News tagged with male hormones
Scientists have solved a genetic problem
Jun 16, 2009 |
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Researchers at the Universities of Manchester and Birmingham have solved a genetic problem that causes the accumulation of male hormones - called androgens - in women.
Newborn weights affected by environmental contaminants
Jun 15, 2009 |
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Recent epidemiological studies have revealed an increase in the frequency of genital malformations in male newborns (e.g., un-descended testes) and a decrease in male fertility.
Inheritance of hormonal disorder marked by excessive insulin in daughters
Jul 28, 2008 |
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Elevated levels of insulin could be an early sign that girls whose mothers suffer from polycystic ovary syndrome -- or PCOS -- may also be susceptible to the disease, according to gynecologists who have found evidence of ...
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Fetal study highlights impact of stress on male fertility
Oct 21, 2009 |
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Exposure to a combination of excess stress hormones and chemicals while in the womb could affect a man's fertility in later life, a study suggests.
Placental precursor stem cells require testosterone-free environment to survive
Oct 29, 2009 |
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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 ...
Sex hormones unrelated to prostate cancer risk
Jan 29, 2008 |
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Sex hormones circulating in the blood do not appear to be associated with prostate cancer risk, according to data from 18 prior studies. The analysis will be published online January 29 in the Journal of the National Cancer In ...
Hormone inhibitor promising for hard-to-treat prostate cancer
Jul 08, 2007 |
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For prostate cancer patients whose tumors have continued to grow despite medical or surgical castration, a new drug candidate that inhibits production of male hormones anywhere in the body is showing promise in early trials.
High hormone levels in seabird chicks prepare them to kill their siblings
Biology /
Jun 19, 2008 |
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The Nazca booby, a Galápagos Island seabird, emerges from its shell ready to kill its brother or sister. Wake Forest University biologists and their colleagues have linked the murderous behavior to high levels ...
Scientists explore hormone evolution
Mar 03, 2009 |
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(PhysOrg.com) -- New research techniques on animals living in the wild are helping scientists test long-held ideas about the role of hormones in survival, according to comments by Professor of Biology Jan ...
Couples to rely on male contraceptive for new trial
May 20, 2009 |
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(PhysOrg.com) -- Couples are being asked to replace their usual form of birth control with a new male contraceptive in a study to test its effectiveness.
Ladyboy lizards use transvestite trickery: researchers
Mar 03, 2009 |
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Young male lizards in South Africa imitate females to fool aggressive older males into leaving them alone, in an example of transvestism in the natural world, researchers have found.
Neurons show sex-dependent changes during starvation
Jan 16, 2009 |
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When it comes to keeping brains alive, it seems nature has deemed that females are more valuable then males. As reported in this weeks' JBC, researchers found that nutrient deprivation of neurons produced sex-de ...
Testosterone and body fat are controlled by the same genes
Aug 05, 2008 |
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Genes that control percentage of body fat are also responsible for circulating levels of testosterone in men, research published in the latest edition of Clinical Endocrinology shows. The research shows a 23% overlap between ...
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