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Qi J, Zhang Y, Zhang L, Nie G. Association between macrophage migration inhibitory factor-173G/C polymorphism and psoriasis risk: A meta-analysis. Indian J Dermatol Venereol Leprol 2023; 89:680-687. [PMID: 37317750 DOI: 10.25259/ijdvl_206_2022] [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: 02/23/2022] [Accepted: 04/01/2023] [Indexed: 06/16/2023]
Abstract
Background The association between macrophage migration inhibitory factor (MIF)-173G/C polymorphism and psoriasis risk has been reported in several studies with inconsistent conclusions. Aims This study aims to obtain a more convincing estimate of the relationship between the MIF-173G/C polymorphism and psoriasis risk. Methods Web of Science, EMBASE, PubMed, Wan Fang Database and Chinese National Knowledge Infrastructure (CNKI) were searched up to September 2021 and eligible studies were collected. The pooled odds ratios with 95% confidence intervals were calculated to estimate the effects of MIF-173G/C polymorphism on psoriasis risk under different genetic models. All analyses were conducted using the STATA12.0 software. Results A total of 1101 psoriasis cases and 1320 healthy controls from 6 relevant studies were included in this meta-analysis. Pooled analysis suggested that MIF-173G/C polymorphism was associated with increased psoriasis risk under the allelic model (C vs. G: odds ratio = 1.30, 95% confidence interval = 1.04-1.63, P = 0.020), heterozygous model (GC vs. GG: odds ratio = 1.53, 95% confidence interval = 1.05-2.22, P = 0.027) and dominant model (CC + GC vs. GG: odds ratio = 1.51, 95% confidence interval = 1.05-2.18, P = 0.027). Limitation Very few studies on the MIF-173G/C polymorphism in psoriasis have been reported till now, thus the number of studies included in the present meta-analysis was relatively small. Due to the number of studies being relatively small and the lack of raw data, stratified analysis by ethnicity or type of psoriasis was not carried out. Conclusion This meta-analysis demonstrated that MIF-173G/C polymorphism might be related to psoriasis risk. Carriers of the C allele and the GC genotype might have higher odds to present with psoriasis.
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Affiliation(s)
- Junhua Qi
- Department of Clinical Laboratory, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Yu Zhang
- Department of Dermatovenereology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Lvya Zhang
- Department of Dermatovenereology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Gang Nie
- Department of Dermatovenereology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
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Li YY, Wang H, Zhang YY. Macrophage migration inhibitory factor gene rs755622 G/C polymorphism and coronary artery disease: A meta-analysis of 8,488 participants. Front Cardiovasc Med 2022; 9:959028. [PMID: 36186991 PMCID: PMC9515403 DOI: 10.3389/fcvm.2022.959028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 08/22/2022] [Indexed: 11/13/2022] Open
Abstract
Background and aimsMacrophage migration inhibitory factor (MIF) gene rs755622 G/C polymorphism was suggested to be associated with CAD risk. However, due to the different results among the individual studies, no agreement has been reached till now. Therefore, the meta-analysis on the association of MIF gene rs755622 G/C polymorphism with CAD was performed.Methods and resultsThe association between them was evaluated by calculating the pooled odds ratios (ORs) and the corresponding 95% confidence intervals (CIs). The random-effects models were used because of the significant heterogeneity among them. In this meta-analysis, 8,488 subjects from 9 studies were included. The MIF gene rs755622 G/C polymorphism was significantly associated with CAD under the allelic (OR: 1.213, 95% CI: 1.039–1.417, P = 0.014), recessive (OR: 1.945, 95% CI: 1.214–3.115, P = 0.006), dominant (OR: 0.781, 95% CI: 0.617–0.989, P = 0.041), homozygous (OR: 2.057, 95% CI: 1.289–3.284, P = 0.003), and additive (OR: 1.327, 95% CI: 1.081–1.630, P = 0.007) genetic models.ConclusionMIF gene rs755622 G/C polymorphism was significantly related to CAD, especially in the Chinese population. Persons with the C allele of the MIF gene rs755622 G/C polymorphism might be susceptible to CAD.
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Affiliation(s)
- Yan-yan Li
- Clinical Research Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Yan-yan Li,
| | - Hui Wang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yang-yang Zhang
- Department of General Practice, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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Hidayah N, Djaharuddin I, Ahmad A, Natzir R, Patellongi I, Bukhari A, Handayani I, Tenriola A, Subair S, Halik H, Massi MN. Association of Vitamin D Receptor Polymorphism (rs2228570, rs1544410, rs7975232, and rs731236) and Macrophage Migration Inhibitory Factor -173 G/C (rs755622) with the Susceptibility of Active Pulmonary Tuberculosis in Makassar, Indonesia. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.6859] [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: The study of Vitamin D Receptor (VDR) and Macrophage Migration Inhibitory Factor (MIF) polymorphisms, associated with active pulmonary tuberculosis (ATB) presents varying results.
AIMS: This study aimed to investigate the association between VDR rs2228570, rs1544410, rs7975232, rs731236 and MIF -173 G/C (rs755622) single nucleotide polymorphism (SNP), with susceptibility of developing ATB, and positivity of Interferon Gamma Release Assay (IGRA) results (in household contact).
METHODS AND MATERIAL: This study involved 83 ATB and 73 household contacts in Makassar. We checked IGRA based on ELISA in household contacts by using QuantiFERON TB Gold Plus test, and we found that 61.64% (n = 45) of household contacts had positive IGRA. Polymorphism examination was carried out by Sanger sequencing.
RESULTS: VDR rs2228570 T/T and T/C-T/T were significantly associated with higher risk of active tuberculosis. VDR rs7975232 G/G genotype was associated with an increased risk of developing active TB compared to T/T-T/G. Haplotype analysis of VDR rs2228570, rs1544410, rs7975232, rs731236 and combination with MIF rs755622 demonstrated that TGGTG was observed to have a higher risk of tuberculosis.
CONCLUSIONS:
The combination of VDR and MIF variants may contribute to the susceptibility of active tuberculosis disease.
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Pooljun C, Jariyapong P, Direkbusarakom S, Saeng-Ngern S, Sakamoto T, Wuthisuthimethavee S. Association between ALFPm3 single nucleotide polymorphism and white spot syndrome virus resistance in black tiger shrimp Penaeus monodon. DISEASES OF AQUATIC ORGANISMS 2020; 142:213-224. [PMID: 33331289 DOI: 10.3354/dao03538] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Here single nucleotide polymorphisms (SNPs) were associated with white spot syndrome virus (WSSV) resistance in black tiger shrimp Penaeus monodon. SNPs were identified by single-strand conformation polymorphism (SSCP) screening and DNA sequencing of shrimp sampled from 3 families (100 shrimp per family) challenged with WSSV. Shrimp that died over the 14 d challenge trial were designated susceptible, with those remaining alive on Day 14 designated resistant. To compare SNPs, 10 samples from the susceptible and resistant groups, each comprising DNA pooled from 3 shrimp, were amplified by polymerase chain reaction (PCR) using primers to 12 selected genes and screened by SSCP. SNPs were only identified in the anti-lipopolysaccharide factor 3 (ALFPm3) gene product. Analysis of complete ALFPm3 gene sequences confirmed the existence of 3 SNPs (g.934C>G, g.1186A>G, and g.1898C>G) that were polymorphic between the susceptible and resistant groups. Further analyses using specific tetra-primer amplification refractory mutation system PCR primer sets associated these 3 SNPS, and particularly the g.1186A>G SNP, with WSSV resistance. This SNP thus has potential for use as a DNA marker to select for WSSV resistance in P. monodon breeding programs.
