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Zhang Y, Huang C, Lu W, Hu Q. Case Report: Delayed Guillain-Barré syndrome following trauma: A case series and manage considerations. Front Surg 2022; 9:903334. [PMID: 36090339 PMCID: PMC9455818 DOI: 10.3389/fsurg.2022.903334] [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: 03/24/2022] [Accepted: 08/09/2022] [Indexed: 11/29/2022] Open
Abstract
Aim To analyze clinical associations between Guillain-Barré syndrome (GBS) and trauma. Material and Methods We retrospectively reviewed the data of eight patients with post-traumatic GBS between July 2011 and December 2018 at the Second Xiangya Hospital, China, and analyzed the triggers, clinical manifestation, examination results, treatment, prognosis, and potential mechanism related to post-traumatic GBS. Results The included patients had GBS preceded by no risk factors other than trauma. Their age ranged from 15 to 60 years (the median age was 52 years), and six patients were males. The potential traumatic triggers included spinal surgery (n = 2), high-intensity exercise (n = 2), traumatic brain injury (n = 1), excessive fatigue (n = 1), ischemic stroke (n = 1), and cardiopulmonary resuscitation (n = 1). The major manifestation was symmetrical limb weakness and/or numbness in all patients. The diagnosis of GBS was based on the results of electromyography, albumino-cytological dissociation, or antiganglioside antibody in cerebrospinal fluid, and other diseases were excluded. Immunotherapy improved symptoms, except in one patient who died. Conclusions Trauma is a probable risk factor for GBS that is very easily overlooked, thereby leading to misdiagnosis in clinical practice. We emphasize a new concept of post-traumatic GBS to promote doctors' awareness when they meet people with weakness and sensory deficits after trauma, which benefit early diagnosis, timely treatment, and reduced mortality rate of GBS.
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Dondeti MF, Abdelkhalek MS, El-Din Elezawy HM, Alsanie WF, Raafat BM, Gamal-Eldeen AM, Talaat RM. Association between interferon-gamma (IFN-γ) gene polymorphisms (+874A/T and +2109A/G), and susceptibility to hepatitis B viral infection (HBV). J Appl Biomed 2022; 20:37-43. [DOI: 10.32725/jab.2022.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 12/16/2021] [Indexed: 12/11/2022] Open
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3
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A review of the role of genetic factors in Guillain–Barré syndrome. J Mol Neurosci 2020; 71:902-920. [DOI: 10.1007/s12031-020-01720-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 09/24/2020] [Indexed: 12/14/2022]
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Zhao Y, Zhu R, Tian D, Liu X. Genetic polymorphisms in Guillain-Barré Syndrome: A field synopsis and systematic meta-analysis. Autoimmun Rev 2020; 19:102665. [PMID: 32949724 DOI: 10.1016/j.autrev.2020.102665] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 04/17/2020] [Indexed: 12/23/2022]
Abstract
OBJECTIVE Guillain-Barré Syndrome (GBS) is considered to be a complex immune-mediated neuropathy. In the past few years, numerous studies were performed to detect the association between genetic polymorphisms and GBS risk. However, the findings of these studies were controversial. Thus, we conducted this field synopsis and systematic meta-analysis for further evaluating the possible associations between all available genetic polymorphisms and GBS susceptibility. METHODS Relevant studies focusing on the association between all genetic polymorphisms and GBS risk were obtained by a comprehensive literature search. The pooled odds ratios (ORs) as well as 95% confidence intervals (CIs) were used for assessing the strength of association. Subgroup analyses stratified by ethnicity and GBS subtype were further performed. Moreover, sensitive analysis and publication bias were conducted for evaluating the reliability of the results. RESULTS Among the initial identified 333 articles, 41 articles reporting on 220 genetic polymorphisms were extracted for conducting this systematic review. Then, we performed 95 primary and 94 subgroup meta-analyses for 59 variants with at least three independent studies available. The results showed significant association between four variants (FcγR IIA rs1801274, TNF-α rs1800629, HLA DRB1*0401 and HLA DRB1*1301) and GBS susceptibility. In the subgroup analysis, three (TNF-α rs1800629, TNF-α rs1800630 and TLR4 rs4986790) and two (FcγR IIA rs1801274, HLA DRB1*14) variants showed association with increased GBS risk in Asian and Caucasian population, respectively. Also, TNF-α rs1800629 was significant associated with AMAN subtypes of GBS. Furthermore, sensitivity analysis, funnel plots and Egger's test displayed robust results, except for FcγR IIA rs1801274. Additionally, for 161 variants with less than three studies, 17 genetic variants have been found to be significantly related with GBS risk in our systematic review. INTERPRETATION In our study, we assessed the association between all available genetic polymorphisms and GBS susceptibility. We hope our findings would be helpful for identifying novel genetic biomarkers and potential therapeutic targets for GBS.
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Affiliation(s)
- Yating Zhao
- Department of Neurology, First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning, China
| | - Ruixia Zhu
- Department of Neurology, First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning, China
| | - Dandan Tian
- Department of Neurology, First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning, China
| | - Xu Liu
- Department of Neurology, First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning, China.
