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Klinmalai C, Srisala S, Sahakijpicharn T, Apiwattanakul N. Monitoring of adaptive immune responses in healthcare workers who received a Coronavirus disease 2019 vaccine booster dose. Health Sci Rep 2024; 7:e2250. [PMID: 39015422 PMCID: PMC11250167 DOI: 10.1002/hsr2.2250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 06/26/2024] [Accepted: 07/01/2024] [Indexed: 07/18/2024] Open
Abstract
Background and Aims Coronavirus disease 2019 (COVID-19) has become a global pandemic and led to increased mortality and morbidity. Vaccines against the etiologic agent; severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) were approved for emergency use on different platforms. In the early phase of the pandemic, Thai healthcare workers (HCWs) received CoronaVac, an inactivated vaccine, as the first vaccine against SARS-CoV-2, followed by ChAdOx1 nCoV-19, a viral vector-based vaccine, or BNT162b2, an mRNA vaccine, as a booster dose. This preliminary study evaluated the immunogenicity of ChAdOx1 nCoV-19 and BNT162b2 as a booster dose in HCWs who previously received two doses of CoronaVac. Methods Ten HCW participants received ChAdOx1 nCoV-19 and another 10 HCWs received BNT162b2 as a booster dose after two doses of CoronaVac. Anti-RBD IgG, neutralizing antibodies (NAb), and cellular immunity, including interferon-gamma (IFN-γ)-releasing CD4, CD8, double negative T cells, and NK cells, were measured at 3 and 5 months after the booster dose. Results There was no significant difference in anti-RBD IgG levels at 3 and 5 months between the two different types of booster vaccine. The levels of anti-RBD IgG and NAb were significantly decreased at 5 months. HCWs receiving BNT162b2 had significantly higher NAb levels than those receiving ChAdOx1 nCoV-19 at 5 months after the booster dose. IFN-γ release from CD4 T cells was detected at 3 months with no significant difference between the two types of booster vaccines. However, IFN-γ-releasing CD4 T cells were present at 5 months in the ChAdOx1 nCoV-19 group only. Conclusion ChAdOx1 nCoV-19 or BNT162b2 can be used as a booster dose after completion of the primary series primed by inactivated vaccine. Although the levels of immunity decline at 5 months, they may be adequate during the first 3 months after the booster dose.
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Affiliation(s)
- Chompunuch Klinmalai
- Department of Paediatrics, Faculty of Medicine Ramathibodi HospitalMahidol UniversityBangkokThailand
| | - Supanart Srisala
- Research Center, Faculty of Medicine Ramathibodi HospitalMahidol UniversityBangkokThailand
| | - Thiantip Sahakijpicharn
- Department of Paediatrics, Faculty of Medicine Ramathibodi HospitalMahidol UniversityBangkokThailand
| | - Nopporn Apiwattanakul
- Department of Paediatrics, Faculty of Medicine Ramathibodi HospitalMahidol UniversityBangkokThailand
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Zhan H, Xie Y, Liu Y, Cheng L, Xu Y, Qu X, Li C, Guo X, Li H, Wang Y, Dai E, Wang L, Gao H, Li Y. Omicron BA.4/5 neutralization and cell-mediated immune responses in relation to baseline immune status and breakthrough infection among PLWH: A follow-up cohort study. J Med Virol 2024; 96:e29446. [PMID: 38345110 DOI: 10.1002/jmv.29446] [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: 10/25/2023] [Revised: 01/04/2024] [Accepted: 01/21/2024] [Indexed: 02/15/2024]
Abstract
There is a paucity of data on hybrid immunity (vaccination plus breakthrough infection [BI]), especially cell-mediated responses to Omicron among immunosuppressed patients. We aim to investigate humoral and cellular responses to Omicron BA.4/5 among people living with HIV (PLWH) with/without BIs, the most prevalent variant of concern after the reopening of China. Based on our previous study, we enrolled 77 PLWH with baseline immune status of severe acute respiratory syndrome coronavirus 2 specific antibodies after inactivated vaccination. "Correlates of protection," including serological immunoassays, T cell phenotypes and memory B cells (MBC) were determined in PLWH without and with BI, together with 16 PLWH with reinfections. Higher inhibition rate of neutralizing antibodies (NAb) against BA.4/5 was elicited among PLWH with BI than those without. Omicron-reactive IL4+ CD8+ T cells were significantly elevated in PLWH experienced postvaccine infection contrasting with those did not. NAb towards wild type at baseline was associated with prolonged negative conversion time for PLWH whereas intermediate MBCs serve as protecting effectors. We uncovered that hybrid immunity intensified more protection on BA.4/5 than vaccination did. Strengthened surveillance on immunological parameters and timely clinical intervention on PLWH deficient in protection would reduce the severity and mortality in the context of coexistence with new Omicron subvariants.
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Affiliation(s)
- Haoting Zhan
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yuchen Xie
- School of Public Health, North China University of Science and Technology, Tangshan, China
- Department of Laboratory Medicine, Hebei Key Laboratory of Immune Mechanism of Major Infectious Diseases and New Technology of Diagnosis and Treatment, The Fifth Hospital of Shijiazhuang, North China University of Science and Technology, Tangshan, China
| | - Yongmei Liu
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Linlin Cheng
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yi Xu
- Department of Laboratory Medicine, Hebei Key Laboratory of Immune Mechanism of Major Infectious Diseases and New Technology of Diagnosis and Treatment, The Fifth Hospital of Shijiazhuang, North China University of Science and Technology, Tangshan, China
| | - Xiaojing Qu
- Department of AIDS, The Fifth Hospital of Shijiazhuang, North China University of Science and Technology, Tangshan, China
| | - Chen Li
- Department of AIDS, The Fifth Hospital of Shijiazhuang, North China University of Science and Technology, Tangshan, China
| | - Xinru Guo
- School of Public Health, North China University of Science and Technology, Tangshan, China
- Department of Laboratory Medicine, Hebei Key Laboratory of Immune Mechanism of Major Infectious Diseases and New Technology of Diagnosis and Treatment, The Fifth Hospital of Shijiazhuang, North China University of Science and Technology, Tangshan, China
| | - Haolong Li
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yuling Wang
- Department of AIDS, The Fifth Hospital of Shijiazhuang, North China University of Science and Technology, Tangshan, China
| | - Erhei Dai
- Department of Laboratory Medicine, Hebei Key Laboratory of Immune Mechanism of Major Infectious Diseases and New Technology of Diagnosis and Treatment, The Fifth Hospital of Shijiazhuang, North China University of Science and Technology, Tangshan, China
| | - Lijing Wang
- Department of AIDS, The Fifth Hospital of Shijiazhuang, North China University of Science and Technology, Tangshan, China
| | - Huixia Gao
- Department of Laboratory Medicine, Hebei Key Laboratory of Immune Mechanism of Major Infectious Diseases and New Technology of Diagnosis and Treatment, The Fifth Hospital of Shijiazhuang, North China University of Science and Technology, Tangshan, China
| | - Yongzhe Li
- Department of Clinical Laboratory, State key Laboratory of Complex, Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
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Cheng BY, Lin TY, Hung SC. Humoral immune response to an mRNA-1273 booster after chAdOx1-nCoV-19-priming among patients undergoing hemodialysis. Tzu Chi Med J 2023; 35:343-347. [PMID: 38035061 PMCID: PMC10683517 DOI: 10.4103/tcmj.tcmj_107_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 05/30/2023] [Accepted: 06/28/2023] [Indexed: 12/02/2023] Open
Abstract
Objectives Patients who are undergoing dialysis due to end-stage kidney disease are susceptible to greater coronavirus disease 2019 (COVID-19) complications. While vaccination is seen as the most effective tactic against COVID-19, the dialysis population usually has impaired immune responses to vaccination. Owing to the global vaccine supply shortage in the early phase of the COVID-19 pandemic, hemodialysis patients in Taiwan were administered homologous ChAdOx1 nCoV-19/ChAdOx1 nCoV-19 at 12-week intervals, with a third booster shot of mRNA-1273 given 12 weeks after the second dose. We assessed the antibody responses of these patients to this extended-interval dosing protocol. Materials and Methods A total of 168 hemodialysis patients (mean age: 67 ± 13 years) without prior COVID-19 infection were vaccinated between June 16, 2021, and January 5, 2022, and followed until February 10, 2022. The primary outcome was seroconversion with an antispike immunoglobulin G (IgG) antibody level ≥50 arbitrary units (AU)/mL at 4 weeks after the administration of an mRNA-1273 booster shot. The secondary outcome was the level of antispike IgG antibodies. Multivariable linear regression models were used to evaluate the associations between the baseline characteristics and the antispike IgG level. Results A total of 163 (97.0%) patients reached the primary endpoint, with antibody levels after the third booster dose of mRNA-1273 being significantly higher than those after the second dose of ChAdOx1 nCoV-19 (median IgG titer 12,007 [4394-23,860] vs. 846 [interquartile range 295-2114] AU/mL; P < 0.001). Patients who were male, older, had a higher body mass index, had a lower total lymphocyte count, and used immunosuppressants had lower antibody levels. Conclusion A third booster dose of mRNA-1273 after two consecutive priming doses of ChAdOx1 nCoV-19 with extended intervals resulted in adequate humoral immune responses among hemodialysis patients.
