such as "Introduction", "Conclusion"..etc
NWO researchers at Utrecht University have given heart muscle cells a heart attack in the laboratory. This allowed them to observe clearly the change that takes place in the cell membrane during an attack and how the change sometimes leads to the death of the cell.
Besides the blockage, the research team also studied the second phase of a heart attack, reperfusion, when the blood flow is restored. If this happens quickly enough, the tissue can be saved, but otherwise the asymmetrical distribution of the cell membrane phospholipids is lost and the imbalance in phospholipid content becomes more pronounced. Reactive oxygen causes damage to the fatty acid tails of the lipids. If it takes too long for the blood flow to be restored, or if it fails to do so at all, the muscle cell dies and scar tissue is formed.
The results of the research, financed by NWO, clarify why the heart muscle cells are damaged during a heart attack, but they do not yet make it possible to develop a treatment for the problem. This will require further research into just what happens in the lipids.
Source: Netherlands Organization For Scientific Research. May 2001
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