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Tang S, Qin R, Zhang D, He X, Yu C, Chen D, Li X, Liu S. Liver injury and prolonged hospitalization as indicators of severity in patients with adenovirus infections. BMC Infect Dis 2024; 24:430. [PMID: 38649842 PMCID: PMC11036557 DOI: 10.1186/s12879-024-09324-x] [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: 08/17/2023] [Accepted: 04/15/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND Adenovirus (ADV) is a prevalent infective virus in children, accounting for around 5-10% of all cases of acute respiratory illnesses and 4-15% of pneumonia cases in children younger than five years old. Without treatment, severe ADV pneumonia could result in fatality rates of over 50% in cases of emerging strains or disseminated disease. This study aims to uncover the relationship of clinical indicators with primary ADV infection severity, regarding duration of hospitalization and liver injury. METHODS In this retrospective study, we collected and analyzed the medical records of 1151 in-patients who met the inclusion and exclusion criteria. According to duration of hospitalization, all patients were divided into three groups. Then the difference and correlation of clinical indicators with ADV infection were analyzed, and the relationship among liver injury, immune cells and cytokines was evaluated. RESULTS The study revealed that patients with a duration of hospitalization exceeding 14 days had the highest percentage of abnormalities across most indicators. This was in contrast to the patients with a hospitalization duration of either less than or equal to 7 days or between 7 and 14 days. Furthermore, correlation analysis indicated that a longer duration of body temperature of ≥ 39°C, bilateral lung lobes infiltration detected by X ray, abnormal levels of AST, PaO2, and SPO2, and a lower age were all predictive of longer hospital stays. Furthermore, an elevated AST level and reduced liver synthesis capacity were related with a longer hospital stay and higher ADV copy number. Additionally, AST/ALT was correlated positively with IFN-γ level and IFN-γ level was only correlated positively with CD4+ T cells. CONCLUSIONS The study provided a set of predicting indicators for longer duration of hospitalization, which responded for primary severe ADV infection, and elucidated the possible reason for prolonged duration of hospitalization attributing to liver injury via higher ADV copy number, IFN-γ and CD4+ T cells, which suggested the importance of IFN-γ level and liver function monitoring for the patients with primary severe ADV infection.
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Affiliation(s)
- Shi Tang
- Newborn Screening Center/Center for Clinical Molecular Laboratory Medicine, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing Medical University affiliated Children's Hospital, 136 Zhongshan Er Road, Yuzhong District, 400014, Chongqing, China
| | - Ru Qin
- Clinical Laboratory of Chongqing, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Medical University affiliated Children's Hospital, 400014, Chongqing, China
| | - Dayong Zhang
- Newborn Screening Center/Center for Clinical Molecular Laboratory Medicine, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing Medical University affiliated Children's Hospital, 136 Zhongshan Er Road, Yuzhong District, 400014, Chongqing, China
| | - Xiaoyan He
- Newborn Screening Center/Center for Clinical Molecular Laboratory Medicine, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing Medical University affiliated Children's Hospital, 136 Zhongshan Er Road, Yuzhong District, 400014, Chongqing, China
| | - Chaowen Yu
- Newborn Screening Center/Center for Clinical Molecular Laboratory Medicine, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing Medical University affiliated Children's Hospital, 136 Zhongshan Er Road, Yuzhong District, 400014, Chongqing, China
| | - Dapeng Chen
- Clinical Laboratory of Chongqing, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Medical University affiliated Children's Hospital, 400014, Chongqing, China
| | - Xiaoqiang Li
- Clinical Laboratory of Chongqing, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Medical University affiliated Children's Hospital, 400014, Chongqing, China
| | - Shan Liu
- Newborn Screening Center/Center for Clinical Molecular Laboratory Medicine, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing Medical University affiliated Children's Hospital, 136 Zhongshan Er Road, Yuzhong District, 400014, Chongqing, China.
