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    Mouse heart 're-grows when cut', study shows - Forum

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    Forum moderator: arya, dethalternate  
    Forum » Main » Science, Astronomy, Nature » Mouse heart 're-grows when cut', study shows
    Mouse heart 're-grows when cut', study shows
    archmageDate: Tuesday, 01-March-2011, 5:37 AM | Message # 1
    -- dragon lord--
    Group: lords
    Messages: 3030
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    By Neil Bowdler Science reporter, BBC News

    Scientists in the United States have found newborn mice can re-grow their own hearts.

    The mice had a large chunk of their heart removed a day after birth, only for the heart to restore itself within three weeks.

    Fish and amphibians are known to have the power to re-grow heart tissue, but the study in Science is the first time the process has been seen in mammals.

    British experts said understanding the process could help human heart care.
    Narrow window

    The researchers at the University of Texas Southwestern Medical Center surgically removed what is known as the left ventricular apex of the heart (about 15% of the heart muscle) from mice just a day after birth.

    The heart was then quickly seen to regenerate and was fully restored after 21 days. After two months, the organ still appeared to be functioning normally.


    Full article/source - http://www.bbc.co.uk/news/health-12573922
     
    Forum » Main » Science, Astronomy, Nature » Mouse heart 're-grows when cut', study shows
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