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Title: Trispecific broadly neutralizing HIV antibodies mediate potent SHIV protection in macaques

Journal Article · · Science
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  1. Sanofi, Cambridge, MA (United States)
  2. National Inst. of Allergy and Infectious Diseases, Bethesda, MD (United States)
  3. Harvard Medical School, Boston, MA (United States); Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA (United States)
  4. Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA (United States); The Scripps Research Inst., La Jolla, CA (United States)

The development of an effective AIDS vaccine has been challenging because of viral genetic diversity and the difficulty of generating broadly neutralizing antibodies (bnAbs). We engineered trispecific antibodies (Abs) that allow a single molecule to interact with three independent HIV-1 envelope determinants: the CD4 binding site, the membrane-proximal external region (MPER), and the V1V2 glycan site. Trispecific Abs exhibited higher potency and breadth than any previously described single bnAb, showed pharmacokinetics similar to those of human bnAbs, and conferred complete immunity against a mixture of simian-human immunodeficiency viruses (SHIVs) in nonhuman primates, in contrast to single bnAbs. Trispecific Abs thus constitute a platform to engage multiple therapeutic targets through a single protein, and they may be applicable for treatment of diverse diseases, including infections, cancer, and autoimmunity.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
National Institutes of Health (NIH)
OSTI ID:
1438883
Journal Information:
Science, Vol. 358, Issue 6359; ISSN 0036-8075
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 181 works
Citation information provided by
Web of Science

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Targeting reservoirs of HIV replication in lymphoid follicles with cellular therapies to cure HIV journal November 2018
T-Cell-Mimicking Nanoparticles Can Neutralize HIV Infectivity journal September 2018
DNA‐Mediated Assembly of Multispecific Antibodies for T Cell Engaging and Tumor Killing journal November 2019
Evaluation of susceptibility of HIV-1 CRF01_AE variants to neutralization by a panel of broadly neutralizing antibodies journal September 2018
Expanding the Boundaries of Biotherapeutics with Bispecific Antibodies journal August 2018
All for one and one for all to fight flu journal December 2018
Passive immunotherapy of viral infections: 'super-antibodies' enter the fray journal January 2018
Rational design of a trispecific antibody targeting the HIV-1 Env with elevated anti-viral activity journal February 2018
Molecular recognition of the native HIV-1 MPER revealed by STED microscopy of single virions journal January 2019
Improvement of antibody functionality by structure-guided paratope engraftment journal February 2019
Bispecific antibodies: a mechanistic review of the pipeline journal June 2019
Why and where an HIV cure is needed and how it might be achieved journal December 2019
Recent progress in broadly neutralizing antibodies to HIV journal October 2018
Trispecific antibodies enhance the therapeutic efficacy of tumor-directed T cells through T cell receptor co-stimulation journal November 2019
HIV cure: global overview of bNAbs’ patents and related scientific publications journal July 2018
Clinical pharmacology in HIV cure research – what impact have we seen? journal December 2018
The impact of proline isomerization on antigen binding and the analytical profile of a trispecific anti-HIV antibody journal January 2020
Broadly neutralizing antibodies for HIV-1: efficacies, challenges and opportunities journal January 2020
Through the barricades: overcoming the barriers to effective antibody-based cancer therapeutics journal June 2018
Translational drug discovery and development with the use of tissue‐relevant biomarkers: Towards more physiological relevance and better prediction of clinical efficacy journal June 2019
Multispecific anti-HIV duoCAR-T cells display broad in vitro antiviral activity and potent in vivo elimination of HIV-infected cells in a humanized mouse model journal August 2019
Tuberculosis Vaccine Development: Progress in Clinical Evaluation journal October 2019
Defining HIV-1 Envelope N-Glycan Microdomains through Site-Specific Heterogeneity Profiles journal October 2018
In Vivo Validation of the Viral Barcoding of Simian Immunodeficiency Virus SIVmac239 and the Development of New Barcoded SIV and Subtype B and C Simian-Human Immunodeficiency Viruses journal October 2019
Sensitivity to Broadly Neutralizing Antibodies of Recently Transmitted HIV-1 Clade CRF02_AG Viruses with a Focus on Evolution over Time journal November 2018
Coadministration of CH31 Broadly Neutralizing Antibody Does Not Affect Development of Vaccine-Induced Anti-HIV-1 Envelope Antibody Responses in Infant Rhesus Macaques journal December 2018
Therapeutic Efficacy of Vectored PGT121 Gene Delivery in HIV-1-Infected Humanized Mice journal January 2018
Importance of Neutralizing Monoclonal Antibodies Targeting Multiple Antigenic Sites on the Middle East Respiratory Syndrome Coronavirus Spike Glycoprotein To Avoid Neutralization Escape journal March 2018
Prime-Boost Immunizations with DNA, Modified Vaccinia Virus Ankara, and Protein-Based Vaccines Elicit Robust HIV-1 Tier 2 Neutralizing Antibodies against the CAP256 Superinfecting Virus journal February 2019
Reduced Cell-Associated DNA and Improved Viral Control in Macaques following Passive Transfer of a Single Anti-V2 Monoclonal Antibody and Repeated Simian/Human Immunodeficiency Virus Challenges journal March 2018
A Bispecific Antibody That Simultaneously Recognizes the V2- and V3-Glycan Epitopes of the HIV-1 Envelope Glycoprotein Is Broader and More Potent than Its Parental Antibodies journal January 2020
Antibody-Mediated Therapy against HIV/AIDS: Where Are We Standing Now? journal June 2018
Accumulation of follicular CD8+ T cells in pathogenic SIV infection journal April 2018
Tandem bispecific neutralizing antibody eliminates HIV-1 infection in humanized mice journal April 2018
Broadly neutralizing antibodies in HIV-1 treatment and prevention journal August 2018
Performance of epistasis detection methods in semi-simulated GWAS journal June 2018
The expanding array of HIV broadly neutralizing antibodies journal October 2018
Engineering and characterising a novel, highly potent bispecific antibody iMab-CAP256 that targets HIV-1 journal November 2019
Antiretroviral treatment, government policy and economy of HIV/AIDS in Brazil: is it time for HIV cure in the country? journal August 2019
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Safety and pharmacokinetics of the Fc-modified HIV-1 human monoclonal antibody VRC01LS: A Phase 1 open-label clinical trial in healthy adults journal January 2018
The adjuvant AlhydroGel elicits higher antibody titres than AddaVax when combined with HIV-1 subtype C gp140 from CAP256 journal December 2018
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Delayed vaginal SHIV infection in VRC01 and anti-α4β7 treated rhesus macaques journal May 2019
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A Single Tri-Epitopic Antibody Virtually Recapitulates the Potency of a Combination of Three Monoclonal Antibodies in Neutralization of Botulinum Neurotoxin Serotype A journal February 2018
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