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Kommer A, Meineck M, Classen P, Weinmann-Menke J. A20 in Kidney Transplantation and Autoimmunity. Int J Mol Sci 2024; 25:6628. [PMID: 38928333 PMCID: PMC11203976 DOI: 10.3390/ijms25126628] [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: 05/10/2024] [Revised: 06/06/2024] [Accepted: 06/08/2024] [Indexed: 06/28/2024] Open
Abstract
A20, the central inhibitor of NFκB, has multiple anti-inflammatory properties, making it an interesting target in kidney autoimmune disease and transplant biology. It has been shown to be able to inhibit inflammatory functions in macrophages, dendritic cells, T cells, and B cells in various ways, leading to less tissue damage and better graft outcomes. In this review, we will discuss the current literature regarding A20 in kidney transplantation and autoimmunity. Future investigations on animal models and in existing immunosuppressive therapies are needed to establish A20 as a therapeutic target in kidney transplantation and autoimmunity. Cell-based therapies, modified viruses or RNA-based therapies could provide a way for A20 to be utilized as a promising mediator of inflammation and tissue damage.
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Affiliation(s)
- Andreas Kommer
- Department of Nephrology, I. Department of Medicine, University Medical Center Mainz, Johannes Gutenberg University, D 55131 Mainz, Germany; (M.M.); (P.C.)
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Krylov MY, Erdes SF, Konovalova NV, Varlamov DA. Polymorphism rs10499194 of the TNFA1P3 gene is not associated with a predisposition to ankylosing spondylitis in the Russian cohort of patients. RHEUMATOLOGY SCIENCE AND PRACTICE 2022. [DOI: 10.47360/1995-4484-2022-624-629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Background. Recently, numerous studies have shown that TNFAIP3 gene polymorphisms have been associated with susceptibility to certain autoimmune inflammatory diseases, including systemic lupus erythematosus, scleroderma, rheumatoid arthritis and psoriasis. However, the results of studies devoted to the study of associations between TNFAIP3 gene polymorphisms and the risk of ankylosing spondylitis (AS) are ambiguous and few.The aim of the study was to study the possible association of hs10499194 polymorphism of the TNFAIP3 gene with a predisposition to AS and its clinical phenotypes.Material and methods. The rs10499194 S/T polymorphism of the TNFA1P3 gene was studied in two hundred patients with AS (130 men and 70 women). All patients were diagnosed with AS, according to the modified New York criteria, 1984 and high activity of the disease. Demographic and clinical-serological characteristics were studied in all patients. The average age of patients was 39.4±12.6 years; the average duration of the disease was 15.0±10.6 years. Out of 200 patients, 175 (87.5%) were seropositive for HLA-B27 antigen. Extra axial arthritis was detected in 125 (62.5%) patients, 148 (74.0%) had enthesitis, 137 (68.5%) had coxitis. The polymorphism rs10499194 of the TNFAIP3 gene was studied using an allelespecific polymerase chain reaction in real time (PCR-RV) using the Synthol kit.Results. The analysis of the frequencies of genotypes and alleles did not show significant differences with the control group. Stratification by sex, age, and clinical manifestations showed an association of the CT genotype with an increased risk of AS among men (OR=2.24; p=0.010), the TT genotype and the T allele with a high risk of predisposition to the development of extra axillary peripheral arthritis (OR=3.94; p=0.019 and OR=1.64; p=0.027 respectively). The BASDAI index was statistically significantly higher in carriers of the TT genotype compared to the CT genotype (p=0.002).Conclusion. The present study confirmed the association of the genetic polymorphism rs10499194 of the TNFAIP3 gene with AS. Stratification by gender and clinical manifestations showed an association of the CT genotype with an increased risk of AS among men, the TT genotype and the T allele with a high risk of predisposition to the development of extra axillary peripheral arthritis and a high BASDAI index in carriers of the TT genotype.
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Affiliation(s)
| | - Sh. F. Erdes
- V.A. Nasonova Research Institute of Rheumatology
| | | | - D. A. Varlamov
- All-Russian Research Institute of Agricultural Biotechnology
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Gomez-Pinedo U, Matías-Guiu JA, Torre-Fuentes L, Montero-Escribano P, Hernández-Lorenzo L, Pytel V, Maietta P, Alvarez S, Sanclemente-Alamán I, Moreno-Jimenez L, Ojeda-Hernandez D, Villar-Gómez N, Benito-Martin MS, Selma-Calvo B, Vidorreta-Ballesteros L, Madrid R, Matías-Guiu J. Variant rs4149584 (R92Q) of the TNFRSF1A gene in patients with familial multiple sclerosis. Neurologia 2022:S2173-5808(22)00087-6. [PMID: 35963536 DOI: 10.1016/j.nrleng.2022.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 07/15/2022] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION Genomic studies have identified numerous genetic variants associated with susceptibility to multiple sclerosis (MS); however, each one explains only a small percentage of the risk of developing the disease. These variants are located in genes involved in specific pathways, which supports the hypothesis that the risk of developing MS may be linked to alterations in these pathways, rather than in specific genes. We analyzed the role of the TNFRSF1A gene, which encodes one of the TNF-α receptors involved in a signaling pathway previously linked to autoimmune disease. METHODS We included 138 individuals from 23 families including at least 2 members with MS, and analyzed the presence of exonic variants of TNFRSF1A through whole-exome sequencing. We also conducted a functional study to analyze the pathogenic mechanism of variant rs4149584 (-g.6442643C > G, NM_001065.4:c.362 G > A, R92Q) by plasmid transfection into human oligodendroglioma (HOG) cells, which behave like oligodendrocyte lineage cells; protein labeling was used to locate the protein within cells. We also analyzed the ability of transfected HOG cells to proliferate and differentiate into oligodendrocytes. RESULTS Variant rs4149584 was found in 2 patients with MS (3.85%), one patient with another autoimmune disease (7.6%), and in 5 unaffected individuals (7.46%). The 2 patients with MS and variant rs4149584 were homozygous carriers and belonged to the same family, whereas the remaining individuals presented the variant in heterozygosis. The study of HOG cells transfected with the mutation showed that the protein does not reach the cell membrane, but rather accumulates in the cytoplasm, particularly in the endoplasmic reticulum and near the nucleus; this suggests that, in the cells presenting the mutation, TNFRSF1 does not act as a transmembrane protein, which may alter its signaling pathway. The study of cell proliferation and differentiation found that transfected cells continue to be able to differentiate into oligodendrocytes and are probably still capable of producing myelin, although they present a lower rate of proliferation than wild-type cells. CONCLUSIONS Variant rs4149584 is associated with risk of developing MS. We analyzed its functional role in oligodendrocyte lineage cells and found an association with MS in homozygous carriers. However, the associated molecular alterations do not influence the differentiation into oligodendrocytes; we were therefore unable to confirm whether this variant alone is pathogenic in MS, at least in heterozygosis.
