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Trombetta CM, Accardi G, Aiello A, Calabrò A, Caruso C, Ligotti ME, Marchi S, Montomoli E, Neto MM, Temperton N, Candore G. Centenarians, semi and supercentenarians, COVID-19 and Spanish flu: a serological assessment to gain insight into the resilience of older centenarians to COVID-19. Immun Ageing 2024; 21:44. [PMID: 38937774 DOI: 10.1186/s12979-024-00450-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Accepted: 06/21/2024] [Indexed: 06/29/2024]
Abstract
BACKGROUND Although it is well known that the older people have been the most susceptible to COVID-19, there are conflicting data on the susceptibility of centenarians. Two epidemiological study have shown that older centenarians (> 101 years old at the time of the 2020 pandemic peak) are more resilient than the remaining centenarians, suggesting that this resilience might be linked to the 1918 Spanish Flu pandemic. To gain insight into this matter, specifically whether the resilience of older centenarians to SARS-CoV-2 infection is linked to the Spanish Flu they had been affected by, we conducted a retrospective serological study. This study examined serum samples from 33 centenarians, encompassing semi- (aged > 104 < 110 years, N = 7) and supercentenarians (aged > 109 years, N = 4), born between 1905 and 1922, against both SARS-CoV-2 and 1918 H1N1 pseudotype virus. RESULTS Anamnestic and laboratory data suggest that SARS-CoV-2 infection occurred in 8 centenarians. The infection appeared to have been asymptomatic or mild, and hospitalization was not required, despite 3 out of 8 being between 109 and 110 years old. The levels of anti-spike antibodies in centenarians infected and/or vaccinated were higher, although not significantly, than those produced by a random sample of seventy-year-old individuals used as controls. All centenarians had antibody levels against the 1918 H1N1 virus significantly higher (almost 50 times) than those observed in the quoted group of seventy-year-old subjects, confirming the key role in maintaining immunological memory from a priming that occurred over 100 years ago. Centenarians whose blood was collected prior to the pandemic outbreak demonstrated neutralising antibodies against the 1918 H1N1 virus, but all these subjects tested negative for SARS-CoV-2. CONCLUSION This retrospective study shows that older centenarians are quite resilient to COVID-19, as they are capable of producing good levels of neutralising antibodies and experiencing mild or asymptomatic disease. This could be attributed to the 1918 Spanish flu pandemic through mechanisms other than the presence of cross-reactive antibodies between the 1918 H1N1 virus and SARS-CoV-2. Another possibility is that the association is purely temporal, solely correlated with the advanced age of resilient centenarians compared to those born after 1918, since older centenarians are known to have better control of immune-inflammatory responses.
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Affiliation(s)
- Claudia Maria Trombetta
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
- VisMederi Research srl, Siena, 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
| | - Anna Calabrò
- 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.
| | - Mattia Emanuela Ligotti
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
- Department of Research, ISMETT-IRCCS Mediterranean Institute forTransplants and Highly Specialized Therapies, Palermo, Italy
| | - Serena Marchi
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - Emanuele Montomoli
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
- VisMederi Research srl, Siena, Italy
- VisMederi srl, Siena, Italy
| | - Martin Mayora Neto
- Viral Pseudotype Unit, Medway School of Pharmacy, University of Kent, Kent, UK
| | - Nigel Temperton
- Viral Pseudotype Unit, Medway School of Pharmacy, University of Kent, Kent, UK
| | - Giuseppina Candore
- Laboratory of Immunopathology and Immunosenescence, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Palermo, Italy
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Dandu H, Goel A, Kumar M, Malhotra HS, Katiyar H, Agarwal M, Kumar N, Pandey P, Rani S, Yadav G. Humoral and cellular immune response in patients of liver cirrhosis and immunocompetent recipient of ChAdOx1nCoV-19 Vaccine (Covishield). Clin Exp Med 2024; 24:24. [PMID: 38280060 PMCID: PMC10821839 DOI: 10.1007/s10238-023-01258-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 12/15/2023] [Indexed: 01/29/2024]
Abstract
Despite the effectiveness of COVID-19 vaccination in reducing the severity of the disease, the demand for booster is increasing in vulnerable populations like elderly and immunocompromised individuals especially with each new wave of COVID-19 in different countries. There is limited data on the sustained immunity against COVID-19 in patients with liver cirrhosis. The study was aimed to compare the T cell and humoral immune response after 1 year of ChAdOx1nCoV-19 Vaccine in patients with liver cirrhosis and healthy health care workers (HCW). This was a prospective observational study including 36 HCW, 19 liver cirrhosis patients and 10 unvaccinated individuals. Anti-SARS-CoV-2S antibody, neutralizing antibody and memory T cell subsets were evaluated by ELISA and flow cytometry, respectively, in all three groups after 1 year of initial vaccination. Compared to HCW and unvaccinated individuals, liver cirrhosis patients had significantly depleted T cells, although CD4:CD8 + T cell ratio was normal. Both cirrhotic patients and HCW developed memory T cell subset [effector memory RA (P = 0.141, P < 0.001), effector memory (P < 0.001, P < 0.001), central memory (P < 0.001, P < 0.01), stem cell memory (P = 0.009, P = 0.08) and naïve (P < 0.001, P = 0.02)] compared to unvaccinated unexposed individuals of CD4 + T and CD8 + T, respectively. However, among HCW and cirrhotic group no difference was noted on central memory and stem cell memory cells on T cells. Patients with liver cirrhosis developed comparable memory T cells after vaccination which can evoke sustainable immune response on reinfection. Therefore, additional vaccine doses may not be necessary for cirrhosis patients.