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Affiliation(s)
- Bo-Yu Cheng
- School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Ting-Yun Lin
- School of Medicine, Tzu Chi University, Hualien, Taiwan
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan
| | - Szu-Chun Hung
- School of Medicine, Tzu Chi University, Hualien, Taiwan
- Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan
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Casado JL, Vizcarra P, Martín-Hondarza A, Gómez-Maldonado S, Muedra-Sánchez M, del Pino J, Mirabella IG, Martín-Colmenarejo S, Haemmerle J, Fernández-Escribano M, Vallejo A. mRNA-based SARS-CoV-2 Comirnaty vaccine elicits weak and short specific memory B cell response in individuals with no previous infection. Front Immunol 2023; 14:1127379. [PMID: 37457694 PMCID: PMC10338867 DOI: 10.3389/fimmu.2023.1127379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 06/14/2023] [Indexed: 07/18/2023] Open
Abstract
Objectives The dynamics of the memory B cell (MBC) repertoire after SARS-CoV-2 vaccination is crucial for assessing long-term immunity. We compare spike-specific MBC responses between SARS-CoV-2 unexposed and recovered individuals, and their impact on breakthrough infections during follow-up. Methods Spike-specific MBC and T cells were quantified at inclusion and after two doses of mRNA vaccine in a longitudinal cohort of 85 naïve and 64 recovered participants (47 with positive serology and 17 with negative serology after infection). Results At inclusion, there was minimal spike-specific MBC in naïve SARS-CoV-2 individuals. After the second vaccine dose, MBCs were significantly boosted in naïve individuals, but reached a significantly lower level than that observed even in unvaccinated SARS-CoV-2 convalescents (p<0.001). Furthermore, while the secondary memory B cell (MBC) population consisted of 100%, 33%, and 76% IgG+, IgM+, and IgA+ expressing cells, respectively, in the unexposed group, the MBC response showed a significant decrease across all isotypes. Similarly, although secondary specific IgG+, IgM+, and IgA+-MBC isotypes were found in 100%, 39%, and 76% of the unexposed participants, respectively, the magnitude of the MBC levels was significantly lower for all the isotypes compared to convalescents. Interestingly, convalescents without an initial serological response had a lower MBC response, like what found in unexposed subjects. There was an inverse correlation between specific MBCs (r=-0.307; p=0.027), especially for isotype IgA+ (r=-0.279, p=0.045), and the time since the second vaccination dose. Furthermore, during a median follow-up of 434 days (IQR, 339-495), 49 out of 149 individuals (33%) became infected, 29 in naïve and 20 in convalescent individuals, showing a significant correlation between spike-specific MBC magnitude after vaccination and the time for SARS-CoV-2 infection, especially for IgA+/IgG+ MBC isotypes. Conclusions MBCs were primed by mRNA-based vaccination in most cases, but SARS-CoV-2 naïve individuals had a blunted specific MBC response, and this was associated with a shorter time to breakthrough SARS-CoV-2 infection.
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Affiliation(s)
- José L. Casado
- Department of Infectious Diseases, CIBERINFEC (Biomedical Research Center Network in Infectious Diseases), Madrid, Spain
- IRYCIS, Instituto Ramón y Cajal de Investigaciones Sanitarias, University Hospital Ramón y Cajal, Madrid, Spain
| | - Pilar Vizcarra
- Department of Infectious Diseases, CIBERINFEC (Biomedical Research Center Network in Infectious Diseases), Madrid, Spain
- IRYCIS, Instituto Ramón y Cajal de Investigaciones Sanitarias, University Hospital Ramón y Cajal, Madrid, Spain
| | | | - Sandra Gómez-Maldonado
- Department of Infectious Diseases, CIBERINFEC (Biomedical Research Center Network in Infectious Diseases), Madrid, Spain
| | | | - Judith del Pino
- Department of Infectious Diseases, CIBERINFEC (Biomedical Research Center Network in Infectious Diseases), Madrid, Spain
| | - Itria G. Mirabella
- Department of Occupational Safety and Health, University Hospital Ramón y Cajal, Madrid, Spain
| | - Sara Martín-Colmenarejo
- Department of Infectious Diseases, CIBERINFEC (Biomedical Research Center Network in Infectious Diseases), Madrid, Spain
| | - Johannes Haemmerle
- Department of Occupational Safety and Health, University Hospital Ramón y Cajal, Madrid, Spain
| | | | - Alejandro Vallejo
- Department of Infectious Diseases, CIBERINFEC (Biomedical Research Center Network in Infectious Diseases), Madrid, Spain
- IRYCIS, Instituto Ramón y Cajal de Investigaciones Sanitarias, University Hospital Ramón y Cajal, Madrid, Spain
- Laboratory of Immunovirology, University Hospital Ramón y Cajal, Madrid, Spain
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Shen J, Fan J, Zhao Y, Jiang D, Niu Z, Zhang Z, Cao G. Innate and adaptive immunity to SARS-CoV-2 and predisposing factors. Front Immunol 2023; 14:1159326. [PMID: 37228604 PMCID: PMC10203583 DOI: 10.3389/fimmu.2023.1159326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 04/27/2023] [Indexed: 05/27/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus (SARS-CoV-2), has affected all countries worldwide. Although some symptoms are relatively mild, others are still associated with severe and even fatal clinical outcomes. Innate and adaptive immunity are important for the control of SARS-CoV-2 infections, whereas a comprehensive characterization of the innate and adaptive immune response to COVID-19 is still lacking and the mechanisms underlying immune pathogenesis and host predisposing factors are still a matter of scientific debate. Here, the specific functions and kinetics of innate and adaptive immunity involved in SARS-CoV-2 recognition and resultant pathogenesis are discussed, as well as their immune memory for vaccinations, viral-mediated immune evasion, and the current and future immunotherapeutic agents. We also highlight host factors that contribute to infection, which may deepen the understanding of viral pathogenesis and help identify targeted therapies that attenuate severe disease and infection.
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Affiliation(s)
- Jiaying Shen
- Tongji University School of Medicine, Tongji University, Shanghai, China
| | - Junyan Fan
- Department of Epidemiology, Shanghai Key Laboratory of Medical Bioprotection, Key Laboratory of Biological Defense, Ministry of Education, Second Military Medical University, Shanghai, China
| | - Yue Zhao
- Department of Epidemiology, Shanghai Key Laboratory of Medical Bioprotection, Key Laboratory of Biological Defense, Ministry of Education, Second Military Medical University, Shanghai, China
| | - Doming Jiang
- Tongji University School of Medicine, Tongji University, Shanghai, China
| | - Zheyun Niu
- Tongji University School of Medicine, Tongji University, Shanghai, China
| | - Zihan Zhang
- Tongji University School of Medicine, Tongji University, Shanghai, China
| | - Guangwen Cao
- Tongji University School of Medicine, Tongji University, Shanghai, China
- Department of Epidemiology, Shanghai Key Laboratory of Medical Bioprotection, Key Laboratory of Biological Defense, Ministry of Education, Second Military Medical University, Shanghai, China
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Abu Fanne R, Moed M, Kedem A, Lidawi G, Maraga E, Mohsen F, Roguin A, Meisel SR. SARS-CoV-2 Infection-Blocking Immunity Post Natural Infection: The Role of Vitamin D. Vaccines (Basel) 2023; 11:vaccines11020475. [PMID: 36851353 PMCID: PMC9967845 DOI: 10.3390/vaccines11020475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
OBJECTIVE AND AIM The extent of the protection against SARS-CoV-2 conferred by natural infection is unclear. Vitamin D may have a role in the interplay between SARS-CoV-2 infection and the evolving acquired immunity against it. We tested the correlation between baseline 25(OH) D content and both the reinfection rate and the anti-spike protein antibody titer following COVID-19 infection. Methods A retrospective observational survey that included a large convalescent COVID-19 population of subjects insured by the Leumit HMO was recorded between 1 February 2020 and 30 January 2022. Inclusion criteria required at least one available 25(OH)D level prior to enlistment. The association between 25(OH)D levels, the rate of breakthrough infection, and the anti-spike protein antibody titer was evaluated. Results A total of 10,132 COVID-19 convalescent subjects were included, of whom 322 (3.3%) sustained reinfection within a one-year follow-up. In the first 8 months after recovery, the reinfected patients were characterized by a higher incidence of low 25(OH)D levels (<30 ng/mL, 92% vs. 84.8%, p < 0.05), while during the following three months, the incidence of low 25(OH)D levels was non-significantly higher among PCR-negative convalescent subjects compared to those reinfected (86% vs. 81.7, p = 0.15). By multivariate analysis, age > 44 years (OR-0.39, 95% CI: 0.173-0.87, p = 0.02) and anti-spike protein antibody titer > 50 AU/mL (0.49, 95% CI: 0.25-0.96, p = 0.04) were inversely related to reinfection. No consistent correlation with vitamin D levels was observed among the 3351 available anti-spike protein antibody titers of convalescent subjects. However, the median anti-spike protein antibody titers tended to increase over time in the vitamin D-deficient group. Conclusion Higher pre-infection 25(OH)D level correlated with protective COVID-19 immunity during the first 8 months following COVID-19 infection, which could not be explained by anti-spike protein antibody titers. This effect dissipated beyond this period, demonstrating a biphasic 25(OH)D association that warrants future studies.
