Researchers restart rat heart
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Researchers seeking new treatments for heart disease managed to grow a rat heart in the lab and start it beating.
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Infusing patients with bone marrow cells can reinvigorate their dying hearts and grow tiny new arteries and heart muscle tissue, a treatment that may one day make many heart transplants unnecessary, Brazilian researchers said on Friday.
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Researchers report that embryonic stem cells sent molecular signals that repaired fatal genetic damage to heart cells in laboratory mice.
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Biological heart pacemakers made from human embryo cells have been successfully tested in pigs, raising the possibility that tissue transplants could in future replace electronic pacemakers.
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Pulsing transplanted heart cells with electrical current helps them grow into mature cardiac cells, bringing doctors closer to a grow-your-own heart patch, US researchers said on Tuesday.
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Chilean scientists have made a  discovery in the brains of rats that they say may help treat  drug addiction and ease the side effects of some medications.
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A heart patient who had muscle cells transferred from his leg to his heart makes good progress.
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Medical researchers in Brazil say they have found that patients with diseased hearts can apparently regrow heart muscle and arteries after being injected with bone marrow stem cells.
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LOS ANGELES -- Dutch scientists think they have discovered the diet that can add almost seven years to one&#39;s life and massively cut the risk of heart disease.
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NEW YORK  - Transplanting brain cells, from  a region called the choroid plexus, into rats that have  suffered a stroke seems to reduce the damage that occurs,  according to a report in the medical journal Stroke.
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Scientists yesterday suggested that they could within a few years help cardiac patients repair and regenerate their hearts by using stem or parent cells from their own organs.
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Researchers confirm a link between mitochondrial defects and heart disease in mice -- a discovery that could eventually help prevent heart disease in humans.
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Donor hearts could make good scaffolding for new organs.
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A molecule that promotes the growth of the young heart shows promise as a treatment for heart attack in animal studies and is being readied for human trials, researchers report.
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Painkillers suspected of causing fatal heart disease may act by starting the process of hardening the arteries, researchers proposed on Thursday.
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U.S. researchers say they have coaxed hearts from dead rats to beat again in the laboratory and said the discovery may one day lead to customized organ transplants for people.
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Injecting immature cells into hearts   damaged months or years earlier by a heart attack can help that   heart beat more efficiently, a study showed on Wednesday.