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    bNAbs tagged posts

    Scientists Identify Immunological Profiles of people who make powerful HIV Antibodies

    July 30, 2016, Categories  Biology/Biotechnology, Health/Medical

    Immune perturbations in HIV-1–infected individuals who make broadly neutralizing_2016-07-30_14-14-25

    Comparison of plasma antibody responses. When compared with the A.Control group, the A.bnAb group had higher binding to HIV-1 Env gp120 (A) and gp41 (B) but similar binding (C) to TIV2008. Binding was similar between the B.bnAb and B.Control groups for the same three antigens (D to F). NS, not significant. Each symbol represents data from an individual participant; group medians, range, and quartiles are shown.

    Findings provide insight for vaccine development. People living with HIV who naturally produce broadly neutralizing antibodies (bNAbs) that may help suppress the virus have different immunological profiles than people who do not...

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    An Antibody bNab that can Attack HIV in New Ways

    September 11, 2015, Categories  Biology/Biotechnology, Health/Medical

    Broadly neutralizing antibodies to HIV-1 envelope glycoprotein are being evaluated as therapeutics to prevent or treat HIV-1 infection. Structural analysis of one such antibody, 8ANC195, revealed a new conformation of the envelope protein. The image shows the X-ray crystal structure of 8ANC195 in complex with the gp120 subunit of the envelope protein. The background shows schematic representations of HIV-1 virus particles studded with envelope proteins being recognized by 8ANC195 antibodies. Credit: Louise Scharf/Caltech

    Broadly neutralizing antibodies to HIV-1 envelope glycoprotein are being evaluated as therapeutics to prevent or treat HIV-1 infection. Structural analysis of one such antibody, 8ANC195, revealed a new conformation of the envelope protein. The image shows the X-ray crystal structure of 8ANC195 in complex with the gp120 subunit of the envelope protein. The background shows schematic representations of HIV-1 virus particles studded with envelope proteins being recognized by 8ANC195 antibodies. Credit: Louise Scharf/Caltech

    Broadly neutralizing antibodies (bNAbs) are thought to be the future for treating and preventing HIV infections. A bNAb recently characterized by researchers can neutralize the virus in several different states – increasing the antibody’s promise as a therapeutic.

    bNAbs ha...

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