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Doctors have grown human heart valves

April 7 2007

For the first time in the world of the British research team led by cardiologists raised from stem cells of the human heart. If animal testing planned for later this year will be successful, then in the next three years-tissue substitutes can be used for transplant operations in the hundreds of thousands of people suffering from various heart diseases.

Magdi Yacoub, professor of cardiac surgery at Imperial College London, for over ten years searching for ways to address the shortage of donor hearts for transplantation. His group, working in the Research Center Hospital Harefild, raised fabric, which acts as human heart valves.

According to WHO, 15 million people died in 2005 from cardiovascular disease, according to experts, by 2010, worldwide 600 thousand people will need replacement heart valves.

Growing replacement tissue from stem-cells - one of the main tasks of biology. If it becomes possible to replace damaged body parts on genetically related to the patient, it will be resolved one of the most intractable problems of today - rejection of an alien body. Scientists have succeeded in growing tendon, cartilage and soft tissue, but none of these complex organs, which are three-dimensional structure and dozens of different types of cells, says Sience.

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