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Affiliation(s)
- Chettupon Pooljun
- Center of Excellence for Shrimp, School of Agricultural Technology, Walailak University, Nakhon Si Thammarat 80160, Thailand
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Du X, Li R, Song S, Ma L, Xue H. The Role of MIF-173G/C Gene Polymorphism in the Susceptibility of Autoimmune Diseases. Mediators Inflamm 2020; 2020:7825072. [PMID: 32410863 PMCID: PMC7204238 DOI: 10.1155/2020/7825072] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 03/26/2020] [Indexed: 01/16/2023] Open
Abstract
Some certain genetic polymorphisms have been considered to implicate in the pathogenesis and progression of autoimmune diseases and may predispose to an early stage of general autoimmune susceptibility. Recent studies have been conducted to investigate the association between macrophage migration inhibitory factor- (MIF-) 173G/C gene polymorphism and autoimmune diseases; however, the results were not exactly identical. In the present study, a systematic review and meta-analysis of case-control studies was performed to estimate the relationship. A comprehensive search of PubMed, Ebsco, EMbase, WanFang databases and CNKI was done. Odds ratio (ORs) and corresponding 95% confidence intervals (CIs) were combined to pool the effect size. The publication bias was examined by Begg's funnel plots and Egger's test. RevMan 5.3 and STATA 12.0 software were used for statistical processing. 23 papers were included, and the results revealed that MIF-173G/C was significantly associated with an increased risk of autoimmune diseases in five genetic models (recessive genetic model: OR = 1.95, 95% CI: 1.52-2.50; dominant genetic model: OR = 1.35, 95% CI: 1.24-1.46; allele model: OR = 1.32, 95% CI: 1.23-1.41; homozygote model: OR = 1.92, 95% CI: 1.57-2.35; heterozygote model: OR = 4.92, 95% CI: 4.03-6.02), whether in Asia, Europe, or North America. Furthermore, subgroup analysis showed an increasing risk in rheumatoid arthritis (RA), ulcerative colitis (UC), Crohn's disease (CD), atopic dermatitis (AD), Henoch-Schonlein purpura (HSP), and Henoch-Schonlein purpura nephritis (HSPN), but it was not related to the susceptibility of autoimmune hepatitis (AIH). Therefore, it could be considered that MIF-173G/C polymorphism could increase the susceptibility of autoimmune diseases, while there may be the discrepancy of disease entity.
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Affiliation(s)
- Xiangrong Du
- Department of Endocrinology and Metabolism, Binzhou Medical University Hospital, 661 Second Huanghe Road, Binzhou 256603, China
- Department of Internal Medicine, Linzi District People's Hospital, No. 139 Huangong Road, Zibo 255400, China
| | - Ruixia Li
- Department of Endocrinology and Metabolism, Binzhou Medical University Hospital, 661 Second Huanghe Road, Binzhou 256603, China
| | - Shoujun Song
- Department of Endocrinology, Yantai Affiliated Hospital of Binzhou Medical University, No. 717 Jinfu Street, Yantai 264100, China
| | - Lei Ma
- Department of Dermatology, Binzhou Medical University Hospital, No. 661 Second Huanghe Road, Binzhou 256603, China
| | - Haibo Xue
- Department of Endocrinology and Metabolism, Binzhou Medical University Hospital, 661 Second Huanghe Road, Binzhou 256603, China
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Genetics of ulcerative colitis: putting into perspective the incremental gains from Indian studies. J Genet 2018. [DOI: 10.1007/s12041-018-1015-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Sharaf-Eldein M, Elghannam D, Abdel-Malak C. MIF-173G/C (rs755622) polymorphism as a risk factor for acute lymphoblastic leukemia development in children. J Gene Med 2018; 20:e3044. [PMID: 29996006 DOI: 10.1002/jgm.3044] [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] [Received: 03/05/2018] [Revised: 05/28/2018] [Accepted: 06/30/2018] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Macrophage inhibitory factor (MIF) is a pro-inflammatory cytokine modulating monocyte motility and a pleiotropic regulator of different biological and cellular processes. The MIF-173G/C (rs755622) polymorphism is found in the promoter region and affects its activity. The present study investigated the MIF polymorphism as a risk factor for the development of acute lymphoblastic leukemia (ALL) in Egyptian children. METHODS We analyzed the MIF-173G/C (rs755622) polymorphism in 180 ALL cases and 150 healthy control children by amplification of the gene using a polymerase chain reaction followed by restriction endonuclease digestion and running on an agarose gel for visualization of the product. RESULTS We found a significant incidence of the homozygous polymorphic (CC) genotype and the combined polymorphic genotypes (GC + CC) in ALL patients compared to healthy controls (p = 0.001 and p = 0.007, respectively), whereas the wild-type genotype (GG) was more common in healthy controls (p = 0.006). Multivariate logistic regression analysis adjustment for MIF different genotypes and other potential risk factors such as age, sex and parental smoking indicated that the CC genotype is the only significant risk factor for the test (p = 0.02). We also noted that, by increasing the C-allele representation within the gene [GC, CC], there was an increase in total leukocytic count (p = 0.09 and p = 0.001, respectively) that may reflect the bad prognostic impact of the polymorphic allele, although further studies are needed. CONCLUSIONS The results of the present study indicate that the MIF-173G/C (rs755622) polymorphism is a risk factor for childhood ALL development with respect to both homozygous and combined polymorphic genotypes. In addition, the increased leukocytic count in synchronization with the increased representation of the polymorphic C-allele may reflect its bad prognostic impact.
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Affiliation(s)
- Mohamed Sharaf-Eldein
- Department of Biochemistry, Faculty of Sciences, Damietta University, New Damietta, Egypt
| | - Doaa Elghannam
- Department of Clinical Pathology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Camelia Abdel-Malak
- Department of Biochemistry, Faculty of Sciences, Damietta University, New Damietta, Egypt
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Vishwakarma SK, Lakkireddy C, Sravani G, Sastry BVS, Raju N, Ahmed SI, Khan AA, Owaisi N, Jaisawal A, Khan MA, Khan AA. Association of CD14 and macrophage migration inhibitory factor gene polymorphisms with inflammatory microRNAs expression levels in ankylosing spondylitis and polyarthralgia. Int J Immunogenet 2018; 45:190-200. [PMID: 29863307 DOI: 10.1111/iji.12366] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 03/22/2018] [Indexed: 01/18/2023]
Abstract
This study aimed to investigate the genetic basis of ankylosing spondylitis (AS) and polyarthralgia (PA) conditions among Indian subjects through genotyping two immune regulatory genes CD14 (-159C>T) and MIF (-173G>C) and find their association with the expression levels of three circulating inflammatory miRNAs. This investigation may provide early genetic cause of these two forms of arthritis and more optimal biological targets to predict early therapeutic outcomes. A total of 140 patients (AS: 70 and PA: 70) and 156 controls were recruited from Indian population. CD14 and MIF genotyping was performed using ARMS-PCR. Expression level of three inflammatory miRNAs (miRNA-146a, miRNA-155 and miRNA-181) was quantified using RT-qPCR. C/T genotype of CD14 gene was found to cause 2.06-fold risk of developing AS (CI 1.06-5.98, p = .04) as compared to others and G/C genotype in MIF also shown significant variation between AS and control subjects. In PA subjects, CD14 genotypes (C/T) was found to be associated with disease susceptibility and G/C genotype of MIF gene polymorphism showed 4.71-fold risk of developing PA (CI 2.58-8.62, p = .0001). The study also revealed significant upregulation of miRNA-155 expression in AS subjects (p = .0001) with more than 1.3-fold difference between AS and PA as compared to the control subjects. miRNA-155 had strong association with AS patients with CD14 genotypes (p < .05) than PA and control subjects. This study provides better understanding of the mechanisms and disease susceptibility for MIF and CD14 genetic variants and inflammatory miRNAs networks involved in AS and PA.
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Affiliation(s)
- S K Vishwakarma
- Central Laboratory for Stem Cell Research & Translational Medicine, CLRD, Deccan College of Medical Sciences, Hyderabad, Telangana, India
| | - C Lakkireddy
- Central Laboratory for Stem Cell Research & Translational Medicine, CLRD, Deccan College of Medical Sciences, Hyderabad, Telangana, India
| | - G Sravani
- Central Laboratory for Stem Cell Research & Translational Medicine, CLRD, Deccan College of Medical Sciences, Hyderabad, Telangana, India
| | - B V S Sastry
- Central Laboratory for Stem Cell Research & Translational Medicine, CLRD, Deccan College of Medical Sciences, Hyderabad, Telangana, India
| | - N Raju
- Central Laboratory for Stem Cell Research & Translational Medicine, CLRD, Deccan College of Medical Sciences, Hyderabad, Telangana, India
| | - S I Ahmed
- Central Laboratory for Stem Cell Research & Translational Medicine, CLRD, Deccan College of Medical Sciences, Hyderabad, Telangana, India
| | - A A Khan
- Central Laboratory for Stem Cell Research & Translational Medicine, CLRD, Deccan College of Medical Sciences, Hyderabad, Telangana, India
| | - N Owaisi
- Central Laboratory for Stem Cell Research & Translational Medicine, CLRD, Deccan College of Medical Sciences, Hyderabad, Telangana, India
| | - A Jaisawal
- Department of Orthopedics, Owaisi Hospital and Research Centre, Deccan College of Medical Sciences, Hyderabad, Telangana, India
| | - M A Khan
- Department of Orthopedics, Owaisi Hospital and Research Centre, Deccan College of Medical Sciences, Hyderabad, Telangana, India
| | - A A Khan
- Central Laboratory for Stem Cell Research & Translational Medicine, CLRD, Deccan College of Medical Sciences, Hyderabad, Telangana, India
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Rozati R, Allauddin N. Single Nucleotide Polymorphisms in CD14 and Toll-like Receptor 4 Genes in Patients with Polycystic Ovarian Syndrome. ACTA ACUST UNITED AC 2017. [DOI: 10.5005/jp-journals-10006-1518] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
ABSTRACT
Introduction
Polycystic ovary syndrome (PCOS) is a complex disease having genetic, immunologic, and environmental components, and candidate genes on innate immunity have been hypothesized to be involved in its etiology. We examined the possible association of CD14 and toll-like receptor 4 (TLR4) polymorphisms with PCOS.