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Affiliation(s)
- U Gomez-Pinedo
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain.
| | - J A Matías-Guiu
- Department of Neurology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - L Torre-Fuentes
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - P Montero-Escribano
- Department of Neurology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - L Hernández-Lorenzo
- Department of Neurology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - V Pytel
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain; Department of Neurology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | | | | | - I Sanclemente-Alamán
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - L Moreno-Jimenez
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - D Ojeda-Hernandez
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - N Villar-Gómez
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - M S Benito-Martin
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - B Selma-Calvo
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - L Vidorreta-Ballesteros
- Department of Neurology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | | | - J Matías-Guiu
- Laboratory of Neurobiology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain; Department of Neurology, Institute of Neurosciences, IdISSC, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
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Swindell WR, Bojanowski K, Chaudhuri RK. Transcriptomic Analysis of Fumarate Compounds Identifies Unique Effects of Isosorbide Di-(Methyl Fumarate) on NRF2, NF-kappaB and IRF1 Pathway Genes. Pharmaceuticals (Basel) 2022; 15:ph15040461. [PMID: 35455458 PMCID: PMC9026097 DOI: 10.3390/ph15040461] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 04/09/2022] [Accepted: 04/10/2022] [Indexed: 11/16/2022] Open
Abstract
Dimethyl fumarate (DMF) has emerged as a first-line therapy for relapsing-remitting multiple sclerosis (RRMS). This treatment, however, has been limited by adverse effects, which has prompted development of novel derivatives with improved tolerability. We compared the effects of fumarates on gene expression in astrocytes. Our analysis included diroximel fumarate (DRF) and its metabolite monomethyl fumarate (MMF), along with a novel compound isosorbide di-(methyl fumarate) (IDMF). Treatment with IDMF resulted in the largest number of differentially expressed genes. The effects of DRF and MMF were consistent with NRF2 activation and NF-κB inhibition, respectively. IDMF responses, however, were concordant with both NRF2 activation and NF-κB inhibition, and we confirmed IDMF-mediated NF-κB inhibition using a reporter assay. IDMF also down-regulated IRF1 expression and IDMF-decreased gene promoters were enriched with IRF1 recognition sequences. Genes altered by each fumarate overlapped significantly with those near loci from MS genetic association studies, but IDMF had the strongest overall effect on MS-associated genes. These results show that next-generation fumarates, such as DRF and IDMF, have effects differing from those of the MMF metabolite. Our findings support a model in which IDMF attenuates oxidative stress via NRF2 activation, with suppression of NF-κB and IRF1 contributing to mitigation of inflammation and pyroptosis.
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Affiliation(s)
- William R. Swindell
- Department of Internal Medicine, The Jewish Hospital, Cincinnati, OH 45236, USA
- Correspondence:
| | - Krzysztof Bojanowski
- Sunny BioDiscovery Inc., Santa Paula, CA 93060, USA;
- Symbionyx Pharmaceuticals Inc., Boonton, NJ 07005, USA;
| | - Ratan K. Chaudhuri
- Symbionyx Pharmaceuticals Inc., Boonton, NJ 07005, USA;
- Sytheon Ltd., Boonton, NJ 07005, USA
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Brain Immunoinformatics: A Symmetrical Link between Informatics, Wet Lab and the Clinic. Symmetry (Basel) 2021. [DOI: 10.3390/sym13112168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Breakthrough advances in informatics over the last decade have thoroughly influenced the field of immunology. The intermingling of machine learning with wet lab applications and clinical results has hatched the newly defined immunoinformatics society. Immunoinformatics of the central neural system, referred to as neuroimmunoinformatics (NII), investigates symmetrical and asymmetrical interactions of the brain-immune interface. This interdisciplinary overview on NII is addressed to bioscientists and computer scientists. We delineate the dominating trajectories and field-shaping achievements and elaborate on future directions using bridging language and terminology. Computation, varying from linear modeling to complex deep learning approaches, fuels neuroimmunology through three core directions. Firstly, by providing big-data analysis software for high-throughput methods such as next-generation sequencing and genome-wide association studies. Secondly, by designing models for the prediction of protein morphology, functions, and symmetrical and asymmetrical protein–protein interactions. Finally, NII boosts the output of quantitative pathology by enabling the automatization of tedious processes such as cell counting, tracing, and arbor analysis. The new classification of microglia, the brain’s innate immune cells, was an NII achievement. Deep sequencing classifies microglia in “sensotypes” to accurately describe the versatility of immune responses to physiological and pathological challenges, as well as to experimental conditions such as xenografting and organoids. NII approaches complex tasks in the brain-immune interface, recognizes patterns and allows for hypothesis-free predictions with ultimate targeted individualized treatment strategies, and personalizes disease prognosis and treatment response.
