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Frampton S, Smith R, Ferson L, Gibson J, Hollox EJ, Cragg MS, Strefford JC. Fc gamma receptors: Their evolution, genomic architecture, genetic variation, and impact on human disease. Immunol Rev 2024. [PMID: 39345014 DOI: 10.1111/imr.13401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/01/2024]
Abstract
Fc gamma receptors (FcγRs) are a family of receptors that bind IgG antibodies and interface at the junction of humoral and innate immunity. Precise regulation of receptor expression provides the necessary balance to achieve healthy immune homeostasis by establishing an appropriate immune threshold to limit autoimmunity but respond effectively to infection. The underlying genetics of the FCGR gene family are central to achieving this immune threshold by regulating affinity for IgG, signaling efficacy, and receptor expression. The FCGR gene locus was duplicated during evolution, retaining very high homology and resulting in a genomic region that is technically difficult to study. Here, we review the recent evolution of the gene family in mammals, its complexity and variation through copy number variation and single-nucleotide polymorphism, and impact of these on disease incidence, resolution, and therapeutic antibody efficacy. We also discuss the progress and limitations of current approaches to study the region and emphasize how new genomics technologies will likely resolve much of the current confusion in the field. This will lead to definitive conclusions on the impact of genetic variation within the FCGR gene locus on immune function and disease.
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Affiliation(s)
- Sarah Frampton
- Cancer Genomics Group, Faculty of Medicine, School of Cancer Sciences, University of Southampton, Southampton, UK
| | - Rosanna Smith
- Antibody and Vaccine Group, Faculty of Medicine, School of Cancer Sciences, Centre for Cancer Immunology, University of Southampton, Southampton, UK
| | - Lili Ferson
- Cancer Genomics Group, Faculty of Medicine, School of Cancer Sciences, University of Southampton, Southampton, UK
| | - Jane Gibson
- Cancer Genomics Group, Faculty of Medicine, School of Cancer Sciences, University of Southampton, Southampton, UK
| | - Edward J Hollox
- Department of Genetics, Genomics and Cancer Sciences, College of Life Sciences, University of Leicester, Leicester, UK
| | - Mark S Cragg
- Antibody and Vaccine Group, Faculty of Medicine, School of Cancer Sciences, Centre for Cancer Immunology, University of Southampton, Southampton, UK
| | - Jonathan C Strefford
- Cancer Genomics Group, Faculty of Medicine, School of Cancer Sciences, University of Southampton, Southampton, UK
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Lyu Q, Zhang L, Ding Y, Liu Z. Genetically predicted N-Acetyl-L-Alanine mediates the association between CD3 on activated and secreting Tregs and Guillain-Barre syndrome. Front Neurosci 2024; 18:1398653. [PMID: 39371607 PMCID: PMC11450862 DOI: 10.3389/fnins.2024.1398653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Accepted: 08/30/2024] [Indexed: 10/08/2024] Open
Abstract
Objective This study sought to explore the potential causal relationships among immune cell traits, Guillain-Barre syndrome (GBS) and metabolites. Methods Employing a two-sample Mendelian randomization (MR) approach, the study investigated the causal associations between 731 immune cell traits, 1400 metabolite levels and GBS leveraging summary-level data from a genome-wide association study (GWAS). To ensure the reliability of our findings, we further assessed horizontal pleiotropy and heterogeneity and evaluated the stability of MR results using the Leave-one-out method. Results This study revealed a causal relationship between CD3 on activated & secreting Tregs and GBS. Higher CD3 on activated and secreting Regulatory Tregs increased the risk of GBS (primary MR analysis odds ratio (OR) 1.31/SD increase, 95% confidence interval (CI) 1.08-1.58, p = 0.005). There was no reverse causality for GBS on CD3 on activated & secreting Tregs (p = 0.36). Plasma metabolite N-Acetyl-L-Alanine (ALA) was significantly positively correlated with GBS by using the IVW method (OR = 2.04, 95% CI, 1.26-3.30; p = 0.00038). CD3 on activated & secreting Tregs was found to be positively associated with ALA risk (IVW method, OR, 1.04; [95% CI, 1.01-1.07], p = 0.0078). Mediation MR analysis indicated the mediated proportion of CD3 on activated & secreting Tregs mediated by ALA was 10% (95%CI 2.63%, 17.4%). Conclusion In conclusion, our study identified a causal relationship between the level of CD3 on activated & secreting Tregs and GBS by genetic means, with a considerable proportion of the effect mediated by ALA. In clinical practice, thus providing guidance for future clinical research.
