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Báez BB, Bacaglio CR, Prendergast JM, Rozés-Salvador V, Sheikh KA, Bianchet M, Farah MH, Schnaar RL, Bisbal M, Lopez PHH. Tumor necrosis factor α receptor 1A transduces the inhibitory effect on axon regeneration triggered by IgG anti-ganglioside GD1a antibodies. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167315. [PMID: 38897255 DOI: 10.1016/j.bbadis.2024.167315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 06/07/2024] [Accepted: 06/13/2024] [Indexed: 06/21/2024]
Abstract
Anti-ganglioside antibodies (anti-Gg Abs) have been linked to delayed/poor clinical recovery in both axonal and demyelinating forms of Guillain-Barrè Syndrome (GBS). In many instances, the incomplete recovery is attributed to the peripheral nervous system's failure to regenerate. The cross-linking of cell surface gangliosides by anti-Gg Abs triggers inhibition of nerve repair in both in vitro and in vivo axon regeneration paradigms. This mechanism involves the activation of the small GTPase RhoA, which negatively modulates the growth cone cytoskeleton. At present, the identity/es of the receptor/s responsible for transducing the signal that ultimately leads to RhoA activation remains poorly understood. The aim of this work was to identify the transducer molecule responsible for the inhibitory effect of anti-Gg Abs on nerve repair. Putative candidate molecules were identified through proteomic mass spectrometry of ganglioside affinity-captured proteins from rat cerebellar granule neurons (Prendergast et al., 2014). These candidates were evaluated using an in vitro model of neurite outgrowth with primary cultured dorsal root ganglion neurons (DRGn) and an in vivo model of axon regeneration. Using an shRNA-strategy to silence putative candidates on DRGn, we identified tumor necrosis factor receptor 1A protein (TNFR1A) as a transducer molecule for the inhibitory effect on neurite outgrowth from rat/mouse DRGn cultures of a well characterized mAb targeting the related gangliosides GD1a and GT1b. Interestingly, lack of TNFr1A expression on DRGn abolished the inhibitory effect on neurite outgrowth caused by anti-GD1a but not anti-GT1b specific mAbs, suggesting specificity of GD1a/transducer signaling. Similar results were obtained using primary DRGn cultures from TNFR1a-null mice, which did not activate RhoA after exposure to anti-GD1a mAbs. Generation of single point mutants at the stalk region of TNFR1A identified a critical amino acid for transducing GD1a signaling, suggesting a direct interaction. Finally, passive immunization with an anti-GD1a/GT1b mAb in an in vivo model of axon regeneration exhibited reduced inhibitory activity in TNFR1a-null mice compared to wild type mice. In conclusion, these findings identify TNFR1A as a novel transducer receptor for the inhibitory effect exerted by anti-GD1a Abs on nerve repair, representing a significant step forward toward understanding the factors contributing to poor clinical recovery in GBS associated with anti-Gg Abs.
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Affiliation(s)
- Bárbara B Báez
- Departamento de Química Biológica "Dr Ranwel Caputto", Facultad de Ciencias Químicas, Universidad Nacional de Córdoba-CIQUIBIC-CONICET-UNC, Argentina; Laboratorio de Neurobiología, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET, Universidad Nacional de Córdoba, Argentina
| | - Cristian R Bacaglio
- Departamento de Química Biológica "Dr Ranwel Caputto", Facultad de Ciencias Químicas, Universidad Nacional de Córdoba-CIQUIBIC-CONICET-UNC, Argentina; Laboratorio de Neurobiología, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET, Universidad Nacional de Córdoba, Argentina
| | - Jillian M Prendergast
- Department of Pharmacology and Molecular Sciences, School of Medicine, Johns Hopkins Medicine, Baltimore, United States
| | - Victoria Rozés-Salvador
- Laboratorio de Neurobiología, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET, Universidad Nacional de Córdoba, Argentina
| | - Kazim A Sheikh
- Department of Neurology, University of Texas Medical School at Houston, Houston, United States
| | - Mario Bianchet
- Department of Biophysics & Biophysical Chemistry, School of Medicine, Johns Hopkins Medicine, Baltimore, MD, United States
| | - Mohamed H Farah
- Department of Neurology and Neuroscience, School of Medicine, Johns Hopkins Medicine, Baltimore, United States
| | - Ronald L Schnaar
- Department of Pharmacology and Molecular Sciences, School of Medicine, Johns Hopkins Medicine, Baltimore, United States
| | - Mariano Bisbal
- Laboratorio de Neurobiología, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET, Universidad Nacional de Córdoba, Argentina
| | - Pablo H H Lopez
- Departamento de Química Biológica "Dr Ranwel Caputto", Facultad de Ciencias Químicas, Universidad Nacional de Córdoba-CIQUIBIC-CONICET-UNC, Argentina; Laboratorio de Neurobiología, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET, Universidad Nacional de Córdoba, Argentina.