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Li H, Hou X, Liang Y, Xu F, Zhang X, Cui P, Xing G, Wang X, Jiang W. Gene-Based Tests of a Genome-Wide Association Study Dataset Highlight Novel Multiple Sclerosis Risk Genes. Front Neurosci 2021; 15:614528. [PMID: 34045940 PMCID: PMC8144314 DOI: 10.3389/fnins.2021.614528] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 04/14/2021] [Indexed: 01/09/2023] Open
Abstract
Multiple sclerosis (MS) is an autoimmune disorder influenced by genetic and environmental factors. Many studies have provided insights into genetic factors’ contribution to MS via large-scale genome-wide association study (GWAS) datasets. However, genetic variants identified to date do not adequately explain genetic risks for MS. This study hypothesized that novel MS risk genes could be identified by analyzing the MS-GWAS dataset using gene-based tests. We analyzed a GWAS dataset consisting of 9,772 MS cases and 17,376 healthy controls of European descent. We performed gene-based tests of 464,357 autosomal single nucleotide polymorphisms (SNPs) using two methods (PLINK and VEGAS2) and identified 28 shared genes satisfied p-value < 4.56 × 10–6. In further gene expression analysis, ten of the 28 genes were significantly differentially expressed in the MS case-control gene expression omnibus (GEO) database. GALC and HLA-DOB showed the most prominent differences in gene expression (two- and three-fold, respectively) between MS patients and healthy controls. In conclusion, our results reveal more information about MS hereditary characteristics and provide a basis for further studies.
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Affiliation(s)
- He Li
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Xiaodan Hou
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Yan Liang
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Fang Xu
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Xiyue Zhang
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Pan Cui
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Gebeili Xing
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, China.,Department of Neurology, Inner Mongolia People's Hospital, Hohhot, China
| | - Xuejiao Wang
- Department of Neurology, Datong Third People's Hospital, Datong, China
| | - Wei Jiang
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, China
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Hausmann LD, de Almeida BS, de Souza IR, Drehmer MN, Fernandes BL, Wilkens RS, Vieira DSC, Lofgren SE, Lindenau JDR, de Toledo E Silva G, Muniz YCN. Association of TNFRSF1A and IFNLR1 Gene Polymorphisms with the Risk of Developing Breast Cancer and Clinical Pathologic Features. Biochem Genet 2021; 59:1233-1246. [PMID: 33751344 DOI: 10.1007/s10528-021-10060-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 03/10/2021] [Indexed: 12/27/2022]
Abstract
Several genes have been associated with breast cancer (BC) susceptibility. The tumor necrosis factor receptor superfamily, member 1A (TNFRSF1A), and interferon lambda receptor 1 (IFNLR1) genes encode receptors that mediate the action of inflammatory cytokines. Previous studies have demonstrated the association of the variants rs1800693 (TNFRSF1A) and rs4649203 (IFNLR1) with some inflammatory diseases. The present study aimed to verify a possible association of these variants with BC, its clinical pathologic features, as well as epidemiological data in a Brazilian population. A total of 243 patients and 294 individuals without history of BC were genotyped for these polymorphisms through TaqMan® SNP genotyping assays by qPCR. For the TNFRSF1A gene, no significant results were found. For IFNLR1, the AA genotype (p = 0.008) and the A allele (p = 0.02) were significantly associated with a lower risk of developing BC. When analyzing the age, it was observed that each increase of one year contributes to the development of BC (p < 0.001). Also, the smoking habit (p < 0.001) and body mass index (p = 0.018) increase the risk of disease development. Analyzing progesterone receptor factor an association was found with the AA genotype of the IFNLR1 (p = 0.02). The findings suggest that polymorphism in the immune-related IFNLR1 gene contribute to BC susceptibility in a Brazilian population. These findings can contribute to the further understanding of the role this gene and pathways in BC development.
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Affiliation(s)
- Leili Daiane Hausmann
- Department of Cell Biology, Embryology and Genetics (BEG), School of Biological Sciences (CCB), Universidade Federal de Santa Catarina (UFSC), Florianópolis, 88040-900, Brazil.
