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da Silva Graça Amoras E, de Morais TG, do Nascimento Ferreira R, Gomes STM, de Sousa FDM, de Paula Souza I, Ishak R, Vallinoto ACR, Queiroz MAF. Association of Cytokine Gene Polymorphisms and Their Impact on Active and Latent Tuberculosis in Brazil's Amazon Region. Biomolecules 2023; 13:1541. [PMID: 37892223 PMCID: PMC10605732 DOI: 10.3390/biom13101541] [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: 08/29/2023] [Revised: 10/10/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023] Open
Abstract
Some genetic variations in cytokine genes can alter their expression and influence the evolution of Mycobacterium tuberculosis (Mtb) infection. This study aimed to investigate the association of polymorphisms in cytokine genes and variability in plasma levels of cytokines with the development of tuberculosis (TB) and latent tuberculosis infection (LTBI). Blood samples from 245 patients with TB, 80 with LTBI, and healthy controls (n = 100) were included. Genotyping of the IFNG +874A/T, IL6 -174G/C, IL4 -590C/T, and IL10 -1082A/G polymorphisms was performed by real-time PCR, and cytokine levels were determined by flow cytometry. Higher frequencies of genotypes AA (IFNG +874A/T), GG (IL6 -174G/C), TT (IL4 -590C/T), and GG (IL10 -1082A/G) were associated with an increased risk of TB compared to that of LTBI (p = 0.0027; p = 0.0557; p = 0.0286; p = 0.0361, respectively) and the control (p = <0.0001, p = 0.0021; p = 0.01655; p = 0.0132, respectively). In combination, the A allele for IFNG +874A/T and the T allele for IL4 -590C/T were associated with a higher chance of TB (p = 0.0080; OR = 2.753 and p < 0.0001; OR = 3.273, respectively). The TB group had lower levels of IFN-γ and higher concentrations of IL-6, IL-4, and IL-10. Cytokine levels were different between the genotypes based on the polymorphisms investigated (p < 0.05). The genotype and wild-type allele for IFNG +874A/T and the genotype and polymorphic allele for IL4 -590C/T appear to be more relevant in the context of Mtb infection, which has been associated with the development of TB among individuals infected by the bacillus and with susceptibility to active infection but not with susceptibility to latent infection.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Maria Alice Freitas Queiroz
- Virus Laboratory, Institute of Biological Sciences, Federal University of Pará, Belém 66075-110, Brazil; (E.d.S.G.A.); (T.G.d.M.); (R.d.N.F.); (S.T.M.G.); (F.D.M.d.S.); (I.d.P.S.); (R.I.); (A.C.R.V.)
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Schor D, Porto LC, Roma EH, Quintana MDSB, Fabricio-Silva GM, Bonecini-Almeida MG, Araújo AQC, Andrada-Serpa MJ. Lack of association between single-nucleotide polymorphisms of pro- and anti-inflammatory cytokines and HTLV-1-associated myelopathy / tropical spastic paraparesis development in patients from Rio de Janeiro, Brazil. BMC Infect Dis 2018; 18:593. [PMID: 30466392 PMCID: PMC6251227 DOI: 10.1186/s12879-018-3510-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 11/08/2018] [Indexed: 01/16/2023] Open
Abstract
Background HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) is a progressive neurological and inflammatory disease, associated with HTLV-1 infection. HAM/TSP neurological disease is a consequence of an inflammatory reaction, and adaptive immune responses, through the secretion of anti-inflammatory and pro-inflammatory cytokines, play an important role in the outcome of infection and disease progression. Studies addressing the association between cytokines functional single nucleotide polymorphisms and HAM/TSP development are scarce. Methods The genetic polymorphisms of cytokine genes were evaluated in HAM/TSP patients (n = 68) and in asymptomatic HTLV-1 positive carriers (n = 83) from Rio de Janeiro, Brazil, in a case-control study. HTLV-1 infected patients were genotyped for SNPs in five cytokine genes: TNFA-308G/A, IL6-174G/C, IFNG + 874 T/A, TGFB at the codons + 10 T/C and + 25G/C, IL10-592C/A and -819C/T, and -1082A/G and proviral load (PVL) was quantified. Associations between genotypes, haplotypes, clinical outcome and pro viral load were evaluated. Results Lack of association between the cytokine polymorphisms and disease outcome was observed. The genotypes TNFA-308GG, IL6-174GG/GC, IL10-592AA and -819CC and TGFb1 high producers phenotypes were correlated with higher PVL in HAM/TSP patients versus asymptomatic carriers. Conclusions We did not observe association between cytokine polymorphisms and risk for HAM/TSP development in Brazilian HTLV-1 infected individuals, regardless of differences in PVL between HAM/TSP versus asymptomatic carriers in specific cytokine polymorphisms.
