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Oliveira FMS, Caetano MMM, de Godoy ARV, de Oliveira LL, de Melo Mambrini JV, Rezende MS, Fantini MPR, Oliveira Mendes TAD, Medeiros NI, Guimarães HC, Fiuza JA, Gaze ST. Retrospective cohort study to evaluate the continuous use of anticholesterolemics and diuretics in patients with COVID-19. Front Med (Lausanne) 2024; 10:1252556. [PMID: 38274462 PMCID: PMC10808793 DOI: 10.3389/fmed.2023.1252556] [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: 07/04/2023] [Accepted: 12/12/2023] [Indexed: 01/27/2024] Open
Abstract
Purpose The purpose of this study is to evaluate the interference of the continuous use of drug classes in the expression of biomarkers during the first week of hospitalization and in the prognosis of patients with COVID-19. Methods The patients diagnosed with COVID-19 and confirmed with SARS-CoV-2 by RT-qPCR assay underwent the collection of fasting whole blood samples for further analysis. Other data also extracted for this study included age, sex, clinical symptoms, related comorbidities, smoking status, and classes of continuous use. Routine serum biochemical parameters, including alanine aminotransferase, aspartate aminotransferase, lactate dehydrogenase, C-reactive protein, N-terminal fragment of B-type natriuretic peptide, and cardiac troponin, were measured. Results In this cross-sectional study, a total of 176 patients with COVID-19 hospitalizations were included. Among them, 155 patients were discharged (88.5%), and 21 patients died (12%). Among the drug classes evaluated, we verified that the continuous use of diuretic 4.800 (1.853-11.67) (p = 0.0007) and antihypercholesterolemic 3.188 (1.215-7.997) (p = 0.0171) drug classes presented a significant relative risk of death as an outcome when compared to the group of patients who were discharged. We evaluated biomarkers in patients who used continuous antihypercholesterolemic and diuretic drug classes in the first week of hospitalization. We observed significant positive correlations between the levels of CRP with cardiac troponin (r = 0.714), IL-6 (r = 0.600), and IL-10 (r = 0.900) in patients who used continuous anticholesterolemic and diuretic drug classes and were deceased. In these patients, we also evaluated the possible correlations between the biomarkers AST, NT-ProBNP, cardiac troponin, IL-6, IL-8, and IL-10. We observed a significantly negative correlations in AST levels with NT-ProBNP (r = -0.500), cardiac troponin (r = -1.00), IL-6 (r = -1.00), and IL-10 (r = -1.00) and a positive correlation with IL-8 (r = 0.500). We also observed significant negative correlation in the levels of NT-ProBNP with IL-10 (r = -0.800) and a positive correlation with cardiac troponin (r = 0.800). IL-6 levels exhibited positive correlations with cardiac troponin (r = 0.800) and IL-10 (r = 0.700). Conclusion In this study, we observed that hospitalized COVID-19 patients who continued using anticholesterolemic and diuretic medications showed a higher number of correlations between biomarkers, indicating a poorer clinical prognosis. These correlations suggest an imbalanced immune response to injuries caused by SARS-CoV-2.
