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Eldesouki RE, Kishk RM, Abd El-Fadeal NM, Mahran RI, Kamel N, Riad E, Nemr N, Kishk SM, Mohammed EAM. Association of IL-10-592 C > A /-1082 A > G and the TNFα -308 G > A with susceptibility to COVID-19 and clinical outcomes. BMC Med Genomics 2024; 17:40. [PMID: 38287362 PMCID: PMC10826193 DOI: 10.1186/s12920-023-01793-4] [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: 10/28/2023] [Accepted: 12/31/2023] [Indexed: 01/31/2024] Open
Abstract
BACKGROUND Variation in host immune responses to SARS-CoV-2 is regulated by multiple genes involved in innate viral response and cytokine storm emergence like IL-10 and TNFa gene polymorphisms. We hypothesize that IL-10; -592 C > A and - 1082 A > G and TNFa-308 G > A are associated with the risk of SARS-COV2 infections and clinical outcome. METHODS Genotyping, laboratory and radiological investigations were done to 110 COVID-19 patients and 110 healthy subjects, in Ismailia, Egypt. RESULTS A significant association between the - 592 A allele, A containing genotypes under all models (p < 0.0001), and TNFa A allele with risk to infection was observed but not with the G allele of the - 1082. The - 592 /-1082 CG and the - 592 /-1082/ -308 CGG haplotypes showed higher odds in COVID-19 patients. Severe lung affection was negatively associated with - 592, while positive association was observed with - 1082. Higher D-dimer levels were strongly associated with the - 1082 GG genotype. Survival outcomes were strongly associated with the GA genotype of TNFa. -308 as well as AGG and AAA haplotypes. CONCLUSION IL-10 and TNFa polymorphisms should be considered for clinical and epidemiological evaluation of COVID-19 patients.
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Affiliation(s)
- Raghda E Eldesouki
- Genetics Unit, Histology Department, Faculty of Medicine, Suez Canal University, 41522, Ismailia, Egypt.
| | - Rania M Kishk
- Microbiology and immunology Department, Faculty of Medicine, Suez Canal University, Ismaila, Egypt
| | - Noha M Abd El-Fadeal
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Suez Canal University, Ismaila, Egypt
- Biochemistry Department, Ibn Sina National College for Medical Studies, Jeddah, Kingdom of Saudi Arabia
| | - Rama I Mahran
- Clinical Pharmacology Department, Faculty of Medicine, Suez Canal University, Ismaila, Egypt
| | - Noha Kamel
- Clinical Pathology Department, Faculty of Medicine, Suez Canal University, Ismaila, Egypt
| | - Eman Riad
- Pulmonology Unit, Internal Medicine Department, Faculty of Medicine, Suez Canal University, Ismaila, Egypt
| | - Nader Nemr
- Endemic and Infectious Diseases Department, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Safaa M Kishk
- Pharmaceutical Medicinal Chemistry Department, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
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Salazar Flórez JE, Segura Cardona ÁM, Restrepo Jaramillo BN, Arboleda Naranjo M, Giraldo Cardona LS, Echeverri Rendón ÁP. Immune system gene polymorphisms associated with severe dengue in Latin America: a systematic review. Rev Inst Med Trop Sao Paulo 2023; 65:e58. [PMID: 38055376 DOI: 10.1590/s1678-9946202365058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 04/25/2023] [Indexed: 12/08/2023] Open
Abstract
One of the main challenges in the clinical management of dengue is the early identification of cases that could progress to severe forms of the disease. A biomarker that may enable this identification is the presence of genetic polymorphisms in genes associated with immune responses. The objective of this study was to perform a systematic review of the Latin American literature on these genes. An electronic literature search was carried out in PubMed, Scopus, Lilacs, and the Virtual Health Library, and reference lists of systematic reviews in the area. Case-control studies conducted in Latin American countries examining at least one form of genetic polymorphism related to immune responses against severe dengue were included. In total, 424 articles were identified and 26 were included in this systematic review. Of the 26 selected articles, 16 reported polymorphisms associated with the risk of developing severe dengue (Risk); Similarly, 16 articles reported polymorphisms associated with a decreased risk of severe dengue (Protective). The final analysis revealed that multiple polymorphisms in immune system genes were early markers of the progression of dengue in Latin Americans and found that polymorphisms of the TNF-alpha gene may have a critical role in dengue pathogenesis.
