Cells, not tools, may help fix arteries
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In the past decade, artery repair has become one of the most lucrative industries in healthcare, spawning billion-dollar companies like Boston Scientific Corp. that make equipment to keep blood flowing smoothly through the body's most important vessels.
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A trial shows that a less invasive procedure for repairing aortic aneurysm is linked to a lower rate of short-term mortality than conventional surgery.
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Passing electric current in pulses through transplanted heart cells is bringing us closer to a grow-your-own heart patch, said US researchers.
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NEW YORK  - In chronic smokers who stop  smoking, there is a rapid increase in the number of circulating  cells that aid in the repair of the lining of blood vessels,  researchers have found.
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Scientists say changes in children's small blood vessels could be used to predict heart disease in later life.
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In chronic smokers who stop smoking, there is a rapid increase in the number of circulating cells that aid in the repair of the lining of blood vessels, researchers have found.
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Scientists have made two significant advances in developing a stem-cell patch to repair the damage caused to the heart after an attack.
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Scientists have cultured small pieces of heart tissue which beat in the same way as the whole organ.
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Peter Cummins lay still as doctors administered 20 injections into the 81-year-old's calves and thighs, hoping the genetic experiment will spur new blood vessels to grow around his clogged leg arteries.    The experiment at the National Institutes of Health marks a resurgence in attempts to get the body to grow its own bypasses, at first in the legs and, if that works, perhaps later in the heart...
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A protein produced by the heart during its development could be used to repair heart attack damage, research suggests. University of Texas scientists worked on mice, but hope their findings will eventually lead to new treatment for heart disease.
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If a technique used in mice can be adapted to human cells, it would let scientists use a patientâs skin cells to generate new heart, liver or kidney cells.
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Scientists are nearer the creation of tiny artificial blood vessels after growing miniscule tubes out of stem cells.
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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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Pioneering research is to test if stem cells can repair heart muscle damaged by a heart attack.
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Researchers say they have transformed embryonic stem cells into heart cells that could someday replace the electronic pacemakers now implanted to keep hearts beating normally.
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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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Embryonic stem cells may not have to actually grow replacement body parts to be useful.    New research suggests these cells also secrete healing molecules powerful enough to reverse a lethal birth defect in mice...