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Araujo Z, Camargo M, Moreno Pérez DA, Wide A, Pacheco D, Díaz Arévalo D, Celis Giraldo CT, Salas S, de Waard JH, Patarroyo MA. Differential NRAMP1gene's D543N genotype frequency: Increased risk of contracting tuberculosis among Venezuelan populations. Hum Immunol 2023; 84:484-491. [PMID: 37380553 DOI: 10.1016/j.humimm.2023.06.003] [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: 09/28/2022] [Revised: 05/15/2023] [Accepted: 06/11/2023] [Indexed: 06/30/2023]
Abstract
NRAMP1 and VDR gene polymorphisms have been variably associated with susceptibility to tuberculosis (TB) amongst populations having different genetic background. NRAMP1 and VDR gene variants' association with susceptibility to active infection by Mycobacterium tuberculosis (Mtb) was analyzed in the Warao Amerindian population, an ethnic population from Venezuela's Orinoco delta region. Genomic DNA was extracted from individuals with and without TB to evaluate genetic polymorphism by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Four NRAMP1 gene polymorphisms were analyzed: D543N (rs17235409), 3' UTR (rs17235416), INT4 (rs3731865), and 274C/T (rs2276631), and one VDR gene polymorphism: FokI (rs2228570). The results showed that the genotypes D543N-A/A, 3'UTR-TGTG+/+, INT4-C/C, and 274C/T-T/T of known polymorphism in the NRAMP1 gene, as well as the genotypes FokI-F/f and FokI-f/f in the VDR gene were most often found in indigenous Warao with active TB. Binomial logistic regression was used for evaluating associations between polymorphisms and risk of contracting TB, an association between NRAMP1-D543N-A/A genotype distribution and TB susceptibility was found in Warao Amerindians. Regarding Venezuelan populations having different genetic backgrounds; statistically significant TB associations concerning NRAMP1-D543N-A/A, INT4-C/C and 3'UTR-TGTG+/+ variant genotype distributions in Warao Amerindians (indigenous) compared to Creole (admixed non-indigenous population) individuals were found. In conclusion, the results thus indicated that the association between NRAMP1-D543N-A/A genotype and TB in Warao Amerindians could support such allele's role in host susceptibility to Mtb infection.
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Affiliation(s)
- Zaida Araujo
- Laboratorio de Inmunología de Enfermedades Infecciosas, Instituto de Biomedicina "Dr. Jacinto Convit", Universidad Central de Venezuela, Apartado 4043, Caracas 1010A, Venezuela.
| | - Milena Camargo
- Molecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50 No. 26-20, Bogota, Colombia
| | - Darwin A Moreno Pérez
- Animal Science Faculty, Universidad de Ciencias Aplicadas y Ambientales (U.D.C.A), Calle 222 No. 55-37, Bogotá, Colombia
| | - Albina Wide
- Laboratorio de Biotecnología, Instituto de Medicina Tropical, Universidad Central de Venezuela, Caracas, Venezuela
| | - Dailobivxon Pacheco
- Laboratorio de Inmunología de Enfermedades Infecciosas, Instituto de Biomedicina "Dr. Jacinto Convit", Universidad Central de Venezuela, Apartado 4043, Caracas 1010A, Venezuela
| | - Diana Díaz Arévalo
- Molecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50 No. 26-20, Bogota, Colombia
| | - Carmen T Celis Giraldo
- Animal Science Faculty, Universidad de Ciencias Aplicadas y Ambientales (U.D.C.A), Calle 222 No. 55-37, Bogotá, Colombia
| | - Sandra Salas
- Molecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50 No. 26-20, Bogota, Colombia
| | - Jacobus H de Waard
- Laboratorio de Tuberculosis, Instituto de Biomedicina "Dr. Jacinto Convit", Universidad Central de Venezuela, Apartado 4043, Caracas 1010A, Venezuela
| | - Manuel A Patarroyo
- Molecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50 No. 26-20, Bogota, Colombia; Faculty of Medicine, Universidad Nacional de Colombia, Carrera 45 No. 26-85, Bogotá, Colombia; Health Sciences Division, Main Campus, Universidad Santo Tomás, Carrera 9 No. 51-11, Bogotá, Colombia.