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Affiliation(s)
- Rami Abu Fanne
- Leumit Health Services, Tel Aviv 6473817, Israel
- Heart Institute, Hillel Yaffe Medical Center, Hadera 3810101, Israel
- Correspondence:
| | - Mahmud Moed
- Leumit Health Services, Tel Aviv 6473817, Israel
| | - Aviv Kedem
- Leumit Health Services, Tel Aviv 6473817, Israel
| | - Ghalib Lidawi
- Urology Department, Hillel Yaffe Medical Center, Hadera 3810101, Israel
| | - Emad Maraga
- Clinical Biochemistry Department, Hadassah Medical Center, Jerusalem 9103102, Israel
| | - Fady Mohsen
- Heart Institute, Hillel Yaffe Medical Center, Hadera 3810101, Israel
| | - Ariel Roguin
- Heart Institute, Hillel Yaffe Medical Center, Hadera 3810101, Israel
| | - Simcha-Ron Meisel
- Heart Institute, Hillel Yaffe Medical Center, Hadera 3810101, Israel
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Abu Fanne R, Lidawi G, Maraga E, Moed M, Roguin A, Meisel SR. Correlation between Baseline 25(OH) Vitamin D Levels and Both Humoral Immunity and Breakthrough Infection Post-COVID-19 Vaccination. Vaccines (Basel) 2022; 10:vaccines10122116. [PMID: 36560526 PMCID: PMC9784151 DOI: 10.3390/vaccines10122116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/05/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022] Open
Abstract
Objective: Vaccines against COVID-19 induce specific antibodies whose titer is perceived as a reliable correlate of protection. Vitamin D confers complex regulatory effects on the innate and adaptive immunity. In this study, we explored a plausible impact of baseline vitamin D content on achieved immunity following COVID-19 vaccination. Methods: A retrospective observational study comprising 73,254 naïve subjects insured by the Leumit Health Service HMO, who were vaccinated between 1 February 2020 and 30 January 2022, with one available vitamin D level prior to vaccination, was performed. The association between 25(OH) vitamin D levels, SARS-CoV-2 antibody titer, and post-vaccination PCR results were evaluated. Results: Of the study population, 5026 (6.9%) tested positive for COVID-19. The proportion of low 25(OH)D levels (<30 ng/mL) was significantly higher in the PCR-positive group (81.5% vs. 79%, p < 0.001). Multivariate analysis showed a higher incidence of breakthrough infection among non-smokers [1.37 (95% CI 1.22−1.54, p < 0.001)] and lower incidences among subjects with sufficient 25(OH)D levels (>30 ng/mL) [0.87 (95% CI 0.79−0.95, p—0.004)], hyperlipidemia [0.84 (95% CI 0.76−0.93, p < 0.001], depression [OR-0.87 (95% CI: 0.79−0.96, p < 0.005], socio-economic status >10 [0.67 (95% CI 0.61−0.73, p < 0.001)], and age >44 years. SARS-CoV-2 antibody titers were available in 3659 vaccinated individuals. The prevalence of antibody titers (<50 AU) among PCR-positive subjects was 42% compared to 28% among PCR-negative subjects (p < 0.001). Baseline 25(OH)D levels showed an inverse relation to total antibody titers. However, no association was found with an antibody titer <50 AU/mL fraction. Conclusion Baseline 25(OH)D levels correlated with the vaccination-associated protective COVID-19 immunity. Antibody titers <50 AU/mL were significantly linked to breakthrough infection but did not correlate with 25(OH)D levels.
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Affiliation(s)
- Rami Abu Fanne
- Leumit Health Services, Tel Aviv 6473817, Israel
- Heart Institute, Hillel Yaffe Medical Center, Hadera 3810101, Israel
- Correspondence:
| | - Ghalib Lidawi
- Urology Department, Hillel Yaffe Medical Center, Hadera 3810101, Israel
| | - Emad Maraga
- Clinical Biochemistry Department, Hadassah Medical Center, Jerusalem 9103102, Israel
| | - Mahmud Moed
- Leumit Health Services, Tel Aviv 6473817, Israel
| | - Ariel Roguin
- Heart Institute, Hillel Yaffe Medical Center, Hadera 3810101, Israel
| | - Simcha-Ron Meisel
- Heart Institute, Hillel Yaffe Medical Center, Hadera 3810101, Israel
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Mendez-Cortina Y, Rodriguez-Perea AL, Chvatal-Medina M, Lopera TJ, Alvarez-Mesa N, Rodas-Marín JK, Moncada DC, Rugeles MT, Velilla PA. Dynamics of humoral immune response in SARS-CoV-2 infected individuals with different clinical stages. Front Immunol 2022; 13:1007068. [DOI: 10.3389/fimmu.2022.1007068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 11/01/2022] [Indexed: 11/16/2022] Open
Abstract
BackgroundThe COVID-19 pandemic remains a global health problem. As in other viral infections, the humoral immune response against SARS-CoV-2 is thought to be crucial for controlling the infection. However, the dynamic of B cells in the clinical spectrum of this disease is still controversial. This study aimed to characterize B cell subsets and neutralizing responses in COVID-19 patients according to disease severity through a one-month follow-up.MethodsA cohort of 71 individuals with SARS-CoV-2 infection confirmed by RT-PCR were recruited and classified into four groups: i) asymptomatic; ii) symptomatic outpatients; iii) hospitalized in ward, and iv) intensive care unit patients (ICU). Samples were taken at days 0 (inclusion to the study), 7 and 30. B cell subsets and neutralizing antibodies were assessed using multiparametric flow cytometry and plaque reduction neutralization, respectively.ResultsOlder age, male gender and body mass index over 25 were common factors among hospitalized and ICU patients, compared to those with milder clinical presentations. In addition, those requiring hospitalization had more comorbidities. A significant increase in the frequencies of CD19+ cells at day 0 was observed in hospitalized and ICU patients compared to asymptomatic and symptomatic groups. Likewise, the frequency of plasmablasts was significantly increased at the first sample in the ICU group compared to the asymptomatic group, but then waned over time. The frequency of naïve B cells decreased at days 7 and 30 compared to day 0 in hospitalized and ICU patients. The neutralizing antibody titers were higher as the severity of COVID-19 increased; in asymptomatic individuals, it was strongly correlated with the percentage of IgM+ switched memory B cells, and a moderate correlation was found with plasmablasts.ConclusionThe humoral immune response is variable among SARS-CoV-2 infected people depending on the severity and time of clinical evolution. In severe COVID-19 patients, a higher plasmablast frequency and neutralizing antibody response were observed, suggesting that, despite having a robust humoral immunity, this response could be late, having a low impact on disease outcome.
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Sedegah M, Porter C, Goguet E, Ganeshan H, Belmonte M, Huang J, Belmonte A, Inoue S, Acheampong N, Malloy AMW, Hollis-Perry M, Jackson-Thompson B, Ramsey KF, Alcorta Y, Maiolatesi SE, Wang G, Reyes AE, Illinik L, Sanchez-Edwards M, Burgess TH, Broder CC, Laing ED, Pollett SD, Villasante E, Mitre E, Hollingdale MR. Cellular interferon-gamma and interleukin-2 responses to SARS-CoV-2 structural proteins are broader and higher in those vaccinated after SARS-CoV-2 infection compared to vaccinees without prior SARS-CoV-2 infection. PLoS One 2022; 17:e0276241. [PMID: 36251675 PMCID: PMC9576055 DOI: 10.1371/journal.pone.0276241] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 10/03/2022] [Indexed: 11/29/2022] Open
Abstract
Class I- and Class II-restricted epitopes have been identified across the SARS-CoV-2 structural proteome. Vaccine-induced and post-infection SARS-CoV-2 T-cell responses are associated with COVID-19 recovery and protection, but the precise role of T-cell responses remains unclear, and how post-infection vaccination ('hybrid immunity') further augments this immunity To accomplish these goals, we studied healthy adult healthcare workers who were (a) uninfected and unvaccinated (n = 12), (b) uninfected and vaccinated with Pfizer-BioNTech BNT162b2 vaccine (2 doses n = 177, one dose n = 1) or Moderna mRNA-1273 vaccine (one dose, n = 1), and (c) previously infected with SARS-CoV-2 and vaccinated (BNT162b2, two doses, n = 6, one dose n = 1; mRNA-1273 two doses, n = 1). Infection status was determined by repeated PCR testing of participants. We used FluoroSpot Interferon-gamma (IFN-γ) and Interleukin-2 (IL-2) assays, using subpools of 15-mer peptides covering the S (10 subpools), N (4 subpools) and M (2 subpools) proteins. Responses were expressed as frequencies (percent positive responders) and magnitudes (spot forming cells/106 cytokine-producing peripheral blood mononuclear cells [PBMCs]). Almost all vaccinated participants with no prior infection exhibited IFN-γ, IL-2 and IFN-γ+IL2 responses to S glycoprotein subpools (89%, 93% and 27%, respectively) mainly directed to the S2 subunit and were more robust than responses to the N or M subpools. However, in previously infected and vaccinated participants IFN-γ, IL-2 and IFN-γ+IL2 responses to S subpools (100%, 100%, 88%) were substantially higher than vaccinated participants with no prior infection and were broader and directed against nine of the 10 S glycoprotein subpools spanning the S1 and S2 subunits, and all the N and M subpools. 50% of uninfected and unvaccinated individuals had IFN-γ but not IL2 or IFN-γ+IL2 responses against one S and one M subpools that were not increased after vaccination of uninfected or SARS-CoV-2-infected participants. Summed IFN-γ, IL-2, and IFN-γ+IL2 responses to S correlated with IgG responses to the S glycoprotein. These studies demonstrated that vaccinations with BNT162b2 or mRNA-1273 results in T cell-specific responses primarily against epitopes in the S2 subunit of the S glycoprotein, and that individuals that are vaccinated after SARS-CoV-2 infection develop broader and greater T cell responses to S1 and S2 subunits as well as the N and M proteins.