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Bounder G, Jouimyi MR, Boura H, Touati E, Michel V, Badre W, Jouhadi H, Kadi M, Eljihad M, Benomar H, Kettani A, Lebrazi H, Maachi F. Associations of the -238(G/A) and -308(G/A) TNF-α Promoter Polymorphisms and TNF-α Serum Levels with the Susceptibility to Gastric Precancerous Lesions and Gastric Cancer Related to Helicobacter pylori Infection in a Moroccan Population. Asian Pac J Cancer Prev 2020; 21:1623-1629. [PMID: 32592356 PMCID: PMC7568906 DOI: 10.31557/apjcp.2020.21.6.1623] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Indexed: 01/08/2023] Open
Abstract
Objective: Helicobacter pylori (H. pylori) induces the production of tumor necrosis factor-alpha (TNF-α), which is closely related to a gastric epithelial injury. TNF-α gene polymorphism and TNF-α serum levels are associated with various malignant conditions. Identification of the ideal marker for gastric cancer (GC) is still the leading aim of several trials. Physio-pathological considerations of GC led us to investigate the association of two TNF-α promoter polymorphisms (-308G>A and -238G>A), and TNF-α serum levels with the susceptibility to gastric precancerous (PL) and GC. Methods: Patients suffering from gastric lesions (65 chronic gastritis, 50 PL, 40 GC) related to H. pylori infection , and 63 healthy controls (HC) were involved in this study. Individuals are genotyped by TNF-α gene promoter sequencing and TNF-α serum levels are measured by ELISA quantitative method. Results: Regarding TNF-α-308 G/A locus, we noticed higher risk for GC (OR=4.3, CI 1.5-11.9, p-value=0.005) and PL (OR=3.4, CI 1.2-9.2, p-value=0.01) for individuals with AA/GA genotypes compared to GG genotype. Concerning TNF-α-238 G/A locus, we noticed higher risk for GC (OR=5.9, CI 1.2-27.5, p-value=0.01) and PL (OR=4.8, CI 1.3-18, p-value=0.01) for individuals with GG genotype compared to AA/GA genotypes. We noticed that TNF-α serum levels have been increased together with gastric lesions severity. Moreover, TNF-α-308 and TNF-α-238 A alleles seemed to, respectively, upregulate and downregulate TNF-α serum levels. Conclusion: The TNF-α -308 A allele has a promotive effect for GC progression, whereas the TNF-α -238 A allele has a protective function against GC progression. High levels of TNF-α seemed to be associated with the aggressiveness of gastric lesions. TNF-α gene polymorphisms and TNF-α serum levels might be helpful to select those patients who are at high risk for GC.
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Affiliation(s)
- Ghizlane Bounder
- Helicobacter Pylori and Gastric Pathologies Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.,Biology and Health Laboratory, Faculty of Sciences Ben M'sik, University Hassan II, Casablanca, Morocco
| | - Mohamed Reda Jouimyi
- Helicobacter Pylori and Gastric Pathologies Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.,Biology and Health Laboratory, Faculty of Sciences Ben M'sik, University Hassan II, Casablanca, Morocco
| | - Hasna Boura
- Helicobacter Pylori and Gastric Pathologies Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Eliette Touati
- Pathogenesis of Helicobacter Laboratory, Institut Pasteur, Paris, France
| | - Valerie Michel
- Pathogenesis of Helicobacter Laboratory, Institut Pasteur, Paris, France
| | - Wafaa Badre
- Gastroenterology Department, Ibn Rochd University Hospital Center, Casablanca, Morocco
| | - Hassan Jouhadi
- Department of Radiotherapy Oncology, Ibn Rochd University Hospital Center, Casablanca, Morocco
| | - Maria Kadi
- Gastroenterology Department, Ibn Rochd University Hospital Center, Casablanca, Morocco
| | - Meriem Eljihad
- Gastroenterology Department, Ibn Rochd University Hospital Center, Casablanca, Morocco
| | - Hakima Benomar
- Histo-Cytopathology Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Anass Kettani
- Biology and Health Laboratory, Faculty of Sciences Ben M'sik, University Hassan II, Casablanca, Morocco
| | - Halima Lebrazi
- Biology and Health Laboratory, Faculty of Sciences Ben M'sik, University Hassan II, Casablanca, Morocco
| | - Fatima Maachi
- Helicobacter Pylori and Gastric Pathologies Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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Han SH, Lee NR, Kim HJ, Kang YD, Kim JS, Park JW, Jin HJ. Association between the IL-6, IL-10, and TNFα gene polymorphisms and preterm-birth in Korean women. Genes Genomics 2020; 42:743-750. [DOI: 10.1007/s13258-020-00946-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 05/12/2020] [Indexed: 12/18/2022]
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7
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Identifying the culprits in neurological autoimmune diseases. J Transl Autoimmun 2019; 2:100015. [PMID: 32743503 PMCID: PMC7388404 DOI: 10.1016/j.jtauto.2019.100015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/27/2019] [Accepted: 09/03/2019] [Indexed: 12/16/2022] Open
Abstract
The target organ of neurological autoimmune diseases (NADs) is the central or peripheral nervous system. Multiple sclerosis (MS) is the most common NAD, whereas Guillain-Barré syndrome (GBS), myasthenia gravis (MG), and neuromyelitis optica (NMO) are less common NADs, but the incidence of these diseases has increased exponentially in the last few years. The identification of a specific culprit in NADs is challenging since a myriad of triggering factors interplay with each other to cause an autoimmune response. Among the factors that have been associated with NADs are genetic susceptibility, epigenetic mechanisms, and environmental factors such as infection, microbiota, vitamins, etc. This review focuses on the most studied culprits as well as the mechanisms used by these to trigger NADs. Neurological autoimmune diseases are caused by a complex interaction between genes, environmental factors, and epigenetic deregulation. Infectious agents can cause an autoimmune reaction to myelin epitopes through molecular mimicry and/or bystander activation. Gut microbiota dysbiosis contributes to neurological autoimmune diseases. Smoking increases the risk of NADs through inflammatory signaling pathways, oxidative stress, and Th17 differentiation. Deficiency in vitamin D favors NAD development through direct damage to the central and peripheral nervous system.