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Affiliation(s)
- Fabrício Marcus Silva Oliveira
- Cellular and Molecular Immunology Group, Rene Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
| | - Mônica Maria Magalhães Caetano
- Cellular and Molecular Immunology Group, Rene Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
| | - Ana Raquel Viana de Godoy
- Cellular and Molecular Immunology Group, Rene Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
| | - Larissa Lilian de Oliveira
- Cellular and Molecular Immunology Group, Rene Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
| | - Juliana Vaz de Melo Mambrini
- Cellular and Molecular Immunology Group, Rene Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
| | | | | | | | - Nayara Ingrid Medeiros
- Cellular and Molecular Immunology Group, Rene Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
- Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | - Jacqueline Araújo Fiuza
- Cellular and Molecular Immunology Group, Rene Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
| | - Soraya Torres Gaze
- Cellular and Molecular Immunology Group, Rene Rachou Institute, Oswaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil
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Yu Y, Han F, Yang M, Zhang X, Chen Y, Yu M, Wang Y. Pseudomonas composti isolate from oyster digestive tissue specifically binds with norovirus GII.6 via Psl extracellular polysaccharide. Int J Food Microbiol 2023; 406:110369. [PMID: 37666026 DOI: 10.1016/j.ijfoodmicro.2023.110369] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 08/15/2023] [Accepted: 08/21/2023] [Indexed: 09/06/2023]
Abstract
Oysters are recognized as important vectors for human norovirus transmission in the environment. Whether norovirus binds to bacteria in oyster digestive tissues (ODTs) remains unknown. To shed light on this concern, ODT-54 and ODT-32, positive for histo-blood group antigen (HBGA) -like substances, were isolated from ODTs and identified as Pseudomonas composti and Enterobacter cloacae, respectively. The binding of noroviruses (GII.4 and GII.6 P domains) to bacterial cells (ODT-32 and ODT-54; in situ assay) as well as extracted extracellular polysaccharides (EPSs; in vitro assay) was analyzed by flow cytometry, confocal laser scanning microscopy, ELISA, and gene knock-out mutants. ODT-32 bound to neither GII.4 nor GII.6 P domains, while ODT-54 specifically binds with GII.6 P domain through Psl, an exopolysaccharide encoded by the polysaccharide synthesis locus (psl), identified based on gene annotation, gene transcription, Psl specific staining, and ELISAs. These findings attest that ODT bacteria specifically bind with certain norovirus genotypes in a strain-dependent manner, contributing to a better understanding of the transmission and enrichment of noroviruses in the environment.
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Affiliation(s)
- Yongxin Yu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China; Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, China
| | - Feng Han
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China; Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Mingshu Yang
- College of Food Science and Engineering, Hainan Tropical Ocean University, Sanya, China
| | - Xiaoya Zhang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Yunfei Chen
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Mingxia Yu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Yongjie Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China; Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, China.
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Yu F, Fu J, Tan M, Xu R, Tian Y, Jia L, Zhang D, Wang Q, Gao Z. Norovirus outbreaks in hospitals in China: a systematic review. J Hosp Infect 2023; 142:32-38. [PMID: 37805116 DOI: 10.1016/j.jhin.2023.09.016] [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: 08/02/2023] [Revised: 09/20/2023] [Accepted: 09/21/2023] [Indexed: 10/09/2023]
Abstract
BACKGROUND Norovirus outbreaks in hospitals can potentially impair patient care and result in significant financial expenses. There is currently limited information on hospital norovirus outbreaks in the Chinese mainland. AIM To systematically review the published literature to describe the characteristics of norovirus outbreaks in Chinese mainland hospitals to facilitate prompt identification and control of outbreaks. METHODS A systematic review was performed according to the Preferred Reporting Items for Systematic Review and Meta-Analysis standards. Databases including PubMed, Web of Science, and Chinese Journals Online databases (China National Knowledge Infrastructure (CNKI), Chinese Wan Fang digital database (WANFANG) were searched from inception to July 18th, 2022. FINDINGS A total of 41 norovirus Chinese hospital outbreaks occurring before July 18th, 2022 were reported in 32 articles. Most reported outbreaks were from Shanghai and Beijing, and occurred in December and January. Cases were mainly adults. The male:female ratio was 1.22:1. The majority of cases in norovirus outbreaks were hospitalized patients (56.82%); medical staff were affected in 15 outbreaks. Norovirus outbreaks occurred in both private and public hospitals, and in secondary and tertiary care centres, and occurred mainly in internal medicine and geriatric departments. Person-to-person transmission was the primary transmission mode and GII was more prevalent. CONCLUSION Norovirus outbreaks in hospitals can affect both patients and healthcare workers, sometimes causing serious financial losses. In order to have a more complete understanding of the disease burden caused by norovirus outbreaks, surveillance needs to be established in hospitals.
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Affiliation(s)
- F Yu
- The University of Hong Kong, School of Public Health, Hong Kong, China
| | - J Fu
- China Medical University, School of Public Health, Shenyang, China
| | - M Tan
- China Medical University, School of Public Health, Shenyang, China
| | - R Xu
- China Medical University, School of Public Health, Shenyang, China
| | - Y Tian
- China Medical University, School of Public Health, Shenyang, China
| | - L Jia
- Beijing Center for Disease Prevention and Control, Beijing, China
| | - D Zhang
- Beijing Center for Disease Prevention and Control, Beijing, China
| | - Q Wang
- Beijing Center for Disease Prevention and Control, Beijing, China
| | - Z Gao
- Beijing Center for Disease Prevention and Control, Beijing, China.