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Affiliation(s)
- Martha Sedegah
- Agile Vaccines and Therapeutics, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Chad Porter
- Translational Clinical Research Department, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Emilie Goguet
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States of America
| | - Harini Ganeshan
- Agile Vaccines and Therapeutics, Naval Medical Research Center, Silver Spring, MD, United States of America
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States of America
| | - Maria Belmonte
- Agile Vaccines and Therapeutics, Naval Medical Research Center, Silver Spring, MD, United States of America
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States of America
| | - Jun Huang
- Agile Vaccines and Therapeutics, Naval Medical Research Center, Silver Spring, MD, United States of America
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States of America
| | - Arnel Belmonte
- Agile Vaccines and Therapeutics, Naval Medical Research Center, Silver Spring, MD, United States of America
- General Dynamics Information Technology, Falls Church, VA, United States of America
| | - Sandra Inoue
- Agile Vaccines and Therapeutics, Naval Medical Research Center, Silver Spring, MD, United States of America
- General Dynamics Information Technology, Falls Church, VA, United States of America
| | - Neda Acheampong
- Agile Vaccines and Therapeutics, Naval Medical Research Center, Silver Spring, MD, United States of America
- General Dynamics Information Technology, Falls Church, VA, United States of America
| | - Allison M. W. Malloy
- Department of Pediatrics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Monique Hollis-Perry
- Clinical Trials Center, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Belinda Jackson-Thompson
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States of America
| | - Kathy F. Ramsey
- General Dynamics Information Technology, Falls Church, VA, United States of America
- Clinical Trials Center, Naval Medical Research Center, Silver Spring, MD, United States of America
- Infectious Diseases Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Yolanda Alcorta
- General Dynamics Information Technology, Falls Church, VA, United States of America
- Clinical Trials Center, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Santina E. Maiolatesi
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States of America
- Clinical Trials Center, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Gregory Wang
- General Dynamics Information Technology, Falls Church, VA, United States of America
- Clinical Trials Center, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Anatolio E. Reyes
- General Dynamics Information Technology, Falls Church, VA, United States of America
- Clinical Trials Center, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Luca Illinik
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States of America
- Infectious Diseases Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Margaret Sanchez-Edwards
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States of America
- Infectious Diseases Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Timothy H. Burgess
- Infectious Diseases Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Christopher C. Broder
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Eric D. Laing
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Simon D. Pollett
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States of America
- Infectious Diseases Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Eileen Villasante
- Agile Vaccines and Therapeutics, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Edward Mitre
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, United States of America
| | - Michael R. Hollingdale
- Agile Vaccines and Therapeutics, Naval Medical Research Center, Silver Spring, MD, United States of America
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD, United States of America
- * E-mail: ,
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10
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Li H, Wang Y, Ao L, Ke M, Chen Z, Chen M, Peng M, Ling N, Hu P, Cai D, Zhang D, Ren H. Association between immunosuppressants and poor antibody responses to SARS-CoV-2 vaccines in patients with autoimmune liver diseases. Front Immunol 2022; 13:988004. [PMID: 36275639 PMCID: PMC9579272 DOI: 10.3389/fimmu.2022.988004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 09/20/2022] [Indexed: 11/13/2022] Open
Abstract
The antibody and B cell responses after inactivated SARS-CoV-2 vaccination have not been well documented in patients with autoimmune liver disease (AILD). Therefore, we conducted a prospective observational study that included AILD patients and healthy participants as controls between July 1, 2021, and September 30, 2021, at the Second Affiliated Hospital of Chongqing Medical University. All adverse events (AEs) after the COVID-19 vaccination were recorded and graded. Immunoglobulin (Ig)-G antibodies against the receptor-binding domain (RBD) of the SARS-CoV-2 spike protein (anti-RBD-IgG) and neutralizicadng antibodies (NAbs) were tested following full-course vaccination (BBIBP-CorV or CoronaVac). In addition, SARS-CoV-2-specific B cells were detected by flow cytometry. In total, 76 AILD patients and 136 healthy controls (HCs) were included. All AEs were mild and self-limiting, and the incidences were similar between the AILD and HCs. The seropositivity rates of anti-RBD-IgG and NAbs in AILD were 97.4% (100% in HCs, p = 0.13) and 63.2% (84.6% in HCs, p < 0.001), respectively. The titers of anti-RBD-IgG and NAbs were significantly lower in AILD patients than those in HCs. After adjusting for confounders, immunosuppressive therapy was an independent risk factor for low-level anti-RBD-IgG (adjusted odds ratio [aOR]: 4.7; 95% confidence interval [CI], 1.5-15.2; p = 0.01) and a reduced probability of NAbs seropositivity (aOR, 3.0; 95% CI, 1.0-8.9; p = 0.04) in AILD patients. However, regardless of immunosuppressants, the SARS-CoV-2-specific memory B cells responses were comparable between the AILD and HC groups. Our results suggest that inactivated SARS-CoV-2 vaccines (BBIBP-CorV and CoronaVac) are safe, but their immunogenicity is compromised in patients with AILD. Moreover, immunosuppressants are significantly associated with poor antibody responses to the SARS-CoV-2 vaccines. These results could inform physicians and policymakers about decisions on screening the populations at higher risk of poor antibody responses to SARS-CoV-2 vaccines and providing additional vaccinations in patients with AILD.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Dachuan Cai
- *Correspondence: Hong Ren, ; Dachuan Cai, ; Dazhi Zhang,
| | - Dazhi Zhang
- *Correspondence: Hong Ren, ; Dachuan Cai, ; Dazhi Zhang,
| | - Hong Ren
- *Correspondence: Hong Ren, ; Dachuan Cai, ; Dazhi Zhang,
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11
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Terahara K, Sato T, Adachi Y, Tonouchi K, Onodera T, Moriyama S, Sun L, Takano T, Nishiyama A, Kawana-Tachikawa A, Matano T, Matsumura T, Shinkai M, Isogawa M, Takahashi Y. SARS-CoV-2-specific CD4 + T cell longevity correlates with Th17-like phenotype. iScience 2022; 25:104959. [PMID: 35992306 PMCID: PMC9384329 DOI: 10.1016/j.isci.2022.104959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/01/2022] [Accepted: 08/12/2022] [Indexed: 11/30/2022] Open
Abstract
Determinants of memory T cell longevity following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection remain unknown. In addition, phenotypes associated with memory T cell longevity, antibody titers, and disease severity are incompletely understood. Here, we longitudinally analyzed SARS-CoV-2-specific T cell and antibody responses of a unique cohort with similar numbers of mild, moderate, and severe coronavirus disease 2019 cases. The half-lives of CD4+ and CD8+ T cells were longer than those of antibody titers and showed no clear correlation with disease severity. When CD4+ T cells were divided into Th1-, Th2-, Th17-, and Tfh-like subsets, the Th17-like subset showed a longer half-life than other subsets, indicating that Th17-like cells are most closely correlated with T cell longevity. In contrast, Th2- and Tfh-like T cells were more closely correlated with antibody titers than other subsets. These results suggest that distinct CD4+ T cell subsets are associated with longevity and antibody responses. Th17-like CD4+ T cells showed a longer half-life than other CD4+ T cell subsets Anti-RBD-IgG titers were associated with Th2- and Tfh-like CD4 T cells CD45RA+CD8+ T cells were correlated with disease severity during the early phase
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Affiliation(s)
- Kazutaka Terahara
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | - Takashi Sato
- Tokyo Shinagawa Hospital; Tokyo, 140-8522, Japan
| | - Yu Adachi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | - Keisuke Tonouchi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan.,Department of Life Science and Medical Bioscience, Waseda University, Tokyo, 162-8480, Japan
| | - Taishi Onodera
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | - Saya Moriyama
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | - Lin Sun
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | - Tomohiro Takano
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | - Ayae Nishiyama
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | - Ai Kawana-Tachikawa
- AIDS Research Center, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Tetsuro Matano
- AIDS Research Center, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
| | - Takayuki Matsumura
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | | | - Masanori Isogawa
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | - Yoshimasa Takahashi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
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12
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Measuring T-Cell Responses against SARS-CoV-2 Is of Utility for Disease and Vaccination Management. J Clin Med 2022; 11:jcm11175103. [PMID: 36079033 PMCID: PMC9457376 DOI: 10.3390/jcm11175103] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 11/17/2022] Open
Abstract
The measurement of specific T-cell responses can be a useful tool for COVID-19 diagnostics and clinical management. In this study, we evaluated the IFN-γ T-cell response against the main SARS-CoV-2 antigens (spike, nucleocapsid and membrane) in acute and convalescent individuals classified according to severity, and in vaccinated and unvaccinated controls. IgG against spike and nucleocapsid were also measured. Spike antigen triggered the highest number of T-cell responses. Acute patients showed a low percentage of positive responses when compared to convalescent (71.6% vs. 91.7%, respectively), but increased during hospitalization and with severity. Some convalescent patients showed an IFN-γ T-cell response more than 200 days after diagnosis. Only half of the vaccinated individuals displayed an IFN-γ T-cell response after the second dose. IgG response was found in a higher percentage of individuals compared to IFN-γ T-cell responses, and moderate correlations between both responses were seen. However, in some acute COVID-19 patients specific T-cell response was detected, but not IgG production. We found that the chances of an IFN-γ T-cell response against SARS-CoV-2 is low during acute phase, but may increase over time, and that only half of the vaccinated individuals had an IFN-γ T-cell response after the second dose.
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13
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Moore T, Hossain R, Doores KJ, Shankar-Hari M, Fear DJ. SARS-CoV-2-Specific Memory B Cell Responses Are Maintained After Recovery from Natural Infection and Postvaccination. Viral Immunol 2022; 35:425-436. [PMID: 35857310 DOI: 10.1089/vim.2022.0013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory coronavirus 2 (SARS-CoV-2), has resulted in major worldwide disruption and loss of life over the last 2 years. Many research studies have shown waning serological SARS-CoV-2-specific IgG antibody titers over time, yet, it is unclear whether these changes are reflected in the potential functional reactivation of SARS-CoV-2 antigen-specific memory B cells (MBC) populations. This is especially true in the contexts of differing COVID-19 disease severity and after vaccination regimens. This study aimed to investigate these by polyclonal in vitro reactivation of MBC populations followed by analysis using SAR-CoV-2 antigen-specific B cell ELISpots and IgG antibody ELISAs. Natural disease-associated differences were investigated in 52 donors who have recovered from COVID-19 with varying disease severity, from asymptomatic to severe COVID-19 disease, accompanied by a longitudinal evaluation in a subset of donors. Overall, these data showed limited disease severity-associated differences between donor groups but did show that COVID-19 serologically positive donors had strong antigen-specific MBC-associated responses. MBC responses were better maintained 6 months after recovery from infection when compared to serological antigen-specific IgG antibody titers. A similar investigation after vaccination using 14 donors showed robust serological antigen-specific antibody responses against spike protein that waned over time. MBC-associated responses against spike protein were also observed but showed less waning over time, indicating maintenance of a protective response 6 months after vaccination. Further research is required to evaluate these putatively functional SARS-CoV-2-specific responses in the context of long-term protection mediated by vaccination against this pathogen.