| | - Bibiana Sgorla de Almeida
- Department of Cell Biology, Embryology and Genetics (BEG), School of Biological Sciences (CCB), Universidade Federal de Santa Catarina (UFSC), Florianópolis, 88040-900, Brazil
| | - Ilíada Rainha de Souza
- Department of Cell Biology, Embryology and Genetics (BEG), School of Biological Sciences (CCB), Universidade Federal de Santa Catarina (UFSC), Florianópolis, 88040-900, Brazil
| | - Manuela Nunes Drehmer
- Department of Cell Biology, Embryology and Genetics (BEG), School of Biological Sciences (CCB), Universidade Federal de Santa Catarina (UFSC), Florianópolis, 88040-900, Brazil
| | - Braulio Leal Fernandes
- Polydoro Ernani de São, Thiago University Hospital (HU/UFSC), Florianópolis, 88036-800, Brazil
| | - Renato Salerno Wilkens
- Polydoro Ernani de São, Thiago University Hospital (HU/UFSC), Florianópolis, 88036-800, Brazil
| | | | - Sara Emelie Lofgren
- Department of Cell Biology, Embryology and Genetics (BEG), School of Biological Sciences (CCB), Universidade Federal de Santa Catarina (UFSC), Florianópolis, 88040-900, Brazil
| | - Juliana Dal-Ri Lindenau
- Department of Cell Biology, Embryology and Genetics (BEG), School of Biological Sciences (CCB), Universidade Federal de Santa Catarina (UFSC), Florianópolis, 88040-900, Brazil
| | - Guilherme de Toledo E Silva
- Department of Cell Biology, Embryology and Genetics (BEG), School of Biological Sciences (CCB), Universidade Federal de Santa Catarina (UFSC), Florianópolis, 88040-900, Brazil
| | - Yara Costa Netto Muniz
- Department of Cell Biology, Embryology and Genetics (BEG), School of Biological Sciences (CCB), Universidade Federal de Santa Catarina (UFSC), Florianópolis, 88040-900, Brazil
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Razani B, Malynn BA, Ma A. Preserving immune homeostasis with A20. Adv Immunol 2020; 148:1-48. [PMID: 33190732 DOI: 10.1016/bs.ai.2020.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
A20/TNFAIP3 is a TNF induced gene that plays a profound role in preserving cellular and organismal homeostasis (Lee, et al., 2000; Opipari etal., 1990). This protein has been linked to multiple human diseases via genetic, epigenetic, and an emerging series of patients with mono-allelic coding mutations. Diverse cellular functions of this pleiotropically expressed protein include immune-suppressive, anti-inflammatory, and cell protective functions. The A20 protein regulates ubiquitin dependent cell signals; however, the biochemical mechanisms by which it performs these functions is surprisingly complex. Deciphering these cellular and biochemical facets of A20 dependent biology should greatly improve our understanding of murine and human disease pathophysiology as well as unveil new mechanisms of cell and tissue biology.
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Affiliation(s)
- Bahram Razani
- Department of Dermatology, University of California, San Francisco, CA, United States
| | - Barbara A Malynn
- Department of Medicine, University of California, San Francisco, San Francisco, CA, United States
| | - Averil Ma
- Department of Medicine, University of California, San Francisco, San Francisco, CA, United States.
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NF-κB Activation Accounts for the Cytoprotective Effects of PERK Activation on Oligodendrocytes during EAE. J Neurosci 2020; 40:6444-6456. [PMID: 32661025 DOI: 10.1523/jneurosci.1156-20.2020] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/22/2020] [Accepted: 06/30/2020] [Indexed: 01/09/2023] Open
Abstract
Previous studies demonstrate that activation of pancreatic ER kinase (PERK) protects oligodendrocytes against inflammation in the experimental autoimmune encephalomyelitis (EAE) model of multiple sclerosis (MS). Interestingly, data indicate that the cytoprotective effects of PERK activation on oligodendrocytes during EAE are not mediated by activating transcription factor 4 (ATF4) but are accompanied by activation of nuclear factor κB (NF-κB). NF-κB plays a critical role in MS and EAE; however, the effects of NF-κB activation on oligodendrocytes in these diseases remain elusive. Herein, we generated a mouse model that allow for activation of NF-κB specifically in oligodendrocytes and found that enhanced NF-κB activation in oligodendrocytes had a minimal effect on their viability and function under normal conditions (both male and female mice). Interestingly, we found that enhanced NF-κB activation in oligodendrocytes attenuated EAE disease severity and ameliorated EAE-induced oligodendrocyte loss, demyelination, and axon degeneration, without affecting inflammation (female mice). Moreover, we showed that the detrimental effects of PERK inactivation in oligodendrocytes in EAE were accompanied by impaired NF-κB activation in oligodendrocytes, and were completely rescued by enhanced NF-κB activation in oligodendrocytes (female mice). These findings suggest that NF-κB activation accounts for the cytoprotective effects of PERK activation on oligodendrocytes in MS and EAE.SIGNIFICANCE STATEMENT Nuclear factor κB (NF-κB) is activated in oligodendrocytes in multiple sclerosis (MS) and its animal model experimental autoimmune encephalomyelitis (EAE); however, the role of NF-κB activation in oligodendrocytes in MS and EAE remains elusive. Herein, we generated a mouse model that allows for activation of NF-κB selectively in oligodendrocytes and demonstrated that NF-κB activation prevented oligodendrocyte death and myelin damage in the EAE model. We further demonstrated that NF-κB activation contributed to the protective effects of pancreatic ER kinase (PERK) activation on oligodendrocytes in the EAE model. As such, this work will facilitate the development of new treatments that enhance oligodendrocyte survival in MS patients by targeting the PERK-NF-κB pathway.
