الاثنين، 14 يناير 2013

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

How tadpoles re-grow their tails: Implications for human healing

Posted: 13 Jan 2013 05:11 PM PST

Scientists have made a surprising finding after studying how tadpoles re-grow their tails which could have big implications for research into human healing and regeneration.

Foot soldiers of the immune system

Posted: 13 Jan 2013 11:49 AM PST

Researchers have discovered the molecular blueprint behind the IFIT protein. This key protein enables the human immune system to detect viruses and prevent infection by acting as foot soldiers guarding the body against infection. The findings are a promising step towards developing new drugs for combating a wide range of immune system disorders.

Graphene plasmonics beats the drug cheats

Posted: 13 Jan 2013 11:49 AM PST

Wonder material graphene could help detect the presence of drugs or toxins in the body or dramatically improve airport security, researchers have found.

Cancer suppressor gene links metabolism with cellular aging

Posted: 13 Jan 2013 11:49 AM PST

The tumor suppressor protein p53 is an attractive target for drug developers. But this path has so far proven difficult, as most p53 regulatory proteins operate via protein-protein interactions, which make for poor drug targets, as opposed to ones based on enzymes. Now, researchers have identified a class of p53 target genes and regulatory molecules that represent more promising therapeutic candidates.

Pill-sized device provides rapid, detailed imaging of esophageal lining

Posted: 13 Jan 2013 11:49 AM PST

Physicians may soon have a new way to screen patients for Barrett's esophagus, a precancerous condition usually caused by chronic exposure to stomach acid. Researchers have developed an imaging system enclosed in a capsule about the size of a multivitamin pill that creates detailed, microscopic images of the esophageal wall.
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