Materials and methods
A total of 219 women with PCOS and 272 healthy women were recruited in the study. Their samples were genotyped for the polymorphism of CD14 and TLR4 genes.
Results
The distributions of genotypes of both polymorphisms were found to be significant in women with PCOS compared with controls. The distributions of alleles were also found to be predominant in PCOS compared with controls.
Conclusion
Polymorphisms in CD14-159C>T and TLR4-299A>G significantly increased susceptibility to PCOS. Further studies with larger sample sizes are warranted to confirm these findings.
How to cite this article
Allauddin N, Rozati R. Single Nucleotide Polymorphisms in CD14 and Toll-like Receptor 4 Genes in Patients with Polycystic Ovarian Syndrome. J South Asian Feder Obst Gynae 2017;9(4):304-307.
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Heidari Z, Mahmoudzadeh-Sagheb H, Hashemi M, Ansarimoghaddam S, Moudi B, Sheibak N. Association of macrophage migration inhibitory factor gene polymorphisms with chronic periodontitis in a South Eastern Iranian population. Dent Res J (Isfahan) 2017; 14:395-402. [PMID: 29238378 PMCID: PMC5713063 DOI: 10.4103/1735-3327.218563] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Background: Macrophage migration inhibitory factor (MIF) is a key proinflammatory mediator. It plays a vital role in immune response against the oral disease. MIF is a regulator of innate immunity, and bacterial antigens can stimulate serum level of this protein. In experimental gingivitis, the expression level of MIF increases and this increment positively correlates with oral plaque index. The single nucleotide polymorphisms in the gene encoding the MIF protein can control the function of MIF. The aim of the present study was a clarification of the associations between MIF-173 G/C, MIF 95 bp, and 189 bp insertion/deletion (I/D) polymorphisms and chronic periodontitis (CP) compared with healthy controls. Materials and Methods: This case–control study was carried out on 210 CP patients and 100 normal subjects. MIF-173 G/C and MIF 95 bp and 189 bp I/D polymorphisms were genotyped, using polymerase chain reaction–restriction fragment-length polymorphism (PCR-RFLP) and PCR, respectively. Allele and genotype frequencies of the variants were compared between patients and controls using Chi-square. test. The value of P < 0.05 was considered statistically significant. Results: The study findings showed that MIF-173 G/C polymorphism, especially the C allele increased the risk of CP. The 95-bp I/D polymorphism was not associated with CP and the 185-bp I/D variant was not polymorphic in our population. Conclusion: Therefore, MIF-137 G/C variant increased the risk of CP in the South East of the Iranian population. In other words, polymorphisms in MIF gene influence clinical outcome of CP infection and influence the susceptibility to disease. Further studies with larger sample sizes and different ethnicities are required to validate our findings.
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Affiliation(s)
- Zahra Heidari
- Infectious Diseases and Tropical Medicine Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.,Department of Histology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Hamidreza Mahmoudzadeh-Sagheb
- Infectious Diseases and Tropical Medicine Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.,Department of Histology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Mohammad Hashemi
- Cellular and Molecular Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.,Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences and Health Services, Zahedan, Iran
| | - Somayeh Ansarimoghaddam
- Department of Periodontology, School of Dentistry, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Bita Moudi
- Infectious Diseases and Tropical Medicine Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.,Department of Histology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Nadia Sheibak
- Department of Histology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
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Gürel Ç, İnanır A, Nursal AF, Tekcan A, Rüstemoğlu A, Yigit S. Evaluation of MIF -173 G/C Polymorphism in Turkish Patients with Ankylosing Spondylitis. Balkan Med J 2016; 33:614-619. [PMID: 27994913 DOI: 10.5152/balkanmedj.2016.141103] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Accepted: 12/14/2015] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Ankylosing spondylitis (AS) is a chronic inflammatory disease mainly affecting the spine and sacroiliac joints. Macrophage migration inhibitory (MIF) factor is a regulatory cytokine that inhibits random immune cell migration. MIF gene promoter polymorphisms play a role in the progression of several inflammatory disorders. AIMS To investigate the relationship between the MIF gene -173 G/C single-nucleotide polymorphism (SNP) and AS. STUDY DESIGN Cross-sectional study. METHODS In this study, a total of 161 AS and 194 normal controls were recruited. The MIF gene -173 G/C SNP was analyzed by polymerase chain reaction using the restriction fragment length polymorphism method. RESULTS There was no significant difference between groups in terms of genotype distribution (p>0.05). When wild-type G/G and G/C+C/C genotypes are compared in terms of clinical characteristics, there is a significant difference between the average age and the duration of disease in AS patients (p<0.05). CONCLUSION No significant relationship between AS disease and MIF -173 G/C polymorphism was found. MIF -173 G/C polymorphism (C allele) may affect the time of onset and the duration of disease in AS patients.
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Affiliation(s)
- Çevik Gürel
- Department of Medical Biology, Gaziosmanpaşa University School of Medicine, Tokat, Turkey
| | - Ahmet İnanır
- Department of Physical Medicine and Rehabilitation, Gaziosmanpaşa University School of Medicine, Tokat, Turkey
| | - Ayşe Feyda Nursal
- Department of Medical Genetics, Giresun University, School of Medicine, Giresun, Turkey
| | - Akın Tekcan
- Ahi Evran University School of Health, Kırşehir, Turkey
| | - Aydın Rüstemoğlu
- Department of Medical Biology, Gaziosmanpaşa University School of Medicine, Tokat, Turkey
| | - Serbülent Yigit
- Department of Medical Biology, Gaziosmanpaşa University School of Medicine, Tokat, Turkey
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Association of Genetic Polymorphisms in TNF and MIF Gene with the Risk of Primary Dysmenorrhea. Biochem Genet 2016; 54:457-466. [PMID: 27105877 DOI: 10.1007/s10528-016-9732-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 04/12/2016] [Indexed: 12/14/2022]
Abstract
Primary dysmenorrhea, which affects 90 % of adolescent girls and more than 50 % of menstruating women worldwide, is characterized by recurrent pain during menses in the absence of a detectable organic disease. The aim of this study is to assess the association between MIF -173 and TNF -308 genetic polymorphisms and the clinical features of primary dysmenorrhea. The study population comprised 154 unrelated female patients with clinical diagnosis of dysmenorrhea, and a total of 144 control subjects were recruited consecutively. The MIF -173G > C promoter polymorphism (rs755622) and TNF gene -308G > A (rs1800629) polymorphism were analyzed by polymerase chain reaction-based restriction fragment length polymorphism assay. Two fragments (268 and 97 bp) were seen when the G allele was present at position -173, and three fragments (206, 97, and 62 bp) were observed when the C allele was present. Two fragments (87 and 20 bp) were seen when G allele was present at position -308. There were statistically significant associations between age at menarche and history of back pain among dysmenorrhea patients and MIF gene -173G > C polymorphism (p = 0.003 and p = 0.042, respectively). The genotype and allele frequencies of -308G > A polymorphism showed statistically significant differences between dysmenorrhea patients and controls (p = 0.023 and p = 0.009, respectively). A high association was also observed when the patients were compared with the controls according to the GG genotype versus GA+AA genotypes (p = 0.009). The present study showed that the TNF-α -308 GG genotype may be a useful tool to predict the susceptibility of dysmenorrhea.