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Wang J, Gao Z, Yang ZR, Liu K, Zhang H. Global prevalence of asymptomatic norovirus infection in outbreaks: a systematic review and meta-analysis. BMC Infect Dis 2023; 23:595. [PMID: 37700223 PMCID: PMC10496210 DOI: 10.1186/s12879-023-08519-y] [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: 04/11/2023] [Accepted: 08/07/2023] [Indexed: 09/14/2023] Open
Abstract
BACKGROUND Although many studies on asymptomatic norovirus infection in outbreaks have been conducted globally, structured data (important for emergency management of outbreaks) on the prevalence of this epidemic are still not available. This study assessed the global prevalence of asymptomatic norovirus infection in outbreaks. METHODS We identified publications on asymptomatic infections from norovirus outbreaks by searching the PubMed, Embase, Cochrane Library, Medline, and Web of Science databases and screening references from the articles reviewed. Prevalence of asymptomatic norovirus infection in outbreaks was employed as the primary summary data. The random-effects model of the meta-analysis was fitted to generate estimates of the prevalence in the overall and subgroup populations. RESULTS In total, 44 articles with a sample size of 8,115 asymptomatic individuals were included. The estimated pooled prevalence of asymptomatic norovirus infection in outbreaks was 21.8% (95%CI, 17.4-27.3). The asymptomatic prevalence of norovirus GII (20.1%) was similar to that of GI (19.8%); however, the proportion prevalence of asymptomatic individuals involved in the former (33.36%) was significantly higher than that of in the latter (0.92%) and the former (93.18%) was reported much more frequently than the latter (15.91%) in the included articles. These studies had significant heterogeneity (I2 = 92%, τ2 = 0.4021, P < 0.01). However, the source of heterogeneity could not be identified even after subgroup analysis of 10 possible influencing factors (geographical area, outbreak settings, outbreak seasons, sample types, norovirus genotypes, transmission routes, subjects' occupations, subjects' age, per capita national income, and clear case definition). Meta-regression analysis of these 10 factors demonstrated that the geographical area could be partly responsible for this heterogeneity (P = 0.012). CONCLUSIONS The overall pooled asymptomatic prevalence of norovirus in outbreaks was high, with genome II dominating. Asymptomatic individuals may play an important role in norovirus outbreaks. This knowledge could help in developing control strategies and public health policies for norovirus outbreaks.
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Affiliation(s)
- Jun Wang
- Department of Clinical Laboratory, Jiaozhou Central Hospital, 29 Xuzhou Road, Qingdao, Shandong, 266300, P.R. China
| | - Zhao Gao
- Department of Clinical Laboratory, Jinan Second Peoples' Hospital, 148 Jingyi Road, Jinan, Shandong, 250000, P.R. China
| | - Zu-Rong Yang
- Department of Epidemiology, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, 169 Changle west Road, Xi'an, Shaanxi, 710032, P.R. China
| | - Kun Liu
- Department of Epidemiology, Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, School of Public Health, Air Force Medical University, 169 Changle west Road, Xi'an, Shaanxi, 710032, P.R. China.
| | - Hui Zhang
- Department of Prevention of Infectious Diseases, Xi'an Center for Disease Control and Prevention, 599 Xiying Road, Xi'an, Shaanxi, 710054, P.R. China.
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Liang Z, Zhang M, Wang Y, Koroma MM, Yu J, Zhou F, Jing D, Li J, Tang S, Chen Q, Dai YC. Development and evaluation of a new luciferase immunosorbent assay to detect GII.6 norovirus-specific IgG in different domestic and wild animals. Front Microbiol 2023; 14:1213007. [PMID: 37547694 PMCID: PMC10399220 DOI: 10.3389/fmicb.2023.1213007] [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: 04/27/2023] [Accepted: 06/30/2023] [Indexed: 08/08/2023] Open
Abstract
Noroviruses (NoVs) are the leading viral pathogens globally causing acute gastroenteritis (AGE) in humans, posing a significant global health threat and economic burden. Recent investigations revealed that human NoVs had been detected in different animals, which raises concerns about whether NoVs are potential zoonotic diseases. This study developed a novel luciferase immunosorbent assay (LISA) to detect GII.6 NoV IgG based on P protein of VP1. The LISA showed high specificity (99.20%) and sensitivity (92.00%) with 4-16 times more sensitivity compared with an ELISA. NoV-LISA was reproducible with human serum regarding the inter- and intra-assay coefficient of variance values. Potential cross-reactivity was also evaluated using mice serum immunized by other antigens, which showed that NoV-LISA could differentiate GII.6 NoV from rotavirus and various genotypes of NoV. Specific GII.6 NoV IgG was widely detected in different domestic and wild animals, including dogs, pigs, bats, rats, and home shrews, with various IgG-positive rates ranging from 2.5 to 74.4%. In conclusion, our newly developed NoV-LISA assay is suitable for NoV-specific IgG detection in humans and animals. The wide distribution of IgG antibodies against human NoV indicates potential zoonotic transmission between humans and animals.