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Affiliation(s)
- Tom Moore
- MRC & Asthma UK Centre in Allergic Mechanisms of Asthma, Peter Gorer Department of Immunobiology, School of Immunology & Microbial Sciences, King's College London, United Kingdom
| | - Rojony Hossain
- MRC & Asthma UK Centre in Allergic Mechanisms of Asthma, Peter Gorer Department of Immunobiology, School of Immunology & Microbial Sciences, King's College London, United Kingdom
| | - Katie J Doores
- Department of Infectious Diseases, School of Immunology & Microbial Sciences, King's College London, United Kingdom
| | - Manu Shankar-Hari
- MRC & Asthma UK Centre in Allergic Mechanisms of Asthma, Peter Gorer Department of Immunobiology, School of Immunology & Microbial Sciences, King's College London, United Kingdom.,The Queen's Medical Research Institute, Centre for Inflammation Research, University of Edinburgh, Edinburgh, United Kingdom.,Royal Infirmary of Edinburgh, NHS Lothian, Edinburgh, United Kingdom
| | - David J Fear
- MRC & Asthma UK Centre in Allergic Mechanisms of Asthma, Peter Gorer Department of Immunobiology, School of Immunology & Microbial Sciences, King's College London, United Kingdom
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14
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Wirsching S, Harder L, Heymanns M, Gröndahl B, Hilbert K, Kowalzik F, Meyer C, Gehring S. Long-Term, CD4 + Memory T Cell Response to SARS-CoV-2. Front Immunol 2022; 13:800070. [PMID: 35514974 PMCID: PMC9065554 DOI: 10.3389/fimmu.2022.800070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 03/28/2022] [Indexed: 01/08/2023] Open
Abstract
The first cases of coronavirus disease-19 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) were reported by Chinese authorities at the end of 2019. The disease spread quickly and was declared a global pandemic shortly thereafter. To respond effectively to infection and prevent viral spread, it is important to delineate the factors that affect protective immunity. Herein, a cohort of convalescent healthcare workers was recruited and their immune responses were studied over a period of 3 to 9 months following the onset of symptoms. A cross-reactive T cell response to SARS-CoV-2 and endemic coronaviruses, i.e., OC43 and NL63, was demonstrated in the infected, convalescent cohort, as well as a cohort composed of unexposed individuals. The convalescent cohort, however, displayed an increased number of SARS-CoV-2-specific CD4+ T cells relative to the unexposed group. Moreover, unlike humoral immunity and quickly decreasing antibody titers, T cell immunity in convalescent individuals was maintained and stable throughout the study period. This study also suggests that, based on the higher CD4 T cell memory response against nucleocapsid antigen, future vaccine designs may include nucleocapsid as an additional antigen along with the spike protein.
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Affiliation(s)
- Sebastian Wirsching
- Children's Hospital, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Laura Harder
- Children's Hospital, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Markus Heymanns
- Children's Hospital, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Britta Gröndahl
- Children's Hospital, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Katja Hilbert
- Children's Hospital, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Frank Kowalzik
- Children's Hospital, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Claudius Meyer
- Children's Hospital, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Stephan Gehring
- Children's Hospital, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
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15
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Prolonged Protective Immunity Induced by Mild SARS-CoV-2 Infection of K18-hACE2 Mice. Vaccines (Basel) 2022; 10:vaccines10040613. [PMID: 35455362 PMCID: PMC9032525 DOI: 10.3390/vaccines10040613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 11/16/2022] Open
Abstract
Longevity of the immune response following viral exposure is an essential aspect of SARS-CoV-2 infection. Mild SARS-CoV-2 infection of K18-hACE2 mice was implemented for evaluating the mounting and longevity of a specific memory immune response. We show that the infection of K18-hACE2 mice induced robust humoral and cellular immunity (systemic and local), which persisted for at least six months. Virus-specific T cells and neutralizing antibody titers decreased over time, yet their levels were sufficient to provide sterile immunity against lethal rechallenge six months post-primary infection. The study substantiates the role of naturally induced immunity against SARS-CoV-2 infection for preventing recurring morbidity.
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16
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Sedegah M, Porter C, Hollingdale MR, Ganeshan H, Huang J, Goforth CW, Belmonte M, Belmonte A, Weir DL, Lizewski RA, Lizewski SE, Sealfon SC, Jani V, Cheng Y, Inoue S, Velasco R, Villasante E, Sun P, Letizia AG. CHARM: COVID-19 Health Action Response for Marines-Association of antigen-specific interferon-gamma and IL2 responses with asymptomatic and symptomatic infections after a positive qPCR SARS-CoV-2 test. PLoS One 2022; 17:e0266691. [PMID: 35390102 PMCID: PMC8989306 DOI: 10.1371/journal.pone.0266691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 03/24/2022] [Indexed: 11/30/2022] Open
Abstract
SARS-CoV-2 T cell responses are associated with COVID-19 recovery, and Class I- and Class II-restricted epitopes have been identified in the spike (S), nucleocapsid (N) and membrane (M) proteins and others. This prospective COVID-19 Health Action Response for Marines (CHARM) study enabled assessment of T cell responses against S, N and M proteins in symptomatic and asymptomatic SARS-CoV-2 infected participants. At enrollment all participants were negative by qPCR; follow-up occurred biweekly and bimonthly for the next 6 weeks. Study participants who tested positive by qPCR SARS-CoV-2 test were enrolled in an immune response sub-study. FluoroSpot interferon-gamma (IFN-γ) and IL2 responses following qPCR-confirmed infection at enrollment (day 0), day 7 and 14 and more than 28 days later were measured using pools of 17mer peptides covering S, N, and M proteins, or CD4+CD8 peptide pools containing predicted epitopes from multiple SARS-CoV-2 antigens. Among 124 asymptomatic and 105 symptomatic participants, SARS-CoV-2 infection generated IFN-γ responses to the S, N and M proteins that persisted longer in asymptomatic cases. IFN-γ responses were significantly (p = 0.001) more frequent to the N pool (51.4%) than the M pool (18.9%) among asymptomatic but not symptomatic subjects. Asymptomatic IFN-γ responders to the CD4+CD8 pool responded more frequently to the S pool (55.6%) and N pool (57.1%), than the M pool (7.1%), but not symptomatic participants. The frequencies of IFN-γ responses to the S and N+M pools peaked 7 days after the positive qPCR test among asymptomatic (S pool: 22.2%; N+M pool: 28.7%) and symptomatic (S pool: 15.3%; N+M pool 21.9%) participants and dropped by >28 days. Magnitudes of post-infection IFN-γ and IL2 responses to the N+M pool were significantly correlated with IFN-γ and IL2 responses to the N and M pools. These data further support the central role of Th1-biased cell mediated immunity IFN-γ and IL2 responses, particularly to the N protein, in controlling COVID-19 symptoms, and justify T cell-based COVID-19 vaccines that include the N and S proteins.
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Affiliation(s)
- Martha Sedegah
- Agile Vaccines and Therapeutics Department, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Chad Porter
- Virology Department, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Michael R. Hollingdale
- Agile Vaccines and Therapeutics Department, Naval Medical Research Center, Silver Spring, MD, United States of America
- Henry M. Jackson Foundation, Bethesda, MD, United States of America
| | - Harini Ganeshan
- Agile Vaccines and Therapeutics Department, Naval Medical Research Center, Silver Spring, MD, United States of America
- Henry M. Jackson Foundation, Bethesda, MD, United States of America
| | - Jun Huang
- Agile Vaccines and Therapeutics Department, Naval Medical Research Center, Silver Spring, MD, United States of America
- Henry M. Jackson Foundation, Bethesda, MD, United States of America
| | - Carl W. Goforth
- Virology Department, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Maria Belmonte
- Agile Vaccines and Therapeutics Department, Naval Medical Research Center, Silver Spring, MD, United States of America
- Henry M. Jackson Foundation, Bethesda, MD, United States of America
| | - Arnel Belmonte
- Agile Vaccines and Therapeutics Department, Naval Medical Research Center, Silver Spring, MD, United States of America
- GDIT, MD, United States of America
| | - Dawn L. Weir
- Virology Department, Naval Medical Research Center, Silver Spring, MD, United States of America
| | | | | | - Stuart C. Sealfon
- Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - Vihasi Jani
- Virology Department, Naval Medical Research Center, Silver Spring, MD, United States of America
- Henry M. Jackson Foundation, Bethesda, MD, United States of America
| | - Ying Cheng
- Virology Department, Naval Medical Research Center, Silver Spring, MD, United States of America
- Leidos, Reston, VA, United States of America
| | - Sandra Inoue
- Agile Vaccines and Therapeutics Department, Naval Medical Research Center, Silver Spring, MD, United States of America
- GDIT, MD, United States of America
| | - Rachael Velasco
- Agile Vaccines and Therapeutics Department, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Eileen Villasante
- Agile Vaccines and Therapeutics Department, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Peifang Sun
- Virology Department, Naval Medical Research Center, Silver Spring, MD, United States of America
| | - Andrew G. Letizia
- Virology Department, Naval Medical Research Center, Silver Spring, MD, United States of America
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17
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Vo HTM, Maestri A, Auerswald H, Sorn S, Lay S, Seng H, Sann S, Ya N, Pean P, Dussart P, Schwartz O, Ly S, Bruel T, Ly S, Duong V, Karlsson EA, Cantaert T. Robust and Functional Immune Memory Up to 9 Months After SARS-CoV-2 Infection: A Southeast Asian Longitudinal Cohort. Front Immunol 2022; 13:817905. [PMID: 35185909 PMCID: PMC8853741 DOI: 10.3389/fimmu.2022.817905] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 01/10/2022] [Indexed: 01/14/2023] Open
Abstract
The duration of humoral and cellular immune memory following SARS-CoV-2 infection in populations in least developed countries remains understudied but is key to overcome the current SARS-CoV-2 pandemic. Sixty-four Cambodian individuals with laboratory-confirmed infection with asymptomatic or mild/moderate clinical presentation were evaluated for Spike (S)-binding and neutralizing antibodies and antibody effector functions during acute phase of infection and at 6-9 months follow-up. Antigen-specific B cells, CD4+ and CD8+ T cells were characterized, and T cells were interrogated for functionality at late convalescence. Anti-S antibody titers decreased over time, but effector functions mediated by S-specific antibodies remained stable. S- and nucleocapsid (N)-specific B cells could be detected in late convalescence in the activated memory B cell compartment and are mostly IgG+. CD4+ and CD8+ T cell immune memory was maintained to S and membrane (M) protein. Asymptomatic infection resulted in decreased antibody-dependent cellular cytotoxicity (ADCC) and frequency of SARS-CoV-2-specific CD4+ T cells at late convalescence. Whereas anti-S antibodies correlated with S-specific B cells, there was no correlation between T cell response and humoral immune memory. Hence, all aspects of a protective immune response are maintained up to nine months after SARS-CoV-2 infection and in the absence of re-infection.
