Evolution, it seems, sometimes jumps instead of crawls. A research team led by a University of Chicago scientist has discovered two key mutations that sparked a hormonal revolution 500 million years ago.
Evolution
Jun 24, 2013
6
0
A new study has shown that boosting the estrogen levels of male garter snakes causes them to secrete the same pheromones that females use to attract suitors, and turned the males into just about the sexiest snake in the neighborhood ...
Plants & Animals
Feb 10, 2012
2
1
The sex hormone commonly known as estrogen plays an important role in multiple aspects of women's health and fertility. High levels of estrogen in the body are associated with breast and ovarian cancers, while low levels ...
Bio & Medicine
Sep 28, 2023
1
21
Watching a puppet show can teach you something about how estrogen works in the body, according to Rice University scientists whose research could open the door to new strategies for regulating the hormone—which could ...
Biochemistry
Jan 30, 2023
0
69
Unwanted side effects in the body, drug resistance or environmentally harmful residues—drugs not only cure diseases or relieve pain, but can also have negative effects on people or the environment. This could be reduced ...
Biochemistry
Oct 26, 2022
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57
Most mammals—including humans and other primates—reach sexual maturity early or late depending on lots of different factors, such as how much food there is to eat. Now, researchers studying close primate relatives of ...
Plants & Animals
Nov 5, 2020
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224
Perfluoroalkyl substances (PFASs) have received intense scrutiny in recent years because of their persistence in the environment and potential endocrine-disrupting effects. However, their estrogenic activities are controversial, ...
Biochemistry
Oct 28, 2020
0
66
A new study shows how differentiation of a single gene changes behavior in a wild songbird, determining whether the white-throated sparrow displays more, or less, aggression. The Proceedings of the National Academy of Sciences ...
Plants & Animals
Aug 18, 2020
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158
Breast cancer researchers from the Florida campus of The Scripps Research Institute (TSRI) have developed a novel approach for identifying how chemicals in the environment—called environmental estrogens—can produce infertility, ...
Biochemistry
Dec 29, 2016
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271
While there have been advances in the treatment of hormone-driven breast cancer, resistance to these therapies remains a significant problem. Side effects, including an increased risk of uterine cancer among postmenopausal ...
Biochemistry
Nov 21, 2016
0
41
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.
This text uses material from Wikipedia, licensed under CC BY-SA