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Luo JY, Xu R, Li XM, Zhou Y, Zhao Q, Liu F, Chen BD, Ma YT, Gao XM, Yang YN. MIF Gene Polymorphism rs755622 Is Associated With Coronary Artery Disease and Severity of Coronary Lesions in a Chinese Kazakh Population: A Case-Control Study. Medicine (Baltimore) 2016; 95:e2617. [PMID: 26825917 PMCID: PMC5291587 DOI: 10.1097/md.0000000000002617] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Inflammation plays an important role in the pathogenesis of atherosclerosis. Recent studies indicate that macrophage migration inhibitory factor (MIF) is a potent proinflammatory cytokine which mediates the inflammatory process during atherosclerosis. The polymorphism of MIF gene (rs755622 [-173G/C], rs1007888, and rs2096525) were genotyped by TaqMan single nucleotide polymorphism (SNP) genotyping assay in 320 patients with coronary artery disease (CAD) and 603 controls in a Chinese Kazakh population. Coronary angiography was performed on all CAD patients and Gensini score was used to assess the severity of coronary artery lesions. The frequency of the CC genotype and C allele of rs755622 were significantly higher in CAD patients than that in control subjects (8.4% vs. 5.1%, P < 0.001, 30.3% vs. 22.1%, P < 0.001, respectively). Multivariate logistic regression analysis showed that individuals with CC genotype or C allele had a higher risk for CAD (CC genotype vs. GG genotype, OR = 2.224, 95% CI, 1.239-3.992, P = 0.007, and C allele vs. G allele, OR = 1.473, 95% CI, 1.156-1.876, P = 0.002, respectively). Moreover, CAD patients with rs755622 C allele (CC + CG genotype) have higher levels of Gensini score when compared to C allele noncarriers (32.74 ± 26.66 vs. 21.44 ± 19.40, P < 0.001, adjusted). Our results suggested that the CC genotype and C allele of MIF rs755622 SNP may be a genetic marker for the risk of CAD and potentially predict the severity of CAD in Chinese Kazakh population.
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Affiliation(s)
- Jun-Yi Luo
- From the Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China (J-YL, X-ML, YZ, QZ, Y-TM, Y-NY); Xinjiang Key Laboratory of Cardiovascular Disease Research, Urumqi, Xinjiang, China (J-YL, X-ML, FL, B-DC, Y-TM, X-MG, Y-NY); Department of Cadres Health, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, China (RX); Clinical Medical Research Institute, First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China (X-MG); Baker IDI Heart and Diabetes Institute, Melbourne, Victoria, Australia (X-MG); and Department of Surgery, Central Clinical School, Monash University, Melbourne, Victoria, Australia (X-MG)
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14
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Lang T, Foote A, Lee JPW, Morand EF, Harris J. MIF: Implications in the Pathoetiology of Systemic Lupus Erythematosus. Front Immunol 2015; 6:577. [PMID: 26617609 PMCID: PMC4641160 DOI: 10.3389/fimmu.2015.00577] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 10/28/2015] [Indexed: 12/25/2022] Open
Abstract
Macrophage migration Inhibitory factor (MIF) was one of the earliest pro-inflammatory cytokines to be identified. Increasing interest in this cytokine in recent decades has followed the cloning of human MIF and the generation of Mif−/− mice. Deepening understanding of signaling pathways utilized by MIF and putative receptor mechanisms have followed. MIF is distinct from all other cytokines by virtue of its unique induction by and counter regulation of glucocorticoids (GCs). MIF is further differentiated from other cytokines by its structural homology to specific tautomerase and isomerase enzymes and correlative in vitro enzymatic functions. The role of MIF in immune and inflammatory states, including a range of human autoimmune diseases, is now well established, as are the relationships between MIF polymorphisms and a number of inflammatory diseases. Here, we review the known pleiotropic activities of MIF, in addition to novel functions of MIF in processes including autophagy and autophagic cell death. In addition, recent developments in the understanding of the role of MIF in systemic lupus erythematosus (SLE) are reviewed. Finally, we discuss the potential application of anti-MIF strategies to treat human diseases such as SLE, which will require a comprehensive understanding of the unique and complex activities of this ubiquitously expressed cytokine.
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Affiliation(s)
- Tali Lang
- Lupus Research Group, Monash Centre for Inflammatory Diseases, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash Medical Centre , Clayton, VIC , Australia
| | - Andrew Foote
- Lupus Research Group, Monash Centre for Inflammatory Diseases, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash Medical Centre , Clayton, VIC , Australia
| | - Jacinta P W Lee
- Lupus Research Group, Monash Centre for Inflammatory Diseases, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash Medical Centre , Clayton, VIC , Australia
| | - Eric F Morand
- Lupus Research Group, Monash Centre for Inflammatory Diseases, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash Medical Centre , Clayton, VIC , Australia
| | - James Harris
- Lupus Research Group, Monash Centre for Inflammatory Diseases, School of Clinical Sciences at Monash Health, Faculty of Medicine, Nursing and Health Sciences, Monash Medical Centre , Clayton, VIC , Australia
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15
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Association study between macrophage migration inhibitory factor-173 polymorphism and acute myeloid leukemia in Taiwan. Cell Biochem Biophys 2015; 70:1159-65. [PMID: 24879618 DOI: 10.1007/s12013-014-0036-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Acute myeloid leukemia (AML) is the most common acute leukemia diagnosed in adults. Macrophage migration inhibitory factor (MIF) is a pro-inflammatory cytokine that plays a significant role in pathogenesis and autoimmune diseases. The major function of MIF is to promote the cell proliferation, migration, and invasion. The aim of the present study is to identify the association between MIF-173 (rs755662) single nucleotide polymorphism (SNP) and AML in Taiwanese population. DNA samples extracted from 256 AML patients and 256 healthy controls were investigated using polymerase chain reaction followed by restriction fragment length polymorphism analysis. The association between MIF-173 SNP genotype and AML patients were assessed with SPSS software. The results show that the GC genotype of MIF-173 SNP is significantly higher in AML patients than in the healthy controls (OR 1.58, 95 % CI 1.06, P = 0.034). Carrier genotypes GC and CC may be a causative factor for AML cancer (OR 1.39, 95 % CI 0.95, P = 0.085). White blood cell count (10(3)/µl) were significantly associated with AML MIF-173 polymorphism patients (P = 0.002). Our results in this study provide the first evidence that the MIF-173 polymorphism is associated with AML. MIF is a potential biomarker for development of AML cancer in male adult in Taiwanese population. Further validations in other populations are warranted.
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Ramireddy L, Chen WTL, Peng CT, Hu RM, Ke TW, Chiang HC, Chang SC, Tsai FJ, Lo WY. Association Between Genetic Polymorphism of the MIF Gene and Colorectal Cancer in Taiwan. J Clin Lab Anal 2014; 29:268-74. [PMID: 24840392 DOI: 10.1002/jcla.21763] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2013] [Accepted: 03/14/2014] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Colorectal cancer (CRC) is the highest leading cause of cancer-related mortality in Taiwan. Macrophage migration inhibitory factor (MIF) has recently been defined as a novel protumorigenic factor that promotes cell proliferation, migration, and invasion. The aim of the present study is to identify the association between MIF gene polymorphism and CRC. METHODS A case-control study was designed to test the hypothesis. A total of 192 biopsy-diagnosed CRC patients (CRC) and 256 healthy subjects (control) were recruited. Genotyping of four single nucleotide polymorphism (SNPs; rs755662, rs11548059, rs1049829, rs1803976) at chromosome positions 755662 (5' UTR), 11548059 (exon2), 1049829 (exon2), 1803976 (exon3) was performed using a Taqman SNP genotyping assay. RESULTS There is a significant difference in genotype frequency distribution of rs755662 polymorphism between CRC patients and controls (P = 0.011). No significant difference was found in the frequency distribution of rs11548059, rs1049829, rs1803976 polymorphism in CRC patients and controls (P = 0.660, P = 0.700, and P = 0.959, respectively). Moreover, the MIF-173 SNP was also significantly associated with young patients (age < 50 years, P = 0.026) late stage (Stage IV, P = 0.038) and poor differentiation group (P = 0.040). Compared to the control group, the MIF-173 SNP also significantly associated with patients with stages III and IV (P = 0.034 and 0.003, respectively). CONCLUSION The presence of MIF-173 (G/C) gene polymorphism (rs755662) was associated with susceptibility, patient age, and stages of CRC in Taiwanese.