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Samir P, Malireddi RKS, Kanneganti TD. The PANoptosome: A Deadly Protein Complex Driving Pyroptosis, Apoptosis, and Necroptosis (PANoptosis). Front Cell Infect Microbiol 2020; 10:238. [PMID: 32582562 PMCID: PMC7283380 DOI: 10.3389/fcimb.2020.00238] [Citation(s) in RCA: 221] [Impact Index Per Article: 55.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 04/24/2020] [Indexed: 01/05/2023] Open
Abstract
Programmed cell death is regulated by evolutionarily conserved pathways that play critical roles in development and the immune response. A newly recognized pathway for proinflammatory programmed cell death called PANoptosis is controlled by a recently identified cytoplasmic multimeric protein complex named the PANoptosome. The PANoptosome can engage, in parallel, three key modes of programmed cell death—pyroptosis, apoptosis, and necroptosis. The PANoptosome components have been implicated in a wide array of human diseases including autoinflammatory diseases, neurodegenerative diseases, cancer, microbial infections, and metabolic diseases. Here, we review putative components of the PANoptosome and present a phylogenetic analysis of their molecular domains and interaction motifs that support complex assembly. We also discuss genetic data that suggest PANoptosis is coordinated by scaffolding and catalytic functions of the complex components and propose mechanistic models for PANoptosome assembly. Overall, this review presents potential mechanisms governing PANoptosis based on evolutionary analysis of the PANoptosome components.
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Affiliation(s)
- Parimal Samir
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - R K Subbarao Malireddi
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, United States
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11
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Elkjaer ML, Frisch T, Reynolds R, Kacprowski T, Burton M, Kruse TA, Thomassen M, Baumbach J, Illes Z. Molecular signature of different lesion types in the brain white matter of patients with progressive multiple sclerosis. Acta Neuropathol Commun 2019; 7:205. [PMID: 31829262 PMCID: PMC6907342 DOI: 10.1186/s40478-019-0855-7] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 11/25/2019] [Indexed: 12/21/2022] Open
Abstract
To identify pathogenetic markers and potential drivers of different lesion types in the white matter (WM) of patients with progressive multiple sclerosis (PMS), we sequenced RNA from 73 different WM areas. Compared to 25 WM controls, 6713 out of 18,609 genes were significantly differentially expressed in MS tissues (FDR < 0.05). A computational systems medicine analysis was performed to describe the MS lesion endophenotypes. The cellular source of specific molecules was examined by RNAscope, immunohistochemistry, and immunofluorescence. To examine common lesion specific mechanisms, we performed de novo network enrichment based on shared differentially expressed genes (DEGs), and found TGFβ-R2 as a central hub. RNAscope revealed astrocytes as the cellular source of TGFβ-R2 in remyelinating lesions. Since lesion-specific unique DEGs were more common than shared signatures, we examined lesion-specific pathways and de novo networks enriched with unique DEGs. Such network analysis indicated classic inflammatory responses in active lesions; catabolic and heat shock protein responses in inactive lesions; neuronal/axonal specific processes in chronic active lesions. In remyelinating lesions, de novo analyses identified axonal transport responses and adaptive immune markers, which was also supported by the most heterogeneous immunoglobulin gene expression. The signature of the normal-appearing white matter (NAWM) was more similar to control WM than to lesions: only 465 DEGs differentiated NAWM from controls, and 16 were unique. The upregulated marker CD26/DPP4 was expressed by microglia in the NAWM but by mononuclear cells in active lesions, which may indicate a special subset of microglia before the lesion develops, but also emphasizes that omics related to MS lesions should be interpreted in the context of different lesions types. While chronic active lesions were the most distinct from control WM based on the highest number of unique DEGs (n = 2213), remyelinating lesions had the highest gene expression levels, and the most different molecular map from chronic active lesions. This may suggest that these two lesion types represent two ends of the spectrum of lesion evolution in PMS. The profound changes in chronic active lesions, the predominance of synaptic/neural/axonal signatures coupled with minor inflammation may indicate end-stage irreversible molecular events responsible for this less treatable phase.
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12
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TNFAIP3 genetic polymorphisms reduce ankylosing spondylitis risk in Eastern Chinese Han population. Sci Rep 2019; 9:10209. [PMID: 31308453 PMCID: PMC6629655 DOI: 10.1038/s41598-019-46647-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 06/28/2019] [Indexed: 02/06/2023] Open
Abstract
This study was conducted to clarify the associations of tumor necrosis factor-α induced protein 3 (TNFAIP3) and TNFAIP3-interacting protein 1 (TNIP1) genetic polymorphisms with ankylosing spondylitis (AS) susceptibility. Five single nucleotide polymorphisms (SNPs) in TNFAIP3 gene and four in TNIP1 gene were genotyped in 667 AS patients and 667 matched healthy controls. Genotypes and haplotype analysis were conducted by using SPSS 23.0 and Haploview 4.2 software. The T allele and CT genotype in TNFAIP3 rs10499194 were significantly associated with a reduced AS risk (T allele vs. C allele, OR = 0.619, 95% CI = 0.430–0.889, P = 0.009; CT vs. CC, OR = 0.603, 95% CI = 0.416–0.875, P = 0.007). However, no association remained significant after Bonferroni correction. The rs13207033A- rs10499194T haplotype of TNFAIP3 conferred a protective effect on AS susceptibility. Stratification analyses suggested that rs10499194 polymorphism decreased the risk of AS in the male subgroup, subgroup aged ≥ 29, HLA-B27 positive subgroup as well as the subgroups of BASFI < 4 and BASDAI < 4 (all P < 0.05). Furthermore, the functional annotation suggested a potential function of rs10499194 mutation. Our results demonstrated that TNFAIP3 rs10499194 polymorphism may be associated with a reduced risk of AS.