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Deng Y, He T, Li B, Yuan H, Zhang F, Wu H, Ning J, Zhang Y, Zhai A, Wu C. Linear epitopes on the capsid protein of norovirus commonly elicit high antibody response among past-infected individuals. Virol J 2023; 20:115. [PMID: 37280660 DOI: 10.1186/s12985-023-02087-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 06/01/2023] [Indexed: 06/08/2023] Open
Abstract
BACKGROUND Human norovirus (HuNoV) is the leading cause of acute nonbacterial gastroenteritis globally, and its infection is usually self-limited, so most people become past Norovirus (NoV)-infected individuals. It is known that some antibody responses may play a critical role in preventing viral infection and alleviating disease; however, the characteristics and functions of particular antibody responses in persons with previous infections are not fully understood. Capsid proteins, including VP1 and VP2, are crucial antigenic components of NoV and may regulate antibody immune responses, while epitope-specific antibody responses to capsid proteins have not been comprehensively characterized. METHODS We prepared purified VP1 and VP2 proteins by ion exchange chromatography and measured serum antigen-specific IgG levels in 398 individuals by ELISA. Overlapping 18-mer peptides covering the full length of VP1 and VP2 were synthesized, and then we identified linear antigenic epitopes from 20 subjects with strong IgG positivity. Subsequently, specific antibody responses to these epitopes were validated in 185 past infected individuals, and the conservation of epitopes was analyzed. Finally, we obtained epitope-specific antiserum by immunizing mice and expressed virus-like particles (VLPs) in an insect expression system for a blockade antibody assay to evaluate the receptor-blocking ability of epitope-specific antibodies. RESULTS The IgG responses of VP1 were significantly stronger than those of VP2, both of which had high positive rates of over 80%. The overall positive rate of VP1-IgG and/or VP2-IgG was approximately 94%, which may be past NoV-infected individuals. Four linear antigenic B-cell epitopes of capsid proteins were identified, namely, VP1199-216, VP1469-492, VP297-120, and VP2241-264, all of which were conserved. The IgG response rates of the above epitopes in past NoV-infected individuals were 38.92%, 22.16%, 8.11% and 28.11%, respectively. In addition, VP1199-216- and VP1469-492-specific antibodies can partially block the binding of VLPs to the receptor histo-blood group antigen (HBGA). CONCLUSION This is the first study to describe specific antibody responses of VP2 and to identify its B-cell epitopes. Our findings offer data for a more thorough understanding of norovirus capsid protein-specific IgG responses and could provide useful information for designing and developing vaccines.
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Affiliation(s)
- Yilin Deng
- Department of Laboratory Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518033, Guangdong, China
| | - Taojun He
- Department of Laboratory Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518033, Guangdong, China
| | - Bin Li
- Department of Laboratory Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518033, Guangdong, China
| | - Hanmei Yuan
- Department of Laboratory Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518033, Guangdong, China
| | - Fang Zhang
- Department of Laboratory Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518033, Guangdong, China
| | - Hui Wu
- Department of Laboratory Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518033, Guangdong, China
| | - Jie Ning
- Department of Laboratory Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518033, Guangdong, China
| | - Yanping Zhang
- Department of Laboratory Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518033, Guangdong, China
| | - Aixia Zhai
- Department of Laboratory Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518033, Guangdong, China
| | - Chao Wu
- Department of Laboratory Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518033, Guangdong, China.