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Affiliation(s)
- Latha Ramireddy
- Department of Biomedical Informatics, Asia University, Taichung, Taiwan
| | - William Tzu-Liang Chen
- Division of Colorectal Surgery, Department of Surgery, China Medical University Hospital, Taichung, Taiwan.,College of Medicine, China Medical University, Taichung, Taiwan
| | - Ching-Tien Peng
- Department of Biomedical Informatics, Asia University, Taichung, Taiwan.,Department of Pediatrics, Children's Hospital, China Medical University, Taichung, Taiwan
| | - Rouh-Mei Hu
- Department of Biomedical Informatics, Asia University, Taichung, Taiwan
| | - Tao-Wei Ke
- Division of Colorectal Surgery, Department of Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Hua-Che Chiang
- Division of Colorectal Surgery, Department of Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Sheng-Chi Chang
- Division of Colorectal Surgery, Department of Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Fuu-Jen Tsai
- Department of Pediatrics, Children's Hospital, China Medical University, Taichung, Taiwan
| | - Wan-Yu Lo
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan.,Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan.,Department of Life Science, National Chung Hsing University, Taichung, Taiwan
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The role of polymorphisms of genes CXCL12/CXCR4 and MIF in the risk development IBD the Polish population. Mol Biol Rep 2014; 41:4639-52. [PMID: 24687413 DOI: 10.1007/s11033-014-3335-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2013] [Accepted: 09/14/2013] [Indexed: 01/06/2023]
Abstract
Inflammatory bowel disease (IBD) are characterized recurrent inflammation of gastrointestinal tract. The etiology and pathogenesis this disease is currently unclear, but it has become evident that immune and genetic factors are involved in this process. The aim of this study was to determine whether gene polymorphisms: MIF-173 G/C; CXCL12-801 G/A and CXCR4 C/T exon 2 position of rs2228014 is associated with susceptibility to IBD. A total of 286 patients were examined with IBD, including 152 patients with ulcerative colitis and 134 with Crohn's disease (CD) and 220 healthy subjects were recruited from the Polish population. Genotyping for polymorphisms in CXCL12/CXCR4 and MIF was performed by RFLP-PCR. Statistical significance was found for polymorphisms CXCR4, a receptor gene for CXCL12 genotypes and alleles in CD and for genotype C/T and T allele in ulcerative colitis with respect to control. This confirms the effect of CXCL12 gene. The interplay between CXCL12 and its receptor CXCR4 affects homeostasis and inflammation in the intestinal mucosa. Three-gene analysis in CD confirmed the association of genotype GGGGCT. Statistical analysis of clinical data of patients with ulcerative colitis showed significant differences in the distribution of genotype C/T and T allele for CXCR4 in the left-side colitis. Having CXCR4/CXCL12 chemokine axis polymorphisms may predispose to the development of IBD. Activation can also be their defensive reaction to the long-lasting inflammation.
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Hao NB, He YF, Luo G, Yong X, Zhang Y, Yang SM. Macrophage migration inhibitory factor polymorphism and the risk of ulcerative colitis and Crohn's disease in Asian and European populations: a meta-analysis. BMJ Open 2013; 3:e003729. [PMID: 24366577 PMCID: PMC3884786 DOI: 10.1136/bmjopen-2013-003729] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVE To determine whether macrophage migration inhibitory factor (MIF) gene polymorphism is associated with the risk of inflammatory bowel disease (IBD). DESIGN System review and meta-analysis. METHODS MEDLINE, EMBASE, Web of Science databases, Cochrane Library and the Chinese Biomedical Literature database (CBM) were searched for the case-control trails for MIF and IBD. All the studies included in this manuscript met the inclusion and exclusion criteria. An OR analysis using a 95% CI was employed to assess the association of the MIF-173 G/C polymorphism with IBD susceptibility. RESULTS There was a significant association between the MIF-173 G/C gene polymorphism and IBD in the total population under the recessive model (CC vs GC+GG; OR=1.75, CI 1.04 to 2.95, p=0.04 for heterogeneity) and the codominant model (CC vs GG; OR=1.74, CI 1.02 to 2.97, p=0.04 for heterogeneity). In the stratified analysis by ethnicity, significantly increased risks were observed for Asians using the recessive (OR=1.75, CI 1.04 to 2.95, p=0.04 for heterogeneity) and codominant models (OR=1.74, CI 1.02 to 2.97, p=0.04 for heterogeneity). Within the subgroups of UC and CD, significant differences were observed regarding UC using the recessive (OR=1.60, CI 1.09 to 2.35, p=0.02 for heterogeneity) and codominant models (OR=1.64, CI 1.12 to 2.41, p=0.01 for heterogeneity). In the stratified analysis by ethnicity for UC, significant differences were observed regarding CC in Asians vs GC+GG (OR=1.73, CI 1.02 to 2.94, p=0.04 for heterogeneity). CONCLUSIONS The meta-analysis suggested that the MIF-173 G/C polymorphism contributed to the susceptibility of IBD. When considering the subgroups of ethnicity and UC and CD, the results suggested that the polymorphism is more significant for UC in Asians.
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Affiliation(s)
- Ning-Bo Hao
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Ya Fei He
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Gang Luo
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Xin Yong
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
| | - Yao Zhang
- Department of Epidemiology, Third Military Medical University, Chongqing, China
- The Evidence Based Medicine and Clinic Epidemiology Center, Third Military Medical University, Chongqing, China
| | - Shi-Ming Yang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
- Chongqing Key Laboratory for Diseases Proteomics, Southwest Hospital, Third Military Medical University, Chongqing, China
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19
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Falvey JD, Bentley RW, Merriman TR, Hampton MB, Barclay ML, Gearry RB, Roberts RL. Macrophage migration inhibitory factor gene polymorphisms in inflammatory bowel disease: An association study in New Zealand Caucasians and meta-analysis. World J Gastroenterol 2013; 19:6656-6664. [PMID: 24151396 PMCID: PMC3801383 DOI: 10.3748/wjg.v19.i39.6656] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 04/05/2013] [Accepted: 04/16/2013] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the association of macrophage migration inhibitory factor (MIF) promoter polymorphisms with inflammatory bowel disease (IBD) risk.
METHODS: One thousand and six New Zealand Caucasian cases and 540 Caucasian controls were genotyped for the MIF SNP -173G > C (rs755622) and the repeat polymorphism CATT5-8 (rs5844572) using a pre-designed TaqMan SNP assay and capillary electrophoresis, respectively. Data were analysed for single site and haplotype association with IBD risk and phenotype. Meta-analysis was employed, to assess cumulative evidence of association of MIF -173G > C with IBD. All published genotype data for MIF -173G > C in IBD were identified using PubMed and subsequently searching the references of all PubMed-identified studies. Imputed genotypes for MIF -173G > C were generated from the Wellcome Trust Case Control Consortium (and National Institute of Diabetes and Digestive and Kidney Diseases). Separate meta-analyses were performed on Caucasian Crohn’s disease (CD) (3863 patients, 6031 controls), Caucasian ulcerative colitis (UC) (1260 patients, 1987 controls), and East Asian UC (416 patients and 789 controls) datasets using the Mantel-Haenszel method. The New Zealand dataset had 93% power, and the meta-analyses had 100% power to detect an effect size of OR = 1.40 at α = 0.05, respectively.
RESULTS: In our New Zealand dataset, single-site analysis found no evidence of association of MIF polymorphisms with overall risk of CD, UC, and IBD or disease phenotype (all P values > 0.05). Haplotype analysis found the CATT5/-173C haplotype occurred at a higher frequency in New Zealand controls compared to IBD patients (0.6 vs 0.01; P = 0.03, OR = 0.22; 95%CI: 0.05-0.99), but this association did not survive bonferroni correction. Meta-analysis of our New Zealand MIF -173G > C data with data from seven additional Caucasian datasets using a random effects model found no association of MIF polymorphisms with CD, UC, or overall IBD. Similarly, meta-analysis of all published MIF -173G > C data from East Asian datasets (416 UC patients, 789 controls) found no association of this promoter polymorphism with UC.
CONCLUSION: We found no evidence of association of MIF promoter polymorphisms with IBD.