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Affiliation(s)
- Jorge Emilio Salazar Flórez
- Universidad CES, Grupo de Epidemiología y Bioestadística, Medellín, Colombia
- Fundación Universitaria San Martín, Grupo GEINCRO, Sabaneta, Colombia
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Eloisa Monroy-Muñoz I, Esteban Muñoz-Medina J, Manuel Fragoso J, Esperanza Santacruz-Tinoco C, Sevilla-Montoya R, Hidalgo-Bravo A, Montes-Herrera D, Bravo-Flores E, Angeles-Martínez J. Genetic polymorphisms rs1800871 and rs1800872 of IL-10 gene are associated with dengue infection, especially with serotype 1 and DwoWS in Mexican population. Cytokine 2023; 166:156194. [PMID: 37015157 DOI: 10.1016/j.cyto.2023.156194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 02/16/2023] [Accepted: 03/26/2023] [Indexed: 04/04/2023]
Abstract
INTRODUCTION Dengue infection is generated by a complex interaction between DENV (Dengue Virus) and the host's immune response. Interleukin-10 is an immunoregulatory cytokine during DENV infection. The objective of this study was to investigate whether genetic variants in IL-10 could be useful as a predictive and susceptibility marker in the prognosis of DENV infection, particularly with serotype 1, and in participants with dengue without warning signs. MATERIAL AND METHODS A study of cases (n = 365) and controls (n = 364) was carried out. Genotyping was performed by real-time PCR using TaqMan probes. Sample size power was calculated using Quanto software RESULTS: This is the first report showing the independent association of the T allele of rs1800871 (P = 0.023) and the A allele of rs1800872 (P = 0.010) with the risk of dengue infection. Statistical analysis established the genotypic association of IL-10 SNPs with DENV infection under different inheritance models. Our results also showed the association of the CC, TC, and CA haplotypes (P = 0.0064, P = 0.0032, and P = 0.0010 respectively) with infection. Furthermore, both polymorphic sites were associated with the risk of DwoWS and serotype 1 (Den-1) under different inheritance models. Finally, under the dominant model, we identified a positive correlation between IL-10 levels vs. IFN-γ and IL-8. CONCLUSION Our results show the first independent association of the T and A alleles of the polymorphic sites rs1800871 and rs1800872, with dengue infection, particularly with Den-1, and in participants with DwoWs.
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Leal ALAB, da Silva FA, Shin JI, Jeong GH, Ferreira GP, Vasconcelos DFP, Monteiro JRS, de Sousa AA, da Silva FRP, da Cunha Pereira ACT. Polymorphisms in immune-mediator genes and the risk of dengue virus infection: Lights from a systematic revaluation by Bayesian approaches. Cytokine 2022; 157:155955. [DOI: 10.1016/j.cyto.2022.155955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/28/2022] [Accepted: 06/24/2022] [Indexed: 11/03/2022]
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Ali HN, Niranji SS, Al‐Jaf SMA. Association of tumor necrosis factor alpha ‐308 single nucleotide polymorphism with SARS CoV‐2 infection in an Iraqi Kurdish population. J Clin Lab Anal 2022; 36:e24400. [PMID: 35373411 PMCID: PMC9102518 DOI: 10.1002/jcla.24400] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 12/26/2022] Open
Abstract
Uncovering risk factors playing roles in the severity of Coronavirus disease 2019 (Covid‐19) are important for understanding pathoimmunology of the disease caused by severe acute respiratory syndrome Coronavirus 2 (SARS CoV‐2). Genetic variations in innate immune genes have been found to be associated with Covid‐19 infections. A single‐nucleotide polymorphism (SNP) in a promoter region of tumor necrosis factor alpha (TNF‐α) gene, TNF‐α −308G>A, increases expression of TNF‐α protein against infectious diseases leading to immune dysregulations and organ damage. This study aims to discover associations between TNF‐α −308G>A SNP and Covid‐19 infection. Polymerase chain reaction‐restriction fragment length polymorphism (PCR‐RFLP) was used for genotyping a general Kurdish population and Covid‐19 patients. The homozygous mutant (AA) genotype was found to be rare in the current studied population. Interestingly, the heterozygous (GA) genotype was significantly (p value = 0.0342) higher in the Covid‐19 patients than the general population. This suggests that TNF‐α −308G>A SNP might be associated with Covid‐19 infections. Further studies with larger sample sizes focusing on different ethnic populations are recommended.
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Affiliation(s)
| | - Sherko S. Niranji
- College of Medicine University of Garmian Kalar Iraq
- Coronavirus Research and Identification Laboratory University of Garmian Kalar Iraq
- Department of Biology College of Education University of Garmian Kalar Iraq
| | - Sirwan M. A. Al‐Jaf
- College of Medicine University of Garmian Kalar Iraq
- Coronavirus Research and Identification Laboratory University of Garmian Kalar Iraq
- Department of Biology College of Education University of Garmian Kalar Iraq
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Ellwanger JH, Cardoso JDC, Chies JAB. Variability in human attractiveness to mosquitoes. CURRENT RESEARCH IN PARASITOLOGY & VECTOR-BORNE DISEASES 2021; 1:100058. [PMID: 35284885 PMCID: PMC8906108 DOI: 10.1016/j.crpvbd.2021.100058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 10/20/2021] [Accepted: 10/27/2021] [Indexed: 12/21/2022]
Abstract
Blood-feeding mosquitoes locate humans spatially by detecting a combination of human-derived chemical signals, including carbon dioxide, lactic acid, and other volatile organic compounds. Mosquitoes use these signals to differentiate humans from other animals. Spatial abiotic factors (e.g. humidity, heat) are also used by mosquitoes to find a host. Mosquitoes cause discomfort and harm to humans, being vectors of many pathogens. However, not all humans suffer from mosquito bites with the same frequency or intensity. Some individuals are more attractive to mosquitoes than others, and this has an important impact on the risk of infection by pathogens transmitted by these vectors, such as arboviruses and malaria parasites. Variability in human attractiveness to mosquitoes is partially due to individual characteristics in the composition and intensity in the release of mosquito attractants. The factors that determine these particularities are diverse, modestly understood and still quite controversial. Thus, this review discusses the role of pregnancy, infection with malaria parasites (Plasmodium spp.), skin microbiota, diet, and genetics in human attractiveness to mosquitoes. In brief, pregnancy and Plasmodium infection increase the host attractiveness to mosquitoes. Skin microbiota and human genetics (especially HLA alleles) modulate the production of mosquito attractants and therefore influence individual susceptibility to these insects. There is evidence pointing to a role of diet on human susceptibility to mosquitoes, with some dietary components having a bigger influence than others. In the last part of the review, other factors affecting human-mosquito interactions are debated, with a special focus on the role of mosquito genetics, pathogens and environmental factors (e.g. wind, environmental disturbances). This work highlights that individual susceptibility to mosquitoes is composed of interactions of different human-associated components, environmental factors, and mosquito characteristics. Understanding the importance of these factors, and how they interact with each other, is essential for the development of better mosquito control strategies and studies focused on infectious disease dynamics. Individual human attractiveness to mosquitoes is highly variable. Mosquito attractants released into the air vary from person to person. Variation in attractiveness to mosquitoes alters the risk of mosquito-borne infections. Pregnancy, malaria infection, skin microbiota and genetic factors alter the release of mosquito attractants. Environment and mosquito-related factors affect human–mosquito interactions.