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Affiliation(s)
- Qi Lyu
- Department of Ultrasound, The Affiliated Taizhou People’s Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou, China
| | - Lianlian Zhang
- Department of Ultrasonography, The Yancheng Clinical College of Xuzhou Medical University, The First People’s Hospital of Yancheng, Yancheng, China
| | - Yasuo Ding
- Department of Neurosurgery, The Affiliated Taizhou People’s Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou, China
| | - Zehao Liu
- Department of Neurosurgery, The Affiliated Taizhou People’s Hospital of Nanjing Medical University, Taizhou School of Clinical Medicine, Nanjing Medical University, Taizhou, China
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3
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Bellanti R, Rinaldi S. Guillain-Barré syndrome: a comprehensive review. Eur J Neurol 2024; 31:e16365. [PMID: 38813755 PMCID: PMC11235944 DOI: 10.1111/ene.16365] [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: 03/26/2024] [Revised: 05/12/2024] [Accepted: 05/13/2024] [Indexed: 05/31/2024]
Abstract
Guillain-Barré syndrome (GBS) is a potentially devastating yet treatable disorder. A classically postinfectious, immune-mediated, monophasic polyradiculoneuropathy, it is the leading global cause of acquired neuromuscular paralysis. In most cases, the immunopathological process driving nerve injury is ill-defined. Diagnosis of GBS relies on clinical features, supported by laboratory findings and electrophysiology. Although previously divided into primary demyelinating or axonal variants, this dichotomy is increasingly challenged, and is not endorsed by the recent European Academy of Neurology (EAN)/Peripheral Nerve Society (PNS) guidelines. Intravenous immunoglobulin and plasma exchange remain the primary modalities of treatment, regardless of the electrophysiological subtype. Most patients recover, but approximately one-third require mechanical ventilation, and 5% die. Disease activity and treatment response are currently monitored through interval neurological examination and outcome measures, and the potential role of fluid biomarkers is under ongoing scrutiny. Novel potential therapies for GBS are being explored but none have yet modified clinical practice. This review provides a comprehensive update on the pathological and clinical aspects of GBS for clinicians and scientists.
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Affiliation(s)
- Roberto Bellanti
- Nuffield Department of Clinical NeurosciencesUniversity of OxfordOxfordUK
| | - Simon Rinaldi
- Nuffield Department of Clinical NeurosciencesUniversity of OxfordOxfordUK
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Ferraris P, Wichit S, Cordel N, Missé D. Human host genetics and susceptibility to ZIKV infection. INFECTION GENETICS AND EVOLUTION 2021; 95:105066. [PMID: 34487865 DOI: 10.1016/j.meegid.2021.105066] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 08/29/2021] [Accepted: 09/01/2021] [Indexed: 12/26/2022]
Abstract
Managing emerging infectious diseases is a current challenge in the fields of microbiology and epidemiology. Indeed, among other environmental and human-related factors, climate change and global warming favor the emergence of new pathogens. The recent Zika virus (ZIKV) epidemic, of which the large and rapid spread surprised the scientific community, is a reminder of the importance to study viruses currently responsible for sporadic infections. Increasing our knowledge of key factors involved in emerging infections is essential to implement specific monitoring that can be oriented according to the pathogen, targeted population, or at-risk environment. Recent technological developments, such as high-throughput sequencing, genome-wide association studies and CRISPR screenings have allowed the identification of human single nucleotide polymorphisms (SNPs) involved in infectious disease outcome. This review focuses on the human genetic host factors that have been identified and shown to be associated with the pathogenesis of ZIKV infection and candidate SNP targets.
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Affiliation(s)
- Pauline Ferraris
- MIVEGEC, Univ. Montpellier, IRD, CNRS, 34394 Montpellier, France.
| | - Sineewanlaya Wichit
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Nadège Cordel
- Guadeloupe University Hospital, Department of Dermatology and Clinical Immunology, Pointe-à-Pitre, Guadeloupe and Normandie University, UNIROUEN, IRIB, Inserm, U1234, Rouen, France
| | - Dorothée Missé
- MIVEGEC, Univ. Montpellier, IRD, CNRS, 34394 Montpellier, France
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5
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Genetic basis of Guillain-Barre syndrome. J Neuroimmunol 2021; 358:577651. [PMID: 34246981 DOI: 10.1016/j.jneuroim.2021.577651] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 06/05/2021] [Accepted: 06/27/2021] [Indexed: 01/13/2023]
Abstract
Guillain-Barré syndrome (GBS) is an autoimmune disease in which the peripheral nerves are affected. GBS has different subtypes, such as acute inflammatory demyelinating polyneuropathy (AIDP) and acute motor axonal neuropathy (AMAN). Infections, e.g. Campylobacter jejuni, influenza, etc., can lead to GBS. Both environmental and genetic factors play a major role in the occurrence of GBS. Several studies have investigated the genetic basis of GBS. Human leukocyte antigens (HLA) genes, Cluster of Differentiation (CD) 1A, FAS, Fc gamma receptors (FcGR), Intercellular adhesion molecule-1 (ICAM1), different interleukins, Nucleotide oligomerization domain (NOD), Toll-like receptor 4 (TLR4), Tumor necrosis factor-α (TNF-α) are among the genes reported to be involved in susceptibility to the disease. Dysregulation and dysfunction of the mentioned gene products, even though their role in the pathogenesis of GBS is controversial, play a role in inflammatory pathways, regulation of immune cells and system, antigen presentation, axonal degeneration, apoptosis, and cross-reaction. This review aims to summarize associated genes with GBS to contribute to better understanding of GBS pathogenesis and discover the gene pathways that play role in GBS occurrence.