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Álvarez GI, Hernández Del Pino RE, Barbero AM, Estermann MA, Celano J, Musella RM, Palmero DJ, García VE, Pasquinelli V. Association of IFN-γ +874 A/T SNP and hypermethylation of the -53 CpG site with tuberculosis susceptibility. Front Cell Infect Microbiol 2023; 13:1080100. [PMID: 36743307 PMCID: PMC9892940 DOI: 10.3389/fcimb.2023.1080100] [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: 10/25/2022] [Accepted: 01/05/2023] [Indexed: 01/20/2023] Open
Abstract
Introduction Tuberculosis (TB) is now the 2nd leading infectious killer after COVID-19 and the 13th leading cause of death worldwide. Moreover, TB is a lethal combination for HIV-patients. Th1 responses and particularly IFN-γ are crucial for immune protection against Mycobacterium tuberculosis infection. Many gene variants for IFNG that confer susceptibility to TB have been described in multiple ethnic populations. Likewise, some epigenetic modifications have been evaluated, being CpG methylation the major epigenetic mark that makes chromatin inaccessible to transcription factors, thus avoiding the initiation of IFNG transcription. Methods We evaluated both genetic and epigenetic changes involved in IFN-γ production and TB susceptibility in Argentine population. Amplification refractory mutation system-polymerase chain reaction (ARMS-PCR) was performed for the IFN-γ +874 A/T polymorphism (rs2430561) genotyping in 199 healthy donors (HD) and 173 tuberculosis (TB) patients. IFN-γ levels from M. tuberculosis-stimulated PBMCs were measured by ELISA. The methylation status at the -53 CpG site of the IFNG promoter in individuals with latent infection (LTBI), TB and HD was determine by pyrosequencing. Results Using a case-control study, we found that A allele and, consequently, AA genotype were overrepresented in patients with active disease. Moreover, HD carrying T allele (AT or TT genotype) evidenced an augmented IFN-γ secretion compared to TB patients. Codominance was the genetic model that best fits our results according to the Akaike information criterion (AIC). In addition, increased methylation levels at the -53 CpG site in the IFN-γ promoter were observed in whole blood of patients with active TB compared to LTBI individuals. Discussion IFN-γ is regulated by genetic variants and epigenetic modifications during TB. Besides, AA genotype of the rs2430561 single nucleotide polymorphism could be considered as a potential TB susceptibility genetic biomarker in Argentina and the methylation of the -53 CpG site could result in a useful predictor of TB reactivation.
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Affiliation(s)
- Guadalupe Inés Álvarez
- Centro de Investigaciones Básicas y Aplicadas (CIBA), Universidad Nacional del Noroeste de la Provincia de Buenos Aires (UNNOBA), Buenos Aires, Argentina,Centro de Investigaciones y Transferencias del Noroeste de la Provincia de Buenos Aires (CIT NOBA), UNNOBA- Universidad Nacional de San Antonio de Areco (UNSAdA) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina,Instituto de Inmunología, Genética y Metabolismo (INIGEM), Universidad de Buenos Aires (UBA) – CONICET, Buenos Aires, Argentina
| | - Rodrigo Emanuel Hernández Del Pino
- Centro de Investigaciones Básicas y Aplicadas (CIBA), Universidad Nacional del Noroeste de la Provincia de Buenos Aires (UNNOBA), Buenos Aires, Argentina,Centro de Investigaciones y Transferencias del Noroeste de la Provincia de Buenos Aires (CIT NOBA), UNNOBA- Universidad Nacional de San Antonio de Areco (UNSAdA) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Angela María Barbero
- Centro de Investigaciones Básicas y Aplicadas (CIBA), Universidad Nacional del Noroeste de la Provincia de Buenos Aires (UNNOBA), Buenos Aires, Argentina,Centro de Investigaciones y Transferencias del Noroeste de la Provincia de Buenos Aires (CIT NOBA), UNNOBA- Universidad Nacional de San Antonio de Areco (UNSAdA) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Martín Andrés Estermann
- Centro de Investigaciones Básicas y Aplicadas (CIBA), Universidad Nacional del Noroeste de la Provincia de Buenos Aires (UNNOBA), Buenos Aires, Argentina
| | - Josefina Celano
- Centro de Investigaciones Básicas y Aplicadas (CIBA), Universidad Nacional del Noroeste de la Provincia de Buenos Aires (UNNOBA), Buenos Aires, Argentina
| | | | | | - Verónica Edith García
- CONICET-Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina,Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Buenos Aires, Argentina
| | - Virginia Pasquinelli
- Centro de Investigaciones Básicas y Aplicadas (CIBA), Universidad Nacional del Noroeste de la Provincia de Buenos Aires (UNNOBA), Buenos Aires, Argentina,Centro de Investigaciones y Transferencias del Noroeste de la Provincia de Buenos Aires (CIT NOBA), UNNOBA- Universidad Nacional de San Antonio de Areco (UNSAdA) - Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina,*Correspondence: Virginia Pasquinelli, ,
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Kaban SM, Sinaga BYM, Nasution TA. Association of Polymorphism +874 T/A Interferon Gamma Gene with Susceptibility to Pulmonary Tuberculosis in Medan, Indonesia. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.6480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: Pulmonary tuberculosis (TB) is still a disease that concerns in the world due to its high incidence, especially in developing countries, including Indonesia. Polymorphism +874 T/A interferon-gamma (IFN-γ) is one of the host genetic factors that have been widely studied and has been shown to be associated with susceptibility to pulmonary TB.