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Affiliation(s)
- Joel Henrique Ellwanger
- Laboratório de Imunobiologia e Imunogenética, Programa de Pós-Graduação em Genética e Biologia Molecular - PPGBM, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
- Corresponding author.
| | - Jáder da Cruz Cardoso
- Divisão de Vigilância Ambiental em Saúde, Centro Estadual de Vigilância em Saúde, Secretaria da Saúde do Estado do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - José Artur Bogo Chies
- Laboratório de Imunobiologia e Imunogenética, Programa de Pós-Graduação em Genética e Biologia Molecular - PPGBM, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Rio Grande do Sul, Brazil
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de Moura EL, Dos Santos ACM, da Silva DM, Dos Santos BB, Figueredo DDS, Moura AWA, da Silva AF, Tanabe ISB, de Lira Tanabe EL, Lira Neto AB, Pereira E Silva AC, de Carvalho Fraga CA, de Lima Filho JL, de Farias KF, Martins de Souza EV. Association of Polymorphisms in Cytokine genes with susceptibility to Precancerous Lesions and Cervical Cancer: A systematic review with meta-analysis. Immunol Invest 2020; 50:492-526. [PMID: 32602796 DOI: 10.1080/08820139.2020.1778023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Objectives: This study investigated the relationship between single-nucleotide polymorphisms (SNPs) in cytokine genes and the susceptibility to Squamous Intraepithelial Lesions (SIL), cervical cancer and HPV infection through a systematic review with meta-analysis. To verify the effect of SNPs, we also analyzed the transcription factor binding affinity using bioinformatics tools.Methods: Seven electronic databases (MEDLINE, Scielo, BIREME, PubMed, Scopus, Web of Science and Science Direct) were searched for case-control studies.Results: A total of 35 relevant case-control studies were meta-analyzed, including 7 cytokine genes and 15 SNPs. SNPs in IL-17A (rs2275913, rs3748067); IL-17 F (rs763780); IL-12A (rs568408); IL-12B (rs3212227); TNFA (rs1800629, rs361525); IL-1B (rs16944); IL-6 (rs1800795); IL-10 (rs1800896) genes were associated with increased risk for cervical cancer. No association was observed between meta-analyzed polymorphisms and SIL. Additional bioinformatics analysis suggested a possible transcriptional regulation pathway of the TNFA and IL-10 genes through the MZF1 (TNFA -308 G > A and IL-10 - 1082A>G) and ZNF263 (TNFA -238 G > A) transcription factors binding.Conclusion: Overall, 10 SNPs in cytokine genes were associated with increased risk for cervical cancer. Therefore, in our meta-analysis, these SNPs demonstrated to be potential biomarkers for predicting or identifying cases of high risk for SIL and cervical cancer.
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Affiliation(s)
- Edilson Leite de Moura
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil.,Post-graduation Program in Health Science, Institute of Biological Sciences and Health (ICBS), Federal University of Alagoas (UFAL), Maceió, Alagoas, Brazil
| | - Ana Caroline Melo Dos Santos
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil.,Post-graduation Program in Health Science, Institute of Biological Sciences and Health (ICBS), Federal University of Alagoas (UFAL), Maceió, Alagoas, Brazil
| | - Denise Macedo da Silva
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil.,Post-graduation Program in Health Science, Institute of Biological Sciences and Health (ICBS), Federal University of Alagoas (UFAL), Maceió, Alagoas, Brazil
| | - Bruna Brandão Dos Santos
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil.,Post-graduation Program in Health Science, Institute of Biological Sciences and Health (ICBS), Federal University of Alagoas (UFAL), Maceió, Alagoas, Brazil
| | | | - Alexandre Wendell Araújo Moura
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil
| | - Adriely Ferreira da Silva
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil
| | - Ithallo Sathio Bessoni Tanabe
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil.,Post-graduation Program in Health Science, Institute of Biological Sciences and Health (ICBS), Federal University of Alagoas (UFAL), Maceió, Alagoas, Brazil
| | - Eloiza Lopes de Lira Tanabe
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil.,Post-graduation Program in Health Science, Institute of Biological Sciences and Health (ICBS), Federal University of Alagoas (UFAL), Maceió, Alagoas, Brazil
| | - Abel Barbosa Lira Neto
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil.,Post-graduation Program in Health Science, Institute of Biological Sciences and Health (ICBS), Federal University of Alagoas (UFAL), Maceió, Alagoas, Brazil
| | - Aline Cristine Pereira E Silva
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil
| | - Carlos Alberto de Carvalho Fraga
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil.,Faculty of Medicine, Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil
| | - José Luiz de Lima Filho
- Laboratory Keizo Asami of Immunopathology (LIKA), Federal University of Pernambuco, Recife, Pernambuco, Brazil
| | - Karol Fireman de Farias
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil
| | - Elaine Virginia Martins de Souza
- Laboratory of Molecular Biology and Gene Expression (LABMEG), Federal University of Alagoas (UFAL), Arapiraca, Alagoas, Brazil.,Post-graduation Program in Health Science, Institute of Biological Sciences and Health (ICBS), Federal University of Alagoas (UFAL), Maceió, Alagoas, Brazil
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8