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6
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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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Hayat S, Babu G, Das A, Howlader ZH, Mahmud I, Islam Z. Fc-gamma IIIa-V158F receptor polymorphism contributes to the severity of Guillain-Barré syndrome. Ann Clin Transl Neurol 2020; 7:1040-1049. [PMID: 32484314 PMCID: PMC7317642 DOI: 10.1002/acn3.51072] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 05/11/2020] [Indexed: 11/24/2022] Open
Abstract
Objective Guillain‐Barré syndrome (GBS) is a rare, life‐threatening disorder of the peripheral nervous system. Immunoglobulin G Fc‐gamma receptors (FcγRs) mediate and regulate diverse effector functions and are involved in the pathogenesis of GBS. We investigated whether the FcγR polymorphisms FcγRIIa H/R131 (rs1801274), FcγRIIIa V/F158 (rs396991), and FcγRIIIb NA1/NA2, and their haplotype patterns affect the affinity of IgG‐FcγR interactivity and influence GBS susceptibility and severity. Methods We determined FcγR polymorphisms in 303 patients with GBS and 302 ethnically matched healthy individuals from Bangladesh by allele‐specific polymerase chain reaction. Pairwise linkage disequilibrium and haplotype patterns were analyzed based on D ´statistics and the genotype package of R statistics, respectively. Logistic regression analysis and Fisher’s exact test with corrected P (Pc) values were employed for statistical comparisons. Results FcγRIIIa‐V158F was associated with the severe form of GBS compared to the mild form (P = 0.005, OR = 2.24, 95% CI = 1.28–3.91; Pc = 0.015); however, FcγR genotypes and haplotype patterns did not show any association with GBS susceptibility compared to healthy controls. FcγRIIIa‐V/V158 and FcγRIIIb‐NA2/2 were associated with recent Campylobacter jejuni infection (P ≤ 0.001, OR = 0.36, 95% CI = 0.23–0.56; Pc ≤ 0.003 and P = 0.004, OR = 1.70, 95% CI = 1.18–2.44; Pc ≤ 0.012, respectively). Haplotype 1 (FcγRIIa‐H131R‐ FcγRIIIa‐V158F‐ FcγRIIIb‐NA1/2) and the FcγRIIIb‐NA2/2 genotype were more prevalent among anti‐GM1 antibody‐positive patients (P = 0.031, OR = 9.61, 95% CI = 1.24–74.77, Pc = 0.279; P = 0.027, OR = 1.62, 95% CI = 1.06–2.5, Pc = 0.081, respectively). Interpretation FcγR polymorphisms and haplotypes are not associated with susceptibility to GBS, though the FcγRIIIa‐V158F genotype is associated with the severity of GBS.
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Affiliation(s)
- Shoma Hayat
- Laboratory of Gut-Brain Signaling, Laboratory Sciences and Services Division (LSSD), icddr,b, Dhaka, 1212, Bangladesh.,Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Golap Babu
- Laboratory of Gut-Brain Signaling, Laboratory Sciences and Services Division (LSSD), icddr,b, Dhaka, 1212, Bangladesh
| | - Avizit Das
- Laboratory of Gut-Brain Signaling, Laboratory Sciences and Services Division (LSSD), icddr,b, Dhaka, 1212, Bangladesh
| | - Zakir Hossain Howlader
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Ishtiaq Mahmud
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Zhahirul Islam
- Laboratory of Gut-Brain Signaling, Laboratory Sciences and Services Division (LSSD), icddr,b, Dhaka, 1212, Bangladesh
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Nagelkerke SQ, Schmidt DE, de Haas M, Kuijpers TW. Genetic Variation in Low-To-Medium-Affinity Fcγ Receptors: Functional Consequences, Disease Associations, and Opportunities for Personalized Medicine. Front Immunol 2019; 10:2237. [PMID: 31632391 PMCID: PMC6786274 DOI: 10.3389/fimmu.2019.02237] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 09/04/2019] [Indexed: 12/23/2022] Open
Abstract
Fc-gamma receptors (FcγR) are the cellular receptors for Immunoglobulin G (IgG). Upon binding of complexed IgG, FcγRs can trigger various cellular immune effector functions, thereby linking the adaptive and innate immune systems. In humans, six classic FcγRs are known: one high-affinity receptor (FcγRI) and five low-to-medium-affinity FcγRs (FcγRIIA, -B and -C, FcγRIIIA and -B). In this review we describe the five genes encoding the low-to-medium -affinity FcγRs (FCGR2A, FCGR2B, FCGR2C, FCGR3A, and FCGR3B), including well-characterized functionally relevant single nucleotide polymorphisms (SNPs), haplotypes as well as copy number variants (CNVs), which occur in distinct copy number regions across the locus. The evolution of the locus is also discussed. Importantly, we recommend a consistent nomenclature of genetic variants in the FCGR2/3 locus. Next, we focus on the relevance of genetic variation in the FCGR2/3 locus in auto-immune and auto-inflammatory diseases, highlighting pathophysiological insights that are informed by genetic association studies. Finally, we illustrate how specific FcγR variants relate to variation in treatment responses and prognosis amongst autoimmune diseases, cancer and transplant immunology, suggesting novel opportunities for personalized medicine.
