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Young blood restores old tissue - VIDEO PDF Print E-mail
Saturday, 15 August 2015 09:00
US neuroscientists test new methods of extending life and rejuvenation. They are based on ancient recipes of rejuvenation through blood transfusion elderly young people. At present, in a hospital in Palo Alto, California in clinical trials involving 300 patients with Alzheimer's disease of older people, which entered lifmy serum obtained from donors younger than 30 years. The group of geneticists and neuroscientists seven years ago received the first indications that blood transfusions from young mice to animals with artificially induced degeneration of brain tissue leads to a dramatic regrowth of neurons and axons in the brain. "The probability that one or more of the proteins contained in the blood of a young man can intensify the work of the [including the brain] - intriguing. This can speed up further studies," - said a professor of neurology at Stanford University, Tony VUSS Kore-in interviews publication Livescience. The brain of mice successfully rejuvenated Previously, researchers from the Medical School at Stanford University found that an injection of young blood plasma old mice make the brain produce more recent new nerve cells. Last year, the researchers were able to combine two of the circulatory system of mice of different ages. In the bone marrow of older rodents and rejuvenated stem cells responsible for updating the blood. As a result, older animals, whose age was equivalent to 70 human years, have not only become easier to move and think quickly, but even better to smell, thanks to the resumption of the functions of the olfactory area of ​​the brain. It is important that during the experiments mature mice that received injections of blood plasma of young relatives, showed improvement in memory and solving complex problems. It is unknown what substance of young blood makes the old stem cells to behave in a similar way. However, scientists suspect that insulin-like growth factor (IGF-1). It affects both the osteoblasts that form bone and affecting hematopoietic cells and muscle cells. "Young" blood contains more components sposobstvuyushih heal tissues. "We hypothesized that if we volem in an elderly body" young "blood, we will be able to boost its" young "carriers of genetic information. It recharges the brain and other organs, enhances their function and rejuvenates them," - said VUSS-EDC during his January speech at the World Economic Forum. Will it work in humans? Many scientists, however, believe that this effect may not be as pronounced in people who live a much longer and more diverse habitat conditions. According to Guardian, the blood remains fairly mysterious substance so far. It contains over 700 protein molecules, the functions of which scientists still only guess. It is not a magical rejuvenation of the whole organism, but about finding ways to counteract the development of senile dementia, from which the world affects millions of older people. As they note, effective drugs for Alzheimer's disease, for example, still not found. Given the relative safety of blood products, human plasma transfusions may in the future become a method of controlling the disease. Experiments with transfusion "young" plasma in patients with Alzheimer's began last year and is still going on. Patients transfused blood products young people once a week. Changes in the brain is checked using various cognitive tests.

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