AIM: This study aims to determine the association polymorphism +874 T/A IFN-γ gene with susceptibility to pulmonary TB in Medan population.
METHODS: A total of 82 pulmonary TB patients and 85 healthy controls were examined in this case–control study. SPSS 25 is used to process and analyze all data where the Pearson Chi-square is used to analyze the association between genotype and susceptibility to pulmonary TB.
RESULTS: The polymorphism +874 T/A IFN-γ gene was not significantly associated with susceptibility to pulmonary TB in patients compared to controls (p = 0.395) and there was no association between allele frequency and susceptibility to pulmonary TB (p = 0.158).
CONCLUSION: Our study suggests no association of polymorphism +874 T/A IFN-γ gene with pulmonary TB in Medan, Sumatera Utara, Indonesia.
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Shukla S, Tripathi AK, Verma SP, Awasthi N. Prognostic value of TNF-a-308 and IFN-g-874 single nucleotide polymorphisms and their plasma levels in patients with aplastic anemia. Blood Res 2020; 55:193-199. [PMID: 33139586 PMCID: PMC7784124 DOI: 10.5045/br.2020.2020009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 08/20/2020] [Accepted: 09/25/2020] [Indexed: 01/03/2023] Open
Abstract
Background Aplastic anemia (AA), an unusual hematological disease, is characterized by hypoplasia of the bone marrow and failure to form blood cells of all three lineages resulting in pancytopenia. This study aimed to investigate TNF-α-308 and IFN-γ-874 gene polymorphisms and their respective plasma protein levels in patients with AA and healthy controls. Methods Two hundred and forty individuals were included in this study; the case group comprised 120 AA patients, while 120 healthy individuals served as controls. Genotyping was performed using the PCR-restriction length fragment polymorphism method and TNF-α-308 and IFN-γ-874 plasma levels were evaluated using an ELISA kit. Results There was a significantly higher prevalence of the IFN-γ-874 genotype in patients with AA than in healthy controls, while the TNF-α-308 genotype was associated with lower risk of developing AA. Furthermore, the levels of both TNF-α-308 and IFN-γ-874 were higher in the plasma of AA patients. Conclusion Our findings suggest that the IFN-γ-874 genotype may be a greater risk factor in the causation of AA, whereas the TNF-α-308 genotype has a protective role in the North Indian population.