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Shen Y, Guo S, Yang T, Jia L, Chen L, An J, Wang T, Wen F. The -173 G/C polymorphism of the MIF gene and inflammatory bowel disease risk: a meta-analysis. Int J Mol Sci 2013; 14:11392-401. [PMID: 23759989 PMCID: PMC3709738 DOI: 10.3390/ijms140611392] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2013] [Accepted: 05/17/2013] [Indexed: 02/05/2023] Open
Abstract
The -173 G/C polymorphism in the macrophage migration inhibitory factor (MIF) gene has been implicated in susceptibility to inflammatory bowel disease (IBD), but the results are inconclusive. The present meta-analysis aimed to investigate the overall association between the -173 G/C polymorphism and IBD risk. We searched in Pubmed, and Embase for studies evaluating the association between the -173G/C gene polymorphism and IBD risk. Data were extracted and statistical analysis was performed using Revman 5.1 and STATA 12.0 software. A total of seven publications involving 4729 subjects (2282 IBD cases and 2447 controls) were included in this meta-analysis. Combined analysis revealed a clear association between this polymorphism and IBD susceptibility (OR = 1.48, 95% CI: 1.10-2.00, p = 0.009 for CC vs. CG + GG). Subgroup analysis by ethnicity showed that the IBD risk associated with the -173G/C gene polymorphism was significantly elevated among Asians (OR = 1.79, 95% CI: 1.08-2.96, p = 0.02), but not among Caucasians. Subgroup analysis by disease suggested that the -173G/C gene polymorphism is a risk factor for ulcerative colitis (OR = 1.62, 95% CI: 1.10-2.37, p = 0.01), but that it was not associated with Crohn's disease. This meta-analysis suggests that the -173 G/C polymorphism in the macrophage MIF gene contributes to IBD susceptibility, specifically in Asian populations. Further studies are needed to validate these findings.
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Affiliation(s)
- Yongchun Shen
- Division of Internal Medicine, West China Hospital of Sichuan University, Chengdu 610041, China.
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21
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Zhang H, Ma L, Dong LQ, Shu C, Xu JL. Association of the macrophage migration inhibitory factor gene--173G/C polymorphism with inflammatory bowel disease: a meta-analysis of 4296 subjects. Gene 2013; 526:228-31. [PMID: 23707797 DOI: 10.1016/j.gene.2013.05.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2012] [Revised: 05/01/2013] [Accepted: 05/06/2013] [Indexed: 12/26/2022]
Abstract
A variety of epidemiologic studies have focused on the association between macrophage migration inhibitory factor (MIF) gene--173G/C polymorphism and inflammatory bowel disease (IBD). However, results in different studies have been inconsistent. In order to derive a more precise estimation of the associations, we performed this meta-analysis and systematic searches of electronic databases PubMed and Web of Science (up to April 30, 2013). Based on our search criteria, a total of seven eligible studies concerning the MIF--173G/C polymorphism and IBD risk were included in the final meta-analysis, comprising 2162 IBD cases and 2134 controls. Significant association was found between MIF--173G/C polymorphism and the risk of IBD when all studies were pooled into the meta-analysis (for C allele vs. G allele: OR=1.25, 95% CI=1.12-1.41, p=0.000; for C/C vs. G/G: OR=1.71, 95% CI=1.23-2.39, p=0.002; for C/C+G/C vs. G/G: OR=1.24, 95% CI=1.09-1.42, p=0.002; for C/C vs. G/C+G/G: OR=1.67, 95% CI=1.20-2.33, p=0.002). Heterogeneity and publication bias did not exist in the overall comparisons. The present meta-analysis suggests an association between the MIF--173G/C polymorphism and IBD risk. However, due to few studies and the selection bias existed in some studies, the results should be interpreted with caution.
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Affiliation(s)
- Hui Zhang
- Department of Neurosurgery, Air Force General Hospital of the Chinese PLA, 30 Fucheng Road, Haidian District, Beijing 100142, China
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Tan SY, Wu PB, Zhang G, Luo HS, Yao WM. Association between macrophage migration inhibitory factor _173G/C polymorphism and inflammatory bowel disease: A meta-analysis. Shijie Huaren Xiaohua Zazhi 2013; 21:1140-1145. [DOI: 10.11569/wcjd.v21.i12.1140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To explore the association between macrophage migration inhibitory factor (MIF) -173G/C polymorphism and susceptibility to inflammatory bowel disease.
METHODS: Searches of electronic databases CBM, CNKI, PubMed and EMbase were performed to retrieve published case-control studies investigating the association between MIF -173G/C polymorphism and susceptibility to ulcerative colitis (UC) or Crohn's disease (CD). The pooled odds ratios (ORs) with 95% confidence intervals (95%CIs) were calculated using fixed-effect or random-effect methods based on the absence or presence of significant heterogeneity. Publication bias was assessed. All statistical analyses were conducted with STATA10.0 software.
RESULTS: Increased risk of UC was associated with MIF -173G/C polymorphism in the dominant genetic model (GG/C + C/C vs G/G: OR = 1.15, 95%CI: 1.00-1.32), the homozygote comparison (C/C vs G/G: OR = 1.54, 95%CI: 1.08-2.19) and recessive model (C/C vs G/C + G/G: OR = 1.52, 95%CI: 1.07-2.17). However, no association was found between MIF -173G/C polymorphism and susceptibility to CD.
CONCLUSION: Our meta-analysis strongly suggests that MIF -173G/C polymorphism is associated with susceptibility to UC. However, current studies do not support a direct relationship between MIF -173G/C polymorphism and susceptibility to CD.
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Yazdani N, Khorsandi Ashtiani MT, Zarandy MM, Mohammadi SJ, Ghazavi H, Mahrampour E, Amiri P, Amoli MM. Association between MIF gene variation and Meniere's disease. Int J Immunogenet 2013; 40:488-91. [PMID: 23566229 DOI: 10.1111/iji.12058] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Revised: 10/29/2012] [Accepted: 03/13/2013] [Indexed: 01/07/2023]
Abstract
Several pieces of evidence support the involvement of immune system in Menière's disease (MD). Macrophage migration inhibitory factor (MIF) plays a key role in immune-mediated reactions. Several studies have shown an association between MIF gene polymorphisms and susceptibility to various inflammatory and autoimmune disorders. The aim of this study was to explore the association between MIF-173 G/C polymorphism and MD in an Iranian population. In this case-control association study, MD cases (N = 72) were recruited and were comprised of definitive MD (N = 58) and probable MD (N = 14) subjects. Normal healthy subjects (N = 100) were also included. Genotyping for MIF-173 G/C polymorphism was carried out using PCR-RFLP technique. There was a significant increase in genotype GG in patients with MD compared with the control group. (GG vs. GC + CC, P = 0.02, OR = 2.08, 95% CI: 1.02-4.3). This was more significant when definitive MD was stratified and compared with the controls (GG vs. GC + CC, P = 0.009, OR = 2.6, 95% CI = 1.19-6.18). This study's result indicates the potential role of MIF in MD of which further evaluation is required. Also, the more significant association between MIF gene polymorphism and definitive MD designates the involvement of specific pathogenic mechanisms which may be considered as a marker for diagnosis.
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Affiliation(s)
- N Yazdani
- Otorhinolaryngology Research Center, Amir-Alam Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
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Nalbantoglu S, Tabel Y, Mir S, Berdeli A. Lack of association between macrophage migration inhibitory factor gene promoter (-173 G/C) polymorphism and childhood Henoch-Schönlein purpura in Turkish patients. Cytokine 2013; 62:160-4. [PMID: 23523092 DOI: 10.1016/j.cyto.2013.02.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Revised: 01/31/2013] [Accepted: 02/21/2013] [Indexed: 11/26/2022]
Abstract
Henoch-Schönlein purpura (HSP) is a small-vessel vasculitis of autoimmune hypersensitivity with rash, arthritis, abdominal pain and renal involvements. Macrophage migration inhibitory factor (MIF) is a immunoregulatory proinflammatory cytokine, and a major mediator at the inflammatory sites. The pathogenesis of HSP has not been fully elucidated. Here we aimed to assess the influence of macrophage migration inhibitory factor gene (-173 G/C) polymorphism in the susceptibility and clinical expression of patients with Henoch-Schönlein purpura (HSP). HSP patients (n:139) and ethnically matched healthy controls (n:100) were genotyped by PCR-RFLP. Genotype analysis of both polymorphisms did not reveal a significant deviation from Hardy-Weinberg equilibrium in any group (p > 0.05). No significant difference was obtained in genotype distribution (p > 0.05) and allele frequencies (p > 0.05) between patients and controls. A statistically significant genotype-phenotype correlation was not obtained when HSP patients were stratified by the presence of certain systemic complications and the macrophage migration inhibitory factor gene (-173 G/C) polymorphism (p > 0.05). A significant risk was not observed in the subjects both with the GC+CC genotype (p = 0.06, OR: 0.5538, 95% CI: 0.2985-1.0274) and C allele (odds ratio: C vs. G: 1.799, 95% CI: 1.002-3.23, p = 0.05). Our findings suggest that MIF gene -173 G/C polymorphism is not associated with HSP in the present Turkish population.