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2
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Pontiroli AE, Scovenna F, Carlini V, Tagliabue E, Martin-Delgado J, Sala LL, Tanzi E, Zanoni I. Vaccination against influenza viruses reduces infection, not hospitalization or death, from respiratory COVID-19: A systematic review and meta-analysis. J Med Virol 2024; 96:e29343. [PMID: 38163281 PMCID: PMC10924223 DOI: 10.1002/jmv.29343] [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: 09/05/2023] [Revised: 12/01/2023] [Accepted: 12/13/2023] [Indexed: 01/03/2024]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes COVID-19 and has brought a huge burden in terms of human lives. Strict social distance and influenza vaccination have been recommended to avoid co-infections between influenza viruses and SARS-CoV-2. Scattered reports suggested a protective effect of influenza vaccine on COVID-19 development and severity. We analyzed 51 studies on the capacity of influenza vaccination to affect infection with SARS-CoV-2, hospitalization, admission to Intensive Care Units (ICU), and mortality. All subjects taken into consideration did not receive any anti-SARS-CoV-2 vaccine, although their status with respect to previous infections with SARS-CoV-2 is not known. Comparison between vaccinated and not-vaccinated subjects for each of the four endpoints was expressed as odds ratio (OR), with 95% confidence intervals (CIs); all analyses were performed by DerSimonian and Laird model, and Hartung-Knapp model when studies were less than 10. In a total of 61 029 936 subjects from 33 studies, influenza vaccination reduced frequency of SARS-CoV-2 infection [OR plus 95% CI = 0.70 (0.65-0.77)]. The effect was significant in all studies together, in health care workers and in the general population; distance from influenza vaccination and the type of vaccine were also of importance. In 98 174 subjects from 11 studies, frequency of ICU admission was reduced with influenza vaccination [OR (95% CI) = 0.71 (0.54-0.94)]; the effect was significant in all studies together, in pregnant women and in hospitalized subjects. In contrast, in 4 737 328 subjects from 14 studies hospitalization was not modified [OR (95% CI) = 1.05 (0.82-1.35)], and in 4 139 660 subjects from 19 studies, mortality was not modified [OR (95% CI) = 0.76 (0.26-2.20)]. Our study emphasizes the importance of influenza vaccination in the protection against SARS-CoV-2 infection.
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Affiliation(s)
- Antonio E. Pontiroli
- Dipartimento di Scienze della Salute, Università degli Studi di Milano, 20142 Milan, Italy
| | - Francesco Scovenna
- Dipartimento di Scienze della Salute, Università degli Studi di Milano, 20142 Milan, Italy
| | - Valentina Carlini
- IRCCS MultiMedica, Laboratory of Cardiovascular and Dysmetabolic Disease, 20138 Milan, Italy
| | - Elena Tagliabue
- IRCCS MultiMedica, Value-Based Healthcare Unit, 20099 Milan, Italy
| | - Jimmy Martin-Delgado
- Hospital Luis Vernaza, Junta de Beneficiencia de Guayaquil 090603, Ecuador
- Instituto de Investigacion e Innovacion en Salud Integral, Universidad Catolica de Santiago de Guayaquil, Guayaquil 090603, Ecuador
| | - Lucia La Sala
- IRCCS MultiMedica, Laboratory of Cardiovascular and Dysmetabolic Disease, 20138 Milan, Italy
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milan, Italy
| | - Elisabetta Tanzi
- Dipartimento di Scienze della Salute, Università degli Studi di Milano, 20142 Milan, Italy
| | - Ivan Zanoni
- Harvard Medical School, Boston Children’s Hospital, Division of Immunology and Division of Gastroenterology, Boston, MA 02115, USA
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Shin H, Lee HS, Noh JY, Koh JY, Kim SY, Park J, Chung SW, Hur MH, Park MK, Lee YB, Kim YJ, Yoon JH, Ko JH, Peck KR, Song JY, Shin EC, Lee JH. COVID-19 Vaccination Alters NK Cell Dynamics and Transiently Reduces HBsAg Titers Among Patients With Chronic Hepatitis B. Immune Netw 2023; 23:e39. [PMID: 37970236 PMCID: PMC10643334 DOI: 10.4110/in.2023.23.e39] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 10/04/2023] [Accepted: 10/10/2023] [Indexed: 11/17/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) vaccination may non-specifically alter the host immune system. This study aimed to evaluate the effect of COVID-19 vaccination on hepatitis B surface Ag (HBsAg) titer and host immunity in chronic hepatitis B (CHB) patients. Consecutive 2,797 CHB patients who had serial HBsAg measurements during antiviral treatment were included in this study. Changes in the