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Bucardo F, Reyes Y, Morales M, Briceño R, González F, Lundkvist Å, Svensson L, Nordgren J. Association of Genetic Polymorphisms in DC-SIGN, Toll-Like Receptor 3, and Tumor Necrosis Factor α Genes and the Lewis-Negative Phenotype With Chikungunya Infection and Disease in Nicaragua. J Infect Dis 2020; 223:278-286. [DOI: 10.1093/infdis/jiaa364] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 06/18/2020] [Indexed: 12/14/2022] Open
Abstract
AbstractBackgroundChikungunya infections range from subclinical infection to debilitating arthralgia and to chronic inflammatory rheumatism. Tumor necrosis factor (TNF) α, DC-SIGN (dendritic cell–specific intercellular adhesion molecule 3–grabbing nonintegrin), Toll-like receptor (TLR) 3, and blood groups have been directly or indirectly implicated in the susceptibility and pathogenesis of chikungunya.MethodsTo test the hypothesis that polymorphisms in genes coding for these molecules determine clinical outcomes of chikungunya infection, a retrospective case-control study was performed in León, Nicaragua. The study included 132 case patients and 132 controls, matched for age, sex and neighborhood. Case patients had clinical symptoms of chikungunya, which was diagnosed by means of polymerase chain reaction. Controls were individuals not reporting abrupt presentation of clinical chikungunya-like symptoms. Polymorphisms were identified by TaqMan single-nucleotide polymorphism genotyping assays.ResultsAfter adjustment for sociodemographic risk factors, chikungunya disease was associated with polymorphism in DC-SIGN and TLR3 genes (odds ratios, 5.2 and 3.3, respectively), and TNF-α with reduced persistent joint pain (0.24). Persistent joint pain was also associated with age, female sex and other comorbid conditions. Most interestingly, the Lewis-negative phenotype was strongly associated with both symptomatic chikungunya and immunoglobulin G seropositivity (odds ratios, 2.7, and 3.3, respectively).ConclusionThis study identified polymorphisms in DC-SIGN, TLR3, and TNF-α genes as well as Lewis-negative phenotype as risk factors for chikungunya infection and disease progression.
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Affiliation(s)
- Filemón Bucardo
- Department of Microbiology, Faculty of Medical Science, National Autonomous University of Nicaragua, León, Nicaragua (UNAN-León)
| | - Yaoska Reyes
- Department of Microbiology, Faculty of Medical Science, National Autonomous University of Nicaragua, León, Nicaragua (UNAN-León)
| | - Marlen Morales
- Department of Microbiology, Faculty of Medical Science, National Autonomous University of Nicaragua, León, Nicaragua (UNAN-León)
| | - Rafaela Briceño
- Sistema Local de Atención Integral en Salud, Ministry of Health León, León, Nicaragua
| | - Fredman González
- Department of Microbiology, Faculty of Medical Science, National Autonomous University of Nicaragua, León, Nicaragua (UNAN-León)
| | - Åke Lundkvist
- Zoonosis Science Center, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden
| | - Lennart Svensson
- Division of Molecular Virology, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
- Department of Medicine, Karolinska Institute, Stockholm, Sweden
| | - Johan Nordgren
- Division of Molecular Virology, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
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Asgharzadeh M, Fadaee M, Leylabadlo HE, Mahdavi Poor B, Rashedi J, Asgharzadeh V, Vegari A, Shokouhi B, Ghalelou NN, Kafil HS. TNF-α gene polymorphism in Iranian Azeri population. GENE REPORTS 2020. [DOI: 10.1016/j.genrep.2020.100651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Ferreira JM, Santos LDS, Oliveira SP, Dos Santos BRC, Dos Santos ACM, de Moura EL, de Souza EVM, de Lima Filho JL. Chikungunya Virus Infection Outcome: A Systematic Review of Host Genetics. Immunol Invest 2020; 50:58-79. [PMID: 32204641 DOI: 10.1080/08820139.2020.1733011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Background: Chikungunya virus (CHIKV) is a global concern, inducing chikungunya fever and trigging an arthritogenic chronic phase beyond some severe forms. Outcomes of CHIKV infections in humans are dependent on genetic variations. Here, a systematic review was performed to show evidence of genetic variations on infection outcomes of patients. Methods: Searches were performed in Scopus, SciELO, MEDLINE/PubMed, Web of Science, OneFile (GALE), Periódicos CAPES and ScienceDirect Journals databases. The PICOS approach was used to assess the eligibility of records. A meta-analysis was also conducted to show an association between described alleles/genes and CHIKV infection outcome. Results: Reviews of genetic variants were conducted on genes: CD 209, OAS1, OAS2, OAS3, MIF, TLR-3, TLR-7, TLR-8, MYD-88, KIR, HLA-B; HLA-C; DRB1 and DQB1. Studies were performed on Gabon, Singapore, and India, including Indians, Malay, Gabonese and Chinese ethnicities and published between 2009-2017. The meta-analysis was performed with DRB1 *01; *03; *04; *07; *10; *11; *13; *14 and *15 and DQB1 *02; *03; *05 and *06 alleles with Indian population sample. Sampling power was >80% and a significant positive association between DRB1*14 and CHIKV infection was found (OR = 1.67, 95% CI = 1.04-2.67; p = .03). Conclusion: Majority of the studies were conducted in India. Meta-analysis suggests that DRB1*14 is related to the susceptibility of symptomatic CHIKV infection in Indian population. The literature about CHIKV infection and genetic variations is scarce. The precise role of genetic variation in CHIKV is not clear yet. Further studies are necessary to provide more concrete evidences.
