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Bates JT, Lirette ST, Farmer AP, Bierdeman MA, Seyfarth KB, Ederer DR, Montgomery DD, Burnett GC, Pham AT, Marshall GD. Serological assessment of the durability of vaccine-mediated protection against SARS-CoV-2 infection. Hum Vaccin Immunother 2024; 20:2308375. [PMID: 38361363 PMCID: PMC10877977 DOI: 10.1080/21645515.2024.2308375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/18/2024] [Indexed: 02/17/2024] Open
Abstract
Virus-neutralizing antibodies are often accepted as a correlate of protection against infection, though questions remain about which components of the immune response protect against SARS-CoV-2 infection. In this small observational study, we longitudinally measured spike receptor binding domain (RBD)-specific and nucleocapsid (NP)-specific serum IgG in a human cohort immunized with the Pfizer BNT162b2 vaccine. NP is not encoded in the vaccine, so an NP-specific response is serological evidence of natural infection. A greater than fourfold increase in NP-specific antibodies was used as the serological marker of infection. Using the RBD-specific IgG titers prior to seroconversion for NP, we calculated a protective threshold for RBD-specific IgG. On average, the RBD-specific IgG response wanes below the protective threshold 169 days following vaccination. Many participants without a history of a positive test result for SARS-CoV-2 infection seroconverted for NP-specific IgG. As a group, participants who seroconverted for NP-specific IgG had significantly higher levels of RBD-specific IgG following NP-seroconversion. RBD-specific IgG titers may serve as one correlate of protection against SARS-CoV-2 infection. These titers wane below the proposed protective threshold approximately six months following immunization. Based on serological evidence of infection, the frequency of breakthrough infections and consequently the level of SARS-CoV-2-specific immunity in the population may be higher than what is predicted based on the frequency of documented infections.
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Affiliation(s)
- John T. Bates
- Department of Cell and Molecular Biology, University of Mississippi Medical Center, Jackson, MS, USA
- Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA
- Center for Immunology and Microbial Research, University of Mississippi Medical Center, Jackson, MS, USA
| | - Seth T. Lirette
- School of Population Health, University of Mississippi Medical Center, Jackson, MS, USA
| | - Andrew P. Farmer
- Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA
| | - Michael A. Bierdeman
- Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA
| | - Kristina B. Seyfarth
- Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA
| | - Dallas R. Ederer
- Medical Student Research Program, University of Mississippi Medical Center, Jackson, MS, USA
| | - Denise D. Montgomery
- Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA
| | - Grace C. Burnett
- Department of Cell and Molecular Biology, University of Mississippi Medical Center, Jackson, MS, USA
| | - Amanda T. Pham
- Medical Student Research Program, University of Mississippi Medical Center, Jackson, MS, USA
| | - Gailen D. Marshall
- Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA
- Center for Immunology and Microbial Research, University of Mississippi Medical Center, Jackson, MS, USA
- School of Population Health, University of Mississippi Medical Center, Jackson, MS, USA
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Sankhala RS, Lal KG, Jensen JL, Dussupt V, Mendez-Rivera L, Bai H, Wieczorek L, Mayer SV, Zemil M, Wagner DA, Townsley SM, Hajduczki A, Chang WC, Chen WH, Donofrio GC, Jian N, King HAD, Lorang CG, Martinez EJ, Rees PA, Peterson CE, Schmidt F, Hart TJ, Duso DK, Kummer LW, Casey SP, Williams JK, Kannan S, Slike BM, Smith L, Swafford I, Thomas PV, Tran U, Currier JR, Bolton DL, Davidson E, Doranz BJ, Hatziioannou T, Bieniasz PD, Paquin-Proulx D, Reiley WW, Rolland M, Sullivan NJ, Vasan S, Collins ND, Modjarrad K, Gromowski GD, Polonis VR, Michael NL, Krebs SJ, Joyce MG. Diverse array of neutralizing antibodies elicited upon Spike Ferritin Nanoparticle vaccination in rhesus macaques. Nat Commun 2024; 15:200. [PMID: 38172512 PMCID: PMC10764318 DOI: 10.1038/s41467-023-44265-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 12/06/2023] [Indexed: 01/05/2024] Open
Abstract
The repeat emergence of SARS-CoV-2 variants of concern (VoC) with decreased susceptibility to vaccine-elicited antibodies highlights the need to develop next-generation vaccine candidates that confer broad protection. Here we describe the antibody response induced by the SARS-CoV-2 Spike Ferritin Nanoparticle (SpFN) vaccine candidate adjuvanted with the Army Liposomal Formulation including QS21 (ALFQ) in non-human primates. By isolating and characterizing several monoclonal antibodies directed against the Spike Receptor Binding Domain (RBD), N-Terminal Domain (NTD), or the S2 Domain, we define the molecular recognition of vaccine-elicited cross-reactive monoclonal antibodies (mAbs) elicited by SpFN. We identify six neutralizing antibodies with broad sarbecovirus cross-reactivity that recapitulate serum polyclonal antibody responses. In particular, RBD mAb WRAIR-5001 binds to the conserved cryptic region with high affinity to sarbecovirus clades 1 and 2, including Omicron variants, while mAb WRAIR-5021 offers complete protection from B.1.617.2 (Delta) in a murine challenge study. Our data further highlight the ability of SpFN vaccination to stimulate cross-reactive B cells targeting conserved regions of the Spike with activity against SARS CoV-1 and SARS-CoV-2 variants.
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Affiliation(s)
- Rajeshwer S Sankhala
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Kerri G Lal
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Jaime L Jensen
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Vincent Dussupt
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Letzibeth Mendez-Rivera
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Hongjun Bai
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Lindsay Wieczorek
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Sandra V Mayer
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Michelle Zemil
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Danielle A Wagner
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Samantha M Townsley
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Agnes Hajduczki
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - William C Chang
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Wei-Hung Chen
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Gina C Donofrio
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Ningbo Jian
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Hannah A D King
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Cynthia G Lorang
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Elizabeth J Martinez
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Phyllis A Rees
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Caroline E Peterson
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Fabian Schmidt
- Laboratory of Retrovirology, The Rockefeller University, New York, NY, USA
| | | | | | | | | | | | | | - Bonnie M Slike
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Lauren Smith
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Isabella Swafford
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Paul V Thomas
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Ursula Tran
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Jeffrey R Currier
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Diane L Bolton
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | | | | | | | - Paul D Bieniasz
- Laboratory of Retrovirology, The Rockefeller University, New York, NY, USA
- Howard Hughes Medical Institute, The Rockefeller University, New York, NY, USA
| | - Dominic Paquin-Proulx
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | | | - Morgane Rolland
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Nancy J Sullivan
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Sandhya Vasan
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Natalie D Collins
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Kayvon Modjarrad
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
- Vaccine Research and Development, Pfizer, Pearl River, New York, NY, USA
| | - Gregory D Gromowski
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Victoria R Polonis
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Nelson L Michael
- Center for Infectious Disease Research, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Shelly J Krebs
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA.
- U.S. Military HIV Research Program, Walter Reed Army Institute of Research, Silver Spring, MD, USA.
| | - M Gordon Joyce
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA.
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA.
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