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Affiliation(s)
- Doris Schor
- Laboratory of Immunology and Immunogenetics in Infectious Diseases, Evandro Chagas National Institute of Infectious Diseases, FIOCRUZ, Avenida Brasil, 4365, Manguinhos, Rio de Janeiro, RJ, 21040-360, Brazil.,Laboratory for Clinical Research in Neuroinfections, Evandro Chagas National Institute of Infectious Diseases, FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - Luís Cristóvão Porto
- Histocompatibility and Cryopreservation Laboratory, Policlinica Piquet Carneiro, Rio de Janeiro State University (UERJ), Rio de Janeiro, RJ, Brazil
| | - Eric Henrique Roma
- Laboratory of Immunology and Immunogenetics in Infectious Diseases, Evandro Chagas National Institute of Infectious Diseases, FIOCRUZ, Avenida Brasil, 4365, Manguinhos, Rio de Janeiro, RJ, 21040-360, Brazil.
| | | | - Gustavo Milson Fabricio-Silva
- Histocompatibility and Cryopreservation Laboratory, Policlinica Piquet Carneiro, Rio de Janeiro State University (UERJ), Rio de Janeiro, RJ, Brazil
| | - Maria Gloria Bonecini-Almeida
- Laboratory of Immunology and Immunogenetics in Infectious Diseases, Evandro Chagas National Institute of Infectious Diseases, FIOCRUZ, Avenida Brasil, 4365, Manguinhos, Rio de Janeiro, RJ, 21040-360, Brazil
| | - Abelardo Queiroz-Campos Araújo
- Laboratory for Clinical Research in Neuroinfections, Evandro Chagas National Institute of Infectious Diseases, FIOCRUZ, Rio de Janeiro, RJ, Brazil
| | - Maria Jose Andrada-Serpa
- Laboratory for Clinical Research in Neuroinfections, Evandro Chagas National Institute of Infectious Diseases, FIOCRUZ, Rio de Janeiro, RJ, Brazil
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Qian BX, Ye Q, Zhao XY, Han T, Wang FM, Yang J. Meta-Analysis of the Relation Between IL10 Promoter Polymorphisms and Autoimmune Liver Disease Risk. Genet Test Mol Biomarkers 2018; 22:302-313. [PMID: 29694797 DOI: 10.1089/gtmb.2018.0010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Single nucleotide polymorphisms of the IL10 gene have been linked to the occurrence of autoimmune liver disease. METHODS We performed a meta-analysis to assess the association between three IL10 promoter polymorphisms (rs1800896, rs1800871, and rs1800872) and the risk of autoimmune hepatitis, primary biliary cholangitis, and primary sclerosing cholangitis. RESULTS In total, 1420 articles were initially identified through database retrieval. After screening, seven eligible articles were ultimately included in the meta-analysis. A fixed-effect model was used for all Mantel-Haenszel statistics due to the absence of large between-study heterogeneity (all I2 < 50%, p > 0.1). No association between any of the studied polymorphisms and risk of autoimmune liver disease was detected in the allele, homozygote, heterozygote, dominant, recessive, or carrier genetic models (passociation > 0.05). Potential publication bias was excluded using Begg's and Egger's tests. Similar negative results were observed in subgroup analyses and in an analysis of the three haplotypes of rs1800896/rs1800871/rs1800872 (G/C/C, A/C/C, and A/T/A). CONCLUSION Our meta-analysis strongly suggests that the IL10 rs1800896, rs1800871, and rs1800872 polymorphisms are not associated with the risk of autoimmune liver disease.
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Affiliation(s)
- Bao-Xin Qian
- 1 School of Basic Medical Sciences, Tianjin Medical University , Tianjin, P.R. China .,2 Research Center of Basic Medical Science, Tianjin Medical University , Tianjin, P.R. China .,3 The Third Central Clinical College of Tianjin Medical University , Tianjin, P.R. China .,4 Department of Gastroenterology and Herpetology, Tianjin Third Central Hospital , Tianjin, P.R. China
| | - Qing Ye
- 3 The Third Central Clinical College of Tianjin Medical University , Tianjin, P.R. China .,4 Department of Gastroenterology and Herpetology, Tianjin Third Central Hospital , Tianjin, P.R. China
| | - Xin-Yu Zhao
- 1 School of Basic Medical Sciences, Tianjin Medical University , Tianjin, P.R. China
| | - Tao Han
- 3 The Third Central Clinical College of Tianjin Medical University , Tianjin, P.R. China .,4 Department of Gastroenterology and Herpetology, Tianjin Third Central Hospital , Tianjin, P.R. China
| | - Feng-Mei Wang
- 3 The Third Central Clinical College of Tianjin Medical University , Tianjin, P.R. China .,4 Department of Gastroenterology and Herpetology, Tianjin Third Central Hospital , Tianjin, P.R. China
| | - Jie Yang
- 1 School of Basic Medical Sciences, Tianjin Medical University , Tianjin, P.R. China .,2 Research Center of Basic Medical Science, Tianjin Medical University , Tianjin, P.R. China
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