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Affiliation(s)
- Jean Moisés Ferreira
- Laboratório de Imunopatologia Keizo Asami - LIKA, Centro de Biociências, Universidade Federal de Pernambuco (UFPE) , Recife, Pernambuco, Brazil
| | - Leandro Douglas Silva Santos
- Laboratório de Biologia Molecular E Expressão Gênica - LABMEG, Universidade Federal de Alagoas (UFAL) - Campus Arapiraca , Arapiraca, Alagoas, Brazil
| | - Susana Paiva Oliveira
- Laboratório de Biologia Molecular E Expressão Gênica - LABMEG, Universidade Federal de Alagoas (UFAL) - Campus Arapiraca , Arapiraca, Alagoas, Brazil
| | - Bárbara Rayssa Correia Dos Santos
- Laboratório de Biologia Molecular E Expressão Gênica - LABMEG, Universidade Federal de Alagoas (UFAL) - Campus Arapiraca , Arapiraca, Alagoas, Brazil
| | - Ana Caroline Melo Dos Santos
- Laboratório de Biologia Molecular E Expressão Gênica - LABMEG, Universidade Federal de Alagoas (UFAL) - Campus Arapiraca , Arapiraca, Alagoas, Brazil
| | - Edilson Leite de Moura
- Laboratório de Biologia Molecular E Expressão Gênica - LABMEG, Universidade Federal de Alagoas (UFAL) - Campus Arapiraca , Arapiraca, Alagoas, Brazil
| | - Elaine Virginia Martins de Souza
- Laboratório de Biologia Molecular E Expressão Gênica - LABMEG, Universidade Federal de Alagoas (UFAL) - Campus Arapiraca , Arapiraca, Alagoas, Brazil
| | - José Luiz de Lima Filho
- Laboratório de Imunopatologia Keizo Asami - LIKA, Centro de Biociências, Universidade Federal de Pernambuco (UFPE) , Recife, Pernambuco, Brazil
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Kazemi S, Vaisi-Raygani A, Keramat F, Saidijam M, Soltanian AR, Alahgholi-Hajibehzad M, Hashemi SH, Alikhani MY. Evaluation of the relationship between IL-12, IL-13 and TNF-α gene polymorphisms with the susceptibility to brucellosis: a case control study. BMC Infect Dis 2019; 19:1036. [PMID: 31818255 PMCID: PMC6902342 DOI: 10.1186/s12879-019-4678-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 11/29/2019] [Indexed: 12/18/2022] Open
Abstract
Background The cytokine gene polymorphism is important for the genetic susceptibility of infectious diseases. The aim of the present study was to investigate the relationship between TNF-α, IL-12, and IL-13 gene polymorphisms and predisposition to brucellosis. Methods In this study, 107 patients with brucellosis and 107 healthy individuals were evaluated. The SNPs of TNF-α)- 238 G/A) and IL-12 (+ 1188 A/C) were done by amplification refractory mutation system-polymerase chain reaction (ARMS-PCR) and IL-13 genotyping at positions − 1512 (A/C) and − 1112 (C/T) were analysis by restriction fragment length polymorphism-polymerase chain reaction (RFLP-PCR) methods. IL-12, IL-13 and TNF-α serum levels were measured by a sandwich enzyme-linked immunosorbent assay (ELISA). Results IL-13 (−1512A/C) was associated with Brucellosis risk in dominant model (OR (95% CI) = 2.17 (1.02–4.62)), P-value = 0.041. However, there was no difference in allele and genotype frequencies of TNF-α)- 238 G/A), IL-12 (+ 1188 A/C) and IL-13 [− 1512 (A/C) and − 1112 (C/T)] between patients and controls. Serum levels of IL-12 and TNF-α were significantly more frequent in the patients than in the control groups. Conclusions The IL-13 gene polymorphism can be used as a biomarker for detecting susceptibility to Brucella disease.
