quinta-feira, 22 de outubro de 2015
Ancient bacteria promises to prolong life up to 140 years
Body found in Siberian soil increases immune response. But despite the success of experiments, further research is needed before starting industrial production solution.
During an expedition to Yakutia, in the Russian north, the scientist Anatoly Bruchkov found samples of Bacillus F bacteria under the layer of permafrost (ground made of earth, ice and frozen rocks) and since then conducts experiments in rats and himself to prove his theory: that body of almost 3 million years would rejuvenating effect.
"We were surprised by the fact that this body does not reveal at first glance, signs of aging," says Bruchkov, who heads the Department of Geochronology of the Faculty of Geology, Moscow State University (MGU, its acronym in Russian). "My colleagues and I multiplied the bacterium and began to study it."
It was found that, despite their resemblance to human cells, bacterial live for a longer period. "We started to inject rats a solution containing Bacillus F and found that they lived 20-30% more than usual," he adds.
"Interestingly, the bacteria die as soon as they entered the body, but at the same time, the rats seemed to be born again," says biologist Vladimir Repin, who was head of the laboratory where the research began.
"Imagine an old mouse that is coming to an end the 600-day life expectancy. Suddenly, after inoculation, it starts to behave like a young man, "continues Repin. "All the indicators of the organism normalizavam, and the mice lived for another year, almost a third more than usual time."
When it became apparent that the Bacillus F increased immunity and after studying all the possible side effects, Bruchkov decided to test the solution in itself. Comments skeptical colleagues not away from your goal, and soon the solution came to be called the "elixir of youth".
Long experiment to life
Scientists involved in the project assume that the Bacillus F will enable people to live to be 140 years. However, experts assure that there is need to promote new experiences and therefore it is too early to speak of industrial production of the solution.
"The bacterium cause a stronger immune response than when other microorganisms enter the body. The immunity increases dramatically - this is fact. But it remains unclear how the action of the bacillus in the long term, "says Nadezhda Mironova, a researcher at the Institute of Chemical Biology and Fundamental Medicine in Siberia.
Two substances that have immunoregulatory property - glutamate and taurine - would be the "engines" of bacteria that induce immune system responses, according to the scientists who discovered the bacillus also over 600 genes previously unknown.
"I'm sure that among these genes we will find who is responsible for longevity," says Vladimir Melnikov, Russian Academy of Sciences member and director of the Earth Cryosphere Institute of.
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