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Russian scientists created streptococcus vaccine

Specialists from the Institute of Experimental Medicine (Sankt-Petersburg) have elaborated a vaccine to cope with streptococcus from group B (Streptococcus agalactiae). This microorganism causes infection of breathing passages and sheath, as well as large bowel and urethra and might be deathful for newborn children. This streptococcus acts as one of the most often reasons of sepsis in case of seniors of the death of infants. The research article was published in the journal PLOS ONE.
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To create the vaccine, the researchers have used the gene of protein Vas which is specifically released by this microorganism. The scientists have transplanted this gene of protein to another less dangerous microbes, Enterococcus, and introduced them to mice. Afterward, mice have been infected with Streptococcus, and it has been turned out that the immune system of mice responds to the infection more intensively if compared to the case when the test animals are not injected with Enterococcus. This result means that the introduction of enterococcus with Vas protein has provided a signal to the immune system of test animals about the presence of an outsider. No mouse has died from the infection.

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