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Affiliation(s)
- Saurabh Shukla
- Department of Clinical Hematology, King George's Medical University, Lucknow, India
| | - Anil Kumar Tripathi
- Department of Clinical Hematology, King George's Medical University, Lucknow, India
| | | | - Nidhi Awasthi
- Department of Clinical Hematology, King George's Medical University, Lucknow, India
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Wu S, Wang Y, Zhang M, Wang M, He JQ. Genetic variants in IFNG and IFNGR1 and tuberculosis susceptibility. Cytokine 2019; 123:154775. [PMID: 31310896 DOI: 10.1016/j.cyto.2019.154775] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 07/06/2019] [Accepted: 07/08/2019] [Indexed: 02/05/2023]
Abstract
BACKGROUND Tuberculosis (TB) is the type of chronic infectious disease which majorly caused by Mycobacterium tuberculosis (M. TB). Emerging data suggest that interferon gamma (IFNG) and its receptor IFNGR1 may be involved in the risk of TB. METHODS A total of 636 TB patients and 608 healthy controls were selected. The association between single nucleotide polymorphisms (SNPs) and TB was estimated by logistic analyses adjusting for age, gender and smoking status. SNPs genotyping was done by using the improved multiplex ligase detection reaction (iMLDR). RESULTS The IFNG rs1861494 allele C was related to an increased risk for TB (OR = 1.25, 95%CI: 1.06-1.48; P = 0.009). Compared with TT genotype, CT (OR = 1.28, 95%CI: 1.01-1.63; P = 0.040) and CC (OR = 1.51, 95%CI: 1.04-2.19; P = 0.031) were also risk factors for TB. In the subgroup analysis, the association was stronger among participants < 25 years (OR = 2.40, 95%CI: 1.70-3.38; P < 0.001) and male groups (OR = 1.31, 95%CI: 1.03-1.66; P = 0.030). In addition, IFNG rs1861494 was associated with anti-TB treatment outcome (OR = 0.70, 95%CI: 0.52-0.94; P = 0.017). We also detected that IFNGR1 rs2234711 influenced the IFNG production. CONCLUSION IFNG rs1861494 polymorphism was associated with TB, particularly in the younger and male subgroups.
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Affiliation(s)
- Shouquan Wu
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yu Wang
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
| | - Miaomiao Zhang
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
| | - Minggui Wang
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jian-Qing He
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
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Naz A, Ali M, Aslam MA, Khan AUH, Manzoor H, Iqbal R, Shehzad MA, Ahmad S, Shaheen Z, Rasul S. Influence of single-nucleotide polymorphisms in the IFNG towards susceptibility to tuberculosis in a Pakistani population. Ann Hum Genet 2019; 83:426-433. [PMID: 31069794 DOI: 10.1111/ahg.12325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 03/13/2019] [Accepted: 04/24/2019] [Indexed: 11/27/2022]
Abstract
Tuberculosis (TB) is a global issue as one-third of the population worldwide is considered to be infected. TB has become a critical public health problem as a result of increasing drug resistance, which poses a challenge to current control strategies. Similar to environmental factors, genetic makeup of the host equally contributes to disease onset. We performed genotypic analysis to examine the relationship between IFNG and TB onset and drug resistance in a Pakistani population comprising 689 subjects. Notable differences were observed in the IFNG polymorphism (+874T/A) between the case and control groups. The frequency of the wild-type genotype (TT) in the controls (43.2%) was significantly higher than in the cases (25.3%) (odds ratio [OR] = 0.77, p < 0.0001), while the mutant genotype frequency (AA) (38.57%) in the cases was significantly higher than in the controls (22.6%) (OR = 1.46, p < 0.0001). The heterozygous genotype frequency (TA) did not significantly differ between the control and case groups. Compared with the controls, the variant allele (A) was approximately twice as frequent in the cases. Females and older people have a higher chance of disease development. Finally, the IFNG (+874T/A) polymorphism was not associated with drug sensitivity or resistance. However, a genotypic polymorphism of IFNG (+874T/A) was significantly associated with susceptibility to TB, and the T allele conferred protection against TB. Additional studies involving larger cohorts are needed to further explore this relationship between genetics and disease vulnerability.
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Affiliation(s)
- AsmaGul Naz
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan
| | - Muhammad Ali
- Government College University, Faisalabad, Pakistan
| | - Muhammad Assad Aslam
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan
| | - Abrar Ul Haq Khan
- Institute of Microbiology, University of Agriculture, Faisalabad, Pakistan
| | - Hamid Manzoor
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan
| | - Rehana Iqbal
- Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan
| | | | - Shahbaz Ahmad
- Provincial TB Reference Laboratory, Nishtar Medical University, Multan, Pakistan
| | - Zubair Shaheen
- Pulmonology Department, Nishtar Medical University, Multan, Pakistan
| | - Sumaira Rasul
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan
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Abdelmaksoud A. Reply to "Significance of interferon gamma in the prediction of successful therapy of common warts by intralesional injection of Candida antigen". Int J Dermatol 2017; 56:1505-1506. [PMID: 28952150 DOI: 10.1111/ijd.13753] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ayman Abdelmaksoud
- Mansoura Dermatology, Venerology and Leprology Hospital, Mansoura, Egypt
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