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Wang TP. Association between TNF-α polymorphisms and the risk of upper gastrointestinal bleeding induced by aspirin in patients with coronary heart disease. Ann Hum Genet 2018; 83:124-133. [PMID: 30506894 DOI: 10.1111/ahg.12295] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 10/25/2018] [Accepted: 10/28/2018] [Indexed: 01/17/2023]
Abstract
OBJECTIVE To investigate the correlation of tumor necrosis factor α (TNF-α) polymorphisms with upper gastrointestinal bleeding (UGIB) induced by enteric-coated aspirin in coronary heart disease (CHD) patients. METHODS In total, 154 CHD patients taking enteric-coated aspirin were enrolled in this study. Patients were divided into the UGIB group (n = 57) and non-UGIB group (n = 97) based on the presence or absence of signs of UGIB, respectively. TNF-α polymorphism (-857C > T, -863C > A, and -1031T > C) genotyping was performed using polymerase chain reaction (PCR) amplification with sequence-specific primers (PCR-SSP). RESULTS Patients who had the CC genotype and C allele of -1031T > C exhibited a significantly increase risk of UGIB after receiving enteric-coated aspirin (CC vs. TT: odds (OR) (95% confidence interval (CI)): 7.568 (1.527-37.49), P = 0.005; C vs. T: OR (95% CI): 1.852 (1.036-3.312), P = 0.036). Patients who had CA and CA + AA genotypes and the A allele of -863C > A also exhibited an increased risk of aspirin-induced UGIB (CA vs. CC: OR (95% CI): 2.415 (1.143-5.101), P = 0.019: CA + AA vs. CC: OR (95% CI): 2.218 (1.123-4.381), P = 0.021; A vs. C: OR (95% CI): 1.788 (1.039-3.078), P = 0.035). However, the TNF-α -857 C > T polymorphism was unrelated to the induction of UGIB by enteric-coated aspirin in CHD patients (P > 0.05). In addition, the haplotypes of CCC (-1031T > C, -863C > A, and -857C > T) markedly reduced the risk of aspirin-induced UGIB in CHD patients. CONCLUSION TNF-α -863A and -1031C increased the risk of UGIB induction by enteric-coated aspirin in CHD patients, whereas TNF-α -857C > T was not correlated with the UGIB risk.
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Affiliation(s)
- Tai-Ping Wang
- Department of Gastroenterology, Rizhao People's Hospital of Shandong Province, Rizhao, 276800, China
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Liu J, Lian Z, Chen H, Shi Z, Feng H, Du Q, Zhang Q, Zhou H. Associations between tumor necrosis factor-α gene polymorphisms and the risk of Guillain-Barré syndrome and its subtypes: A systematic review and meta-analysis. J Neuroimmunol 2017; 313:25-33. [PMID: 29153605 DOI: 10.1016/j.jneuroim.2017.10.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 09/26/2017] [Accepted: 10/04/2017] [Indexed: 01/19/2023]
Abstract
This meta-analysis aimed to assess the relationship between tumor necrosis factor-α (TNF-α) polymorphisms and Guillain-Barré syndrome (GBS) or its subtypes of acute inflammatory demyelinating polyneuropathy (AIDP), acute motor axonal neuropathy (AMAN), and acute motor-sensory axonal neuropathy (AMSAN). A total of six studies with 1013 cases and 1029 controls were included. Our pooled data indicated that TNF-α 308G/A polymorphism was significantly associated with GBS, AMAN, and AMSAN but not with AIDP; TNF-α 857C/T polymorphism was significantly associated with AMAN but not with GBS or AIDP. Besides, no association was found between TNF-α 238G/A and 863C/A polymorphisms and GBS or its subtypes.
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Affiliation(s)
- Ju Liu
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang #37, Chengdu 610041, China
| | - Zhiyun Lian
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang #37, Chengdu 610041, China
| | - Hongxi Chen
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang #37, Chengdu 610041, China
| | - Ziyan Shi
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang #37, Chengdu 610041, China
| | - Huiru Feng
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang #37, Chengdu 610041, China
| | - Qin Du
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang #37, Chengdu 610041, China
| | - Qin Zhang
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang #37, Chengdu 610041, China
| | - Hongyu Zhou
- Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang #37, Chengdu 610041, China.
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Association of TNF-Alpha gene polymorphisms and susceptibility to hepatitis B virus infection in Egyptians. Hum Immunol 2017; 78:739-746. [PMID: 29054398 DOI: 10.1016/j.humimm.2017.10.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Revised: 09/25/2017] [Accepted: 10/16/2017] [Indexed: 12/15/2022]
Abstract
Tumor necrosis factor alpha (TNF-α) is one of the important cytokine in generating an immune response against hepatitis B virus (HBV). Genetic polymorphisms might influence gene transcription, leading to disturbance in cytokine production. We hypothesized that single nucleotide polymorphism (SNPs) in TNF-α gene could affect the pathogenesis of HBV. To test this hypothesis, we investigated the role of TNF-α polymorphism [-863C/A (rs1800630), -308G/A (rs1800629), -376G/A (rs1800750), -857C/T (rs1799724) and +489G/A (rs1800610)] in the susceptibility to chronic hepatitis B (CHB) infection. Polymorphisms of the TNF-α (-863C/A (rs1800630), -308G/A) were analyzed by Polymerase chain reaction sequence specific primer (PCR-SSP) while TNF-α (-376G/A, -857C/T and +489G/A) by PCR-restriction fragment length polymorphism (PCR-RFLP) in 104 patients with CHB and 104 healthy controls. The plasma level of TNF-α was measured using Enzyme-linked immunosorbent assay (ELISA). The study showed a significant increase in the frequency of -863CC, -376GA, -857CC, -857TT and +489GA genotypes and -863C, -376A, -857C, and +489A alleles in CHB patients compared to controls. In addition, CAGCG haplotype had a highest frequency in CHB patients. A strong Linkage Disequilibrium (LD) between TNF-α -863C/A (rs1800630) and -376G/A (D' = 0.7888, r2 = 0.0200); -308G/A and -857C/T (D' = 0.9213, r2 = 0.1770); -308G/A and +489G/A (D' = 0.9088, r2 = 0.1576) was demonstrated. CHB patients had significantly lower levels of TNF-α compared to controls. In conclusion, our preliminary results suggest that -863C/A (rs1800630), -308G/A, -376G/A, and +489G/A of the TNF-α gene may play a role in HBV susceptibility in Egyptians. The significant reduction in TNF-α in CHB patient was independent of any particular genotype/haplotype in TNF-α.