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Affiliation(s)
- Sietse Q Nagelkerke
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands.,Pediatric Hematology, Immunology and Infectious Diseases, Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - David E Schmidt
- Sanquin Research and Landsteiner Laboratory, Department of Experimental Immunology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Masja de Haas
- Sanquin Diagnostic Services, Department of Immunohematology Diagnostics, Amsterdam, Netherlands.,Sanquin Research, Center for Clinical Transfusion Research, Leiden, Netherlands.,Jon J. van Rood Center for Clinical Transfusion Science, Leiden University Medical Center, Leiden, Netherlands.,Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, Netherlands
| | - Taco W Kuijpers
- Sanquin Research and Landsteiner Laboratory, Department of Blood Cell Research, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands.,Pediatric Hematology, Immunology and Infectious Diseases, Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
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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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10
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Zhang L, Liu L, Li H, Guo L, Yu Q, Teng J. Association of CD1 and FcγR gene polymorphisms with Guillain-Barré syndrome susceptibility: a meta-analysis. Neurol Sci 2018; 39:2141-2149. [PMID: 30232664 DOI: 10.1007/s10072-018-3563-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 09/07/2018] [Indexed: 11/26/2022]
Abstract
CD1 and immunoglobulin G Fc receptor (FcγR) genes have been proposed to be involved in the pathogenesis of Guillain-Barré syndrome (GBS). However, results of different studies are conflicting. This meta-analysis aimed to systematically examine the association between CD1 and FcγR gene polymorphisms and GBS. A comprehensive literature search through PubMed, EmBase, ScienceDirect, and Cochrane Library was performed to identify all eligible studies. The strength of association was assessed by pooled odds ratios (ORs) and corresponding 95% confidence intervals (95% CI) in allelic, dominant, recessive, homozygous and heterozygous genetic models. Four case-control studies about polymorphisms of exon 2 in CD1A and CD1E genes and GBS risk and five studies (six cohorts) about FcγR gene polymorphisms and GBS risk were included in this meta-analysis. The association between exon 2 of CD1E gene polymorphism and GBS was marginally significant in Caucasians in allelic model (OR = 1.193, 95% CI = 1.001-1.423, P = 0.049). FcγRIIA gene polymorphism was significantly associated with GBS risk in Caucasians under allelic model (OR = 1.553, 95% CI = 1.018-2.368, P = 0.041) and dominant model (OR = 1.320, 95% CI = 1.027-1.697, P = 0.030). However, no significant association was found between polymorphisms in exon 2 of CD1A, FcγRIIIA and FcγRIIIB genes and GBS susceptibility. This meta-analysis suggested that FcγRIIA gene polymorphism may contribute to GBS risk in Caucasians and revealed a certain trend toward significance in the association of exon 2 of CD1E gene with GBS in Caucasians. Further studies with larger sample size are required to validate these results.
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Affiliation(s)
- Liang Zhang
- Department of Neurology, Affiliated Hospital of Qingdao University, No. 1677 Wutaishan Road, Huangdao District, Qingdao, Shandong Province, China
| | - Lijun Liu
- Department of Neurology, Affiliated Hospital of Qingdao University, No. 1677 Wutaishan Road, Huangdao District, Qingdao, Shandong Province, China
| | - Hong Li
- Department of Neurology, Affiliated Hospital of Qingdao University, No. 1677 Wutaishan Road, Huangdao District, Qingdao, Shandong Province, China
| | - Lei Guo
- Department of Urology, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Qing Yu
- Department of Endocrinology, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jijun Teng
- Department of Neurology, Affiliated Hospital of Qingdao University, No. 1677 Wutaishan Road, Huangdao District, Qingdao, Shandong Province, China.