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Affiliation(s)
- Sinem Nalbantoglu
- Ege University, School of Medicine, Children's Hospital, Molecular Medicine Laboratory, Bornova, Izmir, Turkey.
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25
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Contribution of the -173 G/C polymorphism of macrophage migration inhibitory factor gene to the risk of inflammatory bowel diseases. POLISH JOURNAL OF SURGERY 2012; 83:76-80. [PMID: 22166284 DOI: 10.2478/v10035-011-0012-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
UNLABELLED Inflammatory bowel disease (IBD) represents a heterogeneous group of chronic disorders characterized by inflammation of gastrointestinal tract, typically with a relapsing and remitting clinical course of unknown etiology. Presumably, IBD develops with response exogenous environmental factors only in persons with genetic predisposition. This predisposition was suggested to be associated with polymorphism and mutations in genes encoding proinflammatory immune system proteins. Enhanced production of macrophage migration inhibitory factor (MIF) was found in patients with inflammatory bowel disease (IBD) and mice with experimental colitis. These results suggest that MIF plays a critical role in etiology of the colitis.The aim of the study was determine whether the MIF -173 G/C gene polymorphism is associated with the susceptibility to inflammatory bowel disease (IBD). MATERIAL AND METHODS A total of 99 IBD patients, including 58 patients with ulcerative colitis (UC) and 41 with Crohn's disease (CD) and 436 healthy controls recruited from the Polish population, were genotyped for MIF polymorphisms. Genotyping of MIF gene polymorphism was performed by a RFLP-PCR. RESULTS We found an increased risk of UC for the C allele of the MIF-173 G/C polymorphism. The distribution of the genotypes was not significantly different in the CD group compared with the controls. CONCLUSIONS We demonstrated that the C allele is associated with an increased risk for development of UC. This suggests that the G/C polymorphism in the MIF gene promoter may be a potential risk factor for UC in Polish population.
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Sivaram G, Tiwari SK, Bardia A, Anjum F, Vishnupriya S, Habeeb A, Khan AA. Macrophage migration inhibitory factor, Toll-like receptor 4, and CD14 polymorphisms with altered expression levels in patients with ulcerative colitis. Hum Immunol 2011; 73:201-5. [PMID: 22192785 DOI: 10.1016/j.humimm.2011.12.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2011] [Revised: 11/06/2011] [Accepted: 12/01/2011] [Indexed: 02/07/2023]
Abstract
Ulcerative colitis is a multifactorial disease in which genetic factors play a major role. Functional mutations in the genes related to innate immune response exacerbate mucosal damage coupled with persistent inflammation. The cytokine macrophage migration inhibitory factor (MIF), CD14, and Toll-like receptor 4 (TLR4) are the central players with clearly defined roles in inflammation. The aim of this study was to investigate the association between MIF-173G > C, CD14-159C > T, and TLR4-299A > G polymorphisms and mononuclear cell expression in patients with ulcerative colitis (UC). Genotyping of MIF-173G > C, CD14-159C > T, and TLR4-299A > G polymorphisms was performed by amplification refractory mutation system-polymerase chain reaction and allele-specific amplification in 139 and 176 patients with UC and controls, respectively. Simultaneously, the expression levels of intracellular MIF, mCD14, and mTLR4 were determined in mononuclear cells using a flow cytometer. Polymorphisms in CD14-159C > T and TLR4-299A > G significantly affected mCD14 and mTLR4 expression levels and also increased susceptibility to UC. Although intracellular MIF expression levels differed among patient and control groups, the polymorphism in MIF 173G > C was not observed to be associated with a risk of UC.
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Affiliation(s)
- Gunisetty Sivaram
- Centre for Liver Research and Diagnostics, Deccan College of Medical Sciences, Kanchanbagh, Hyderabad 500 058, Andhra Pradesh, India
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Bossini-Castillo L, Simeon CP, Beretta L, Vonk MC, Callejas-Rubio JL, Espinosa G, Carreira P, Camps MT, Rodríguez-Rodríguez L, Rodríguez-Carballeira M, García-Hernández FJ, López-Longo FJ, Hernández-Hernández V, Sáez-Comet L, Egurbide MV, Hesselstrand R, Nordin A, Hoffmann-Vold AM, Vanthuyne M, Smith V, De Langhe E, Kreuter A, Riemekasten G, Witte T, Hunzelmann N, Voskuyl AE, Schuerwegh AJ, Lunardi C, Airó P, Scorza R, Shiels P, van Laar JM, Fonseca C, Denton C, Herrick A, Worthington J, Koeleman BP, Rueda B, Radstake TRDJ, Martin J. Confirmation of association of the macrophage migration inhibitory factor gene with systemic sclerosis in a large European population. Rheumatology (Oxford) 2011; 50:1976-81. [DOI: 10.1093/rheumatology/ker259] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Abstract
Ulcerative colitis (UC) is a chronic intestinal inflammatory disease whose etiology is still unknown. It is widely believed that UC is a kind of non-specific inflammatory disease which is caused by environmental factors and autoimmune disorders in people who carry susceptibility genes. Epidemiologic data, such as familial aggregation, twin studies, and racial/ethnic differences in disease prevalence, indicate that there are genetic contributions to UC pathogenesis. In this article, we will review the recent progress in research of genes associated with susceptibility to UC.
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Abstract
Macrophage migration inhibitory factor (MIF) is a pleiotropic proinflammatory cytokine that has been implicated as playing a causative role in many disease states, including sepsis, pneumonia, diabetes, rheumatoid arthritis, inflammatory bowel disease, psoriasis and cancer. To inhibit the enzymatic and biologic activities of MIF, we and others have developed small-molecule MIF inhibitors. Most MIF inhibitors bind within the hydrophobic pocket that contains highly conserved amino acids known to be essential for MIF's proinflammatory activity. The best characterized of these small-molecule MIF inhibitors, (S,R)-3-(4-hydroxyphenyl)-4,5-dihydro-5-isoxazole acetic acid methyl ester (ISO-1) has been validated in scores of laboratories worldwide. Like neutralizing anti-MIF antibodies, ISO-1 significantly improves survival and reduces disease progression and/or severity in multiple murine models where MIF is implicated. This MIF inhibitor, its derivatives and other MIF-targeted compounds show great promise for future testing in disease states where increased MIF activity has been discovered.
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O'Connor PM, Lapointe TK, Beck PL, Buret AG. Mechanisms by which inflammation may increase intestinal cancer risk in inflammatory bowel disease. Inflamm Bowel Dis 2010; 16:1411-20. [PMID: 20155848 DOI: 10.1002/ibd.21217] [Citation(s) in RCA: 101] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Patients with ulcerative colitis and Crohn's disease are at increased risk of developing intestinal cancers via mechanisms that remain incompletely understood. However, chronic inflammation and repeated events of inflammatory relapse in inflammatory bowel disease (IBD) expose these patients to a number of signals known to have tumorigenic effects including persistent activation of the nuclear factor-kappaB and cyclooxygenase-2/prostaglandin pathways, release of proinflammatory mediators such as tumor necrosis factor-alpha and interleukin-6, and enhanced local levels of reactive oxygen and nitrogen species. These inflammatory signals can contribute to carcinogenesis via 3 major processes: 1) by increasing oxidative stress, which promotes DNA mutagenesis thus contributing to tumor initiation; 2) by activating prosurvival and antiapoptotic pathways in epithelial cells, thereby contributing to tumor promotion; and 3) by creating an environment that supports sustained growth, angiogenesis, migration, and invasion of tumor cells, thus supporting tumor progression and metastasis. The present review integrates clinical and basic research observations in an attempt to provide a comprehensive understanding of how inflammatory processes may contribute to intestinal cancer development in IBD patients.