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11
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Jahan I, Ahammad RU, Farzana KS, Khalid MM, Islam MB, Rahman MI, Nahar S, Kabir Y, Mohmmad QD, Islam Z. Tumor necrosis factor-alpha -863C/A polymorphism is associated with Guillain-Barré syndrome in Bangladesh. J Neuroimmunol 2017; 310:46-50. [PMID: 28778444 DOI: 10.1016/j.jneuroim.2017.06.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 05/16/2017] [Accepted: 06/19/2017] [Indexed: 01/14/2023]
Abstract
Guillain-Barré syndrome (GBS) is a post-infectious autoimmune polyneuropathy regulated by pro- and anti-inflammatory cytokines; TNFA polymorphisms may exert immune pathogenic roles in GBS. We assessed TNFA promoter region polymorphisms (-238G/A, -308G/A, -857C/T, -863C/A) in Bangladeshi patients with GBS (n=300) and healthy controls (n=300) by PCR-RFLP and ASO-PCR. TNFA -863CA was significantly associated with GBS disease susceptibility (P=0.0154) and disease severity (P=0.0492). TNFA -238A allele was more frequent among anti-ganglioside (GM1) antibody-positive patients (P=0.0092) and -863AA associated with AMAN subtype of GBS (P=0.0398). TNFA -863C/A may contribute to GBS severity and pathogenesis in Bangladeshi patients.
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Affiliation(s)
- Israt Jahan
- Laboratory Sciences and Services Division, International Centre for Diarrheal Disease Research (icddr,b), Dhaka, Bangladesh
| | - Rijwan U Ahammad
- Laboratory Sciences and Services Division, International Centre for Diarrheal Disease Research (icddr,b), Dhaka, Bangladesh
| | - Kaniz S Farzana
- Laboratory Sciences and Services Division, International Centre for Diarrheal Disease Research (icddr,b), Dhaka, Bangladesh
| | - Mir M Khalid
- Laboratory Sciences and Services Division, International Centre for Diarrheal Disease Research (icddr,b), Dhaka, Bangladesh
| | - Mohammad B Islam
- Laboratory Sciences and Services Division, International Centre for Diarrheal Disease Research (icddr,b), Dhaka, Bangladesh; Department of Medical Microbiology and Infectious Diseases, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands
| | - Mohammad I Rahman
- Laboratory Sciences and Services Division, International Centre for Diarrheal Disease Research (icddr,b), Dhaka, Bangladesh
| | - Shamsun Nahar
- Laboratory Sciences and Services Division, International Centre for Diarrheal Disease Research (icddr,b), Dhaka, Bangladesh
| | | | - Quazi D Mohmmad
- National Institute of Neurosciences and Hospital, Sher-e-Bangla Nagar, Agargaon, Dhaka, Bangladesh
| | - Zhahirul Islam
- Laboratory Sciences and Services Division, International Centre for Diarrheal Disease Research (icddr,b), Dhaka, Bangladesh.
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Wang Y, Zhang J, Luo P, Zhu J, Feng J, Zhang HL. Tumor necrosis factor-α in Guillain-Barré syndrome, friend or foe? Expert Opin Ther Targets 2016; 21:103-112. [PMID: 27817222 DOI: 10.1080/14728222.2017.1258402] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Ying Wang
- Neuroscience Center, Department of Neurology, the First Hospital of Jilin University, Changchun, China
| | - Jingdian Zhang
- Neuroscience Center, Department of Neurology, the First Hospital of Jilin University, Changchun, China
| | - Peijuan Luo
- Norman Bethune Health Science Center, Jilin University, Changchun, China
| | - Jie Zhu
- Neuroscience Center, Department of Neurology, the First Hospital of Jilin University, Changchun, China
- Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Stockholm, Sweden
| | - Jiachun Feng
- Neuroscience Center, Department of Neurology, the First Hospital of Jilin University, Changchun, China
| | - Hong-Liang Zhang
- Neuroscience Center, Department of Neurology, the First Hospital of Jilin University, Changchun, China
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13
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Park HJ, Kim SK, Park HK, Chung JH. Association of promoter polymorphism -857C/T (rs1799724) in tumor necrosis factor gene with intracerebral hemorrhage in Korean males. Neurol Res 2016; 39:90-95. [PMID: 27809686 DOI: 10.1080/01616412.2016.1251696] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND AND PURPOSE Tumor necrosis factor (TNF) has been shown to be involved in the pathogenesis of hemorrhagic stroke, having deleterious effects on cerebral arteries by promoting inflammation and apoptosis in vascular and immune cells. In this study, we investigated genetic association between TNF gene and intracerebral hemorrhage (ICH) in a Korean population. METHODS Single nucleotide polymorphisms (SNPs) of TNF gene [-857C/T (rs1799724) and -308G/A (rs1800629)] were selected and genotyped using direct sequencing in 144 ICH patients and 455 control subjects. Genotype distribution and allele frequency were compared between cases and controls using logistic regression. RESULTS -857C/T was significantly associated with ICH in log-additive [odds ratio (OR) = 1.60, 95% confidence interval (CI) = 1.14-2.24, p = 0.0081], and recessive models (OR = 3.25, 95% CI = 1.28-8.27, p = 0.016). The frequency of the -857TT genotype increased in ICH patients. Allele frequency analysis also showed that the -857T allele was associated with an increased risk of ICH (OR = 1.62, 95% CI = 1.15-2.30, p = 0.006). In the analysis according to the gender, we found that the association of -857C/T was gender-different. The -857C/T was significantly associated with ICH only in males (OR = 1.99, 95% CI = 1.24-3.19, p = 0.0043 in males; OR = 1.30, 95% CI = 0.76-2.22, p = 0.34 in females). CONCLUSION These results suggest that promoter polymorphism of TNF gene, -857C/T, may be involved in the susceptibility of ICH in males.