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Affiliation(s)
- Sima Kazemi
- Department of Microbiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Asad Vaisi-Raygani
- Department of Clinical Biochemistry, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fariba Keramat
- Brucellosis Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Massoud Saidijam
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ali Reza Soltanian
- Department of Biostatistics and Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
| | | | - Seyed Hamid Hashemi
- Brucellosis Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohammad Yousef Alikhani
- Department of Microbiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran. .,Brucellosis Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
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12
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Kang SW, Kim SK, Han YR, Hong D, Chon J, Chung JH, Hong SJ, Park MS, Ban JY. Promoter Polymorphism (-308G/A) of Tumor Necrosis Factor-Alpha ( TNF-α) Gene and Asthma Risk: An Updated Meta-Analysis. Genet Test Mol Biomarkers 2019; 23:363-372. [PMID: 31161819 DOI: 10.1089/gtmb.2018.0238] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background and Aims: The relationship between the promoter polymorphism (-308G/A) of the tumor necrosis factor-alpha (TNF-α) gene and the susceptibility to asthma has been tested in several studies. However, the results have been inconsistent. Therefore, we performed an updated meta-analysis to evaluate the relationship between this promoter polymorphism of the TNF-α gene and the risk of asthma. Methods: Fifty case-control studies were included in this meta-analysis which provided 17,937 controls and 9961 asthma patients. The pooled p-value, odds ratio (OR), and 95% confidence interval (95% CI) were used to investigate the strength of the association of this polymorphism of the TNF-α gene with the risk of asthma. The meta-analysis was carried out by Comprehensive Meta-Analysis software. Results: The results of our meta-analysis revealed that the TNF-α polymorphism (-308, G/A) was strongly associated with the risk of asthma (p < 0.05 in the allelic, dominant, and recessive models, respectively). In further analyses, based on age group and ethnicity, we observed this association for all subpopulations examined (p < 0.05 in allelic, dominant, and recessive models, respectively). Conclusion: This large-scale meta-analysis supports a strong association between the TNF-α gene promoter polymorphism (-308G/A) and the development to asthma in both children and adults.
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Affiliation(s)
- Sang Wook Kang
- 1 Department of Dental Pharmacology, School of Dentistry, Dankook University, Cheonan, Republic of Korea
| | - Su Kang Kim
- 2 Department of Biomedical Laboratory Science, Catholic Kwandong University, Gangneung, Republic of Korea
| | - Young Rok Han
- 3 Department of Physical Medicine and Rehabilitation, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - DongWhan Hong
- 3 Department of Physical Medicine and Rehabilitation, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Jinmann Chon
- 3 Department of Physical Medicine and Rehabilitation, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Joo-Ho Chung
- 4 Kohwang Medical Research Institute, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Seoung-Jin Hong
- 5 Department of Prosthodontics, Kyung Hee University Dental Hospital, Seoul, Republic of Korea
| | - Min-Su Park
- 6 Department of Surgery, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Ju Yeon Ban
- 1 Department of Dental Pharmacology, School of Dentistry, Dankook University, Cheonan, Republic of Korea
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13
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Genetic Determinants of the Re-Emergence of Arboviral Diseases. Viruses 2019; 11:v11020150. [PMID: 30759739 PMCID: PMC6410223 DOI: 10.3390/v11020150] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 02/03/2019] [Accepted: 02/06/2019] [Indexed: 01/06/2023] Open
Abstract
Mosquito-borne diseases constitute a large portion of infectious diseases, causing more than 700,000 deaths annually. Mosquito-transmitted viruses, such as yellow fever, dengue, West Nile, chikungunya, and Zika viruses, have re-emerged recently and remain a public health threat worldwide. Global climate change, rapid urbanization, burgeoning international travel, expansion of mosquito populations, vector competence, and host and viral genetics may all together contribute to the re-emergence of arboviruses. In this brief review, we summarize the host and viral genetic determinants that may enhance infectivity in the host, viral fitness in mosquitoes and viral transmission by mosquitoes.
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14
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Association of polymorphisms in serotonin and nitric oxide genes with clinical outcome of dengue in Brazilian northeast population. Acta Trop 2019; 190:144-148. [PMID: 30452889 DOI: 10.1016/j.actatropica.2018.11.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 11/05/2018] [Accepted: 11/14/2018] [Indexed: 11/24/2022]
Abstract
Serotonin and nitric oxide seem to be involved in Dengue virus infection. The aim of this study was to investigate if SNPs in serotonin and nitric oxide are associated with dengue severity. A retrospective case-control study was conducted, with groups of dengue fever (DF; n = 78) and dengue hemorrhagic fever patients (DHF; n = 49). Genotyping was performed using qPCR and PCR. The power of the sample size was calculated by G*power software. The heterozygous SL for 5-HTTLPR SNP was significantly correlated with protection against progression to DHF in the codominant SS/SL/LL (OR = 0.22, 95% CI = 0.06-0.81, p = 0.011) and overdominant models SL vs SS + LL (OR = 0.19, 95% CI = 0.06-0.65, p = 0.003). For the ENOS (rs1799983) SNP, the genotype GT was positively associated with protection for development of the clinical form in DHF compared to dengue fever (OR = 0.39, 95% CI = (0.13-1.14), p = 0.0058) in codominant GG/GT/TT and overdominant model GT vs GG + TT (OR = 0.35, 95% CI = (0.12-1.02), p = 0.04). To our knowledge, this is the first study to identify the association of the serotonin and nitric oxide SNPs with dengue severity.
