Variation in the spread of HIV virus
03 years http://www.sina.com.cn 2009 on 01 Day 03:01 City Express
According to Xinhua News Agency, an international research team in the latest issue of "Nature" magazine reported that genetic variation, because people can evade the immune system to attack the AIDS virus is spreading.

Has the United States and Japan, scientists at Harvard University, Kumamoto University researchers involved in this international research team recently analyzed the Japan, the United Kingdom and South Africa about eight National 2800 HIV-infected persons, they found: and Human histocompatibility antigen combining HIV proteins have taken place in 14 variations.

Some infected people have innate has a particular type of person histocompatibility antigen, one of about 96% of the cells infected with a variation of inner HIV. No specific antigen has infected 29 percent of the human body exists in the variation of HIV.

The researchers speculated that the antigen has a specific type of infection in vivo, variation of constant proliferation of HIV, can spread to not have this particular antigen in the body.

The international scientific group's host, the United States古尔德尔immunologist at Harvard University, said: "In the past, we know that the virus will be in a single patient evolution, variation. To develop an AIDS vaccine, as long as in most patients with HIV do not change, it is not particularly important. "

But now, new findings mean that: "We even found an effective AIDS vaccine may also be required in accordance with the continuous variation of the evolution of the virus situation, changing the vaccine."