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Affiliation(s)
- Hae Jeong Park
- a School of Medicine , Kohwang Medical Research Institute, Department of Pharmacology, Kyung Hee University , Seoul , Republic of Korea
| | - Su Kang Kim
- a School of Medicine , Kohwang Medical Research Institute, Department of Pharmacology, Kyung Hee University , Seoul , Republic of Korea
| | - Hyun-Kyung Park
- b Department of Emergency Medicine , School of Medicine, Kyung Hee University , Seoul , Republic of Korea
| | - Joo-Ho Chung
- a School of Medicine , Kohwang Medical Research Institute, Department of Pharmacology, Kyung Hee University , Seoul , Republic of Korea
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Kharwar N, Prasad K, Singh K, Paliwal V, Modi D. Polymorphisms of IL-17 and ICAM-1 and their expression in Guillain–Barré syndrome. Int J Neurosci 2016; 127:680-687. [DOI: 10.1080/00207454.2016.1231186] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- N.K. Kharwar
- 1Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - K.N. Prasad
- 1Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - K. Singh
- 1Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - V.K. Paliwal
- 2Department of Neurology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
| | - D.R. Modi
- 3Department of Biotechnology, Baba Saheb Bhimrao Ambedaker University, Lucknow, India
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15
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Yan N, Meng S, Song RH, Qin Q, Wang X, Yao Q, Jiang Y, Jiang W, Shi L, Xu J, Zhang J. Polymorphism of IL37 gene as a protective factor for autoimmune thyroid disease. J Mol Endocrinol 2015; 55:209-18. [PMID: 26373794 DOI: 10.1530/jme-15-0144] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/11/2015] [Indexed: 01/01/2023]
Abstract
Autoimmune thyroid disease (AITD) comprises Graves' disease (GD) and Hashimoto's thyroiditis (HT). IL37 has been recently proved to be a natural suppressor for innate immunity and acquired immunity. Therefore, this study was conducted to identify the association of IL37 genetic polymorphisms with AITD in Chinese Han population. Polymorphisms of rs3811046/rs3811047/rs2723176/rs272186 in the IL37 gene were assessed in a case-control study comprising 701 GD patients, 301 HT patients and 939 controls. Genetic variants were genotyped by multiplex polymerase chain reaction and ligase detection reaction. The frequencies of the minor allele A of rs2723176 and A of rs2723186 were significantly lower in the GD patients than in the controls (P=0.014, OR=0.774; P=0.014, OR=0.777). After gender stratification, the rs3811046 G allele and the rs3811047/rs2723186 A allele were both significantly associated with a decreased risk of GD in female patients (P=0.030, OR=0.777; P=0.023, OR=0.774; P=0.029, OR=0.761). However, none of the four single nucleotide polymorphisms of IL37 gene showed any significant association with HT. Moreover, haplotype analysis revealed the GCG haplotype conferred increased risk for GD as a whole and in female GD patients (OR=1.213; OR=1.320). The ACG haplotype was associated with an increased risk of HT as a whole (OR=1.567) and in male GD patients (OR=1.820). In contrast, the AAA haplotype showed a protective role for GD as a whole (OR=0.760) and in female GD patients (OR=0.765). Our study strongly supports that the IL37 gene variants are associated with the susceptibility to AITD.
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Affiliation(s)
- Ni Yan
- Department of EndocrinologyJinshan Hospital of Fudan University, Number 1508 Longhang Road, Jinshan District, Shanghai 201508, China
| | - Shuai Meng
- Department of EndocrinologyJinshan Hospital of Fudan University, Number 1508 Longhang Road, Jinshan District, Shanghai 201508, China
| | - Rong-Hua Song
- Department of EndocrinologyJinshan Hospital of Fudan University, Number 1508 Longhang Road, Jinshan District, Shanghai 201508, China
| | - Qiu Qin
- Department of EndocrinologyJinshan Hospital of Fudan University, Number 1508 Longhang Road, Jinshan District, Shanghai 201508, China
| | - Xuan Wang
- Department of EndocrinologyJinshan Hospital of Fudan University, Number 1508 Longhang Road, Jinshan District, Shanghai 201508, China
| | - Qiuming Yao
- Department of EndocrinologyJinshan Hospital of Fudan University, Number 1508 Longhang Road, Jinshan District, Shanghai 201508, China
| | - Yanfei Jiang
- Department of EndocrinologyJinshan Hospital of Fudan University, Number 1508 Longhang Road, Jinshan District, Shanghai 201508, China
| | - Wenjuan Jiang
- Department of EndocrinologyJinshan Hospital of Fudan University, Number 1508 Longhang Road, Jinshan District, Shanghai 201508, China
| | - Liangfeng Shi
- Department of EndocrinologyJinshan Hospital of Fudan University, Number 1508 Longhang Road, Jinshan District, Shanghai 201508, China
| | - Jian Xu
- Department of EndocrinologyJinshan Hospital of Fudan University, Number 1508 Longhang Road, Jinshan District, Shanghai 201508, China
| | - Jinan Zhang
- Department of EndocrinologyJinshan Hospital of Fudan University, Number 1508 Longhang Road, Jinshan District, Shanghai 201508, China
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Whitaker JA, Ovsyannikova IG, Poland GA. Adversomics: a new paradigm for vaccine safety and design. Expert Rev Vaccines 2015; 14:935-47. [PMID: 25937189 DOI: 10.1586/14760584.2015.1038249] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Despite the enormous population benefits of routine vaccination, vaccine adverse events (AEs) and reactions, whether real or perceived, have posed one of the greatest barriers to vaccine acceptance--and thus to infectious disease prevention--worldwide. A truly integrated clinical, translational, and basic science approach is required to understand the mechanisms behind vaccine AEs, predict them, and then apply this knowledge to new vaccine design approaches that decrease, or avoid, these events. The term 'adversomics' was first introduced in 2009 and refers to the study of vaccine adverse reactions using immunogenomics and systems biology approaches. In this review, we present the current state of adversomics research, review known associations and mechanisms of vaccine AEs/reactions, and outline a plan for the further development of this emerging research field.
