News tagged with male sex hormone

Elaborate plumage due to testosterone?

( -- 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 many cases plumage ...

dateOct 21, 2011 in Plants & Animals
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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 have now discovered ...

dateSep 30, 2010 in Genetics
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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 ...

dateDec 15, 2009 in Cancer
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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 - ...

dateDec 03, 2009 in Cancer
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