السبت، 19 مايو 2012

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

'Rare' genetic variants are surprisingly common, life scientists report

Posted: 18 May 2012 10:28 AM PDT

A large survey of human genetic variation shows that rare genetic variants are not so rare after all, and offers insights into human diseases. A team of scientists studied 202 genes in 14,002 people -- one of the largest ever in a sequencing study in humans.

How exercise affects the brain: Age and genetics play a role

Posted: 18 May 2012 10:28 AM PDT

Findings suggest that the effects of exercise on memory depend on the age of the exerciser; underlying genetic mechanisms matter, too.

New key mechanism in cell division discovered

Posted: 18 May 2012 10:28 AM PDT

Researchers have identified the mechanism by which protein Zds1 regulates a key function in mitosis, the process that occurs immediately before cell division. The research opens the door to developing targeted and direct therapies against cancer.

Sutureless aortic valve replacement a North American first

Posted: 18 May 2012 10:25 AM PDT

A surgical milestone was reached on May 1st with a sutureless aortic valve replacement through a thoracic incision just 5 centimeters long. The two patients in their seventies who underwent this innovative procedure were doing well only one week after their operations.

Google goes cancer: Search engine algorithm finds cancer biomarkers

Posted: 17 May 2012 04:31 PM PDT

The strategy used by Google to decide which pages are relevant for a search query can also be used to determine which proteins in a patient's cancer are relevant for the disease progression.
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