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Affiliation(s)
- Hoa Thi My Vo
- Immunology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Alvino Maestri
- Immunology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Heidi Auerswald
- Virology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Sopheak Sorn
- Epidemiology and Public Health Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Sokchea Lay
- Immunology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Heng Seng
- Department of Communicable Disease Control, Ministry of Health (CDC-MoH), Phnom Penh, Cambodia
| | - Sotheary Sann
- Immunology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Nisa Ya
- Immunology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Polidy Pean
- Immunology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Philippe Dussart
- Virology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Olivier Schwartz
- Institut Pasteur, Université de Paris, CNRS UMR3569, Virus and Immunity Unit, Paris, France.,Vaccine Research Institute, Créteil, France
| | - Sovann Ly
- Department of Communicable Disease Control, Ministry of Health (CDC-MoH), Phnom Penh, Cambodia
| | - Timothée Bruel
- Institut Pasteur, Université de Paris, CNRS UMR3569, Virus and Immunity Unit, Paris, France.,Vaccine Research Institute, Créteil, France
| | - Sowath Ly
- Epidemiology and Public Health Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Veasna Duong
- Virology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Erik A Karlsson
- Virology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
| | - Tineke Cantaert
- Immunology Unit, Institut Pasteur du Cambodge, Pasteur Network, Phnom Penh, Cambodia
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18
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Characterization of SARS-CoV-2-specific humoral immunity and its potential applications and therapeutic prospects. Cell Mol Immunol 2022; 19:150-157. [PMID: 34645940 PMCID: PMC8513558 DOI: 10.1038/s41423-021-00774-w] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 08/12/2021] [Indexed: 12/23/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is an ongoing pandemic that poses a great threat to human health worldwide. As the humoral immune response plays essential roles in disease occurrence and development, understanding the dynamics and characteristics of virus-specific humoral immunity in SARS-CoV-2-infected patients is of great importance for controlling this disease. In this review, we summarize the characteristics of the humoral immune response after SARS-CoV-2 infection and further emphasize the potential applications and therapeutic prospects of SARS-CoV-2-specific humoral immunity and the critical role of this immunity in vaccine development. Notably, serological antibody testing based on the humoral immune response can guide public health measures and control strategies; however, it is not recommended for population surveys in areas with very low prevalence. Existing evidence suggests that asymptomatic individuals have a weaker immune response to SARS-CoV-2 infection, whereas SARS-CoV-2-infected children have a more effective humoral immune response than adults. The correlations between antibody (especially neutralizing antibody) titers and protection against SARS-CoV-2 reinfection should be further examined. In addition, the emergence of cross-reactions among different coronavirus antigens in the development of screening technology and the risk of antibody-dependent enhancement related to SARS-CoV-2 vaccination should be given further attention.
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19
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Liu Y, Zeng Q, Deng C, Li M, Li L, Liu D, Liu M, Ruan X, Mei J, Mo R, Zhou Q, Liu M, Peng S, Wang J, Zhang H, Xiao H. Robust induction of B cell and T cell responses by a third dose of inactivated SARS-CoV-2 vaccine. Cell Discov 2022; 8:10. [PMID: 35102140 PMCID: PMC8803973 DOI: 10.1038/s41421-022-00373-7] [Citation(s) in RCA: 80] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 12/27/2021] [Indexed: 12/13/2022] Open
Abstract
SARS-CoV-2 inactivated vaccines have shown remarkable efficacy in clinical trials, especially in reducing severe illness and casualty. However, the waning of humoral immunity over time has raised concern over the durability of immune memory following vaccination. Thus, we conducted a nonrandomized trial among the healthcare workers (HCWs) to investigate the long-term sustainability of SARS-CoV-2-specific B cells and T cells stimulated by inactivated vaccines and the potential need for a third booster dose. Although neutralizing antibodies elicited by the standard two-dose vaccination schedule dropped from a peak of 29.3 arbitrary units (AU)/mL to 8.8 AU/mL 5 months after the second vaccination, spike-specific memory B and T cells were still detectable, forming the basis for a quick recall response. As expected, the faded humoral immune response was vigorously elevated to 63.6 AU/mL by 7.2 folds 1 week after the third dose along with abundant spike-specific circulating follicular helper T cells in parallel. Meanwhile, spike-specific CD4+ and CD8+ T cells were also robustly elevated by 5.9 and 2.7 folds respectively. Robust expansion of memory pools by the third dose potentiated greater durability of protective immune responses. Another key finding in this trial was that HCWs with low serological response to two doses were not truly "non-responders" but fully equipped with immune memory that could be quickly recalled by a third dose even 5 months after the second vaccination. Collectively, these data provide insights into the generation of long-term immunological memory by the inactivated vaccine, which could be rapidly recalled and further boosted by a third dose.
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Affiliation(s)
- Yihao Liu
- Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
- Clinical Trials Unit, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
- Institute of Precision Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Qin Zeng
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Caiguanxi Deng
- Institute of Precision Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Mengyuan Li
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Liubing Li
- Department of Laboratory Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Dayue Liu
- Department of Medical Affairs, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Ming Liu
- Institute of Precision Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xinyuan Ruan
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jie Mei
- Clinical Trials Unit, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Ruohui Mo
- Clinical Trials Unit, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Qian Zhou
- Clinical Trials Unit, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Min Liu
- Department of Laboratory Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Sui Peng
- Clinical Trials Unit, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
- Institute of Precision Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Ji Wang
- Institute of Precision Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Hui Zhang
- Institute of Precision Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Haipeng Xiao
- Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.
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20
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Conway SR, Lazarski CA, Field NE, Jensen-Wachspress M, Lang H, Kankate V, Durkee-Shock J, Kinoshita H, Suslovic W, Webber K, Smith K, Cohen JI, Burbelo PD, Zhang A, Teach SJ, Ibeh T, Delaney M, DeBiasi RL, Keller MD, Bollard CM. SARS-CoV-2-Specific T Cell Responses Are Stronger in Children With Multisystem Inflammatory Syndrome Compared to Children With Uncomplicated SARS-CoV-2 Infection. Front Immunol 2022; 12:793197. [PMID: 35116027 PMCID: PMC8803660 DOI: 10.3389/fimmu.2021.793197] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 12/22/2021] [Indexed: 12/21/2022] Open
Abstract
Background Despite similar rates of infection, adults and children have markedly different morbidity and mortality related to severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). Compared to adults, children have infrequent severe manifestations of acute infection but are uniquely at risk for the rare and often severe Multisystem Inflammatory Syndrome in Children (MIS-C) following infection. We hypothesized that these differences in presentation are related to differences in the magnitude and/or antigen specificity of SARS-CoV-2-specific T cell (CST) responses between adults and children. We therefore set out to measure the CST response in convalescent adults versus children with and without MIS-C following SARS-CoV-2 infection. Methods CSTs were expanded from blood collected from convalescent children and adults post SARS-CoV-2 infection and evaluated by intracellular flow cytometry, surface markers, and cytokine production following stimulation with SARS-CoV-2-specific peptides. Presence of serum/plasma antibody to spike and nucleocapsid was measured using the luciferase immunoprecipitation systems (LIPS) assay. Findings Twenty-six of 27 MIS-C patients, 7 of 8 non-MIS-C convalescent children, and 13 of 14 adults were seropositive for spike and nucleocapsid antibody. CST responses in MIS-C patients were significantly higher than children with uncomplicated SARS-CoV-2 infection, but weaker than CST responses in convalescent adults. Interpretation Age-related differences in the magnitude of CST responses suggest differing post-infectious immunity to SARS-CoV-2 in children compared to adults post uncomplicated infection. Children with MIS-C have CST responses that are stronger than children with uncomplicated SARS-CoV-2 infection and weaker than convalescent adults, despite near uniform seropositivity.
