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Vargas-Castillo AB, Ruiz-Tovar K, Vivanco-Cid H, Quiroz-Cruz S, Escobar-Gutiérrez A, Cerna-Cortes JF, Vaughan G, Fonseca-Coronado S. Association of Single-Nucleotide Polymorphisms in Immune-Related Genes with Development of Dengue Hemorrhagic Fever in a Mexican Population. Viral Immunol 2017; 31:249-255. [PMID: 29130827 DOI: 10.1089/vim.2017.0069] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Single-nucleotide polymorphisms (SNPs) occurring in immune-related genes have been associated with risk or protection for development of dengue, depending on ethnicity. Here, we genotyped seven SNPs located in immune response-related genes to identify their association with severe forms of dengue in patients from an endemic region in Mexico. One hundred and thirty-eight patients with dengue fever (DF), thirty-one dengue hemorrhagic fever (DHF) patients, as well as 304 healthy donors were genotyped by using a TaqMan-based approach. SNP analysis, including rs1800629 (TNF), rs4804803 (CD209), rs2780831 (JAK1), rs1801274 (FCGR2A), rs231775 (CTLA4), rs12979860, and rs8099917 (IFNL3), was performed. The rs1800629 A-allele in the TNF gene was associated with an increased risk of DHF (OR = 3.4, CI = 1.235-9.284 p = 0.0212) whereas SNPs rs4804803, rs2780831, rs1801274, rs231775, rs12979860, and rs8099917 showed no association in this cohort. These results show that allelic variations in TNF can play an important role in the development of DHF. However, the lack of association between all remaining SNPs and DHF suggests that the genetic background might directly modify the role of these immune-related molecules, leading to the milder illness often observed in a Mexican population.
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Affiliation(s)
- Angélica Berenice Vargas-Castillo
- 1 Laboratorio de Microbiología Molecular, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas del Instituto Politécnico Nacional , Ciudad de México, México .,2 Laboratorio de Inmunobiología de Enfermedades Infecciosas, Unidad de Investigación Multidisciplinaria, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México , Cuautitlán Izcalli, México
| | - Karina Ruiz-Tovar
- 3 Coordinación de Investigaciones Inmunológicas, Instituto de Diagnóstico y Referencia Epidemiológicos , Secretaria de Salud, Ciudad de México, México
| | - Héctor Vivanco-Cid
- 4 Instituto de Investigaciones Médico Biológicas, Universidad Veracruzana , Veracruz, México
| | - Sarai Quiroz-Cruz
- 2 Laboratorio de Inmunobiología de Enfermedades Infecciosas, Unidad de Investigación Multidisciplinaria, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México , Cuautitlán Izcalli, México
| | - Alejandro Escobar-Gutiérrez
- 3 Coordinación de Investigaciones Inmunológicas, Instituto de Diagnóstico y Referencia Epidemiológicos , Secretaria de Salud, Ciudad de México, México
| | - Jorge Francisco Cerna-Cortes
- 1 Laboratorio de Microbiología Molecular, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas del Instituto Politécnico Nacional , Ciudad de México, México
| | - Gilberto Vaughan
- 5 Facultad de Ciencias de la Salud, Centro de Investigación en Ciencias de la Salud (CICSA), Universidad Anáhuac México Norte , Estado de México, México
| | - Salvador Fonseca-Coronado
- 2 Laboratorio de Inmunobiología de Enfermedades Infecciosas, Unidad de Investigación Multidisciplinaria, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México , Cuautitlán Izcalli, México
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