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Blum S, McCombe PA. Genetics of Guillain-Barré syndrome (GBS) and chronic inflammatory demyelinating polyradiculoneuropathy (CIDP): current knowledge and future directions. J Peripher Nerv Syst 2014; 19:88-103. [DOI: 10.1111/jns5.12074] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Revised: 03/04/2014] [Accepted: 04/09/2014] [Indexed: 12/31/2022]
Affiliation(s)
- Stefan Blum
- The University of Queensland Centre for Clinical Research; UQ CCR; Queensland Australia
| | - Pamela A. McCombe
- The University of Queensland Centre for Clinical Research; UQ CCR; Queensland Australia
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Role of cytokines and Toll-like receptors in the immunopathogenesis of Guillain-Barré syndrome. Mediators Inflamm 2014; 2014:758639. [PMID: 25614713 PMCID: PMC4189947 DOI: 10.1155/2014/758639] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Accepted: 08/13/2014] [Indexed: 11/17/2022] Open
Abstract
Guillain-Barré syndrome (GBS) is an autoimmune disease of the peripheral nervous system, mostly triggered by an aberrant immune response to an infectious pathogen. Although several infections have been implicated in the pathogenesis of GBS, not all such infected individuals develop this disease. Moreover, infection with a single agent might also lead to different subtypes of GBS emphasizing the role of host factors in the development of GBS. The host factors regulate a broad range of inflammatory processes that are involved in the pathogenesis of autoimmune diseases including GBS. Evidences suggest that systemically and locally released cytokines and their involvement in immune-mediated demyelination and axonal damage of peripheral nerves are important in the pathogenesis of GBS. Toll-like receptors (TLRs) link innate and adaptive immunity through transcription of several proinflammatory cytokines. TLR genes may increase susceptibility to microbial infections; an attenuated immune response towards antigen and downregulation of cytokines occurs due to mutation in the gene. Herein, we discuss the crucial role of host factors such as cytokines and TLRs that activate the immune response and are involved in the pathogenesis of the disease.
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Wang X, Yin J, Zheng L, Wang L, Shi Y, Tang W, Ding G, Liu C, Liu R, Chen S, Gu H. The variant interleukin 1f7 rs3811047 G>A was associated with a decreased risk of gastric cardiac adenocarcinoma in a Chinese Han population. Tumour Biol 2013; 35:3509-15. [DOI: 10.1007/s13277-013-1463-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Accepted: 11/22/2013] [Indexed: 01/28/2023] Open
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Yang W, Jia Y, Wu H. Four tumor necrosis factor alpha genes polymorphisms and periodontitis risk in a Chinese population. Hum Immunol 2013; 74:1684-7. [PMID: 23973890 DOI: 10.1016/j.humimm.2013.08.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Revised: 06/26/2013] [Accepted: 08/10/2013] [Indexed: 12/31/2022]
Abstract
BACKGROUND Tumour necrosis factor-alpha (TNF-alpha) has been implicated in the pathogenesis of generalized aggressive periodontitis (AgP) and chronic periodontitis (CP). The objective of the present study was to evaluate the association of four TNF-alpha gene polymorphisms (-1031T/C, -857C/T, -308G/A and -238G/A) with susceptibility to AgP and CP in a Chinese population. METHODS A hospital-based case-control study was conducted in in patients with CP (n = 180), AgP (n = 180) and healthy controls (n = 180). Gene promoter polymorphisms were analyzed by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay. Genotype and allele frequencies were analyzed using the chi-square test and logistic regression analysis. RESULTS TNF-alpha -1031CC genotype was significantly higher [odds ratio (OR) = 2.36, 95% confidence interval (CI) = 1.03, 5.43; P = 0.04] in patients with CP compared with healthy controls. TNF-alpha -308AA genotype was significantly higher (OR = 2.71, 95% CI = 1.09, 6.73; P = 0.03) in patients with AgP compared with healthy controls. No association was found of TNF-alpha -857C/T and -238G/A polymorphisms with susceptibility to AgP or CP. CONCLUSIONS Our data demonstrated that TNF-alpha -1031CC genotype was a risk factor for CP, and that TNF-alpha -308AA genotype was a risk factor for AgP. But there is a lack of association of TNF-alpha -857C/T and -238G/A polymorphisms with susceptibility to AgP or CP in a Chinese population.
