Targeted selection of HIV-specific antibody mutations by engineering B cell maturation

Author:

Saunders Kevin O.123ORCID,Wiehe Kevin4ORCID,Tian Ming5ORCID,Acharya Priyamvada1ORCID,Bradley Todd4ORCID,Alam S. Munir4ORCID,Go Eden P.6,Scearce Richard4ORCID,Sutherland Laura4ORCID,Henderson Rory4ORCID,Hsu Allen L.7ORCID,Borgnia Mario J.7ORCID,Chen Haiyan4,Lu Xiaozhi4,Wu Nelson R.4ORCID,Watts Brian4,Jiang Chuancang4,Easterhoff David4,Cheng Hwei-Ling5,McGovern Kelly5ORCID,Waddicor Peyton5ORCID,Chapdelaine-Williams Aimee5,Eaton Amanda4ORCID,Zhang Jinsong4,Rountree Wes4ORCID,Verkoczy Laurent4,Tomai Mark8ORCID,Lewis Mark G.9ORCID,Desaire Heather R.6,Edwards Robert J.4ORCID,Cain Derek W.4ORCID,Bonsignori Mattia4ORCID,Montefiori David1ORCID,Alt Frederick W.5ORCID,Haynes Barton F.34ORCID

Affiliation:

1. Human Vaccine Institute and Department of Surgery, Duke University School of Medicine, Durham, NC 27710, USA.

2. Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA.

3. Department of Immunology, Duke University School of Medicine, Durham, NC 27710, USA.

4. Human Vaccine Institute and Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA.

5. Howard Hughes Medical Institute, Program in Cellular and Molecular Medicine, Boston Children’s Hospital, Department of Genetics, Harvard Medical School, Boston, MA 02115, USA.

6. Department of Chemistry, University of Kansas, Lawrence, KS 66049, USA.

7. Genome Integrity and Structural Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC 27709, USA.

8. Corporate Research Materials Lab, 3M Company, St. Paul, MN 55144, USA.

9. Bioqual, Rockville, MD 20850, USA.

Abstract

Engineering better bnAbs A highly effective HIV vaccine has been the goal of vaccinologists for nearly 35 years. A successful vaccine would need to induce broadly neutralizing antibodies (bnAbs) that are capable of neutralizing multiple HIV strains (see the Perspective by Agazio and Torres). Steichen et al. report a strategy in which the first vaccine shot can lead to immune responses that generate desired bnAbs. By combining knowledge of human antibody repertoires and structure to guide design, they validated candidate immunogens through functional preclinical testing. Saunders et al. designed immunogens with differences in binding strength for bnAb precursors, which enabled selection of rare mutations after immunization. The immunogens promoted bnAb precursor maturation in humanized mice and macaques. Science , this issue p. eaax4380 , p. eaay7199 ; see also p. 1197

Funder

National Institute of Allergy and Infectious Diseases

Duke University

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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