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Tiwari S, Lapierre J, Ojha CR, Martins K, Parira T, Dutta RK, Caobi A, Garbinski L, Ceyhan Y, Esteban-Lopez M, El-Hage N. Signaling pathways and therapeutic perspectives related to environmental factors associated with multiple sclerosis. J Neurosci Res 2018; 96:1831-1846. [PMID: 30204260 PMCID: PMC7167107 DOI: 10.1002/jnr.24322] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 08/09/2018] [Accepted: 08/13/2018] [Indexed: 12/16/2022]
Abstract
Multiple sclerosis (MS) is an immune-mediated demyelinating disorder of unknown etiology. Both genetic-susceptibility and environment exposures, including vitamin D deficiency, Epstein-Barr viral and Herpesvirus (HHV-6) infections are strongly implicated in the activation of T cells and MS-pathogenesis. Despite precise knowledge of how these factors could be operating alone or in combination to facilitate and aggravate the disease progression, it is clear that prolonged induction of inflammatory molecules and recruitment of other immune cells by the activated T cells results in demyelination and axonal damage. It is imperative to understand the risk factors associated with MS progression and how these factors contribute to disease pathology. Understanding of the underlying mechanisms of what factors triggers activation of T cells to attack myelin antigen are important to strategize therapeutics and therapies against MS. Current review provides a detailed literature to understand the role of both pathogenic and non-pathogenic factors on the impact of MS.
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Affiliation(s)
- Sneham Tiwari
- Departments of Immunology, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida
| | - Jessica Lapierre
- Departments of Immunology, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida
| | - Chet Raj Ojha
- Departments of Immunology, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida
| | - Kyle Martins
- Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida
| | - Tiyash Parira
- Departments of Immunology, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida
| | - Rajib Kumar Dutta
- Departments of Immunology, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida
| | - Allen Caobi
- Departments of Immunology, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida
| | - Luis Garbinski
- Cell Biology and Pharmacology, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida
| | - Yasemin Ceyhan
- Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida
| | - Maria Esteban-Lopez
- Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida
| | - Nazira El-Hage
- Departments of Immunology, Herbert Wertheim College of Medicine, Florida International University, Miami, Florida
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Javor J, Shawkatová I, Ďurmanová V, Párnická Z, Čierny D, Michalik J, Čopíková-Cudráková D, Smahová B, Gmitterová K, Peterajová Ľ, Bucová M. TNFRSF1A polymorphisms and their role in multiple sclerosis susceptibility and severity in the Slovak population. Int J Immunogenet 2018; 45:257-265. [PMID: 30009568 DOI: 10.1111/iji.12388] [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: 12/28/2017] [Revised: 04/24/2018] [Accepted: 06/13/2018] [Indexed: 12/20/2022]
Abstract
Tumour necrosis factor (TNF)-mediated signalling plays a key role in inflammatory and neurodegenerative processes leading to the development of multiple sclerosis (MS). Recent studies have highlighted the role of tumour necrosis factor receptor superfamily member 1A (TNFRSF1A) gene encoding the type 1 TNF receptor in the genetic predisposition to MS. This study aimed to validate the association of TNFRSF1A rs1800693 and rs4149584 polymorphisms with susceptibility to MS in the Slovak population and analyse their influence on age at disease onset, severity, and disability progression. Polymerase chain reaction-restriction fragment length polymorphism method was used to genotype both TNFRSF1A polymorphisms in 541 MS patients and 724 healthy controls. Logistic regression analysis revealed a significantly increased risk of developing MS for the carriers of rs1800693 C allele (TC + CC vs. TT: pcorr = 0.005; OR = 1.61; 95% CI = 1.23-2.12), irrespective of sex and carriage of the major MS risk allele HLA-DRB1*15:01. On the other hand, no association could be found between rs4149584 and MS risk (GA + AA vs. GG: pcorr = 1.00; OR = 1.25; 95% CI = 0.71-2.21). Moreover, neither polymorphism was significantly associated with age at disease onset, MS Severity Score (MSSS) or MS Progression Index (PI) in any of the inheritance models. In conclusion, our results provide support for a sex- and HLA-DRB1*15:01-independent association of TNFRSF1A rs1800693 SNP with MS susceptibility, but not with age at disease onset, severity or rate of disability accumulation.