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15
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Sun MH, Sun LQ, Guo GL, Zhang S. Tumour necrosis factor-α gene -308 G > A and -238 G > A polymorphisms are associated with susceptibility to irritable bowel syndrome and drug efficacy in children. J Clin Pharm Ther 2018; 44:180-187. [PMID: 30578560 DOI: 10.1111/jcpt.12775] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 09/05/2018] [Accepted: 10/12/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Mei-Hua Sun
- Department of Pediatric; The First Hospital of Jilin University; Changchun China
| | - Li-Qun Sun
- Department of Pediatric; The First Hospital of Jilin University; Changchun China
| | - Gong-Liang Guo
- Department of Cardiology; China-Japan Union Hospital of Jilin University; Changchun China
| | - Sai Zhang
- Department of Pediatric; The First Hospital of Jilin University; Changchun China
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16
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Naing C, Htet NH, Siew Tung W, Basavaraj AK, Mak JW. Association of tumour necrosis factor-α (TNF-α) gene polymorphisms (-308 G>A and -238 G>A) and the risk of severe dengue: A meta-analysis and trial sequential analysis. PLoS One 2018; 13:e0205413. [PMID: 30300401 PMCID: PMC6177181 DOI: 10.1371/journal.pone.0205413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 09/25/2018] [Indexed: 11/19/2022] Open
Abstract
Individual studies have assessed the association between TNF-α-308G>A and TNF-α-238 G>A polymorphisms and severity of dengue infection. However, the results are inconclusive and most studies had small sample sizes. The objective of this study was to summarize the evidence of association between TNF-α-308 G>A and TNF-α-238 G>A and severity of dengue infection. This study follows the preferred reporting items for systematic reviews and meta- analyses of genetic association studies, recommended by PLOS One. We calculated pooled odds ratio and its 95% confidence interval (CI) to estimate the association between TNF-α-308 G>A or TNF-α-238 G>A and the risk of severe dengue infections. To determine the information size required for this meta-analysis study, a trial sequential analysis (TSA) was done. Eight studies (640 cases and 1275 controls), which assessed the association of TNF-α-308 G>A or TNF-α-238 G>A and the risk of DHF were included. Overall, we found no significant association between TNF-α-308 G>A and the DHF risk in the allelic model (OR, 0.91; 95% CI, 0.51-1.63), the recessive model (OR,1.32;95%CI,0.73-2.37), the dominant model (OR,0.93;95%CI:0.59-1.47) or the additive model (OR,1.43,95;95%CI:0.79-2.59). There was also no significant association between TNF-α-238 G>A and DHF risk under the allele contrast model (OR:1.51;95%CI:0.88-2.58), the recessive model (OR,1.48,95% CI:0.33-6.58), the dominant model (OR,1.48;95%CI:0.56-3.92), or the additive model (OR:1.5;95%CI:0.34-6.69). On subgroup analysis, neither the Asian population nor the non-Asian population showed significant association between TNF-α-308 G>A/TNF-α-238 G>A and the DHF risk under any genetic models. Leave-one-out meta-analysis showed stability of the results. TSA plots suggested that the sample size in this meta-analysis study was below the required information size. The findings suggest an inclusive evidence of the association between TNF-α-308/ TNF-α-238 G>A and the risk of developing severe dengue infection. Large studies with evidence of Hardy-Weinberg equilibrium, assessing gene-gene interactions are recommended.
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Affiliation(s)
- Cho Naing
- Institute for Research, Development and Innovation (IRDI), International Medical University, Kuala Lumpur, Malaysia
- Division of Tropical Health and Medicine, James Cook University, Townsville, Australia
| | - Norah Htet Htet
- School of Medicine, International Medical University, Kuala Lumpur, Malaysia
| | - Wong Siew Tung
- School of Medicine, International Medical University, Kuala Lumpur, Malaysia
| | | | - Joon Wah Mak
- Institute for Research, Development and Innovation (IRDI), International Medical University, Kuala Lumpur, Malaysia
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17
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Manet C, Roth C, Tawfik A, Cantaert T, Sakuntabhai A, Montagutelli X. Host genetic control of mosquito-borne Flavivirus infections. Mamm Genome 2018; 29:384-407. [PMID: 30167843 PMCID: PMC7614898 DOI: 10.1007/s00335-018-9775-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 08/20/2018] [Indexed: 12/12/2022]
Abstract
Flaviviruses are arthropod-borne viruses, several of which represent emerging or re-emerging pathogens responsible for widespread infections with consequences ranging from asymptomatic seroconversion to severe clinical diseases and congenital developmental deficits. This variability is due to multiple factors including host genetic determinants, the role of which has been investigated in mouse models and human genetic studies. In this review, we provide an overview of the host genes and variants which modify susceptibility or resistance to major mosquito-borne flaviviruses infections in mice and humans.
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Affiliation(s)
- Caroline Manet
- Mouse Genetics Laboratory, Department of Genomes and Genetics, Institut Pasteur, Paris, France
| | - Claude Roth
- Functional Genetics of Infectious Diseases Unit, Department of Genomes and Genetics, Institut Pasteur, Paris, France
- CNRS, UMR 2000-Génomique Evolutive, Modélisation et Santé, Institut Pasteur, 75015, Paris, France
| | - Ahmed Tawfik
- Functional Genetics of Infectious Diseases Unit, Department of Genomes and Genetics, Institut Pasteur, Paris, France
- CNRS, UMR 2000-Génomique Evolutive, Modélisation et Santé, Institut Pasteur, 75015, Paris, France
| | - Tineke Cantaert
- Immunology Group, Institut Pasteur du Cambodge, International Network of Pasteur Institutes, Phnom Penh, 12201, Cambodia
| | - Anavaj Sakuntabhai
- Functional Genetics of Infectious Diseases Unit, Department of Genomes and Genetics, Institut Pasteur, Paris, France.
- CNRS, UMR 2000-Génomique Evolutive, Modélisation et Santé, Institut Pasteur, 75015, Paris, France.
| | - Xavier Montagutelli
- Mouse Genetics Laboratory, Department of Genomes and Genetics, Institut Pasteur, Paris, France.