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Affiliation(s)
- Pamela M O'Connor
- Department of Biological Sciences and Inflammation Research Network, University of Calgary, Calgary, Alberta, Canada
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Xue Y, Xu H, Rong L, Lu Q, Li J, Tong N, Wang M, Zhang Z, Fang Y. The MIF -173G/C polymorphism and risk of childhood acute lymphoblastic leukemia in a Chinese population. Leuk Res 2010; 34:1282-6. [PMID: 20447688 DOI: 10.1016/j.leukres.2010.03.030] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2009] [Revised: 02/26/2010] [Accepted: 03/17/2010] [Indexed: 01/06/2023]
Abstract
Migration inhibitory factor (MIF) has recently been defined as a novel pro-tumorigenic factor that promotes cell proliferation, migration, and invasion. The MIF -173C allele results in increased MIF promoter activity and is associated with a higher serum MIF level. We hypothesized that this polymorphism may contribute to childhood acute lymphoblastic leukemia (ALL) susceptibility. We genotyped the MIF -173G/C polymorphism (rs755622) in 346 ALL cases and 516 cancer-free controls in a Chinese population and found that the variant genotype GC and the combined genotypes GC/CC were associated with a significantly higher risk of childhood ALL [adjusted odds ratio (OR)=1.39, 95% confidence interval (CI)=1.01-1.93 for GC and adjusted OR=1.38, 95% CI=1.01-1.89 for GC/CC]. In addition, we found that the increased risk was more pronounced among high-risk ALL and B-phenotype ALL patients. Our results suggest that the MIF -173G/C polymorphism is involved in the etiology of childhood ALL and is a potential candidate gene for determining cancer susceptibility. Further validations in other populations are warranted.
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Affiliation(s)
- Yao Xue
- Department of Hematology and Oncology, The Affiliated Nanjing Children's Hospital of Nanjing Medical University, No. 72 Guanzhou Road, Nanjing 210008, China
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Zhao C, Zhang SH, Wu HG, Cui YH, Zhou CL. Advances in research on gene polymorphisms in ulcerative colitis. Shijie Huaren Xiaohua Zazhi 2009; 17:3711-3714. [DOI: 10.11569/wcjd.v17.i36.3711] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The morbidity of ulcerative colitis is associated with gene polymorphisms. Genome-wide association studies have identified many ulcerative colitis-predisposing genes. In this article, we will review the recent advances in research on gene polymorphisms in ulcerative colitis by providing an overview of high-frequency predisposing genes and new predisposing genes for ulcerative colitis.
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Lehmann LE, Book M, Hartmann W, Weber SU, Schewe JC, Klaschik S, Hoeft A, Stüber F. A MIF haplotype is associated with the outcome of patients with severe sepsis: a case control study. J Transl Med 2009; 7:100. [PMID: 19941661 PMCID: PMC2789716 DOI: 10.1186/1479-5876-7-100] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2009] [Accepted: 11/26/2009] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Macrophage migration inhibitory factor (MIF) plays an important regulatory role in sepsis. In the promoter region a C/G single nucleotide polymorphism (SNP) at position -173 (rs755622) and a CATT5-8 microsatellite at position -794 are related to modified promoter activity. The purpose of the study was to analyze their association with the incidence and outcome of severe sepsis. METHODS Genotype distributions and allele frequencies in 169 patients with severe sepsis, 94 healthy blood donors and 183 postoperative patients without signs of infection or inflammation were analyzed by real time PCR and Sequence analysis. All included individuals were Caucasians. RESULTS Genotype distribution and allele frequencies of severe sepsis patients were comparable to both control groups. However, the genotype and allele frequencies of both polymorphisms were associated significantly with the outcome of severe sepsis. The highest risk of dying from severe sepsis was detectable in patients carrying a haplotype with the alleles -173 C and CATT7 (p = 0.0005, fisher exact test, RR = 1,806, CI: 1.337 to 2.439). CONCLUSION The haplotype with the combination of the -173 C allele and the -794 CATT7 allele may not serve as a marker for susceptibility to sepsis, but may help identify septic patients at risk of dying.
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Affiliation(s)
- Lutz E Lehmann
- University Department of Anaesthesiology and Pain Therapy, Inselspital, CH-3010 Bern, Switzerland.
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Torres OA, Calzada JE, Beraún Y, Morillo CA, González CI, González A, Martín J. Association of the macrophage migration inhibitory factor -173G/C polymorphism with Chagas disease. Hum Immunol 2009; 70:543-6. [PMID: 19376177 DOI: 10.1016/j.humimm.2009.04.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2008] [Revised: 04/02/2009] [Accepted: 04/10/2009] [Indexed: 01/25/2023]
Abstract
Our aim was to evaluate the association of functional polymorphism of macrophage migration inhibitory factor (MIF) gene with Chagas disease. Our study includes two independent cohorts: 240 chagasic patients and 199 controls from Colombia; and 74 chagasic patients and 85 controls from Peru. The single nucleotide polymorphism (SNP) -173 G/C of MIF gene was determined using a polymerase chain reaction (PCR) system with pre-developed TaqMan assay. We observed a statistically significant difference in the distribution of -173*C allele of MIF gene between patients and controls in the Colombian cohort (OR = 1.6, 95% CI = 1.12-2.18, p = 0.006). Similar association was found in the Peruvian cohort (OR = 2.4, 95% CI = 1.31-4.38, p = 0.003). A meta-analysis of the Colombian and Peruvian cohorts demonstrated that the -173 C allele confers a risk effect in chagasic patients (pooled OR = 1.75, 95% CI = 1.30-2.33, p = 0.0002). In addition, a gene dose of the MIF -173 C allele was observed (pooled OR = 4.01, 95% CI = 1.25-12.85, p = 0.004). Our results suggest that the MIF -173G/C polymorphism confers susceptibility to Chagas disease in the populations under study.
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Affiliation(s)
- Orlando A Torres
- Instituto de Parasitología y Biomedicina López-Neyra, CSIC, Granada, Spain
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Abstract
Inflammatory bowel disease (IBD) includes two similar yet distinct conditions called ulcerative colitis (UC) and Crohn's disease (CD). These diseases affect the digestive system and cause the inflammation of intestinal tissue, form sores and bleed easily. Most children with IBD are diagnosed in late childhood and adolescence. However, both UC and CD have been reported as early as in infancy. Most information pertaining to the epidemiology of IBD is based upon adult studies. Symptoms include abdominal pain, cramping, fatigue and diarrhea. Genetic factors play a significant role in determining IBD susceptibility. Epidemiological data support a genetic contribution to the pathogenesis of IBD. Recently, numerous new genes have been identified as being involved in the genetic susceptibility to IBD: TNF-308A, CARD15 (NOD2), MIF-173, N-acetyltransferase 2 (NAT2), NKG2D (natural killer cell 2D), STAT6 (signal transducer and activator of transcription 6), CTLA-4 (cytotoxic T lymphocyte antigen-4), MICA-MICB (major histocompatibility complex A and B), HLA-DRB1, HLA class-II, IL-18, IL-4, MICA-A5, CD14, TLR4, Fas-670, p53 and NF-κB. The characterization of these novel genes has the potential to identify therapeutic agents and aid clinical assessment of phenotype and prognosis in patients with IBD (UC and CD).
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Wu J, Chen F, Zhang X, Li Y, Ma H, Zhou Y, Jin Y, Wang H, Bai J, Zhang G, Fu S. Association of MIF promoter polymorphisms with psoriasis in a Han population in northeastern China. J Dermatol Sci 2009; 53:212-5. [PMID: 19157791 DOI: 10.1016/j.jdermsci.2008.11.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2008] [Revised: 11/10/2008] [Accepted: 11/13/2008] [Indexed: 11/29/2022]
Abstract
BACKGROUND Macrophage migration inhibitory factor (MIF) is a pro-inflammatory cytokine that plays an important part in the pathogenesis of autoimmune diseases. A high level of MIF has been detected in plaques of psoriasis and the sera of patients with psoriasis. Polymorphisms associated with autoimmune and inflammatory diseases exist in the promoter region of MIF and alter its expression. OBJECTIVE The aim of this study was to evaluate the potential relationship between functional polymorphisms of MIF and psoriasis in a Han population in northeastern China. METHODS Two-hundred-and-forty psoriasis patients and a control group of 269 healthy volunteers were included in this study. We genotyped MIF-173G/C using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). MIF-794CATT(5-8) microsatellite polymorphism was genotyped by polyacrylamide gel electrophoresis (PAGE). RESULTS No significant difference in the distributions of alleles, genotypes and haplotypes was observed between patients and controls. When patients were divided into subtypes according to sex, family history and age of onset, distribution of the MIF-173C allele between male and female patients was significantly different (P=0.04). MIF-173C allelic distribution between late onset psoriasis patients and controls was also different (P=0.02), as well as late onset patients and early onset subjects (P=0.04). CONCLUSIONS These results suggested a preliminary association between the MIF-173C allele and male psoriasis and late onset psoriasis in the studied population. In addition, the distributions of the two polymorphisms in Asian populations were quite different from the other continental populations.
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Affiliation(s)
- Jie Wu
- Laboratory of Medical Genetics, Harbin Medical University, Harbin 150081, China
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