News tagged with male sex hormones
Family composition determines success of great tit parents
Great tits who have as many sons as daughters acquire more grandchildren than great tits with an uneven family composition. That is because their children are reproductively more successful concludes NWO researcher Reinder ...
Dec 19, 2011 |
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Elaborate plumage due to testosterone?
(PhysOrg.com) -- In many bird species males have a more elaborate plumage than females. This elaborate plumage is often used to signal body condition, to intimidate rivals or to attract potential mates. In ...
Oct 21, 2011 |
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Genetic alteration linked with human male infertility
One in seven couples worldwide has difficulty conceiving a child, and male infertility is thought to account for nearly half of those cases. Although the cause of male infertility is often unknown, scientists ...
Sep 30, 2010 |
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Women with polycystic ovary syndrome have higher BPA blood levels
Women with the polycystic ovary syndrome (PCOS), the most common hormone imbalance in women of reproductive age, may be more vulnerable to exposure to the chemical bisphenol A (BPA), found in many plastic household items, ...
Medicine & Health / Diseases, Conditions, Syndromes
Jun 21, 2010 |
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Testosterone directly amplifies but does not program male behaviors
New research uncovers some surprising information about how sex hormones control masculinization of the brain during development and drive gender related behaviors in adult males. The study, published by Cell Press in the ...
Medicine & Health / Neuroscience
Apr 28, 2010 |
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More blood vessels in hormone-resistant prostate tumors
Patients with advanced prostate cancer are often treated with hormones, but when the tumours start growing again they have more and different blood vessels, reveals a thesis from the Sahlgrenska Academy, at the University ...
Dec 15, 2009 |
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Random DNA mix-ups not so random in cancer development
Researchers at the UC San Diego School of Medicine have pinpointed a mechanism that may help explain how chromosomal translocations - the supposedly random shuffling of large chunks of DNA that frequently lead to cancer - ...
Dec 03, 2009 |
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Placental precursor stem cells require testosterone-free environment to survive
Trophoblast stem cells (TSCs), cells found in the layer of peripheral embryonic stem cells from which the placenta is formed, are thought to exhibit "immune privilege" that aids cell survivability and is potentially beneficial ...
Oct 29, 2009 |
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Scientists discover key event in prostate cancer progression
A study led by researchers at the Ohio State University Comprehensive Cancer Center and Dana-Farber Cancer Institute reveals how late-stage, hormone-independent prostate tumors gain the ability to grow without need of hormones.
Jul 23, 2009 |
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Neurobiologist proposes 'The end of sex as we once knew it'
(PhysOrg.com) -- Women are not from Venus any more than men are from Mars. But even though both sexes are perfectly terrestrial beings, they are not lacking in other differences. And not only in their reproductive organs ...
Medicine & Health / Medical research
Feb 02, 2009 |
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