British scientists managed to restore with stem cells the affected hear areas by myocardial infarction This latest technology has been applied in two London hospitals.
The main idea of this new treatment consists in the fact that patients delivered with a
heart attack are taken from bone marrow cells and injected into the artery. Going through it, the cells reach the heart muscle and replaces there gangrenous tissue. As a result, the affected parts of the heart from stem cells regenerate new tissues that replace slain ones. Great importance is given to the speed of action - the intervention should be carried out during the first six hours after the moment of a heart attack.
The technology, which is still being studied, is able to recover, also, other affected organs of the human body.
It has been thought that cardiac muscle cannot be recovered because its cells (cardiomyocytes) are able to share only during the prenatal development period of the organism. However, in 2001, scientists were able to prove contradiction, and in 2009 they even considered the recovery rate of cardiac muscle.
In there study experts from Boston evaluated the ability of various substances to start the formation of new cardiomyocytes. In experiments on cell cultures there revealed the greatest effect on the division of cardiomyocytes there renders the protein Neuregulin-1 which performs many functions during embryonic development by participating in the formation of the nervous system.
The mice that had had a heart attack were given this protein and in their heart there run regeneration of cells, and the function of the damaged organ was restored.
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