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Moriguchi K, Nakamura Y, Park AM, Sato F, Kuwahara M, Khadka S, Omura S, Ahmad I, Kusunoki S, Tsunoda I. Anti-Glycolipid Antibody Examination in Five EAE Models and Theiler's Virus Model of Multiple Sclerosis: Detection of Anti-GM1, GM3, GM4, and Sulfatide Antibodies in Relapsing-Remitting EAE. Int J Mol Sci 2023; 24:12937. [PMID: 37629117 PMCID: PMC10454742 DOI: 10.3390/ijms241612937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/10/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
Anti-glycolipid antibodies have been reported to play pathogenic roles in peripheral inflammatory neuropathies, such as Guillain-Barré syndrome. On the other hand, the role in multiple sclerosis (MS), inflammatory demyelinating disease in the central nervous system (CNS), is largely unknown, although the presence of anti-glycolipid antibodies was reported to differ among MS patients with relapsing-remitting (RR), primary progressive (PP), and secondary progressive (SP) disease courses. We investigated whether the induction of anti-glycolipid antibodies could differ among experimental MS models with distinct clinical courses, depending on induction methods. Using three mouse strains, SJL/J, C57BL/6, and A.SW mice, we induced five distinct experimental autoimmune encephalomyelitis (EAE) models with myelin oligodendrocyte glycoprotein (MOG)35-55, MOG92-106, or myelin proteolipid protein (PLP)139-151, with or without an additional adjuvant curdlan injection. We also induced a viral model of MS, using Theiler's murine encephalomyelitis virus (TMEV). Each MS model had an RR, SP, PP, hyperacute, or chronic clinical course. Using the sera from the MS models, we quantified antibodies against 11 glycolipids: GM1, GM2, GM3, GM4, GD3, galactocerebroside, GD1a, GD1b, GT1b, GQ1b, and sulfatide. Among the MS models, we detected significant increases in four anti-glycolipid antibodies, GM1, GM3, GM4, and sulfatide, in PLP139-151-induced EAE with an RR disease course. We also tested cellular immune responses to the glycolipids and found CD1d-independent lymphoproliferative responses only to sulfatide with decreased interleukin (IL)-10 production. Although these results implied that anti-glycolipid antibodies might play a role in remissions or relapses in RR-EAE, their functional roles need to be determined by mechanistic experiments, such as injections of monoclonal anti-glycolipid antibodies.
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Affiliation(s)
- Kota Moriguchi
- Department of Microbiology, Faculty of Medicine, Kindai University, Osakasayama City 589-8511, Osaka, Japan; (K.M.); (Y.N.); (A.-M.P.); (F.S.); (S.K.); (S.O.); (I.A.)
- Department of Internal Medicine, Japan Self Defense Forces Hanshin Hospital, Kawanishi City 666-0024, Hyogo, Japan
| | - Yumina Nakamura
- Department of Microbiology, Faculty of Medicine, Kindai University, Osakasayama City 589-8511, Osaka, Japan; (K.M.); (Y.N.); (A.-M.P.); (F.S.); (S.K.); (S.O.); (I.A.)
- Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashiosaka City 577-8502, Osaka, Japan
| | - Ah-Mee Park
- Department of Microbiology, Faculty of Medicine, Kindai University, Osakasayama City 589-8511, Osaka, Japan; (K.M.); (Y.N.); (A.-M.P.); (F.S.); (S.K.); (S.O.); (I.A.)