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Affiliation(s)
- Himanshu Dandu
- Department of Internal Medicine, King George's Medical University, Lucknow, 226003, India
| | - Amit Goel
- Department of Hepatology, Sanjay Gandhi Post-Graduate Institute of Medical Sciences, Lucknow, 226014, India
| | - Manish Kumar
- Department of Pathology, King George's Medical University, Lucknow, 226003, India
| | | | - Harshita Katiyar
- Department of Hepatology, Sanjay Gandhi Post-Graduate Institute of Medical Sciences, Lucknow, 226014, India
| | - Monica Agarwal
- Department of Community Medicine, King George's Medical University, Lucknow, 226003, India
| | - Neeraj Kumar
- Department of Neurology, King George's Medical University, Lucknow, 226003, India
| | - Pragya Pandey
- Department of Conservative Dentistry and Endodontics, King George's Medical University, Lucknow, 226003, India
| | - Shivani Rani
- Department of Internal Medicine, King George's Medical University, Lucknow, 226003, India
| | - Geeta Yadav
- Department of Pathology, King George's Medical University, Lucknow, 226003, India.
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Trombetta CM, Marchi S, Leonardi M, Coppola C, Benincasa L, Marotta MG, Buonvino N, Maes P, Stufano A, Pontrelli D, Vasinioti VI, Manenti A, Camero M, Montomoli E, Decaro N, Lovreglio P. Evaluation of immune response to SARS-CoV-2 Omicron sublineages six months after different vaccination regimens in Italy. Acta Trop 2023; 248:107042. [PMID: 37863379 DOI: 10.1016/j.actatropica.2023.107042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/11/2023] [Accepted: 10/17/2023] [Indexed: 10/22/2023]
Abstract
The Omicron variant is the most divergent, displaying more mutations than previous SARS-CoV-2 variants, particularly in the gene that encodes the spike protein. This study aimed to assess the persistence of neutralizing antibodies towards the SARS-CoV-2 Omicron sublineages (BA.2, BA.5, BQ.1, XBB and XBB1.5) six months after the third dose in different vaccination regimens. Subjects who received 3 doses of mRNA vaccine retained their neutralization activity against BA.2 and BA.5, even though 56.3% and 66.7% showed a ≥ 2-fold reduction in the neutralizing antibody titre, respectively. Subjects who had received the adenovirus-based vaccine plus a booster dose of mRNA vaccine retained their neutralization activity especially against BA.2. With regard to BQ.1, XBB and XBB.1.5, the majority of the subjects showed a ≥ 2-fold reduction in neutralizing antibody titre, with the greatest evasion being observed in the case of XBB. Overall, our results provide further evidence that triple homologous/heterologous vaccination and hybrid immunity result in detectable neutralizing antibodies against the ancestral virus; however, emerging Omicron sublineages, such as XBB and XBB.1.5, show a great evasive capacity, which compromises the effectiveness of current COVID-19 vaccines.