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Díez FJD. First case of demyelinating polyneuropathy probably related to treatment with golimumab. Eur J Rheumatol 2018; 5:201-202. [PMID: 30071941 DOI: 10.5152/eurjrheum.2018.17193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 02/06/2018] [Indexed: 01/12/2023] Open
Abstract
Treatment with anti-tumor necrosis factor alpha (anti-TNF α) drugs may lead to demyelinating polyneuropathies. Here, we present the case of a patient with rheumatic disease who developed sensory polyneuropathy probably related to anti-TNF α drugs. The patient was diagnosed with undifferentiated arthritis during treatment with weekly injection of golimumab. She presented a progressive picture of paresthesia of all four limbs, with distal and symmetrical predominance, associated with mild dysarthria and universal areflexia, except for the Achilles reflex. Hyperproteinorrachia was observed in a cerebrospinal fluid study, and demyelinating polyneuropathy with a sensory predominance appeared in an electronystagmography/electromyography test. Full recovery was achieved, and 6 months later, the symptoms reappeared. The patient was discharged with a diagnosis of acute demyelinating polyneuropathy with sensory predominance and probable Guillain-Barré syndrome. In the absence of any other explanation, the symptoms of paresthesia were related to the administration of golimumab. After the drug was discontinued, the patient did not present the symptoms again.
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12
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CD1A and CD1E gene polymorphisms are not associated with susceptibility to Guillain-Barré syndrome in the Bangladeshi population. J Neuroimmunol 2018; 314:8-12. [DOI: 10.1016/j.jneuroim.2017.11.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 11/08/2017] [Accepted: 11/19/2017] [Indexed: 12/22/2022]
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13
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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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14
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Morris G, Barichello T, Stubbs B, Köhler CA, Carvalho AF, Maes M. Zika Virus as an Emerging Neuropathogen: Mechanisms of Neurovirulence and Neuro-Immune Interactions. Mol Neurobiol 2017; 55:4160-4184. [PMID: 28601976 DOI: 10.1007/s12035-017-0635-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 05/23/2017] [Indexed: 01/08/2023]
Abstract
Zika virus (ZIKV) is an emerging arbovirus of the genus Flaviviridae, which causes a febrile illness and has spread from across the Pacific to the Americas in a short timeframe. Convincing evidence has implicated the ZIKV to incident cases of neonatal microcephaly and a set of neurodevelopmental abnormalities referred to as the congenital Zika virus syndrome. In addition, emerging data points to an association with the ZIKV and the development of the so-called Guillain-Barre syndrome, an acute autoimmune polyneuropathy. Accumulating knowledge suggests that neurovirulent strains of the ZIKV have evolved from less pathogenic lineages of the virus. Nevertheless, mechanisms of neurovirulence and host-pathogen neuro-immune interactions remain incompletely elucidated. This review provides a critical discussion of genetic and structural alterations in the ZIKV which could have contributed to the emergence of neurovirulent strains. In addition, a mechanistic framework of neuro-immune mechanisms related to the emergence of neuropathology after ZIKV infection is discussed. Recent advances in knowledge point to avenues for the development of a putative vaccine as well as novel therapeutic strategies. Nevertheless, there are unique unmet challenges that need to be addressed in this regard. Finally, a research agenda is proposed.
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Affiliation(s)
- Gerwyn Morris
- Tir Na Nog, Bryn Road seaside 87, Llanelli, Wales, SA15 2LW, UK
| | - Tatiana Barichello
- Laboratory of Experimental Microbiology, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina (UNESC), Criciúma, SC, Brazil.,Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA.,Neuroscience Graduate Program, The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, TX, USA
| | - Brendon Stubbs
- Physiotherapy Department, South London and Maudsley NHS Foundation Trust, Denmark Hill, London, SE5 8AZ, UK.,Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London, SE5 8AF, UK.,Faculty of Health, Social Care and Education, Anglia Ruskin University, Bishop Hall Lane, Chelmsford, CM1 1SQ, UK
| | - Cristiano A Köhler
- Department of Clinical Medicine and Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - André F Carvalho
- Department of Clinical Medicine and Translational Psychiatry Research Group, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Michael Maes
- IMPACT Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, P.O. Box 291, Geelong, VIC, 3220, Australia. .,Health Sciences Postgraduate Program, Health Sciences Center, State University of Londrina, Londrina, Parana, Brazil. .,Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand. .,Revitalis, Waalre, The Netherlands. .,Department of Psychiatry, Medical University of Plovdiv, Plovdiv, Bulgaria.