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18
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Zhang G, Zhang J, Kuang M, Lin P. The role of TNF alpha polymorphism and expression in susceptibility to nasal polyposis. Immunol Invest 2018; 47:360-371. [PMID: 29388847 DOI: 10.1080/08820139.2018.1433204] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Guimin Zhang
- Department of Otolaryngology-Head and Neck Surgery, Tianjin First Center Hospital, Tianjin, People’s Republic of China
| | - Jinmei Zhang
- Department of Otolaryngology-Head and Neck Surgery, Tianjin First Center Hospital, Tianjin, People’s Republic of China
| | - Manbao Kuang
- Department of Otolaryngology-Head and Neck Surgery, Tianjin First Center Hospital, Tianjin, People’s Republic of China
| | - Peng Lin
- Department of Otolaryngology-Head and Neck Surgery, Tianjin First Center Hospital, Tianjin, People’s Republic of China
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19
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High prevalence of dengue antibodies and the arginine variant of the FcγRIIa polymorphism in asymptomatic individuals in a population of Minas Gerais State, Southeast Brazil. Immunogenetics 2017; 70:355-362. [DOI: 10.1007/s00251-017-1046-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 11/12/2017] [Indexed: 12/30/2022]
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20
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Xavier-Carvalho C, Cardoso CC, de Souza Kehdy F, Pacheco AG, Moraes MO. Host genetics and dengue fever. INFECTION GENETICS AND EVOLUTION 2017; 56:99-110. [PMID: 29133029 DOI: 10.1016/j.meegid.2017.11.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 11/07/2017] [Accepted: 11/09/2017] [Indexed: 12/13/2022]
Abstract
Dengue is a major worldwide problem in tropical and subtropical areas; it is caused by four different viral serotypes, and it can manifest as asymptomatic, mild, or severe. Many factors interact to determine the severity of the disease, including the genetic profile of the infected patient. However, the mechanisms that lead to severe disease and eventually death have not been determined, and a great challenge is the early identification of patients who are more likely to progress to a worse health condition. Studies performed in regions with cyclic outbreaks such as Cuba, Brazil, and Colombia have demonstrated that African ancestry confers protection against severe dengue. Highlighting the host genetics as an important factor in infectious diseases, a large number of association studies between genetic polymorphisms and dengue outcomes have been published in the last two decades. The most widely used approach involves case-control studies with candidate genes, such as the HLA locus and genes for receptors, cytokines, and other immune mediators. Additionally, a Genome-Wide Association Study (GWAS) identified SNPs associated with African ethnicity that had not previously been identified in case-control studies. Despite the increasing number of publications in America, Africa, and Asia, the results are quite controversial, and a meta-analysis is needed to assess the consensus among the studies. SNPs in the MICB, TNF, CD209, FcγRIIA, TPSAB1, CLEC5A, IL10 and PLCE1 genes are associated with the risk or protection of severe dengue, and the findings have been replicated in different populations. A thorough understanding of the viral, human genetic, and immunological mechanisms of dengue and how they interact is essential for effectively preventing dengue, but also managing and treating patients.
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Affiliation(s)
| | - Cynthia Chester Cardoso
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, RJ, Brazil
| | | | | | - Milton Ozório Moraes
- Laboratório de Hanseníase, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, RJ, Brazil.
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21
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Association of TNFA (−308G/A), IFNG (+874 A/T) and IL-10 (−819 C/T) polymorphisms with protection and susceptibility to dengue in Brazilian population. ASIAN PAC J TROP MED 2017; 10:1065-1071. [DOI: 10.1016/j.apjtm.2017.10.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 08/23/2017] [Accepted: 09/24/2017] [Indexed: 11/22/2022] Open
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22
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Pabalan N, Chaisri S, Tabunhan S, Tarasuk M, Jarjanazi H, Steiner T. Associations of tumor necrosis factor-α-308 polymorphism with dengue infection: A systematic review and meta-analysis. Acta Trop 2017; 173:17-22. [PMID: 28495402 DOI: 10.1016/j.actatropica.2017.05.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Revised: 05/04/2017] [Accepted: 05/05/2017] [Indexed: 01/18/2023]
Abstract
Inconsistency of reported associations between the tumor necrosis factor-alpha-308 (TNFα-308) polymorphism (rs1800629) and dengue virus infection prompted a meta-analysis, to obtain more precise estimates. A literature search yielded 14 case-control studies. We calculated pooled odds ratios (OR) and 95% confidence intervals in three groups according to severity, dengue fever (DF), dengue hemorrhagic fever (DHF) and dengue (DEN) using standard genetic models. Pooled ORs were subjected to modifier treatment where re-analysis was confined to Hardy-Weinberg compliant (HWC) studies. Heterogeneity of outcomes warranted examining their sources with outlier treatment. In subgroup analysis, we compared Asian and South/Central American (SCA)/Brazilian effects. Overall pooled outcomes yielded no significant effects (OR 0.66-1.44, P=0.08-0.96). In the dominant-codominant model, pooled effects were heterogeneous (I2=47%-71%) which was lost/reduced (I2=0%-43%) when outlier treatment was applied. This also yielded significant associations (OR 0.68-0.77, P=0.02-0.05). Our results are best seen in the Asian subgroup, which in itself already yielded significant effects in DEN (OR 0.62-0.67, P=0.01-0.02). These reduced risk findings were significant from the tests of interaction (P=0.001-0.02) which highlights the protective effects of TNFα-308 among Asians. TNFα-308 effects on dengue are based on significance and non-heterogeneity of the post-outlier outcomes in the dominant and codominant models. Here, pooled effects may also be ethnic specific, where Asians are protected but not SCA. Both modified and Asian effects are up to 38% protective.
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