Fish study shows role of estrogens in sense of smell
Steroid estrogens play an important role as embryos develop a sense of smell, new research shows.
Steroid estrogens play an important role as embryos develop a sense of smell, new research shows.
Cell & Microbiology
Jan 19, 2022
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The media has reported about feminised male fish for decades, but now researchers at SDU have announced that this feminisation has completely disappeared in certain parts of Denmark.
Environment
Nov 28, 2017
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4
New Zealand's nocturnal and flightless parrot, the kākāpō, may be famous for trying to mate with the head of biologist Mark Carwardine, but this unique species is facing some serious challenges.
Ecology
Jul 25, 2017
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New Victoria University research suggests hormones found in New Zealand's native plants are helping endangered native birds to breed successfully.
Ecology
Jul 11, 2017
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Victoria University of Wellington researchers have developed a new technique that can detect environmental levels of oestrogen at the equivalent of detecting one pinch of salt in an olympic-sized swimming pool.
Analytical Chemistry
Jul 4, 2014
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Hormone-mimicking chemicals released into rivers have been found to impact the mating choices of fish, a new study has revealed. The controversial chemical BPA, which emits oestrogen-like properties, was found to alter an ...
Ecology
Jul 11, 2012
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Estrogens (AmE), oestrogens (BE), or œstrogens, are a group of compounds named for their importance in the estrous cycle of humans and other animals. They are the primary female sex hormones. Natural estrogens are steroid hormones, while some synthetic ones are non-steroidal. Their name comes from the Greek words estrus/οίστρος = sexual desire + gen/γόνο = to generate.
Estrogens are synthesized in all vertebrates as well as some insects. Their presence in both vertebrates and insects suggests that estrogenic sex hormones have an ancient evolutionary history.
Estrogens are used as part of some oral contraceptives, in estrogen replacement therapy for postmenopausal women, and in hormone replacement therapy for trans women.
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 modulate the expression of many genes. Additionally, estrogens have been shown to activate a G protein-coupled receptor, GPR30.
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