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Affiliation(s)
- Susan R. Conway
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, United States
- Division of Critical Care Medicine, Children’s National Hospital, Washington, DC, United States
- Department of Pediatrics, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Christopher A. Lazarski
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, United States
| | - Naomi E. Field
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, United States
| | - Mariah Jensen-Wachspress
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, United States
| | - Haili Lang
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, United States
| | - Vaishnavi Kankate
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, United States
| | - Jessica Durkee-Shock
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, United States
- Laboratory of Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Hannah Kinoshita
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, United States
- Division of Hematology and Oncology, Children’s National Hospital, Washington, DC, United States
| | - William Suslovic
- Division of Pathology and Laboratory Medicine, Children’s National Hospital, Washington, DC, United States
| | - Kathleen Webber
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, United States
| | - Karen Smith
- Department of Pediatrics, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
- Department of Pediatrics, Children’s National Hospital, Washington, DC, United States
| | - Jeffrey I. Cohen
- Laboratory of Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Peter D. Burbelo
- National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, United States
| | - Anqing Zhang
- Division of Biostatistics and Study Methodology, Children’s National Hospital, Washington, DC, United States
| | - Stephen J. Teach
- Department of Pediatrics, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
- Center for Translational Research, Children’s National Hospital, Washington, DC, United States
| | - Trisha Ibeh
- Center for Translational Research, Children’s National Hospital, Washington, DC, United States
| | - Meghan Delaney
- Department of Pediatrics, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
- Division of Pathology and Laboratory Medicine, Children’s National Hospital, Washington, DC, United States
| | - Roberta L. DeBiasi
- Department of Pediatrics, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
- Department of Microbiology, Immunology, and Tropical Medicine, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
- Division of Infectious Diseases, Children’s National Hospital, Washington, DC, United States
| | - Michael D. Keller
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, United States
- Division of Allergy and Immunology, Children’s National Hospital, Washington, DC, United States
- GW Cancer Center, George Washington University, Washington, DC, United States
| | - Catherine M. Bollard
- Center for Cancer and Immunology Research, Children’s National Hospital, Washington, DC, United States
- GW Cancer Center, George Washington University, Washington, DC, United States
- *Correspondence: Catherine M. Bollard,
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21
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SARS-COV-2 Memory B and T Cells Profile in Mild COVID-19 Convalescents subjects. Int J Infect Dis 2021; 115:208-214. [PMID: 34896265 PMCID: PMC8653411 DOI: 10.1016/j.ijid.2021.12.309] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/30/2021] [Accepted: 12/01/2021] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES . Antiviral adaptive immunity involves memory B-(MBC) and T-cells (MTC), however their dynamics in SARS-CoV-2 convalescents warrant further investigation. METHODS . In the cross-sectional and longitudinal study, we evaluated blood-derived MBC- and MTC-responses in 68 anti-spike IgG-positive mild-COVID-19 convalescents at visit 1 between 1-7 months (median 4.1 months) after disease onset. SARS-CoV-2 anti-spike IgG was performed by ELISA, MBC by SARS-COV-2 specific receptor binding domain (RBD) Elispot and Interferon gamma (IFNg), interleukin 2 (IL2) and IFNg+IL2 secreting MTC by IFNg and IL2 SARS-CoV-2 FluoroSpot. For 24 patients sampled at first visit, the IgG, MBC and MTC analysis were also performed 3 months later at second visit. RESULTS . Seventy two percent were both MBC- and MTC-positive, 18 % - MBC-positive and MTC-negative, and 10% - MTC-positive and MBC-negative. The peak of MBC-response level was detected at 3 months after COVID-19 onset and persisted up to 7 months post infection. A significant MTC-levels were detected one month after onset in response to S1, S2_N and SNMO peptide pools. The frequency and magnitude of MTC response to SNMO was higher than to S1 and S2_N. Longitudinal analysis demonstrated that even when specific humoral immunity declined, the cellular immunity persisted. CONCLUSION . Our findings demonstrate durability of adaptive cellular immunity at least for 7-months after SARS-CoV-2 infection that suggest long-lasting protection.
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22
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Björkander S, Du L, Zuo F, Ekström S, Wang Y, Wan H, Sherina N, Schoutens L, Andréll J, Andersson N, Georgelis A, Bergström A, Marcotte H, Kull I, Hammarström L, Melén E, Pan-Hammarström Q. SARS-CoV-2-specific B- and T-cell immunity in a population-based study of young Swedish adults. J Allergy Clin Immunol 2021; 149:65-75.e8. [PMID: 34695490 PMCID: PMC8536496 DOI: 10.1016/j.jaci.2021.10.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 09/24/2021] [Accepted: 10/18/2021] [Indexed: 12/01/2022]
Abstract
Background Young adults are now considered major spreaders of coronavirus disease 2019 (COVID-19) disease. Although most young individuals experience mild to moderate disease, there are concerns of long-term adverse health effects. The impact of COVID-19 disease and to which extent population-level immunity against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) exists in young adults remain unclear. Objective We conducted a population-based study on humoral and cellular immunity to SARS-CoV-2 and explored COVID-19 disease characteristics in young adults. Methods We invited participants from the Swedish BAMSE (Barn [Children], Allergy Milieu, Stockholm, Epidemiology) birth cohort (age 24-27 years) to take part in a COVID-19 follow-up. From 980 participants (October 2020 to June 2021), we here present data on SARS-CoV-2 receptor-binding domain–specific IgM, IgA, and IgG titers measured by ELISA and on symptoms and epidemiologic factors associated with seropositivity. Further, SARS-CoV-2–specific memory B- and T-cell responses were detected for a subpopulation (n = 108) by ELISpot and FluoroSpot. Results A total of 28.4% of subjects were seropositive, of whom 18.4% were IgM single positive. One in 7 seropositive subjects was asymptomatic. Seropositivity was associated with use of public transport, but not with sex, asthma, rhinitis, IgE sensitization, smoking, or body mass index. In a subset of representative samples, 20.7% and 35.0% had detectable SARS-CoV-2 specific B- and T-cell responses, respectively. B- and T-cell memory responses were clearly associated with seropositivity, but T-cell responses were also detected in 17.2% of seronegative subjects. Conclusions Assessment of IgM and T-cell responses may improve population-based estimations of SARS-CoV-2 infection. The pronounced surge of both symptomatic and asymptomatic infections among young adults indicates that the large-scale vaccination campaign should be continued.
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Affiliation(s)
- Sophia Björkander
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Likun Du
- Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden
| | - Fanglei Zuo
- Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden
| | - Sandra Ekström
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden; Center of Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | - Yating Wang
- Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden
| | - Hui Wan
- Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden
| | - Natalia Sherina
- Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden
| | - Lisanne Schoutens
- Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden
| | - Juni Andréll
- Science for Life Laboratory, Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Niklas Andersson
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Antonios Georgelis
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden; Center of Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | - Anna Bergström
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden; Center of Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
| | - Harold Marcotte
- Division of Clinical Immunology and Transfusion Medicine, Department of Laboratory Medicine, Karolinska Institutet at Karolinska University Hospital, Stockholm, Sweden
| | - Inger Kull
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden; Sachs' Children and Youth Hospital, Södersjukhuset, Stockholm, Sweden
| | - Lennart Hammarström
- Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden
| | - Erik Melén
- Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden; Sachs' Children and Youth Hospital, Södersjukhuset, Stockholm, Sweden.
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23
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Su Z, Hu W, Liu Q, Zhang Y, Chen T, Zhou Y, Zhang Z, Chen Y, Yang R, Xiong Y, Wang X. Clinical and immunological characteristics in COVID-19 convalescent patients. Eur J Clin Microbiol Infect Dis 2021; 40:2669-2676. [PMID: 34625887 PMCID: PMC8500824 DOI: 10.1007/s10096-021-04360-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 10/01/2021] [Indexed: 11/05/2022]
Abstract
The humoral and cellular immunity of convalescent COVID-19 patients is involved in pathogenesis and vaccine immunity. In this study, through CoV-psV neutralization assay and IFN-γ ELISpot testing in 30 cases of COVID-19 patients after 9 months post-SARS-CoV-2 infection, it found that the ratio of memory/naive CD4+ T lymphocytes cells and levels of anti-SARS-CoV-2-IgM and RBD-IgM were slightly but significantly higher in COVID-19 severe convalescent patients than that in non-severe patients. The specific cellular and humoral immunity against SARS-CoV-2 were detectable, regardless of the severity of the disease in the acute phase. This information may help understanding the immune status after SARS-CoV-2 infection.
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Affiliation(s)
- Zhiying Su
- Department of Infectious Diseases, Zhongnan Hospital of Wuhan University, Wuhan, People's Republic of China
| | - Wenjia Hu
- Department of Infectious Diseases, Zhongnan Hospital of Wuhan University, Wuhan, People's Republic of China
| | - Qianyun Liu
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan, People's Republic of China
| | - Yongxi Zhang
- Department of Infectious Diseases, Zhongnan Hospital of Wuhan University, Wuhan, People's Republic of China
| | - Tielong Chen
- Department of Infectious Diseases, Zhongnan Hospital of Wuhan University, Wuhan, People's Republic of China
| | - Yingying Zhou
- Department of Infectious Diseases, Zhongnan Hospital of Wuhan University, Wuhan, People's Republic of China
| | - Zhen Zhang
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan, People's Republic of China
| | - Yu Chen
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan, People's Republic of China
| | - Rongrong Yang
- Department of Infectious Diseases, Zhongnan Hospital of Wuhan University, Wuhan, People's Republic of China
| | - Yong Xiong
- Department of Infectious Diseases, Zhongnan Hospital of Wuhan University, Wuhan, People's Republic of China.
| | - Xinghuan Wang
- Center for Evidence-Based and Translational Medicine, Zhongnan Hospital of Wuhan University, Wuhan, People's Republic of China
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24
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Ligotti ME, Pojero F, Accardi G, Aiello A, Caruso C, Duro G, Candore G. Immunopathology and Immunosenescence, the Immunological Key Words of Severe COVID-19. Is There a Role for Stem Cell Transplantation? Front Cell Dev Biol 2021; 9:725606. [PMID: 34595175 PMCID: PMC8477205 DOI: 10.3389/fcell.2021.725606] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 08/06/2021] [Indexed: 01/08/2023] Open
Abstract
The outcomes of Coronavirus disease-2019 (COVID-19) vary depending on the age, health status and sex of an individual, ranging from asymptomatic to lethal. From an immunologic viewpoint, the final severe lung damage observed in COVID-19 should be caused by cytokine storm, driven mainly by interleukin-6 and other pro-inflammatory cytokines. However, which immunopathogenic status precedes this "cytokine storm" and why the male older population is more severely affected, are currently unanswered questions. The aging of the immune system, i.e., immunosenescence, closely associated with a low-grade inflammatory status called "inflammageing," should play a key role. The remodeling of both innate and adaptive immune response observed with aging can partly explain the age gradient in severity and mortality of COVID-19. This review discusses how aging impacts the immune response to the virus, focusing on possible strategies to rejuvenate the immune system with stem cell-based therapies. Indeed, due to immunomodulatory and anti-inflammatory properties, multipotent mesenchymal stem cells (MSCs) are a worth-considering option against COVID-19 adverse outcomes.
