News tagged with male sex hormone

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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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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