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Title: HIV Envelope Glycoform Heterogeneity and Localized Diversity Govern the Initiation and Maturation of a V2 Apex Broadly Neutralizing Antibody Lineage

Journal Article · · Immunity
 [1];  [2];  [3];  [3];  [3];  [3];  [1];  [1];  [4];  [2];  [5];  [3];  [6];  [1];  [7];  [7];  [8];  [8];  [9];  [3] more »;  [3];  [10];  [11];  [12];  [13] « less
  1. The Scripps Research Inst., La Jolla, CA (United States); International AIDS Vaccine Initiative, New York, NY (United States)
  2. Univ. of California, San Diego, CA (United States)
  3. The Scripps Research Inst., La Jolla, CA (United States)
  4. Icahn School of Medicine and Icahn Inst. for Genomics and Multiscale Biology at Mount Sinai, New York, NY (United States)
  5. The Scripps Research Inst., La Jolla, CA (United States); Leidos Biomedical Inc., Bethesda, MD (United States)
  6. The Scripps Research Inst., La Jolla, CA (United States); Univ. Grenoble Alpes (France)
  7. Monogram Biosciences Inc., San Francisco, CA (United States)
  8. Theraclone Sciences, Inc., Seattle, WA (United States); OncoResponse Inc, Seattle WA (United States)
  9. Rwanda-Zambia HIV Research Group, Kigali (Rwanda)
  10. The Scripps Research Inst., La Jolla, CA (United States); Massachusetts Inst. of Technology and Harvard, Cambridge, MA (United States)
  11. Univ. of California, San Diego, CA (United States); Veterans Affairs Healthcare System, San Diego, CA (United States)
  12. Univ. of California, San Diego, CA (United States); Temple Univ., Philadelphia, PA (United States)
  13. The Scripps Research Inst., La Jolla, CA (United States); International AIDS Vaccine Initiative, New York, NY (United States); Univ. Grenoble Alpes (France)

Understanding how broadly neutralizing antibodies (bnAbs) to HIV envelope (Env) develop during natural infection can help guide the rational design of an HIV vaccine. Here, we described a bnAb lineage targeting the Env V2 apex and the Ab-Env co-evolution that led to development of neutralization breadth. The lineage Abs bore an anionic heavy chain complementarity-determining region 3 (CDRH3) of 25 amino acids, among the shortest known for this class of Abs, and achieved breadth with only 10% nucleotide somatic hypermutation and no insertions or deletions. The data suggested a role for Env glycoform heterogeneity in the activation of the lineage germline B cell. Finally, we showed that localized diversity at key V2 epitope residues drove bnAb maturation toward breadth, mirroring the Env evolution pattern described for another donor who developed V2-apex targeting bnAbs. Furthermore, these findings suggest potential strategies for vaccine approaches based on germline-targeting and serial immunogen design.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC); Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery; National Inst. of Allergy and Infectious Diseases (NIH/NIAID); International AIDS Vaccine Initiative Neutralizing Antibody Consortium through the Collaboration for AIDS Vaccine Discovery
Grant/Contract Number:
AC02-06CH11357; U19AI090970; UM1AI100663; R00AI120851; T15LM007092; U01GM110749; OPP1084519; OPP1115782
OSTI ID:
1483019
Alternate ID(s):
OSTI ID: 1498319
Journal Information:
Immunity, Vol. 47, Issue 5; ISSN 1074-7613
Publisher:
Cell PressCopyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 68 works
Citation information provided by
Web of Science

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Positive Selection at Key Residues in the HIV Envelope Distinguishes Broad and Strain-Specific Plasma Neutralizing Antibodies journal December 2018
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Ancestral sequences from an elite neutralizer proximal to the development of neutralization resistance as a potential source of HIV vaccine immunogens journal April 2019
An MPER antibody neutralizes HIV-1 using germline features shared among donors journal November 2019
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The expanding array of HIV broadly neutralizing antibodies journal October 2018
Insights into the Structural Basis of Antibody Affinity Maturation from Next-Generation Sequencing journal February 2018
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Advances in HIV-1 Vaccine Development journal April 2018
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Recent progress in broadly neutralizing antibodies to HIV journal October 2018
Somatic hypermutation to counter a globally rare viral immunotype drove off-track antibodies in the CAP256-VRC26 HIV-1 V2-directed bNAb lineage journal September 2019
Broadly neutralizing antibodies: What is needed to move from a rare event in HIV-1 infection to vaccine efficacy? text January 2018
Identification of Antibodies Targeting the H3N2 Hemagglutinin Receptor Binding Site Following Vaccination of Humans journal January 2019
De novo inference of diversity genes and analysis of non-canonical V(DD)J recombination in immunoglobulins preprint January 2019
The Chimpanzee SIV Envelope Trimer: Structure and Deployment as an HIV Vaccine Template journal May 2019
Long-read amplicon denoising journal August 2019
Positive Selection at Key Residues in the HIV Envelope Distinguishes Broad and Strain-Specific Plasma Neutralizing Antibodies journal December 2018
Stabilizing HIV-1 envelope glycoprotein trimers to induce neutralizing antibodies journal September 2018
The expanding array of HIV broadly neutralizing antibodies journal October 2018
Glycoengineering HIV-1 Env creates ‘supercharged’ and ‘hybrid’ glycans to increase neutralizing antibody potency, breadth and saturation journal May 2018
V2-Specific Antibodies in HIV-1 Vaccine Research and Natural Infection: Controllers or Surrogate Markers journal August 2019