- Department of Arts and Science, Faculty of Medicine, Kindai University, Osakasayama City 589-8511, Osaka, Japan
| | - Fumitaka Sato
- Department of Microbiology, Faculty of Medicine, Kindai University, Osakasayama City 589-8511, Osaka, Japan; (K.M.); (Y.N.); (A.-M.P.); (F.S.); (S.K.); (S.O.); (I.A.)
| | - Motoi Kuwahara
- Department of Neurology, Faculty of Medicine, Kindai University, Osakasayama City 589-8511, Osaka, Japan; (M.K.); (S.K.)
| | - Sundar Khadka
- Department of Microbiology, Faculty of Medicine, Kindai University, Osakasayama City 589-8511, Osaka, Japan; (K.M.); (Y.N.); (A.-M.P.); (F.S.); (S.K.); (S.O.); (I.A.)
- Department of Immunology, School of Medicine, Duke University, Durham, NC 27710, USA
| | - Seiichi Omura
- Department of Microbiology, Faculty of Medicine, Kindai University, Osakasayama City 589-8511, Osaka, Japan; (K.M.); (Y.N.); (A.-M.P.); (F.S.); (S.K.); (S.O.); (I.A.)
| | - Ijaz Ahmad
- Department of Microbiology, Faculty of Medicine, Kindai University, Osakasayama City 589-8511, Osaka, Japan; (K.M.); (Y.N.); (A.-M.P.); (F.S.); (S.K.); (S.O.); (I.A.)
| | - Susumu Kusunoki
- Department of Neurology, Faculty of Medicine, Kindai University, Osakasayama City 589-8511, Osaka, Japan; (M.K.); (S.K.)
- Japan Community Health care Organization (JCHO) Headquarters, Minato City 108-8583, Tokyo, Japan
| | - Ikuo Tsunoda
- Department of Microbiology, Faculty of Medicine, Kindai University, Osakasayama City 589-8511, Osaka, Japan; (K.M.); (Y.N.); (A.-M.P.); (F.S.); (S.K.); (S.O.); (I.A.)
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Campylobacter jejuni Infection, Anti-Ganglioside Antibodies, and Neuropathy. Microorganisms 2022; 10:microorganisms10112139. [PMID: 36363731 PMCID: PMC9695184 DOI: 10.3390/microorganisms10112139] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 11/16/2022] Open
Abstract
Preceding infection with Campylobacter jejuni (Cj) occurs in approximately 30% of patients with Guillain–Barre syndrome (GBS), and the risk of GBS following Cj infection is increased by 77 to 100-fold. GBS is most often of the axonal subtype and is thought to be mediated by IgG antibodies to peripheral nerve gangliosides that are cross reactive with oligosaccharides in the Cj lipopolysaccharides (LPS). The antibodies are thought to be induced by molecular mimicry, where immune reactivity to a cross reactive epitope in the infectious organism and normal tissue can cause autoimmune disease. Clonally restricted IgM antibodies that react with the same oligosaccharides in gangliosides and Cj-LPS are associated with chronic neuropathies of otherwise similar phenotypes. The anti-ganglioside antibodies in GBS are of the IgG1 and IgG3 subclasses, indicating T-cell reactivity to the same antigens that could help disrupt the blood–nerve barrier. Cj infection can activate multiple innate and adoptive pro-inflammatory pathways that can overcome immune tolerance and induce autoimmunity. Elucidation of the specific immune mechanisms involved in the development of the autoantibodies and neuropathy would help our understanding of the relation between infection and autoimmunity and aid in the development of more effective preventive interventions and therapies.