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Affiliation(s)
- Juraj Javor
- Institute of Immunology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Ivana Shawkatová
- Institute of Immunology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Vladimíra Ďurmanová
- Institute of Immunology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Zuzana Párnická
- Institute of Immunology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Daniel Čierny
- Department of Clinical Biochemistry, Jessenius Faculty of Medicine, Comenius University in Bratislava and University Hospital Martin, Martin, Slovakia
| | - Jozef Michalik
- Clinic of Neurology, Jessenius Faculty of Medicine, Comenius University in Bratislava and University Hospital Martin, Martin, Slovakia
| | - Daniela Čopíková-Cudráková
- 1st Department of Neurology, Faculty of Medicine, Comenius University in Bratislava and University Hospital Bratislava, Bratislava, Slovakia
| | - Barbora Smahová
- Institute of Immunology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - Karin Gmitterová
- 2nd Department of Neurology, Faculty of Medicine, Comenius University in Bratislava and University Hospital Bratislava, Bratislava, Slovakia
| | - Ľubica Peterajová
- Haematology Outpatient Clinic, University Hospital Bratislava, Bratislava, Slovakia
| | - Mária Bucová
- Institute of Immunology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
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Pazhouhandeh M, Sahraian MA, Siadat SD, Fateh A, Vaziri F, Tabrizi F, Ajorloo F, Arshadi AK, Fatemi E, Piri Gavgani S, Mahboudi F, Rahimi Jamnani F. A systems medicine approach reveals disordered immune system and lipid metabolism in multiple sclerosis patients. Clin Exp Immunol 2018; 192:18-32. [PMID: 29194580 DOI: 10.1111/cei.13087] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 11/19/2017] [Accepted: 11/20/2017] [Indexed: 02/06/2023] Open
Abstract
Identification of autoimmune processes and introduction of new autoantigens involved in the pathogenesis of multiple sclerosis (MS) can be helpful in the design of new drugs to prevent unresponsiveness and side effects in patients. To find significant changes, we evaluated the autoantibody repertoires in newly diagnosed relapsing-remitting MS patients (NDP) and those receiving disease-modifying therapy (RP). Through a random peptide phage library, a panel of NDP- and RP-specific peptides was identified, producing two protein data sets visualized using Gephi, based on protein--protein interactions in the STRING database. The top modules of NDP and RP networks were assessed using Enrichr. Based on the findings, a set of proteins, including ATP binding cassette subfamily C member 1 (ABCC1), neurogenic locus notch homologue protein 1 (NOTCH1), hepatocyte growth factor receptor (MET), RAF proto-oncogene serine/threonine-protein kinase (RAF1) and proto-oncogene vav (VAV1) was found in NDP and was involved in over-represented terms correlated with cell-mediated immunity and cancer. In contrast, transcription factor RelB (RELB), histone acetyltransferase p300 (EP300), acetyl-CoA carboxylase 2 (ACACB), adiponectin (ADIPOQ) and phosphoenolpyruvate carboxykinase 2 mitochondrial (PCK2) had major contributions to viral infections and lipid metabolism as significant events in RP. According to these findings, further research is required to demonstrate the pathogenic roles of such proteins and autoantibodies targeting them in MS and to develop therapeutic agents which can ameliorate disease severity.
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Affiliation(s)
- M Pazhouhandeh
- Human Antibody Lab, Innovation Center, Pasteur Institute of Iran, Tehran, Iran
| | - M-A Sahraian
- MS Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - S D Siadat
- Human Antibody Lab, Innovation Center, Pasteur Institute of Iran, Tehran, Iran.,Department of Mycobacteriology and Pulmonary Research, Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - A Fateh
- Human Antibody Lab, Innovation Center, Pasteur Institute of Iran, Tehran, Iran.,Department of Mycobacteriology and Pulmonary Research, Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - F Vaziri
- Human Antibody Lab, Innovation Center, Pasteur Institute of Iran, Tehran, Iran.,Department of Mycobacteriology and Pulmonary Research, Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - F Tabrizi
- Human Antibody Lab, Innovation Center, Pasteur Institute of Iran, Tehran, Iran
| | - F Ajorloo
- Human Antibody Lab, Innovation Center, Pasteur Institute of Iran, Tehran, Iran.,Department of Biology, Faculty of Science, Islamic Azad University, East Tehran Branch, Tehran, Iran
| | - A K Arshadi
- Human Antibody Lab, Innovation Center, Pasteur Institute of Iran, Tehran, Iran
| | - E Fatemi
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - S Piri Gavgani
- Human Antibody Lab, Innovation Center, Pasteur Institute of Iran, Tehran, Iran
| | - F Mahboudi
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - F Rahimi Jamnani
- Human Antibody Lab, Innovation Center, Pasteur Institute of Iran, Tehran, Iran.,Department of Mycobacteriology and Pulmonary Research, Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran
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Integrating Genome-Wide Association and eQTLs Studies Identifies the Genes and Gene Sets Associated with Diabetes. BIOMED RESEARCH INTERNATIONAL 2017; 2017:1758636. [PMID: 28744461 PMCID: PMC5506468 DOI: 10.1155/2017/1758636] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 05/24/2017] [Indexed: 11/17/2022]
Abstract
AIM To identify novel candidate genes and gene sets for diabetes. METHODS We performed an integrative analysis of genome-wide association studies (GWAS) and expression quantitative trait loci (eQTLs) data for diabetes. Summary data was driven from a large-scale GWAS of diabetes, totally involving 58,070 individuals. eQTLs dataset included 923,021 cis-eQTL for 14,329 genes and 4,732 trans-eQTL for 2,612 genes. Integrative analysis of GWAS and eQTLs data was conducted by summary data-based Mendelian randomization (SMR). To identify the gene sets associated with diabetes, the SMR single gene analysis results were further subjected to gene set enrichment analysis (GSEA). A total of 13,311 annotated gene sets were analyzed in this study. RESULTS SMR analysis identified 6 genes significantly associated with fasting glucose, such as C11ORF10 (p value = 6.04 × 10-8), MRPL33 (p value = 1.24 × 10-7), and FADS1 (p value = 2.39 × 10-7). Gene set analysis identified HUANG_FOXA2_TARGETS_UP (false discovery rate = 0.047) associated with fasting glucose. CONCLUSION Our study provides novel clues for clarifying the genetic mechanism of diabetes. This study also illustrated the good performance of SMR approach and extended it to gene set association analysis for complex diseases.