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Oteiza JM, Prez VE, Pereyra D, Jaureguiberry MV, Sánchez G, Sant'Ana AS, Barril PA. Occurrence of Norovirus, Rotavirus, Hepatitis a Virus, and Enterovirus in Berries in Argentina. FOOD AND ENVIRONMENTAL VIROLOGY 2022; 14:170-177. [PMID: 35305250 DOI: 10.1007/s12560-022-09518-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 03/07/2022] [Indexed: 06/14/2023]
Abstract
Berries have been implicated as the probable vehicle of infection in multiple outbreaks of norovirus and hepatitis A virus (HAV). These foods often receive minimal or no processing and may be exposed to virus contamination at each stage of production. In an increasingly globalized world, berries have a wide distribution and can give rise to the spread of diseases in distant parts of the world. With the aim of describing the virological quality of the berries cultivated in Argentina, a total of 184 soft fruits of different varieties (strawberries, blueberries, raspberries, blackberries, currants, pomegranate arils, cassis, and elder) were collected during the periods 2016-2018 and 2020. Viral particles were eluted and concentrated by polyethylene glycol precipitation according to ISO 15216-2:2019 guidelines. Genome detection of norovirus (NoV) genogroups I (GI) and II (GII), HAV, rotavirus, and enterovirus was performed by real-time RT-PCR with TaqMan probes. Positive samples were amplified by conventional RT-PCR and the amplicons were purified and sequenced in both directions. Phylogenetic analysis was performed using the Neighbor-Joining method based on the evolutionary model Kimura-2-parameters. NoV GII.6 was detected in 1/184 (0.5%) of the soft fruits, corresponding to a raspberry sample obtained during the fall of 2017. No presence of other human enteric viruses was found in the other berries analyzed. The collected data are the first in Argentina in relation to the prevalence of enteric viruses in berries and is useful as reference data for a risk assessment of soft fruits as vehicles of foodborne pathogenic viruses.
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Affiliation(s)
- Juan Martín Oteiza
- Laboratorio de Microbiología de los Alimentos, Centro de Investigación y Asistencia Técnica a la Industria (CIATI), Expedicionarios del Desierto 1310, 8309, Centenario, Neuquen, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Verónica Emilse Prez
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
- Laboratorio de Gastroenteritis Virales, Instituto de Virología "Dr. J. M. Vanella", Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Enfermera Gordillo Gómez s/n, Ciudad Universitaria, 5016, Córdoba, Argentina.
- Laboratorio de Gastroenteritis Virales, Instituto de Virología "Dr. J. M. Vanella", Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Enfermera Gordillo Gómez s/n, Ciudad Universitaria, 5000, Córdoba, Argentina.
| | - Dayana Pereyra
- Laboratorio de Microbiología de los Alimentos, Centro de Investigación y Asistencia Técnica a la Industria (CIATI), Expedicionarios del Desierto 1310, 8309, Centenario, Neuquen, Argentina
| | - María Virginia Jaureguiberry
- Laboratorio de Microbiología de los Alimentos, Centro de Investigación y Asistencia Técnica a la Industria (CIATI), Expedicionarios del Desierto 1310, 8309, Centenario, Neuquen, Argentina
| | - Gloria Sánchez
- Departamento de Tecnologías de Conservación y Seguridad Alimentaria, Instituto de Agroquímica y Tecnología de Alimentos - Consejo Superior de Investigaciones Científicas (IATA-CSIC), C/ Catedrático Agustín Escardino Benlloch 7, 46980, Paterna, Valencia, Spain
| | - Anderson S Sant'Ana
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, São Paulo, Brazil
| | - Patricia Angélica Barril
- Laboratorio de Microbiología de los Alimentos, Centro de Investigación y Asistencia Técnica a la Industria (CIATI), Expedicionarios del Desierto 1310, 8309, Centenario, Neuquen, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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Dong L, Jia T, Yu Y, Wang Y. Updating a New Semi-nested PCR Primer Pair for the Specific Detection of GII Norovirus in Oysters. FOOD AND ENVIRONMENTAL VIROLOGY 2022; 14:149-156. [PMID: 35099705 PMCID: PMC8802746 DOI: 10.1007/s12560-022-09511-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 01/12/2022] [Indexed: 06/14/2023]
Abstract
Oysters are major transmission vectors of noroviruses (NoVs) in the environment. Outbreaks of NoVs are often associated with the consumption of NoV-contaminated oysters. Laboratory confirmation of suspected oyster samples is a critical step in the surveillance and control of NoVs. Because of non-specific amplification, false-positive results are frequently obtained by semi-nested RT-PCR with the presently widely used primer set (G2SKF/G2SKR). Here, a novel universal PCR primer set N (NG2OF/NG2OR) specific for genogroup II (GII) NoVs was designed based on all GII NoV sequences available in public databases. Specific products were obtained with the primer set N when the NoV-positive oysters, spiked with each of five representative genotypes of GII NoVs (GII.17, GII.13, GII.4, GII.3, and GII.12), were subjected to analyzing. No products were detected with the primer set N for the NoV-negative oysters, while the primer set C gave various non-specific bands. Twenty-three out of 156 fresh oyster samples were NoV-positive with both the primer set N and the classic primer set, while eight were NoV-positive solely with the primer set N. Compared with the classic primer set, the newly designed primer set N had a higher detection rate and improved specificity for GII NoVs in oyster samples. These results show that the novel PCR primer pair is specific and applicable for the detection of GII NoVs in oysters.