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Nagappa M, Dutta D, Debnath M, Seshagiri D, Sreekumaran Nair B, Das S, Wahatule R, Sinha S, Ravi V, Taly A. Impact of antecedent infections on the antibodies against gangliosides and ganglioside complexes in guillain-barré syndrome: A correlative study. Ann Indian Acad Neurol 2022; 25:401-406. [PMID: 35936588 PMCID: PMC9350806 DOI: 10.4103/aian.aian_121_22] [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: 02/03/2022] [Revised: 04/10/2022] [Accepted: 04/21/2022] [Indexed: 12/05/2022] Open
Abstract
Background and Aims: Guillain-Barré Syndrome (GBS), an immune-mediated neuropathy, is characterized by antibodies against gangliosides/ganglioside complexes (GSCs) of peripheral nerves. Antecedent infections have been reported to induce antibodies that cross-react with the host gangliosides and thereby have a pivotal role in conferring an increased risk for developing GBS. Data pertaining to the impact of various antecedent infections, particularly those prevalent in tropical countries like India on the ganglioside/GSC antibodies is sparse. We aimed at exploring the association between six antecedent infections and the profile of ganglioside/GSC antibodies in GBS. Methods: Patients with GBS (n = 150) and healthy controls (n = 50) were examined for the serum profile of antibodies against GM1, GM2, GD1a, GD1b, GT1b, and GQ1b and their GSCs by ELISA. These antibodies were correlated with immunoreactivities against Campylobacter jejuni, Japanese encephalitis (JE), dengue, influenza, zika, and chikungunya infections. Results: The frequencies of antibodies against six single gangliosides (P < 0.001) and their GSCs (P = 0.039) were significantly higher in patients as compared to controls. Except for GT1b-antibody which was more frequent in axonal GBS, none of the other ganglioside/GSC antibodies correlated with the electrophysiological subtypes of GBS. Antecedent JE infection was significantly associated with increased frequency of antibodies against GD1a, GD1b, GT1b, and GQ1b. Antibodies against GSCs were not influenced by the antecedent infections. Interpretation: This study for the first time shows an association between antecedent JE infection and ganglioside antibodies in GBS. This finding reinforces the determining role of antecedent infections on ganglioside antibody responses and the subsequent immunological processes in GBS.
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Latov N. Immune mechanisms, the role of complement, and related therapies in autoimmune neuropathies. Expert Rev Clin Immunol 2021; 17:1269-1281. [PMID: 34751638 DOI: 10.1080/1744666x.2021.2002147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Autoimmune neuropathies have diverse presentations and underlying immune mechanisms. Demonstration of efficacy of therapeutic agents that inhibit the complement cascade would confirm the role of complement activation. AREAS COVERED A review of the pathophysiology of the autoimmune neuropathies, to identify those that are likely to be complement mediated. EXPERT OPINION Complement mediated mechanisms are implicated in the acute and chronic neuropathies associated with IgG or IgM antibodies that target the Myelin Associated Glycoprotein (MAG) or gangliosides in the peripheral nerves. Antibody and complement mechanisms are also suspected in the Guillain-Barré syndrome and chronic inflammatory demyelinating neuropathy, given the therapeutic response to plasmapheresis or intravenous immunoglobulins, even in the absence of an identifiable target antigen. Complement is unlikely to play a role in paraneoplastic sensory neuropathy associated with antibodies to HU/ANNA-1 given its intracellular localization. In chronic demyelinating neuropathy with anti-nodal/paranodal CNTN1, NFS-155, and CASPR1 antibodies, myotonia with anti-VGKC LGI1 or CASPR2 antibodies, or autoimmune autonomic neuropathy with anti-gAChR antibodies, the response to complement inhibitory agents would depend on the extent to which the antibodies exert their effects through complement dependent or independent mechanisms. Complement is also likely to play a role in Sjogren's, vasculitic, and cryoglobulinemic neuropathies.
