Scientists Create Biological Pacemaker

Scientists Create Biological Pacemaker

Scientists have successfully tested in pigs a form of gene therapy that turns ordinary cardiac muscle cells into specialized ones that signal to the heart when it should beat, effectively creating a biological pacemaker that restored normal heart rhythm to pigs with heart block. Pig and human hearts are quite similar, so the results are encouraging, and researchers hope to begin human trials within a few years. Eventually, this procedure could offer an alternative to artificial pacemakers, which require surgical implantation and regular replacement. More…

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