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Affiliation(s)
- Wenwei Yang
- Department of Geriatric Dentistry, West China College of Stomatology, Sichuan University, Chengdu 610041, China
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Role of Campylobacter jejuni infection in the pathogenesis of Guillain-Barré syndrome: an update. BIOMED RESEARCH INTERNATIONAL 2013; 2013:852195. [PMID: 24000328 PMCID: PMC3755430 DOI: 10.1155/2013/852195] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2013] [Accepted: 07/03/2013] [Indexed: 01/25/2023]
Abstract
Our current knowledge on Campylobacter jejuni infections in humans has progressively increased over the past few decades. Infection with C. jejuni is the most common cause of bacterial gastroenteritis, sometimes surpassing other infections due to Salmonella, Shigella, and Escherichia coli. Most infections are acquired due to consumption of raw or undercooked poultry, unpasteurized milk, and contaminated water. After developing the diagnostic methods to detect C. jejuni, the possibility to identify the association of its infection with new diseases has been increased. After the successful isolation of C. jejuni, reports have been published citing the occurrence of GBS following C. jejuni infection. Thus, C. jejuni is now considered as a major triggering agent of GBS. Molecular mimicry between sialylated lipooligosaccharide structures on the cell envelope of these bacteria and ganglioside epitopes on the human nerves that generates cross-reactive immune response results in autoimmune-driven nerve damage. Though C. jejuni is associated with several pathologic forms of GBS, axonal subtypes following C. jejuni infection may be more severe. Ample amount of existing data covers a large spectrum of GBS; however, the studies on C. jejuni-associated GBS are still inconclusive. Therefore, this review provides an update on the C. jejuni infections engaged in the pathogenesis of GBS.
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Zhang HL, Hassan MY, Zheng XY, Azimullah S, Quezada HC, Amir N, Elwasila M, Mix E, Adem A, Zhu J. Attenuated EAN in TNF-α deficient mice is associated with an altered balance of M1/M2 macrophages. PLoS One 2012; 7:e38157. [PMID: 22666471 PMCID: PMC3364226 DOI: 10.1371/journal.pone.0038157] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2011] [Accepted: 05/01/2012] [Indexed: 11/18/2022] Open
Abstract
The role of tumor necrosis factor (TNF)-α and its receptors in neuroautoimmune and neuroinflammatory diseases has been controversial. On the basis of our previous studies, we hereby aimed to further clarify TNF-α's mechanism of action and to explore the potential role of TNF-α receptor (TNFR)1 as a therapeutic target in experimental autoimmune neuritis (EAN). EAN was induced by immunization with P0 peptide 180-199 in TNF-α knockout (KO) mice and anti-TNFR1 antibodies were used to treat EAN. Particularly, the effects of TNF-α deficiency and TNFR1 blockade on macrophage functions were investigated. The onset of EAN in TNF-α KO mice was markedly later than that in wild type (WT) mice. From day 14 post immunization, the clinical signs of TNF-α KO mice were significantly milder than those of their WT counterparts. Further, we showed that the clinical severity of WT mice treated with anti-TNFR1 antibodies was less severe than that of the control WT mice receiving PBS. Nevertheless, no difference with regard to the clinical signs of EAN or inflammatory infiltration in cauda equina was seen between TNF-α KO and WT mice with EAN after blockade of TNFR1. Although TNF-α deficiency did not alter the proliferation of lymphocytes in response to either antigenic or mitogenic stimuli, it down-regulated the production of interleukin (IL)-12 and nitric oxide (NO), and enhanced the production of IL-10 in macrophages. Increased ratio of regulatory T cells (Tregs) and reduced production of interferon (IFN)-γ in cauda equina infiltrating cells, and elevated levels of IgG2b antibodies against P0 peptide 180-199 in sera were found in TNF-α KO mice with EAN. In conclusion, TNF-α deficiency attenuates EAN via altering the M1/M2 balance of macrophages.
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Affiliation(s)
- Hong-Liang Zhang
- Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Stockholm, Sweden
| | - Mohammed Y. Hassan
- Department of Pharmacology, Faculty of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Xiang-Yu Zheng
- Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Stockholm, Sweden
| | - Sheikh Azimullah
- Department of Pharmacology, Faculty of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Hernan Concha Quezada
- Center for Infectious Medicine, Department of Medicine, Karolinska Institute, Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - Naheed Amir
- Department of Pharmacology, Faculty of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Mohamed Elwasila
- Department of Pharmacology, Faculty of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Eilhard Mix
- Department of Neurology, University of Rostock, Rostock, Germany
| | - Abdu Adem
- Department of Pharmacology, Faculty of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Jie Zhu
- Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Stockholm, Sweden
- Department of Neurology, First Hospital of Jilin University, Changchun, China
- * E-mail:
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Albani D, Tettamanti M, Batelli S, Polito L, Dusi S, Ateri E, Forloni G, Lucca U. Interleukin-1α, interleukin-1β and tumor necrosis factor-α genetic variants and risk of dementia in the very old: evidence from the "Monzino 80-plus" prospective study. AGE (DORDRECHT, NETHERLANDS) 2012; 34:519-526. [PMID: 21509504 PMCID: PMC3312635 DOI: 10.1007/s11357-011-9249-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2010] [Accepted: 04/04/2011] [Indexed: 05/30/2023]
Abstract
The association among single nucleotide polymorphisms in inflammatory genes as interleukin-1 alpha (IL-1α), interleukin-1 beta (IL-1β) or tumor necrosis factor alpha (TNF-α) and dementia has been explored mostly in Alzheimer's disease, while few data addressing their association with dementia in very old people are available. We performed a prospective, door-to-door population-based study of 80 years or older residents in eight municipalities of Varese province, Italy (the Monzino 80-plus study). No difference was found by a cross-sectional approach comparing IL-1α rs1800587, IL-1β rs3087258 and TNF-α rs1799724 genotypic and allelic frequencies between those affected and not affected by dementia. After a 5-year follow-up, the elderly carriers of T-allele of TNF-α rs1799724 were at an increased risk of dementia (p = 0.03). This association was no more significant adjusting for the apolipoprotein E epsilon-4 allele (APOE-ε4, p = 0.26), which was an independent predictor of dementia onset (p = 0.0002). In short, in this Italian population of oldest olds, dementia was associated to the APOE-ε4 allele only.