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Affiliation(s)
- Claudia Maria Trombetta
- Department of Molecular and Developmental Medicine, University of Siena, via Aldo Moro 2, Siena 53100, Italy.
| | - Serena Marchi
- Department of Molecular and Developmental Medicine, University of Siena, via Aldo Moro 2, Siena 53100, Italy
| | | | - Chiara Coppola
- Department of Molecular and Developmental Medicine, University of Siena, via Aldo Moro 2, Siena 53100, Italy
| | | | - Maria Giovanna Marotta
- Department of Molecular and Developmental Medicine, University of Siena, via Aldo Moro 2, Siena 53100, Italy
| | | | - Piet Maes
- Department of Microbiology, Immunology and Transplantation, Laboratory of Clinical and Epidemiological Virology, Rega Institute, KU Leuven, Leuven, Belgium
| | | | | | | | | | | | - Emanuele Montomoli
- Department of Molecular and Developmental Medicine, University of Siena, via Aldo Moro 2, Siena 53100, Italy; VisMederi Research Srl, Siena, Italy; VisMederi Srl, Siena, Italy
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Fogolari M, Leoni BD, De Cesaris M, Italiano R, Davini F, Miccoli GA, Donati D, Clerico L, Stanziale A, Savini G, Petrosillo N, Ciccozzi M, Sommella L, Riva E, Fazii P, Angeletti S. Neutralizing Antibodies against SARS-CoV-2 Beta and Omicron Variants Inhibition Comparison after BNT162b2 mRNA Booster Doses with a New PETIA sVNT Assay. Diagnostics (Basel) 2023; 13:889. [PMID: 36900033 PMCID: PMC10000738 DOI: 10.3390/diagnostics13050889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/23/2023] [Accepted: 02/23/2023] [Indexed: 03/02/2023] Open
Abstract
BACKGROUND Monitoring antibody response following SARS-CoV-2 vaccination is strategic, and neutralizing antibodies represent the gold standard. The neutralizing response to Beta and Omicron VOCs was evaluated versus the gold standard by a new commercial automated assay. METHODS Serum samples from 100 healthcare workers from the Fondazione Policlinico Universitario Campus Biomedico and the Pescara Hospital were collected. IgG levels were determined by chemiluminescent immunoassay (Abbott Laboratories, Wiesbaden, Germany) and serum neutralization assay as the gold standard. Moreover, a new commercial immunoassay, the PETIA test Nab (SGM, Rome, Italy), was used for neutralization evaluation. Statistical analysis was performed with R software, version 3.6.0. RESULTS Anti-SARS-CoV-2 IgG titers decayed during the first ninety days after the vaccine second dose. The following booster dose significantly (p < 0.001) increased IgG levels. A correlation between IgG expression and neutralizing activity modulation was found with a significant increase after the second and the third booster dose (p < 0.05. Compared to the Beta variant of the virus, the Omicron VOC was associated with a significantly larger quantity of IgG antibodies needed to achieve the same degree of neutralization. The best Nab test cutoff for high neutralization titer (≥1:80) was set for both Beta and Omicron variants. CONCLUSION This study correlates vaccine-induced IgG expression and neutralizing activity using a new PETIA assay, suggesting its usefulness for SARS-CoV2 infection management.
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Affiliation(s)
- Marta Fogolari
- Clinical Laboratory Unit, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
- Unit of Clinical Laboratory Science, Department of Medicine and Surgery, University Campus Bio-Medico, 00128 Rome, Italy
| | | | - Marina De Cesaris
- Clinical Laboratory Unit, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
| | | | - Flavio Davini
- Clinical Laboratory Unit, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
- Unit of Clinical Laboratory Science, Department of Medicine and Surgery, University Campus Bio-Medico, 00128 Rome, Italy
| | - Ginevra Azzurra Miccoli
- Infection Prevention and Control Service, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
| | - Daniele Donati
- Infection Prevention and Control Service, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
| | - Luigi Clerico
- Clinical Microbiology and Virology, Spirito Santo Hospital, 65122 Pescara, Italy
| | - Andrea Stanziale
- Clinical Microbiology and Virology, Spirito Santo Hospital, 65122 Pescara, Italy
| | - Giovanni Savini
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise ‘G Caporale’, 64100 Teramo, Italy
| | - Nicola Petrosillo
- Infection Prevention and Control Service, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
| | - Massimo Ciccozzi
- Unit of Medical Statistics and Molecular Epidemiology, University Campus Bio-Medico of Rome, 00128 Rome, Italy
| | - Lorenzo Sommella
- Health Management, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
| | - Elisabetta Riva
- Clinical Laboratory Unit, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
- Unit of Virology, University Campus Bio-Medico of Rome, 00128 Rome, Italy
| | - Paolo Fazii
- Clinical Microbiology and Virology, Spirito Santo Hospital, 65122 Pescara, Italy
| | - Silvia Angeletti
- Clinical Laboratory Unit, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
- Unit of Clinical Laboratory Science, Department of Medicine and Surgery, University Campus Bio-Medico, 00128 Rome, Italy
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