HIV antibodies may need the help of a second antibody

Supported by NIAID scientists discover cooperation with second antibody

John R. Mascola, MD, right, led a team to study the Vaccine Research Center at NIAID.

Credit: NIAID

??????A strategy for the development of a highly effective HIV vaccine is to learn how some people infected with certain viruses naturally develop antibodies, which are capable of preventing a large proportion of HIV strains infecting human cells in the laboratory. These so-called broadly neutralizing antibodies (bNAbs) too late develop to help people infected beat the virus, but a vaccine can stimulate the immune system of uninfected people to produce bNAbs, they could protect them from HIV infection.

Researchers have studied samples Serial blood donated by a South African guy living with HIV during the following period: the 15ª week until the 4º year after exposure. The intention is to understand how the immune system of the person developed the powerful bNAb. Scientists had already observed as its bNAb had changed its original form, immature, to its final form, the most powerful in the fight against HIV, through interactions with the virus for many months. In a new research, scientists have discovered that at the beginning of the infection process, a second antibody, most common, had influenced the virus to develop a mutation that help the bNAb to develop its widely neutralizing capacity. Thus, the coevolution process antibody and HIV can involve more than one antibody, consisting of a finding that has potential implications for the development of an HIV vaccine.

The new study was led by Barton F. Haynes, MD, director of the Human Vaccine Institute, Faculty of Medicine, Duke University and researcher at the National Institute of Allergy and Infectious Diseases (NIAID, its acronym in English), which is part the National Institutes of Health (NIH) of the United States. The scientists at the Vaccine Research Center (VRC) who collaborated were led by John R. Mascola, MD, and director of the center.

F Gao et al. Cooperation of B-cell lineages in induction of HIV-1 broadly neutralizing antibodies. Cell DOI: 10.1016 / j.cell.2014.06.022 (2014).

Anthony S. Fauci, MD and director of NIAID, and John R. Mascola, MD and director of the Vaccine Research Center at NIAID, are available for clarification.

To schedule interviews, please contact Laura S. Leifman, (301) 402-1663,

Translation: Evandro Gomide

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Person Living with HIV.
A guy like any other, living life, who likes, going to college, even if only to lock the registration; with dreams, aspirations, fears and half a dozen are sure to be doing the right thing because if it were not, God would have sent my hunted

Editor if Seropositive Web Site Note: This second antibody may be our best hope for the future and perhaps cure or remission!

Have you received your diagnostic reagent and are you scared? Do you think your life is over? Are you having thoughts "of the type clueless"?

You need to get your hopes up!

Understand that my resilience was built one day at a time, one illness after another, one SUSAN AFTER THE OTHER!

Resilience is not something you are born with! You ROW IT! One fall after another. For every fall inevitably follows a new rebound!

In summary:

get up

Shake the dust off!

And Turn Around!

Your doctor, your doctor can do a lot for you!

Your family, if you have any, because there is not one left for me, they can or can not do something for you.

God could do everything for you!

But it's up to you to decide to go ahead or sit on the curb!

Do you think I talk too much? Please read my outdated medical history! 🙂 It may take a little while!

And as for Health, it is a Right of All and a Duty of the State


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