Scientists note that the brain reacts extremely sharply to the lack of oxygen. However, it has long been known that it is possible to extract viable neurons several hours after death. In the new study, scientists wanted to check whether it is possible to restore the work of neurons without disturbing the integrity of the brain.
The researchers developed a technique called BrainEx and worked it out on pig heads that they received from the slaughterhouse. Scientists note that even at the slaughter, they cleared the brain of excess blood and cooled tissue. Upon arrival at the laboratory, the brain was placed in a special chamber, and then the key vessels were connected to a special device that delivered a chemical cocktail to the brain for six hours.
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As a result, the researchers managed to preserve the cellular structure and stop the process of dying cells. In addition, they have restored some of the molecular and cellular functions of the brain. "This is not a living brain, but it is a cell-active brain," the scientists stress.