News tagged with male hormones
Related topics: prostate cancer
Some males react to competition like bonobos, others like chimpanzees
The average man experiences hormone changes similar to the passive bonobo prior to competition, but a "status-striving" man undergoes changes that mirror those found in a chimpanzee, say researchers from Duke and Harvard ...
Jun 28, 2010 |
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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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Researchers reveal first autism candidate gene that demonstrates sensitivity to sex hormones
George Washington University researcher, Dr. Valerie Hu, Professor of Biochemistry and Molecular Biology, and her team at the School of Medicine and Health Sciences, have found that male and female sex hormones regulate expression ...
Feb 16, 2011 |
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Scientists find key protein that suppresses prostate cancer growth in the laboratory
(PhysOrg.com) -- Cancer researchers have discovered an important protein, produced naturally inside cells, that appears to suppress the growth of prostate cancer cells in the laboratory. The findings, published ...
Jan 31, 2011 |
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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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The making of the male brain (estrogen required)
Territorial behavior in male mice might be linked to more "girl-power" than ever suspected, according to new findings at UCSF. For the first time, researchers have identified networks of nerve cells in the brain that are ...
Oct 01, 2009 |
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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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Gender-bending fish problem in Colorado creek mitigated by treatment plant upgrade
Male fish are taking longer to be "feminized" by chemical contaminants that act as hormone disrupters in Colorado's Boulder Creek following the upgrade of a wastewater treatment plant in Boulder in 2008, according ...
Jun 21, 2010 |
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Study uncovers key to how 'triggering event' in cancer occurs
Researchers at the University of Michigan Comprehensive Cancer Center have discovered what leads to two genes fusing together, a phenomenon that has been shown to cause prostate cancer to develop.
Oct 29, 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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New study bolsters case for preventive prostate cancer treatment
For the last six years, doctors have faced a dilemma about whether to treat men at risk of prostate cancer with the drug finasteride. On one hand, the drug had been shown to prevent cancer in about one of every four patients ...
Jul 07, 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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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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Widespread occurrence of intersex bass found in US Rivers
Intersex in smallmouth and largemouth basses is widespread in numerous river basins throughout the United States is the major finding of the most comprehensive and large-scale evaluation of the condition, ...
Sep 14, 2009 |
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Does a man's estrogen level impact his risk of prostate cancer?
A high level of one type of estrogen in a man's body might increase his risk of developing prostate cancer. That is one surprising conclusion from a new study which also offers another novel finding - that high levels of ...
Apr 19, 2010 |
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