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Affiliation(s)
- Norman Latov
- Department of Neurology, Weill Cornell Medical College, New York, USA
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Lardone RD, Irazoqui FJ, Nores GA. Most of anti-glycolipid IgG-antibodies associated to neurological disorders occur without their IgM counterpart. J Biomed Sci 2019; 26:67. [PMID: 31492138 PMCID: PMC6729026 DOI: 10.1186/s12929-019-0562-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 08/29/2019] [Indexed: 12/04/2022] Open
Abstract
Background Different neurological disorders frequently display antibodies against several self-glycans. Increasing evidence supports their pathogenic role; however, far less is known about their origin. Meanwhile, antibodies recognizing non-self glycans appear in normal human serum during immune response to bacteria. Methods Using high performance thin layer chromatography-immunostaining, we comparatively evaluated humoral immune response (IgG and IgM immunoreactivity) against glycolipids carrying self-glycans (GM3/GM2/GM1/GD1a/GD1b/GD3/GT1b/GQ1b) and non-self glycans (Forssman/GA1/“A” blood group/Nt7) in sera from 383 patients with neurological disorders along with 87 healthy controls. Results In contrast to no healthy controls having anti-self glycan IgG antibodies, one-fifth of patients’ sera had anti-self glycan IgG antibodies: remarkably, 60% of these occurred without IgM antibodies of the same specificity. Contrary to this unusual fact (anti-self glycan IgG occurrence without simultaneous presence of IgM having the same specificity ~ IgG/IgM discordance), all IgG antibodies against non-self glycans occurred simultaneously with their IgM antibody counterpart (i.e. 0% discordance). When analyzed closer, the IgG/IgM discordance frequency for anti-self glycans exhibited a dual trend: below 40% for IgG antibodies against GM2, GM1 and GD1b, and greater than 53% for IgG antibodies against the remaining self glycans. Interestingly, this discordance behavior was common to several different neurological disorders. Conclusions Classic immunology principles indicate this anti-self glycan IgG/IgM discordance should not occur in an antibody response; its unusual presence is discussed within the “binding site drift hypothesis” context, where anti-self glycan IgG antibodies could originate from pre-existing IgG recognizing structurally-related non-self glycans. Electronic supplementary material The online version of this article (10.1186/s12929-019-0562-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ricardo Dante Lardone
- Facultad de Ciencias Químicas. Departamento de Química Biológica Ranwel Caputto, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA, Córdoba, Argentina. .,Centro de Investigaciones en Química Biológica de Córdoba (CIQUIBIC), CONICET. Universidad Nacional de Córdoba, Córdoba, Argentina.
| | - Fernando José Irazoqui
- Facultad de Ciencias Químicas. Departamento de Química Biológica Ranwel Caputto, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA, Córdoba, Argentina.,Centro de Investigaciones en Química Biológica de Córdoba (CIQUIBIC), CONICET. Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Gustavo Alejandro Nores
- Facultad de Ciencias Químicas. Departamento de Química Biológica Ranwel Caputto, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA, Córdoba, Argentina.,Centro de Investigaciones en Química Biológica de Córdoba (CIQUIBIC), CONICET. Universidad Nacional de Córdoba, Córdoba, Argentina
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Lopez PH, Báez BB. Gangliosides in Axon Stability and Regeneration. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2018; 156:383-412. [DOI: 10.1016/bs.pmbts.2018.03.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Ge S, Xie J, Zheng L, Yang L, Zhu H, Cheng X, Shen F. Associations of serum anti-ganglioside antibodies and inflammatory markers in diabetic peripheral neuropathy. Diabetes Res Clin Pract 2016; 115:68-75. [PMID: 27242125 DOI: 10.1016/j.diabres.2016.02.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 01/11/2016] [Accepted: 02/08/2016] [Indexed: 11/20/2022]
Abstract
AIMS To investigate the associations between inflammatory markers, serum anti-ganglioside antibodies (anti-GS-ab), serum plasminogen activator inhibitor-1 (PAI-1), tumor necrosis factor-α (TNF-α), C-reactive protein (CRP), and diabetic peripheral neuropathy (DPN). METHODS Study subjects were divided into three groups: normal group (N group) with 101 healthy individuals; diabetes mellitus without peripheral neuropathy group (DM group) with 87 patients; and DPN group with 178 cases. American Nicolet Viking IV electromyography was applied to detect nerve conduction velocity; enzyme linked immunosorbent assay was used to determine the levels of anti-GS-IgG-ab, PAI-1, and TNF-α; and immunoturbidimetry was employed to measure CRP levels. RESULTS Motor nerve conduction velocity and sensory nerve conduction velocity in the DNC group were significantly lower than in the N and DM groups (all P<0.05). Pairwise comparisons among diabetic peripheral neuropathy clinical (DPNC) levels were statistically significant (P<0.05), and the level of anti-GS-ab was positively correlated with DPNC. There were statistically significant differences in PAI-1, TNF-α, and CRP levels between the DPN group and DM and N groups (both P<0.05). Pairwise comparisons of PAI-1, TNF-α, and CRP levels among DPNC levels showed no statistical significance in volumes (P>0.05), and the concentration of anti-GS-IgM-ab was in significant positive correlated with PAI-1, TNF-α, and CRP levels. CONCLUSION Anti-GS-ab and inflammatory markers such as PAI-1, TNF-α, and CRP were associated with DPN and can be used as important indicators for the prediction and early diagnosis of DPN.