HBsAg levels after COVID-19 vaccination were analyzed. The dynamics of NK cells following COVID-19 vaccination were also examined using serial blood samples collected prospectively from 25 healthy volunteers. Vaccinated CHB patients (n=2,329) had significantly lower HBsAg levels 1-30 days post-vaccination compared to baseline (median, -21.4 IU/ml from baseline), but the levels reverted to baseline by 91-180 days (median, -3.8 IU/ml). The velocity of the HBsAg decline was transiently accelerated within 30 days after vaccination (median velocity: -0.06, -0.39, and -0.04 log10 IU/ml/year in pre-vaccination period, days 1-30, and days 31-90, respectively). In contrast, unvaccinated patients (n=468) had no change in HBsAg levels. Flow cytometric analysis showed that the frequency of NK cells expressing NKG2A, an NK inhibitory receptor, significantly decreased within 7 days after the first dose of COVID-19 vaccine (median, -13.1% from baseline; p<0.001). The decrease in the frequency of NKG2A+ NK cells was observed in the CD56dimCD16+ NK cell population regardless of type of COVID-19 vaccine. COVID-19 vaccination leads to a rapid, transient decline in HBsAg titer and a decrease in the frequency of NKG2A+ NK cells.
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Affiliation(s)
- Hyunjae Shin
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Ha Seok Lee
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
| | - Ji Yun Noh
- Division of Infectious Diseases, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, Seoul 08308, Korea
| | - June-Young Koh
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
| | - So-Young Kim
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
| | - Jeayeon Park
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Sung Won Chung
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Moon Haeng Hur
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Min Kyung Park
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Yun Bin Lee
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Yoon Jun Kim
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Jung-Hwan Yoon
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Jae-Hoon Ko
- Division of Infectious Diseases, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 16419, Korea
| | - Kyong Ran Peck
- Division of Infectious Diseases, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 16419, Korea
| | - Joon Young Song
- Division of Infectious Diseases, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, Seoul 08308, Korea
| | - Eui-Cheol Shin
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- The Center for Viral Immunology, Korea Virus Research Institute, Institute for Basic Science, Daejeon 34126, Korea
| | - Jeong-Hoon Lee
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, Korea
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Nelli F, Signorelli C, Fabbri A, Giannarelli D, Virtuoso A, Giron Berrios JR, Marrucci E, Fiore C, Schirripa M, Chilelli MG, Primi F, Panichi V, Topini G, Silvestri MA, Ruggeri EM. Changes in Peripheral Immune Cells after the Third Dose of SARS-CoV-2 mRNA-BNT162b2 Vaccine and Disease Outcomes in Cancer Patients Receiving Immune Checkpoint Inhibitors: A Prospective Analysis of the Vax-on-Third-Profile Study. Cancers (Basel) 2023; 15:3625. [PMID: 37509286 PMCID: PMC10377319 DOI: 10.3390/cancers15143625] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 07/03/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Anti-SARS-CoV-2 mRNA vaccines can deeply affect cell-mediated immune responses in immunocompromised recipients, including cancer patients receiving active treatments. The clinical implications of changes in peripheral blood lymphocyte subsets following the third dose of mRNA-BNT162b2 vaccination (tozinameran) in patients on immune checkpoint blockade are not fully understood. We conducted a prospective analysis of the Vax-On-Third-Profile study to evaluate the impact of circulating lymphocyte dynamics on disease outcomes in this subgroup of patients. METHODS Recipients of booster dosing who had received before vaccination at least one course of an anti-PD-1/PD-L1 treatment for an advanced solid tumor were eligible. Immunophenotyping of peripheral blood was performed before the third dose of tozinameran (timepoint-1) and four weeks later (timepoint-2) to quantify the absolute counts of lymphocyte subpopulations, including CD3+CD4+ T cells, CD3+CD8+ T cells, B cells, and NK cells. Logistic regression was used to analyze the relationship between lymphocyte subsets and durable clinical benefit (DCB). The log-rank test and Cox regression model were applied to evaluate the relationship between lymphocyte subpopulations and both vaccine-related time-to-treatment failure (V-TTF) and overall survival (OS). RESULTS We included a total of 56 patients with metastatic disease who were given a third dose of tozinameran between 23 September and 7 October 2021 (median age: 66 years; male: 71%). Most recipients had a diagnosis of lung cancer and were being treated with pembrolizumab or nivolumab. Compared to baseline, the third immunization resulted in an incremental change in the median counts of all lymphocyte subpopulations, which was statistically significant only for NK cells (p < 0.001). A significant correlation was found between NK cell counts and DCB at timepoint-2 (p < 0.001). Multivariate logistic regression analysis of DCB confirmed the predictive significance of high-level NK cell counts (p = 0.020). In multivariate Cox regression analysis, high-level NK cell counts independently predicted longer V-TTF [HR 0.34 (95% CI 0.14-0.80), p = 0.014] and OS [HR 0.36 (95% CI 0.15-0.89), p = 0.027]. CONCLUSIONS Our data suggest expansion of NK cell counts as the most noteworthy change in circulating lymphocytes after the third dose of tozinameran in cancer patients receiving PD-1/PD-L1-targeted agents. This change correlated with enhanced therapeutic efficacy, improving the rate of disease control, and prolonging survival outcomes. Similar findings have not been previously reported, implying that they have proof-of-concept value and warrant further confirmation.
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Affiliation(s)
- Fabrizio Nelli
- Medical Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
- Thoracic Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Carlo Signorelli
- Medical Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Agnese Fabbri
- Medical Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Diana Giannarelli
- Biostatistics Unit, Scientific Directorate, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Antonella Virtuoso
- Medical Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
- Thoracic Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Julio Rodrigo Giron Berrios
- Medical Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Eleonora Marrucci
- Medical Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Cristina Fiore
- Medical Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Marta Schirripa
- Medical Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Mario Giovanni Chilelli
- Medical Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Francesca Primi
- Medical Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Valentina Panichi
- Cytofluorimetry Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Giuseppe Topini
- Cytofluorimetry Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Maria Assunta Silvestri
- Microbiology and Virology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
| | - Enzo Maria Ruggeri
- Medical Oncology Unit, Department of Oncology and Hematology, Central Hospital of Belcolle, 01100 Viterbo, Italy
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Laeremans T, den Roover S, Lungu C, D’haese S, Gruters RA, Allard SD, Aerts JL. Autologous dendritic cell vaccination against HIV-1 induces changes in natural killer cell phenotype and functionality. NPJ Vaccines 2023; 8:29. [PMID: 36864042 PMCID: PMC9980861 DOI: 10.1038/s41541-023-00631-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 02/20/2023] [Indexed: 03/04/2023] Open
Abstract
Although natural killer (NK) cells have been studied in connection with dendritic cell (DC)-based vaccination in the field of cancer immunology, their role has barely been addressed in the context of therapeutic vaccination against HIV-1. In this study, we evaluated whether a therapeutic DC-based vaccine consisting of monocyte-derived DCs electroporated with Tat, Rev and Nef encoding mRNA affects NK cell frequency, phenotype and functionality in HIV-1-infected individuals. Although the frequency of total NK cells did not change, we observed a significant increase in cytotoxic NK cells following immunisation. In addition, significant changes in the NK cell phenotype associated with migration and exhaustion were observed together with increased NK cell-mediated killing and (poly)functionality. Our results show that DC-based vaccination has profound effects on NK cells, which highlights the importance of evaluating NK cells in future clinical trials looking at DC-based immunotherapy in the context of HIV-1 infection.
