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  1. This HIV-neutralising antibody offers new avenues for cure

This HIV-neutralising antibody offers new avenues for cure

A team of researchers has discovered an antibody that can attack HIV in new ways.

By: | Washington Dc | Published: September 13, 2015 8:40 PM

A team of researchers has discovered an antibody that can attack HIV in new ways.

Proteins called broadly neutralizing antibodies (bNAbs) are a promising key to the prevention of infection by HIV, the virus that causes AIDS. bNAbs have been found in blood samples from some HIV patients whose immune systems can naturally control the infection.

These antibodies may protect a patient’s healthy cells by recognizing a protein called the envelope spike, present on the surface of all HIV strains and inhibiting, or neutralizing, the effects of the virus.

Now Caltech researchers have discovered that one particular bNAb may be able to recognize this signature protein, even as it takes on different conformations during infection, making it easier to detect and neutralize the viruses in an infected patient.

The idea of bNAb therapeutics might not be far from a clinical reality. First author Louise Scharf says that the same collaborators at Rockefeller University are already testing bNAbs in a human treatment in a clinical trial.

Although the initial trial will not include 8ANC195, the antibody may be included in a combination therapy trial in the near future, Scharf says.

The work is published in the journal Cell.

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