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Scientists have developed a hybrid heart pumping artificial blood and beating just as if it were inside a live animal. The heart was made by coating the stripped-down "scaffolding" of one rat's heart with tissue grown from another rat's stem cells – the scientists believe that such a development could lead to a virtually limitless supply of organs for transplantation that are every bit as intricate as those that grow naturally, except that they don't provoke the catastrophic immune response that obstructs the use of traditional "xenotransplants". (Source: New Scientist) |
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