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Affiliation(s)
- Thessa Laeremans
- grid.8767.e0000 0001 2290 8069Neuro-Aging and Viro-Immunotherapy Research Group, Vrije Universiteit Brussel, Brussels, Belgium
| | - Sabine den Roover
- grid.8767.e0000 0001 2290 8069Neuro-Aging and Viro-Immunotherapy Research Group, Vrije Universiteit Brussel, Brussels, Belgium
| | - Cynthia Lungu
- grid.5645.2000000040459992XDepartment of Viroscience, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Sigrid D’haese
- grid.8767.e0000 0001 2290 8069Neuro-Aging and Viro-Immunotherapy Research Group, Vrije Universiteit Brussel, Brussels, Belgium
| | - Rob A. Gruters
- grid.5645.2000000040459992XDepartment of Viroscience, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Sabine D. Allard
- grid.411326.30000 0004 0626 3362Department of Internal Medicine and Infectious Diseases, Universitair Ziekenhuis Brussel and Vrije Universiteit Brussel, Brussels, Belgium
| | - Joeri L. Aerts
- grid.8767.e0000 0001 2290 8069Neuro-Aging and Viro-Immunotherapy Research Group, Vrije Universiteit Brussel, Brussels, Belgium
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Dubovsky SL. Keeping Politics out of Doctors' Offices: A Reply to Fogelson. PSYCHOTHERAPY AND PSYCHOSOMATICS 2023; 92:69-70. [PMID: 36599312 PMCID: PMC9909705 DOI: 10.1159/000528523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 11/25/2022] [Indexed: 01/05/2023]
Affiliation(s)
- Steven L Dubovsky
- Department of Psychiatry, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA
- Departments of Psychiatry and Medicine, University of Colorado School of Medicine, Aurora, Colorado, USA
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Tu H, Bao J. IFNL4, ACE1, PKR, IFNG, MBL2 genetic polymorphisms and severe COVID-19: A protocol for systematic review and meta-analysis. Medicine (Baltimore) 2022; 101:e29405. [PMID: 35623072 PMCID: PMC9276237 DOI: 10.1097/md.0000000000029405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 05/17/2022] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Corona virus disease 2019 (COVID-19) is caused by SARS-CoV-2, the pathogenic process of SARS-Cov-2 is related to the angiotensin-2 converting enzyme (ACE-2) on host cells. The genetic polymorphisms among different populations may influence the progression of COVID-19. However, the effects of IFNL4, ACE1, PKR, IFNG, and MBL2 in severe COVID-19 have not been systematically assessed. METHODS We will include all relevant English and Chinese studies by searching the following electronic databases: PubMed, MEDLINE, Embase, Web of Science, Scopus, the Cochrane Library, and Google Scholar before March 31, 2022. Two researchers will independently screen and extract the literature. The methodological quality of the included studies will be evaluated by the Cochrane Handbook for Systematic Reviews of Interventions. RESULT This systematic review and meta-analysis will summarize the association of IFNL4, ACE1, PKR, IFNG, MBL2 genetic polymorphisms, and severe COVID-19. The results will be submitted to a peer-reviewed journal once completed. CONCLUSION The conclusion of our study will provide evidence for the early prevention of severe COVID-19. PROSPERO REGISTRATION NUMBER CRD42022301735.
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Affiliation(s)
- Hengjia Tu
- Guangzhou Medical University, Xinzao, Panyu District, Guangzhou City, Guangdong Province, People's Republic of China
| | - Junrong Bao
- Faculty of Big Data and Computing, Guangdong Baiyun University, No.1 Xueyuan Road Jianggao Town, Baiyun District, Guangzhou City, Guangdong Province, People's Republic of China
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