentiation is determined by aromatase activity in fish as Cyp19 gene is highly conserved in fish [12].
Additionally, for women who have breast cancer and high cholesterol, taking statins may delay or prevent resistance to endocrine therapies such as tamoxifen or aromatase inhibitors.
All had been treated with an aromatase inhibitor, a type of drug that blocks estrogen production.