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Affiliation(s)
- Lei Dong
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Tianhui Jia
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Yongxin Yu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China.
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Rural Affairs, Shanghai, China.
| | - Yongjie Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China.
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Rural Affairs, Shanghai, China.
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Flint A, Reaume S, Harlow J, Hoover E, Weedmark K, Nasheri N. Genomic analysis of human noroviruses using combined Illumina-Nanopore data. Virus Evol 2021; 7:veab079. [PMID: 35186325 PMCID: PMC8570145 DOI: 10.1093/ve/veab079] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 08/23/2021] [Accepted: 09/13/2021] [Indexed: 07/23/2023] Open
Abstract
Whole-genome sequence analysis of noroviruses is routinely performed by employing a metagenomic approach. While this methodology has several advantages, such as allowing for the examination of co-infection, it has some limitations, such as the requirement of high viral load to achieve full-length or near full-length genomic sequences. In this study, we used a pre-amplification step to obtain full-length genomic amplicons from 39 Canadian GII isolates, followed by deep sequencing on Illumina and Oxford Nanopore platforms. This approach significantly reduced the required viral titre to obtain full-genome coverage. Herein, we compared the coverage and sequences obtained by both platforms and provided an in-depth genomic analysis of the obtained sequences, including the presence of single-nucleotide variants and recombination events.
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Affiliation(s)
- Annika Flint
- Genomics Laboratory, Bureau of Microbial Hazards, Health Canada, Ottawa, ON, Canada
| | - Spencer Reaume
- National Food Virology Reference Centre, Bureau of Microbial Hazards, Health Canada, Ottawa, ON, Canada
| | - Jennifer Harlow
- National Food Virology Reference Centre, Bureau of Microbial Hazards, Health Canada, Ottawa, ON, Canada
| | - Emily Hoover
- Genomics Laboratory, Bureau of Microbial Hazards, Health Canada, Ottawa, ON, Canada
| | - Kelly Weedmark
- Genomics Laboratory, Bureau of Microbial Hazards, Health Canada, Ottawa, ON, Canada
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Farahmand M, Moghoofei M, Dorost A, Shoja Z, Ghorbani S, Kiani SJ, Khales P, Esteghamati A, Sayyahfar S, Jafarzadeh M, Minaeian S, Khanaliha K, Naghdalipour M, Tavakoli A. Global prevalence and genotype distribution of norovirus infection in children with gastroenteritis: A meta-analysis on 6 years of research from 2015 to 2020. Rev Med Virol 2021; 32:e2237. [PMID: 33793023 DOI: 10.1002/rmv.2237] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/10/2021] [Accepted: 03/15/2021] [Indexed: 12/12/2022]
Abstract
In the post rotavirus vaccine era, norovirus (NoV) plays an increasingly important role in epidemic and sporadic gastroenteritis among children. This study was designed to provide an updated meta-analytic review of the prevalence of NoV among paediatric patients with gastroenteritis and to clarify the relationship between NoV infection and gastroenteritis. Systematic searches of the literature for potentially relevant studies were carried out from 1 January 2015 to 29 May 2020. The inverse variance method was chosen for weighting of the studies, and the random-effects model was used to analyse data. To determine the association between NoV infection and gastroenteritis in children, pooled odds ratio (OR) and its 95% confidence interval (CI) were computed for case-control studies. The pooled prevalence of NoV infection among 12,0531 children with gastroenteritis from 45 countries across the world was 17.7% (95% CI: 16.3%-19.2%). There were 28 studies with a case-control design, and the pooled prevalence of NoV infection among 11,954 control subjects was 6.7% (95% CI: 5.1%-8.8%). The pooled OR of the association of NoV infection and gastroenteritis was 2.7 (95% CI: 2.2-3.4). The most common NoV genotypes were GII.4 (59.3%) and GII.3 (14.9%). The highest frequency of NoV was found in the age group below 1 year. Our findings indicated a substantial burden of gastroenteritis caused by NoV globally, with GII.4 and GII.3 the major genotypes responsible for the majority of NoV-associated gastroenteritis cases among children. Younger age and male sex can be considered risk factors for NoV-associated gastroenteritis among children.
