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Cited by 375

The DOI matches its Crossref record; 44 of the 44 references it cites were found in a registry or an index.

Antibody-Dependent Cellular Cytotoxicity-Mediating Antibodies from an HIV-1 Vaccine Efficacy Trial Target Multiple Epitopes and Preferentially Use the VH1 Gene Family

Open access
Bonsignori, Mattia, Pollara, Justin, Moody, M. Anthony, Alpert, Michael D., Chen, Xi, Hwang, Kwan-Ki, Gilbert, Peter B., Huang, Ying, Gurley, Thaddeus C., Kozink, Daniel M., Marshall, Dawn J., Whitesides, John F., Tsao, Chun-Yen, Kaewkungwal, Jaranit, Nitayaphan, Sorachai, Pitisuttithum, Punnee, Rerks-Ngarm, Supachai, Kim, Jerome H., Michael, Nelson L., Tomaras, Georgia D., Montefiori, David C., Lewis, George K., DeVico, Anthony, Evans, David T., Ferrari, Guido, Liao, Hua-Xin, Haynes, Barton F.·2012·Journal of Virology

Abstract

The ALVAC-HIV/AIDSVAX-B/E RV144 vaccine trial showed an estimated efficacy of 31%. RV144 secondary immune correlate analysis demonstrated that the combination of low plasma anti-HIV-1 Env IgA antibodies and high levels of antibody-dependent cellular cytotoxicity (ADCC) inversely correlate with infection risk. One hypothesis is that the observed protection in RV144 is partially due to ADCC-mediating antibodies. We found that the majority (73 to 90%) of a representative group of vaccinees displayed plasma ADCC activity, usually (96.2%) blocked by competition with the C1 region-specific A32 Fab fragment. Using memory B-cell cultures and antigen-specific B-cell sorting, we isolated 23 ADCC-mediating nonclonally related antibodies from 6 vaccine recipients. These antibodies targeted A32-blockable conformational epitopes ( n = 19), a non-A32-blockable conformational epitope ( n = 1), and the gp120 Env variable loops ( n = 3). Fourteen antibodies mediated cross-clade target cell killing. ADCC-mediating antibodies displayed modest levels of V-heavy (VH) chain somatic mutation (0.5 to 1.5%) and also displayed a disproportionate usage of VH1 family genes (74%), a phenomenon recently described for CD4-binding site broadly neutralizing antibodies (bNAbs). Maximal ADCC activity of VH1 antibodies correlated with mutation frequency. The polyclonality and low mutation frequency of these VH1 antibodies reveal fundamental differences in the regulation and maturation of these ADCC-mediating responses compared to VH1 bNAbs.

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Metadata

Authors
Bonsignori, M., Pollara, J., Moody, M. A., Alpert, M. D., Chen, X., Hwang, K.-K., Gilbert, P. B., Huang, Y., Gurley, T. C., Kozink, D. M., Marshall, D. J., Whitesides, J. F., Tsao, C.-Y., Kaewkungwal, J., Nitayaphan, S., Pitisuttithum, P., Rerks-Ngarm, S., Kim, J. H., Michael, N. L., Tomaras, G. D., Montefiori, D. C., Lewis, G. K., DeVico, A., Evans, D. T., Ferrari, G., Liao, H.-X., & Haynes, B. F.
Venue
Journal of Virology
Published
2012-11
Volume
86
Issue
21
Pages
11521-11532
ISSN
  • 0022-538X (ISSN-L)
  • 1098-5514
OpenAlex
W2131896393
Cited by
375
References
44
FWCI
16.86
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Antibody-Dependent Cellular Cytotoxicity-Mediating Antibodies from an HIV-1 Vaccine Efficacy Trial Target Multiple Epitopes and Preferentially Use the VH1 Gene Family. https://app.cochat.ai/papers/10.1128/jvi.01023-12
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Bonsignori, M., Pollara, J., Moody, M. A., Alpert, M. D., Chen, X., Hwang, K.-K., Gilbert, P. B., Huang, Y., Gurley, T. C., Kozink, D. M., Marshall, D. J., Whitesides, J. F., Tsao, C.-Y., Kaewkungwal, J., Nitayaphan, S., Pitisuttithum, P., Rerks-Ngarm, S., Kim, J. H., Michael, N. L., . . . Haynes, B. F. (2012). Antibody-Dependent Cellular Cytotoxicity-Mediating Antibodies from an HIV-1 Vaccine Efficacy Trial Target Multiple Epitopes and Preferentially Use the VH1 Gene Family. Journal of Virology. https://doi.org/10.1128/jvi.01023-12

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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