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15
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Pinto-Díaz CA, Rodríguez Y, Monsalve DM, Acosta-Ampudia Y, Molano-González N, Anaya JM, Ramírez-Santana C. Autoimmunity in Guillain-Barré syndrome associated with Zika virus infection and beyond. Autoimmun Rev 2017; 16:327-334. [PMID: 28216074 DOI: 10.1016/j.autrev.2017.02.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 12/05/2016] [Indexed: 12/15/2022]
Abstract
Autoimmune diseases share common immunopathogenic mechanisms (i.e., the autoimmune tautology), which explain the clinical similarities among them as well as their familial clustering. Guillain-Barré syndrome (GBS), an autoimmune peripheral neuropathy, has been recently associated with Zika virus (ZIKV) infection. Based on a series of cases, this review article provides a comparative analysis of GBS associated with ZIKV infection, contrasted with the general characteristics of GBS in light of the autoimmune tautology, including gender differences in prevalence, subphenotypes, polyautoimmunity, familial autoimmunity, age at onset, pathophysiology, ecology, genetics, ancestry, and treatment.
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Affiliation(s)
- Carlos A Pinto-Díaz
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 No. 63-C-69, Bogotá, Colombia
| | - Yhojan Rodríguez
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 No. 63-C-69, Bogotá, Colombia
| | - Diana M Monsalve
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 No. 63-C-69, Bogotá, Colombia
| | - Yeny Acosta-Ampudia
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 No. 63-C-69, Bogotá, Colombia
| | - Nicolás Molano-González
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 No. 63-C-69, Bogotá, Colombia
| | - Juan-Manuel Anaya
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 No. 63-C-69, Bogotá, Colombia
| | - Carolina Ramírez-Santana
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 No. 63-C-69, Bogotá, Colombia.
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16
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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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17
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Liu H, Xing Y, Guo Y, Liu P, Zhang H, Xue B, Shou J, Qian J, Peng J, Wang R, Gao Y, Fang S. Polymorphisms in exon 2 of CD1 genes are associated with susceptibility to Guillain–Barré syndrome. J Neurol Sci 2016; 369:39-42. [DOI: 10.1016/j.jns.2016.07.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 06/29/2016] [Accepted: 07/12/2016] [Indexed: 01/16/2023]
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18
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Alvarado-Socarras JL, Sepúlveda-Arias JC, Zambrano LI, Rodriguez-Morales AJ. [Relevance of laboratory diagnosis of Zika during pregnancy and its possible association with Guillain-Barré syndrome]. Med Clin (Barc) 2016; 147:182-3. [PMID: 27236614 DOI: 10.1016/j.medcli.2016.03.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 03/16/2016] [Indexed: 11/18/2022]
Affiliation(s)
- Jorge L Alvarado-Socarras
- Red Colombiana de Colaboración en Zika (RECOLZIKA), Pereira, Risaralda, Colombia; Organización Latinoamericana para el Fomento de la Investigación en Salud (OLFIS), Bucaramanga, Santander, Colombia; Unidad de Neonatología, Departamento de Pediatría, Fundación Cardiovascular de Colombia, Floridablanca, Santander, Colombia
| | - Juan C Sepúlveda-Arias
- Red Colombiana de Colaboración en Zika (RECOLZIKA), Pereira, Risaralda, Colombia; Grupo de Investigación Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia
| | - Lysien I Zambrano
- Red Colombiana de Colaboración en Zika (RECOLZIKA), Pereira, Risaralda, Colombia; Facultad de Ciencias Médicas, Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras; Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP-EPM), São Paulo, Brasil
| | - Alfonso J Rodriguez-Morales
- Red Colombiana de Colaboración en Zika (RECOLZIKA), Pereira, Risaralda, Colombia; Organización Latinoamericana para el Fomento de la Investigación en Salud (OLFIS), Bucaramanga, Santander, Colombia; Grupo de Investigación Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia; Grupo de Investigación Salud Pública e Infección, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira, Risaralda, Colombia.
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19
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Biomarkers of Guillain-Barré Syndrome: Some Recent Progress, More Still to Be Explored. Mediators Inflamm 2015; 2015:564098. [PMID: 26451079 PMCID: PMC4588351 DOI: 10.1155/2015/564098] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2015] [Revised: 08/23/2015] [Accepted: 08/24/2015] [Indexed: 12/14/2022] Open
Abstract
Guillain-Barré syndrome (GBS), the axonal subtype of which is mainly triggered by C. jejuni with ganglioside-mimicking lipooligosaccharides (LOS), is an immune-mediated disorder in the peripheral nervous system (PNS) accompanied by the disruption of the blood-nerve barrier (BNB) and the blood-cerebrospinal fluid barrier (B-CSF-B). Biomarkers of GBS have been extensively explored and some of them are proved to assist in the clinical diagnosis and in monitoring disease progression as well as in assessing the efficacy of immunotherapy. Herein, we systemically review the literature on biomarkers of GBS, including infection-/immune-/BNB, B-CSF-B, and PNS damage-associated biomarkers, aiming at providing an overview of GBS biomarkers and guiding further investigations. Furthermore, we point out further directions for studies on GBS biomarkers.