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Affiliation(s)
- Mohammad Farahmand
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohsen Moghoofei
- Department of Microbiology, Faculty of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Abolfazl Dorost
- Department of Health Economics and Management, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Saied Ghorbani
- Department of Medical Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Seyed Jalal Kiani
- Department of Medical Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Pegah Khales
- Department of Medical Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Student Research Committee, Iran University of Medical Sciences, Tehran, Iran
| | - Abdoulreza Esteghamati
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Shirin Sayyahfar
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Mehrzad Jafarzadeh
- Institute of Endocrinology and Metabolism Research and Training Center, Iran University of Medical Sciences, Tehran, Iran
| | - Sara Minaeian
- Antimicrobial Resistance Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Khadijeh Khanaliha
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Mehri Naghdalipour
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Ahmad Tavakoli
- Department of Medical Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
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11
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Wang L, Xie D, Yu J, Koroma MM, Qiu M, Duan W, Zhang XF, Dai YC. Serological surveillance of noroviruses in a community-based prospective cohort: a study protocol. BMJ Open 2021; 11:e043228. [PMID: 33664074 PMCID: PMC7934767 DOI: 10.1136/bmjopen-2020-043228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
INTRODUCTION Noroviruses are the leading cause of viral acute gastroenteritis affecting all age groups. Since 2014, the previous rarely reported GII.P17-GII.17 and recombinant GII.P16-GII.2 norovirus emerged, replacing GII.4 predominant genotype, causing increased outbreaks in China and other countries. Meanwhile, GII.4/2012 Sydney strain has re-emerged as the dominant variant in many places in 2015-2018. The role of herd immunity as the driving force during these new emerging or re-emerging noroviruses is poorly defined. Serological surveillance studies on community-based prospective cohort on norovirus are highly needed. METHODS AND ANALYSES This study will include 1000 out of 9798 participants aged 18 years and above from Caofeidian district, Tangshan city, northern China. Baseline data on sociodemographic characteristics and blood samples were collected in 2013-2014. Blood collection will be replicated annually throughout the cohort until 2023. Saliva samples were also collected in 2016. The seroprevalence and seroincidence of blockade antibodies against norovirus genotypes of GII.P17-GII.17, GII.P16-GII.2, the re-emerged GII.4/2012 and potential novel pandemic variants will be evaluated by ELISA. Associations between genotype blockade antibodies and sociodemographic factors and human histo-blood group antigens will be evaluated using univariate and multivariate analysis. The dynamics of herd immunity duration will be estimated in this longitudinal surveillance. ETHICS AND DISSEMINATION The study has been approved by the Ethical Committees of the Staff Hospital of Jidong oil-field of China National Petroleum Corporation. This study will provide insight into the seroprevalence and seroincidence of noroviruses, and their relationships with sociodemographic characteristics and genetic susceptibility. It will also explain herd immunity of the emerged and re-emerged genotypes or variants. The study will further enable an understanding of the mechanism driving the replacement of norovirus genotypes. Research findings will be disseminated in peer-reviewed journals and at scientific meetings.
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Affiliation(s)
- Lu Wang
- Department of Epidemiology,Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Dongjie Xie
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Jingrong Yu
- Department of Epidemiology,Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Mark Momoh Koroma
- Department of Epidemiology,Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Mengsi Qiu
- Department of Epidemiology,Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Wentao Duan
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Xu-Fu Zhang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Ying-Chun Dai
- Department of Epidemiology,Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
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