News tagged with estrogen

Related topics: breast cancer , women , postmenopausal women , cancer cells , brain

Estrogen worsens allergic reactions in mice

Estradiol, a type of estrogen, enhances the levels and activity in mice of an enzyme that drives life-threatening allergic reactions, according to researchers from the National Institute of Allergy and Infectious ...

Dec 29, 2014
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Smoking linked to early menopause in women

(Medical Xpress) -- A new study published in the journal Menopause adds one more reason for women to avoid or give up the smoking habit. The study results show that women who light up are more likely to sta ...

Oct 18, 2011
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The influence of estrogen on female mood changes

Women are often troubled with cyclical mood changes. Studies have shown a relationship between emotional disorders associated with the menstrual cycle and changes in estrogen level. The authors reviewed related research in ...

Jan 22, 2012
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Estrogen

Estrogens (U.S., otherwise oestrogens or œstrogens) are a group of steroid compounds, named for their importance in the estrous cycle, and functioning as the primary female sex hormone, their name comes from estrus (period of fertility for female mammals) + gen = to generate.

Estrogens are used as part of some oral contraceptives, in estrogen replacement therapy for postmenopausal women, and in hormone replacement therapy for transwomen.

Like all steroid hormones, estrogens readily diffuse across the cell membrane. Once inside the cell, they bind to and activate estrogen receptors which in turn up-regulate the expression of many genes. Additionally, estrogens have been shown to activate a G protein-coupled receptor, GPR30.

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