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Affiliation(s)
- Mattia Emanuela Ligotti
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
- Institute for Biomedical Research and Innovation, National Research Council of Italy, Palermo, Italy
| | - Fanny Pojero
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Giulia Accardi
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Anna Aiello
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Calogero Caruso
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
- International Society on Aging and Disease, Fort Worth, TX, United States
| | - Giovanni Duro
- Institute for Biomedical Research and Innovation, National Research Council of Italy, Palermo, Italy
| | - Giuseppina Candore
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
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Kealy L, Good-Jacobson KL. Advances in understanding the formation and fate of B-cell memory in response to immunization or infection. OXFORD OPEN IMMUNOLOGY 2021; 2:iqab018. [PMID: 36845573 PMCID: PMC8499879 DOI: 10.1093/oxfimm/iqab018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/06/2021] [Accepted: 09/01/2021] [Indexed: 02/07/2023] Open
Abstract
Immunological memory has the potential to provide lifelong protection against recurrent infections. As such, it has been crucial to the success of vaccines. Yet, the recent pandemic has illuminated key gaps in our knowledge related to the factors influencing effective memory formation and the inability to predict the longevity of immune protection. In recent decades, researchers have acquired a number of novel and powerful tools with which to study the factors underpinning humoral memory. These tools have been used to study the B-cell fate decisions that occur within the germinal centre (GC), a site where responding B cells undergo affinity maturation and are one of the major routes for memory B cell and high-affinity long-lived plasma cell formation. The advent of single-cell sequencing technology has provided an enhanced resolution for studying fate decisions within the GC and cutting-edge techniques have enabled researchers to model this reaction with more accuracy both in vitro and in silico. Moreover, modern approaches to studying memory B cells have allowed us to gain a better appreciation for the heterogeneity and adaptability of this vital class of B cells. Together, these studies have facilitated important breakthroughs in our understanding of how these systems operate to ensure a successful immune response. In this review, we describe recent advances in the field of GC and memory B-cell biology in order to provide insight into how humoral memory is formed, as well as the potential for generating lasting immunity to novel pathogens such as severe acute respiratory syndrome coronavirus 2.
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Affiliation(s)
- Liam Kealy
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia,Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Kim L Good-Jacobson
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia,Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia,Correspondence address. Department of Biochemistry and Molecular Biology, Monash University, Ground floor reception, 23 Innovation Walk (Bldg 77), Clayton, Victoria 3800 Australia. Tel: (+613) 990-29510; E-mail: ; Twitter: @KimLJacobson
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Mysore V, Cullere X, Settles ML, Ji X, Kattan MW, Desjardins M, Durbin-Johnson B, Gilboa T, Baden LR, Walt DR, Lichtman AH, Jehi L, Mayadas TN. Protective heterologous T cell immunity in COVID-19 induced by the trivalent MMR and Tdap vaccine antigens. MED 2021; 2:1050-1071.e7. [PMID: 34414383 PMCID: PMC8363466 DOI: 10.1016/j.medj.2021.08.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/25/2021] [Accepted: 08/06/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND T cells control viral infection, promote vaccine durability, and in coronavirus disease 2019 (COVID-19) associate with mild disease. We investigated whether prior measles-mumps-rubella (MMR) or tetanus-diphtheria-pertussis (Tdap) vaccination elicits cross-reactive T cells that mitigate COVID-19. METHODS Antigen-presenting cells (APC) loaded ex vivo with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), MMR, or Tdap antigens and autologous T cells from COVID-19-convalescent participants, uninfected individuals, and COVID-19 mRNA-vaccinated donors were co-cultured. T cell activation and phenotype were detected by interferon-γ (IFN-γ) enzyme-linked immunospot (ELISpot) assays and flow cytometry. ELISAs (enzyme-linked immunosorbant assays) and validation studies identified the APC-derived cytokine(s) driving T cell activation. TCR clonotyping and single-cell RNA sequencing (scRNA-seq) identified cross-reactive T cells and their transcriptional profile. A propensity-weighted analysis of COVID-19 patients estimated the effects of MMR and Tdap vaccination on COVID-19 outcomes. FINDINGS High correlation was observed between T cell responses to SARS-CoV-2 (spike-S1 and nucleocapsid) and MMR and Tdap proteins in COVID-19-convalescent and -vaccinated individuals. The overlapping T cell population contained an effector memory T cell subset (effector memory re-expressing CD45RA on T cells [TEMRA]) implicated in protective, anti-viral immunity, and their detection required APC-derived IL-15, known to sensitize T cells to activation. Cross-reactive TCR repertoires detected in antigen-experienced T cells recognizing SARS-CoV-2, MMR, and Tdap epitopes had TEMRA features. Indices of disease severity were reduced in MMR- or Tdap-vaccinated individuals by 32%-38% and 20%-23%, respectively, among COVID-19 patients. CONCLUSIONS Tdap and MMR memory T cells reactivated by SARS-CoV-2 may provide protection against severe COVID-19. FUNDING This study was supported by a National Institutes of Health (R01HL065095, R01AI152522, R01NS097719) donation from Barbara and Amos Hostetter and the Chleck Foundation.
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Affiliation(s)
- Vijayashree Mysore
- Department of Pathology, Brigham and Women's Hospital & Harvard Medical School, Boston, MA 02115, USA
| | - Xavier Cullere
- Department of Pathology, Brigham and Women's Hospital & Harvard Medical School, Boston, MA 02115, USA
| | - Matthew L Settles
- Bioinformatics Core Facility in the Genome Center, University of California, Davis, Davis, CA 95616, USA
| | - Xinge Ji
- Quantitative Health Science Department, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Michael W Kattan
- Quantitative Health Science Department, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Michaël Desjardins
- Department of Medicine, Brigham and Women's Hospital & Harvard Medical School, Boston, MA 02115, USA
| | | | - Tal Gilboa
- Department of Pathology, Brigham and Women's Hospital & Harvard Medical School, Boston, MA 02115, USA
| | - Lindsey R Baden
- Department of Medicine, Brigham and Women's Hospital & Harvard Medical School, Boston, MA 02115, USA
| | - David R Walt
- Department of Pathology, Brigham and Women's Hospital & Harvard Medical School, Boston, MA 02115, USA
| | - Andrew H Lichtman
- Department of Pathology, Brigham and Women's Hospital & Harvard Medical School, Boston, MA 02115, USA
| | - Lara Jehi
- Neurological Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Tanya N Mayadas
- Department of Pathology, Brigham and Women's Hospital & Harvard Medical School, Boston, MA 02115, USA
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Pang NYL, Pang ASR, Chow VT, Wang DY. Understanding neutralising antibodies against SARS-CoV-2 and their implications in clinical practice. Mil Med Res 2021; 8:47. [PMID: 34465396 PMCID: PMC8405719 DOI: 10.1186/s40779-021-00342-3] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 08/25/2021] [Indexed: 12/23/2022] Open
Abstract
SARS-CoV-2 is a newly identified member of the coronavirus family that has caused the Coronavirus disease 2019 (COVID-19) pandemic. This rapidly evolving and unrelenting SARS-CoV-2 has disrupted the lives and livelihoods of millions worldwide. As of 23 August 2021, a total of 211,373,303 COVID-19 cases have been confirmed globally with a death toll of 4,424,341. A strong understanding of the infection pathway of SARS-CoV-2, and how our immune system responds to the virus is highly pertinent for guiding the development and improvement of effective treatments. In this review, we discuss the current understanding of neutralising antibodies (NAbs) and their implications in clinical practice. The aspects include the pathophysiology of the immune response, particularly humoral adaptive immunity and the roles of NAbs from B cells in infection clearance. We summarise the onset and persistence of IgA, IgM and IgG antibodies, and we explore their roles in neutralising SARS-CoV-2, their persistence in convalescent individuals, and in reinfection. Furthermore, we also review the applications of neutralising antibodies in the clinical setting-from predictors of disease severity to serological testing to vaccinations, and finally in therapeutics such as convalescent plasma infusion.
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Affiliation(s)
- Natalie Yan-Lin Pang
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119228, Singapore
| | | | - Vincent T Chow
- Department of Microbiology and Immunology, National University of Singapore, Science Drive 2, Singapore, 117545, Singapore. .,Infectious Diseases Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119228, Singapore.
| | - De-Yun Wang
- Infectious Diseases Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 119228, Singapore. .,Department of Otolaryngology, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, Singapore, 119228, Singapore.
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Mysore V, Cullere X, Settles ML, Ji X, Kattan MW, Desjardins M, Durbin-Johnson B, Gilboa T, Baden LR, Walt DR, Lichtman A, Jehi L, Mayadas TN. Protective heterologous T cell immunity in COVID-19 induced by MMR and Tdap vaccine antigens. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2021:2021.05.03.441323. [PMID: 33972940 PMCID: PMC8109200 DOI: 10.1101/2021.05.03.441323] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
T cells are critical for control of viral infection and effective vaccination. We investigated whether prior Measles-Mumps-Rubella (MMR) or Tetanus-Diphtheria-pertussis (Tdap) vaccination elicit cross-reactive T cells that mitigate COVID-19. Using co-cultures of antigen presenting cells (APC) loaded with antigens and autologous T cells, we found a high correlation between responses to SARS-CoV-2 (Spike-S1 and Nucleocapsid) and MMR and Tdap vaccine proteins in both SARS-CoV-2 infected individuals and individuals immunized with mRNA-based SARS-CoV-2 vaccines. The overlapping T cell population contained effector memory T cells (TEMRA) previously implicated in anti-viral immunity and their activation required APC-derived IL-15. TCR- and scRNA-sequencing detected cross-reactive clones with TEMRA features among the cells recognizing SARS-CoV-2, MMR and Tdap epitopes. A propensity-weighted analysis of 73,582 COVID-19 patients revealed that severe disease outcomes (hospitalization and transfer to intensive care unit or death) were reduced in MMR or Tdap vaccinated individuals by 38-32% and 23-20% respectively. In summary, SARS-CoV-2 re-activates memory T cells generated by Tdap and MMR vaccines, which may reduce disease severity.
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