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Yang HW, Xie Y, Zhao Y, Sun L, Zhu X, Wang S, Zhang YQ, Lei P, Meng Y. TNFAIP3 gene rs7749323 polymorphism is associated with late onset myasthenia gravis. Medicine (Baltimore) 2017; 96:e6798. [PMID: 28514294 PMCID: PMC5440131 DOI: 10.1097/md.0000000000006798] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
In this study, we intended to genotype 2 single nucleotide polymorphisms (SNPs) of tumor necrosis factor α-induced protein 3 (TNFAIP3) genes and explore an association of TNFAIP3 genetic polymorphism with the patients of myasthenia gravis (MG) at clinical level. In brief, 215 of adult MG patients were divided into subgroups according to their clinical features, age of onset, thymic pathology, and autoantibodies. Two hundred thirty-five of healthy controls were also divided into subgroups with gender- and age-matched. The allele and genotype frequencies of subgrouped patients were found to be higher than those of healthy controls. The distribution of TNFAIP3 gene rs7749323*A allele of late onset MG (LOMG, with positive acetylcholine receptor antibody and without thymoma) subgrouped patients was also significantly higher than that of gender- and age-matched healthy controls (7.4% vs 2.4%, odds ratio [OR] = 3.27, 95% confidence interval [CI] 1.01-10.6, P = .04). Furthermore, analysis to the genotype frequencies indicates that the carriers of rs7749323*A allele of LOMG group became more frequent than that of age-matched healthy controls (14.9% vs 4.8%, OR = 3.47, 95% CI 1.04-11.6, dominant model: P = .03). It is interesting to notice that there is no significant association between the rs7749323 and susceptibility of other MG subgroups. Therefore, it is suggested that the SNPs in the 3' flanking region (rs7749323) of TNFAIP3 gene and the genetic variations of TNFAIP3 gene may take an important role in the susceptibility of LOMG.
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Affiliation(s)
- Hong-Wei Yang
- Geriatric Ward of Neurology, Tianjin Geriatrics Institute, Tianjin Medical University General Hospital, Tianjin
| | - Yanchen Xie
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University
| | - Yuan Zhao
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University
| | - Liang Sun
- The Key Laboratory of Geriatrics, Beijing Hospital & Beijing Institute of Geriatrics, Ministry of Health
| | - Xiaoquan Zhu
- The Key Laboratory of Geriatrics, Beijing Hospital & Beijing Institute of Geriatrics, Ministry of Health
| | - Shuhui Wang
- Department of Neurology, Beijing Friendship Hospital, Capital Medical University
| | - Yong-Qiang Zhang
- Geriatric Ward of Neurology, Tianjin Geriatrics Institute, Tianjin Medical University General Hospital, Tianjin
| | - Ping Lei
- Geriatric Ward of Neurology, Tianjin Geriatrics Institute, Tianjin Medical University General Hospital, Tianjin
| | - Yunxiao Meng
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
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18
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Xu E, Cao H, Lin L, Liu H. rs10499194 polymorphism in the tumor necrosis factor-α inducible protein 3 (TNFAIP3) gene is associated with type-1 autoimmune hepatitis risk in Chinese Han population. PLoS One 2017; 12:e0176471. [PMID: 28448618 PMCID: PMC5407796 DOI: 10.1371/journal.pone.0176471] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Accepted: 04/11/2017] [Indexed: 01/19/2023] Open
Abstract
Previous studies have found that the polymorphisms of tumor necrosis factor-α induced protein 3 (TNFAIP3) were associated with several autoimmune diseases. However, the role of TNFAIP3 polymorphisms in type-1 autoimmune hepatitis (AIH-1) remained unclear. The present study aimed to clarify the association of TNFAIP3 polymorphisms with AIH-1 risk in a Chinese Han population. The TaqMan SNP genotyping assay was used to determine the distribution of TNFAIP3 polymorphisms in 432 AIH-1 patients and 500 healthy controls. The association of TNFAIP3 polymorphisms and clinical characteristic was further evaluated. Five TNFAIP3 polymorphisms (rs2230926, rs5029939, rs10499194, rs6920220, rs582757) were analyzed in the present study. No significant association could be observed between rs2230926, rs5029939, rs6920220, rs582757 and the susceptibility to AIH-1 in Chinese Han population. Compared with wild-type genotype CC at rs10499194, individuals carrying CT genotype had a significantly increased risk for developing AIH-1 (OR = 2.32, 95%CI 1.44-3.74). Under a dominant model, CT/TT carriers have a 140% increased risk of AIH-1 than CC carriers (OR = 2.40, 95%CI 1.50-3.87). The rs10499194 T allele was also found to be significantly associated with AIH-1 risk (OR = 2.41, 95%CI 1.51-3.82). In addition, higher serum ALT, AST levels and more common cirrhosis were observed in AIH-1 patients with T allele (CT/TT) than those with CC genotype. In conclusion, TNFAIP3 rs10499194 T allele and CT genotype were associated with an increased risk for AIH-1, suggesting rs10499194 polymorphism as a candidate of susceptibility locus to AIH-1.
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Affiliation(s)
- Enbin Xu
- Department of Gastroenterology, No.404 Hospital of People’s Liberation Army, Weihai, Shandong, China
- * E-mail:
| | - Hailian Cao
- Department of Gastroenterology, No.404 Hospital of People’s Liberation Army, Weihai, Shandong, China
| | - Liming Lin
- Department of Gastroenterology, No.404 Hospital of People’s Liberation Army, Weihai, Shandong, China
| | - Honglong Liu
- Department of Gastroenterology, No.404 Hospital of People’s Liberation Army, Weihai, Shandong, China
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