Overcoming Steric Restrictions of VRC01 HIV-1 Neutralizing Antibodies through Immunization
Abstract
Broadly HIV-1 neutralizing VRC01 class antibodies target the CD4-binding site of Env. They are derived from VH1-2*02 antibody heavy chains paired with rare light chains expressing 5-amino acid-long CDRL3s. They have been isolated from infected subjects but have not yet been elicited by immunization. Env-derived immunogens capable of binding the germline forms of VRC01 B cell receptors on naive B cells have been designed and evaluated in knockin mice. However, the elicited antibodies cannot bypass glycans present on the conserved position N276 of Env, which restricts access to the CD4-binding site. Efforts to guide the appropriate maturation of these antibodies by sequential immunization have not yet been successful. Here, we report on a two-step immunization scheme that leads to the maturation of VRC01-like antibodies capable of accommodating the N276 glycan and displaying autologous tier 2 neutralizing activities. Our results are relevant to clinical trials aiming to elicit VRC01 antibodies.
- Authors:
-
- Vaccines and Infectious Diseases Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA; Department of Global Health, University of Washington, Seattle, WA, USA
- Vaccines and Infectious Diseases Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
- Department of Biochemistry, University of Washington, Seattle, WA, USA
- IAVI Neutralizing Antibody Center, Department of Immunology and Microbiology, The Scripps Research Institute, San Diego, CA, USA
- Department of Global Health, University of Washington, Seattle, WA, USA; Infectious Disease Research Institute, Seattle, WA, USA
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Laboratory for AIDS Vaccine Research and Development, Duke University, Durham, NC, USA
- Vaccines and Infectious Diseases Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA; Vaccine Research Center, National Institutes of Allergy and Infectious Diseases, NIH, Bethesda, MD, USA
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Institutes of Health (NIH); Pew Charitable Trust; Burroughs Wellcome Fund; Arnold and Mabel Beckman Cryo-EM Center; J.B. Pendleton Charitable Trust
- OSTI Identifier:
- 1623651
- Grant/Contract Number:
- AC02-05CH11231; R01 AI104384; P01 AI138212; U19 AI109632; HHSN272201800004C; R01GM120553
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Cell Reports
- Additional Journal Information:
- Journal Volume: 29; Journal Issue: 10; Journal ID: ISSN 2211-1247
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; Cell Biology
Citation Formats
Parks, K. Rachael, MacCamy, Anna J., Trichka, Josephine, Gray, Matthew, Weidle, Connor, Borst, Andrew J., Khechaduri, Arineh, Takushi, Brittany, Agrawal, Parul, Guenaga, Javier, Wyatt, Richard T., Coler, Rhea, Seaman, Michael, LaBranche, Celia, Montefiori, David C., Veesler, David, Pancera, Marie, McGuire, Andrew, and Stamatatos, Leonidas. Overcoming Steric Restrictions of VRC01 HIV-1 Neutralizing Antibodies through Immunization. United States: N. p., 2019.
Web. doi:10.1016/j.celrep.2019.10.071.
Parks, K. Rachael, MacCamy, Anna J., Trichka, Josephine, Gray, Matthew, Weidle, Connor, Borst, Andrew J., Khechaduri, Arineh, Takushi, Brittany, Agrawal, Parul, Guenaga, Javier, Wyatt, Richard T., Coler, Rhea, Seaman, Michael, LaBranche, Celia, Montefiori, David C., Veesler, David, Pancera, Marie, McGuire, Andrew, & Stamatatos, Leonidas. Overcoming Steric Restrictions of VRC01 HIV-1 Neutralizing Antibodies through Immunization. United States. https://doi.org/10.1016/j.celrep.2019.10.071
Parks, K. Rachael, MacCamy, Anna J., Trichka, Josephine, Gray, Matthew, Weidle, Connor, Borst, Andrew J., Khechaduri, Arineh, Takushi, Brittany, Agrawal, Parul, Guenaga, Javier, Wyatt, Richard T., Coler, Rhea, Seaman, Michael, LaBranche, Celia, Montefiori, David C., Veesler, David, Pancera, Marie, McGuire, Andrew, and Stamatatos, Leonidas. Sun .
"Overcoming Steric Restrictions of VRC01 HIV-1 Neutralizing Antibodies through Immunization". United States. https://doi.org/10.1016/j.celrep.2019.10.071. https://www.osti.gov/servlets/purl/1623651.
@article{osti_1623651,
title = {Overcoming Steric Restrictions of VRC01 HIV-1 Neutralizing Antibodies through Immunization},
author = {Parks, K. Rachael and MacCamy, Anna J. and Trichka, Josephine and Gray, Matthew and Weidle, Connor and Borst, Andrew J. and Khechaduri, Arineh and Takushi, Brittany and Agrawal, Parul and Guenaga, Javier and Wyatt, Richard T. and Coler, Rhea and Seaman, Michael and LaBranche, Celia and Montefiori, David C. and Veesler, David and Pancera, Marie and McGuire, Andrew and Stamatatos, Leonidas},
abstractNote = {Broadly HIV-1 neutralizing VRC01 class antibodies target the CD4-binding site of Env. They are derived from VH1-2*02 antibody heavy chains paired with rare light chains expressing 5-amino acid-long CDRL3s. They have been isolated from infected subjects but have not yet been elicited by immunization. Env-derived immunogens capable of binding the germline forms of VRC01 B cell receptors on naive B cells have been designed and evaluated in knockin mice. However, the elicited antibodies cannot bypass glycans present on the conserved position N276 of Env, which restricts access to the CD4-binding site. Efforts to guide the appropriate maturation of these antibodies by sequential immunization have not yet been successful. Here, we report on a two-step immunization scheme that leads to the maturation of VRC01-like antibodies capable of accommodating the N276 glycan and displaying autologous tier 2 neutralizing activities. Our results are relevant to clinical trials aiming to elicit VRC01 antibodies.},
doi = {10.1016/j.celrep.2019.10.071},
journal = {Cell Reports},
number = 10,
volume = 29,
place = {United States},
year = {2019},
month = {12}
}
Web of Science
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Structural basis for germ-line gene usage of a potent class of antibodies targeting the CD4-binding site of HIV-1 gp120
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Rational Design of Envelope Identifies Broadly Neutralizing Human Monoclonal Antibodies to HIV-1
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Focused Evolution of HIV-1 Neutralizing Antibodies Revealed by Structures and Deep Sequencing
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Differences in Allelic Frequency and CDRH3 Region Limit the Engagement of HIV Env Immunogens by Putative VRC01 Neutralizing Antibody Precursors
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Structural Basis for Broad and Potent Neutralization of HIV-1 by Antibody VRC01
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Multidonor Analysis Reveals Structural Elements, Genetic Determinants, and Maturation Pathway for HIV-1 Neutralization by VRC01-Class Antibodies
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Structural Repertoire of HIV-1-Neutralizing Antibodies Targeting the CD4 Supersite in 14 Donors
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New tools for automated high-resolution cryo-EM structure determination in RELION-3
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