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Medicine & Health / Research news 1234

Structure of enzyme offers treatment clues for diabetes, Alzheimer's

October 11, 2006 | User rating: 5 / 5 after 15 vote(s) | No comments yet

Researchers from the University of Chicago and Argonne National Laboratory have deciphered the three-dimensional structure of insulin-degrading enzyme, a promising target for new drugs because it breaks down ...


Molecular 'Signature' Protects Cells from Viruses

October 12, 2006 | User rating: 5 / 5 after 12 vote(s) | No comments yet

Viruses are cunning little parasites: they breed by forcing the affected cells to do what they want. By fake commands they get them to produce new viruses. However, the cell often notices that there is something fishy going ...


For Easy Tasks, Brain Preps and Decides Together

March 06, 2007 | User rating: 5 / 5 after 12 vote(s) | No comments yet

A Georgia Tech researcher has discovered that for tasks involving spatial processing, preparing for the task and performing it are not two separate brain processes, but one – at least when there are a small ...


Mice with a migraine show signs of brain damage

April 30, 2007 | User rating: 5 / 5 after 8 vote(s) | No comments yet

Migraines may be doing more than causing people skull-splitting pain. Scientists have found evidence that the headaches may also be acting like tiny transient strokes, leaving parts of the brain starved for oxygen and altering ...


Study shows isolation of stem cells may lead to a treatment for hearing loss

April 06, 2007 | User rating: 5 / 5 after 7 vote(s) | No comments yet

Have you ever walked by someone listening to their i-Pod loud enough for you recognize the song? Studies have shown noise-induced hearing loss is going to become the next big epidemic affecting our younger generation though ...


Scientists identify key to integrating transplanted nerve cells into injured tissue

April 26, 2007 | User rating: 5 / 5 after 6 vote(s) | No comments yet

Scientists at the Schepens Eye Research Institute, an affiliate of Harvard Medical School, have identified a key mechanism for successfully transplanting tissue into the adult central nervous system. The study found that ...


Researchers awaken vision cells in blind mice

May 21, 2007 | User rating: 5 / 5 after 14 vote(s) | No comments yet

University of Florida researchers used gene therapy to restore sight in mice with a form of hereditary blindness, a finding that has bearing on many of the most common blinding diseases.


Researchers reprogram normal tissue cells into embryonic stem cells

June 06, 2007 | User rating: 5 / 5 after 25 vote(s) | No comments yet

Researchers at the Institute for Stem Cell Biology and Medicine at UCLA were able to take normal tissue cells and reprogram them into cells with the same unlimited properties as embryonic stem cells, the cells that are able ...


Severe heart attack damage limited by hydrogen sulfide

September 19, 2007 | User rating: 5 / 5 after 10 vote(s) | No comments yet

Administering hydrogen sulfide (H2S) directly into the heart during a simulated heart attack significantly reduces the tissue and cell damage often seen in oxygen-starved organs, according to a new study from researchers ...


Low doses of a red wine ingredient fight diabetes in mice

October 02, 2007 | User rating: 5 / 5 after 8 vote(s) | No comments yet

Even relatively low doses of resveratrol—a chemical found in the skins of red grapes and in red wine—can improve the sensitivity of mice to the hormone insulin, according to a report in the October issue of Cell Metabolism. ...


Adult brain cells are movers and shakers

November 08, 2007 | User rating: 5 / 5 after 6 vote(s) | No comments yet

It’s a general belief that the circuitry of young brains has robust flexibility but eventually gets “hard-wired” in adulthood. As Johns Hopkins researchers and their colleagues report in the Nov. 8 issue of ...


Mitochondria send death signal to cardiac cells, study shows

November 08, 2007 | User rating: 5 / 5 after 11 vote(s) | No comments yet

Scientists have determined how cardiac cells die just as emergency treatments restore blood flow to a heart in distress, a paradox that has long puzzled doctors who are able to relieve pain in patients suffering from blocked ...


New heart test to save time, money -- and lives

November 29, 2007 | User rating: 5 / 5 after 6 vote(s) | No comments yet

A new test could give doctors a head start in diagnosing those patients most likely to suffer a heart attack.


Protein suppresses allergic response in mice

November 19, 2007 | User rating: 5 / 5 after 10 vote(s) | No comments yet

A protein in mice known as RGS13 suppresses allergic reactions, including the severe, life-threatening allergic reaction known as anaphylaxis, according to scientists at the National Institute of Allergy and Infectious Diseases ...


Breakthrough technology observes synapse in real time, supporting theory of vesicular recycling

December 14, 2007 | User rating: 5 / 5 after 15 vote(s) | No comments yet

For the first time, scientists at Weill Cornell Medical College in New York City have observed in real time a cellular mechanism that's crucial to how brain cells communicate.


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