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Affiliation(s)
- Diego Albani
- Laboratory of Biology of Neurodegenerative Disorders, Mario Negri Institute for Pharmacological Research, Milan, Italy
- Mario Negri Institute for Pharmacological Research, Via Giuseppe La Masa 19, 20156 Milan, Italy
| | - Mauro Tettamanti
- Laboratory of Geriatric Neuropsychiatry, Department of Neuroscience, Mario Negri Institute for Pharmacological Research, Milan, Italy
| | - Sara Batelli
- Laboratory of Biology of Neurodegenerative Disorders, Mario Negri Institute for Pharmacological Research, Milan, Italy
- Gene Center, University of Munich, Munich, Germany
| | - Letizia Polito
- Laboratory of Biology of Neurodegenerative Disorders, Mario Negri Institute for Pharmacological Research, Milan, Italy
- Golgi Cenci Foundation, Abbiategrasso, Italy
| | - Sabrina Dusi
- Laboratory of Biology of Neurodegenerative Disorders, Mario Negri Institute for Pharmacological Research, Milan, Italy
- Unit of Molecular Neurogenetics, The Foundation ‘Carlo Besta’ Institute of Neurology, Milan, Italy
| | - Eleonora Ateri
- Laboratory of Biology of Neurodegenerative Disorders, Mario Negri Institute for Pharmacological Research, Milan, Italy
| | - Gianluigi Forloni
- Laboratory of Biology of Neurodegenerative Disorders, Mario Negri Institute for Pharmacological Research, Milan, Italy
| | - Ugo Lucca
- Laboratory of Geriatric Neuropsychiatry, Department of Neuroscience, Mario Negri Institute for Pharmacological Research, Milan, Italy
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Wu LY, Zhou Y, Qin C, Hu BL. The effect of TNF-alpha, FcγR and CD1 polymorphisms on Guillain-Barré syndrome risk: evidences from a meta-analysis. J Neuroimmunol 2012; 243:18-24. [PMID: 22236374 DOI: 10.1016/j.jneuroim.2011.12.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Revised: 11/14/2011] [Accepted: 12/03/2011] [Indexed: 11/25/2022]
Abstract
BACKGROUND AND OBJECTIVES The findings on the associations between potential genetic variants and risk of Guillain-Barré syndrome (GBS) are controversial. We conducted a meta-analysis for candidate genes to provide the evidences for the current understanding of the genetic association with GBS. METHODS We searched relevant studies without language restriction in PubMed, Embase and Cochrane library through May 2011. The strengths of the associations between genetic variants and GBS risk were estimated by odds ratios (ORs) with 95% confidence intervals (CIs). Random-effects models or fixed effects model was applied based on the heterogeneity test. RESULTS We identified 12 case-control studies involving 1,590 GBS cases and 2,154 controls for the analysis. Because of limited eligible data, our meta-analysis specifically focused on 6 genetic variants of 3 candidate genes, TNF-α, FcγR and CD1. We found that TNF-α 308 G/A polymorphism was significantly associated with the risk of GBS in the overall population (GG+GA vs. AA: OR=0.32, 95%CI=0.16-0.62; GG vs. AA: OR=0.36, 95%CI=0.19-0.68). Subgroup analysis further provided evidence of significant association between TNF-α 308 G/A and risk of the GBS in Asian population (GG+GA vs. AA: OR=32, 95%CI=0.11-0.93; GG vs. AA: OR=0.32, 95%CI=0.15-0.68). In addition, we did not observe significant associations between FcγRIIA R/H, FcγRIIIA F/V, FcγRIIIB NA1/NA2, CD1A 1/2 and CD1E 1/2 polymorphisms and susceptibility for developing GBS. CONCLUSIONS Our findings showed that TNF-α 308A allele might be a moderate risk factor for GBS. However, the results should be interpreted with caution due to the limited number of studies available.
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Affiliation(s)
- Li-Ya Wu
- Department of Neurology, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021 China
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Jiao H, Wang W, Wang H, Wu Y, Wang L. Tumor necrosis factor alpha 308 G/A polymorphism and Guillain-Barré syndrome risk. Mol Biol Rep 2011; 39:1537-40. [PMID: 21604171 DOI: 10.1007/s11033-011-0892-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Accepted: 05/17/2011] [Indexed: 10/18/2022]
Abstract
Guillain-Barré syndrome (GBS) is an inflammatory disorder that may implicate proinflammatory cytokines such as tumor necrosis factor alpha (TNF-alpha) in its pathogenesis. The association between TNF-alpha 308 G/A polymorphism and GBS largely remains unknown. The aim of this study was to investigate the association between TNF-alpha 308 G/A polymorphism and GBS in Chinese Han patients. TNF-alpha 308 G/A polymorphism in 150 GBS patients and 150 healthy controls were studied using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay. Patients with GBS had a significantly higher frequency of TNF-alpha 308AA genotype [odds ratio (OR) = 3.79, 95% confidence interval (CI) = 1.03, 13.94; P = 0.04] than controls. When stratified by the GBS subtype, there was a significantly higher frequency of TNF-alpha 308AA genotype in patients with AMAN (OR = 6.05, 95% CI = 1.45, 25.31; P = 0.01) and AMSAN (OR = 5.56, 95% CI = 1.18, 26.23; P = 0.03) than controls. There was no significant difference in the distribution of each genotype between patients with AIDP and the control group. These data indicated that TNF-alpha 308AA genotype was associated with a higher risk of GBS in Chinese population, especially to AMAN and AMSAN.
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Affiliation(s)
- Hong Jiao
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, 246 Xuefu Road, Harbin, Heilongjiang 150086, People's Republic of China
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Hussein YM, Mohamed RH, Pasha HF, El-Shahawy EE, Alzahrani SS. Association of tumor necrosis factor alpha and its receptor polymorphisms with rheumatoid arthritis in female patients. Cell Immunol 2011; 271:192-6. [DOI: 10.1016/j.cellimm.2011.06.023] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2011] [Revised: 06/11/2011] [Accepted: 06/23/2011] [Indexed: 11/17/2022]
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