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20
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Jin PP, Sun LL, Ding BJ, Qin N, Zhou B, Xia F, Li L, Liu LJ, Liu XD, Zhao G, Wang W, Deng YC, Hou SX. Human Leukocyte Antigen DQB1 (HLA-DQB1) Polymorphisms and the Risk for Guillain-Barré Syndrome: A Systematic Review and Meta-Analysis. PLoS One 2015. [PMID: 26204120 PMCID: PMC4512729 DOI: 10.1371/journal.pone.0131374] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Guillain-Barré syndrome (GBS) is an autoimmune disorder of the peripheral nervous system. There is no consensus regarding reported associations between human leukocyte antigen DQB1 (HLA-DQB1) polymorphisms and the risk for developing GBS. Here, we evaluated possible associations between HLA-DQB1 polymorphisms and the risk for GBS using a meta-analysis. We searched PubMed for case-control genetic association studies for HLA-DQB1 polymorphisms (*020x, *030x, *040x, *050x, and *060x) and the risk for GBS. Fixed-effect meta-analytical methods were used for the outcome measure and subgroup analyses. Estimated odds ratios (ORs) and 95% confidence intervals (CIs) were used to investigate the associations between HLA-DQB1 polymorphisms and the risk for GBS. Nine case-control studies involving 780 cases of GBS and 1353 controls were identified in the current study. The meta-analysis demonstrated no significant associations between HLA-DQB1 polymorphisms and the risk for GBS in Asian and Caucasian populations. There were two associations that approached significance: HLA-DQB1*030x in Asian patients (P = 0.07; OR: 0.76, 95% CI: 0.57–1.03) and HLA-DQB1*060x in all patients (P = 0.08; OR: 1.48, 95% CI: 0.96–2.29). Additional studies with larger sample sizes are required to establish a definitive assessment of the contribution of HLA-DQB1 polymorphisms to GBS risk.
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Affiliation(s)
- Peng-Peng Jin
- Centre for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, 2800 Gongwei Road, Shanghai 201399, China
| | - Li-Li Sun
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Bo-Jun Ding
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Na Qin
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Bin Zhou
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Feng Xia
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Li Li
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Li-Juan Liu
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Xue-Dong Liu
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Gang Zhao
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Wen Wang
- Unit of Evidence-Based Medicine, K. K. Leung Brain Research Centre, Fourth Military Medical University, Xi’an 710032, China
| | - Yan-Chun Deng
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Shuang-Xing Hou
- Department of Neurology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, 2800 Gongwei Road, Shanghai 201399, China
- * E-mail:
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21
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Pathogenic mechanisms in inflammatory and paraproteinaemic peripheral neuropathies. Curr Opin Neurol 2014; 27:541-51. [DOI: 10.1097/wco.0000000000000137] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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22
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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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23
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van den Berg B, Walgaard C, Drenthen J, Fokke C, Jacobs BC, van Doorn PA. Guillain–Barré syndrome: pathogenesis, diagnosis, treatment and prognosis. Nat Rev Neurol 2014; 10:469-82. [DOI: 10.1038/nrneurol.2014.121] [Citation(s) in RCA: 556] [Impact Index Per Article: 55.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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Abstract
Understanding of Guillain-Barré syndrome (GBS) has progressed substantially since the seminal 1916 report by Guillain et al. Although Guillain, Barré, and Strohl summarised the syndrome based on observations of two French infantrymen, 2012 saw the beginning of an ambitious collaborative study designed to collect detailed data from at least 1,000 patients worldwide (IGOS, www.gbsstudies.org/about-igos). Progress has been made in many areas even since GBS was last reviewed in this journal in 2009. GBS subsequently received prominent attention in light of concerns regarding H1N1 influenza vaccinations, and several large-scale surveillance studies resulted. Despite these developments, and promising pre-clinical studies, disease-modifying therapies for GBS have not substantially altered since intravenous immunoglobulin was introduced over 20 years ago. In other areas, management has improved. Antibiotic prophylaxis in ventilated patients reduces respiratory tract infection, thromboprophylaxis has reduced the risk of venous thromboembolism, and there is increasing awareness of the benefit of high-intensity rehabilitation. This article highlights some of the interesting and thought-provoking developments of the last 3 years, and is based on a plenary lecture given at the 2012 Peripheral Nerve Society (PNS) meeting.
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Affiliation(s)
- Simon Rinaldi
- Nuffield Department of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, UK.
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26
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Zhang HL, Zheng XY, Zhu J. Th1/Th2/Th17/Treg cytokines in Guillain–Barré syndrome and experimental autoimmune neuritis. Cytokine Growth Factor Rev 2013. [DOI: 10.1016/j.cytogfr.2013.05.005 10.1016/j.cytogfr.2013.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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27
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Zhang HL, Zheng XY, Zhu J. Th1/Th2/Th17/Treg cytokines in Guillain–Barré syndrome and experimental autoimmune neuritis. Cytokine Growth Factor Rev 2013; 24:443-53. [DOI: 10.1016/j.cytogfr.2013.05.005] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2013] [Revised: 05/08/2013] [Accepted: 05/21/2013] [Indexed: 12/12/2022]
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28
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Ma B, Yang B, Guo H, Wang Y, Zhang D, Zhang Y, Xiao Z. The association between tumor necrosis factor alpha promoter polymorphisms and ankylosing spondylitis: a meta-analysis. Hum Immunol 2013; 74:1357-62. [PMID: 23831259 DOI: 10.1016/j.humimm.2013.06.037] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2013] [Revised: 06/10/2013] [Accepted: 06/14/2013] [Indexed: 01/06/2023]
Abstract
BACKGROUND Studies investigating the association between tumor necrosis factor (TNF)-alpha promoter polymorphisms and ankylosing spondylitis have reported conflicting results. We here performed a meta-analysis based on the evidence currently available from the literature to make a more precise estimation of this relationship. METHODS We performed a systematic search of the National Library of Medline and Embase databases before January 2013. This meta-analysis included 14 case-control studies, which included 1607 ankylosing spondylitis cases and 1910 controls. RESULTS The combined results based on all studies showed that ankylosing spondylitis cases had a significantly lower frequency of -308GA [OR (codominant model)=0.81, 95% CI=0.66, 0.99, P=0.04], -857CT [OR (codominant model)=0.55, 95% CI=0.32, 0.94, P=0.03], -863AA [OR (codominant model)=0.11, 95% CI=0.01, 0.94, P=0.04], -863CA [OR (codominant model)=0.32, 95% CI=0.18, 0.58, P<0.001], and -1031TC [OR (codominant model)=0.44, 95% CI=0.25, 0.77, P=0.004] genotype. However, ankylosing spondylitis cases had a significantly higher frequency of -238AA [OR (recessive model)=7.43, 95% CI=3.66, 15.05, P<0.001] and -850TT [OR (recessive model)=2.49, 95% CI=1.16, 5.34, P=0.02; OR (codominant model)=2.83, 95% CI=1.28, 6.25, P=0.01] genotype. In the subgroup analysis by race, we found that ankylosing spondylitis cases had a significantly higher frequency of -238AA [OR (recessive model)=7.43, 95% CI=3.66, 15.05, P<0.001] genotype in Caucasians and lower frequency of -857CT [OR (codominant model)=0.53, 95% CI=0.30, 0.94, P=0.03] in Asians. CONCLUSIONS Our meta-analysis suggests that TNF-alpha promoter polymorphisms at positions -238, -308, -850, -857, -863 and -1031 could have a small influence on ankylosing spondylitis susceptibility. But there is a lack of association of the TNF-alpha-376G/A and -646G/A polymorphisms with ankylosing spondylitis.
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Affiliation(s)
- Bo Ma
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, PR China; Department of Orthopedic, Beijing Beiya Orthopedics Hospital, Beijing 102445, PR China
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29
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The TNF-α -308 Promoter Gene Polymorphism and Chronic HBV Infection. HEPATITIS RESEARCH AND TREATMENT 2012; 2012:493219. [PMID: 23133749 PMCID: PMC3485862 DOI: 10.1155/2012/493219] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Revised: 09/13/2012] [Accepted: 10/01/2012] [Indexed: 01/30/2023]
Abstract
Background and Aims. TNF-α -308 allele promoter polymorphism has been known to be a potential prognostic factor in patients with chronic HBV infection. We tried to determine how TNF-α -308 allele promoter polymorphism would affect the prognosis in patients with chronic HBV infection. Methods. We searched MEDLINE, EMBASE, and reference lists of relevant review articles related to the association between “TNF-α G-308A promoter polymorphism” with “chronic HBV infection”. We only focused on searching -308 locus in published studies. We reviewed 21 original articles about TNF-α -308 allele polymorphism and its effect on prognosis in patients with chronic HBV infection and discussed the results. Results. conflicting results were observed. The results were divided into 3 groups including neutral, negative, and positive associations between TNF-α -308 allele polymorphism and prognosis in patients with chronic HBV infection. We summarized the primary data as a table. Conclusions. Authors concluded that although there is an upward trend in evidence to claim that there is a positive relation between TNF-α G-308A promoter polymorphisms and resolution of chronic HBV infection, due to many biases and limitations observed in reviewed studies, an organized well-designed study is needed for clarifying the real association.
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