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Affiliation(s)
- Shengjie Ge
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Soochow University, Suzhou 215006, PR China; Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, PR China
| | - Jing Xie
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Soochow University, Suzhou 215006, PR China
| | - Lequn Zheng
- Department of Endocrinology and Metabolism, Wenzhou Traditional Chinese Medicine Hospital, Wenzhou 325000, PR China
| | - Lijuan Yang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, PR China
| | - Hong Zhu
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, PR China
| | - Xingbo Cheng
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Soochow University, Suzhou 215006, PR China.
| | - Feixia Shen
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, PR China.
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Rozés Salvador V, Heredia F, Berardo A, Palandri A, Wojnacki J, Vivinetto AL, Sheikh KA, Caceres A, Lopez PHH. Anti-glycan antibodies halt axon regeneration in a model of Guillain Barrè Syndrome axonal neuropathy by inducing microtubule disorganization via RhoA-ROCK-dependent inactivation of CRMP-2. Exp Neurol 2016; 278:42-53. [PMID: 26804001 DOI: 10.1016/j.expneurol.2016.01.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 01/19/2016] [Indexed: 10/22/2022]
Abstract
Several reports have linked the presence of high titers of anti-Gg Abs with delayed recovery/poor prognosis in GBS. In most cases, failure to recover is associated with halted/deficient axon regeneration. Previous work identified that monoclonal and patient-derived anti-Gg Abs can act as inhibitory factors in an animal model of axon regeneration. Further studies using primary dorsal root ganglion neuron (DRGn) cultures demonstrated that anti-Gg Abs can inhibit neurite outgrowth by targeting gangliosides via activation of the small GTPase RhoA and its associated kinase (ROCK), a signaling pathway common to other established inhibitors of axon regeneration. We aimed to study the molecular basis of the inhibitory effect of anti-Gg abs on neurite outgrowth by dissecting the molecular dynamics of growth cones (GC) cytoskeleton in relation to the spatial-temporal analysis of RhoA activity. We now report that axon growth inhibition in DRGn induced by a well characterized mAb targeting gangliosides GD1a/GT1b involves: i) an early RhoA/ROCK-independent collapse of lamellipodia; ii) a RhoA/ROCK-dependent shrinking of filopodia; and iii) alteration of GC microtubule organization/and presumably dynamics via RhoA/ROCK-dependent phosphorylation of CRMP-2 at threonine 555. Our results also show that mAb 1B7 inhibits peripheral axon regeneration in an animal model via phosphorylation/inactivation of CRMP-2 at threonine 555. Overall, our data may help to explain the molecular mechanisms underlying impaired nerve repair in GBS. Future work should define RhoA-independent pathway/s and effectors regulating actin cytoskeleton, thus providing an opportunity for the design of a successful therapy to guarantee an efficient target reinnervation.
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Affiliation(s)
- Victoria Rozés Salvador
- Laboratory of Neurobiology, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET-Universidad Nacional de Córdoba, Argentina
| | - Florencia Heredia
- Laboratory of Neurobiology, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET-Universidad Nacional de Córdoba, Argentina
| | - Andrés Berardo
- Laboratory of Neurobiology, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET-Universidad Nacional de Córdoba, Argentina
| | - Anabela Palandri
- Laboratory of Neurobiology, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET-Universidad Nacional de Córdoba, Argentina
| | - Jose Wojnacki
- Laboratory of Neurobiology, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET-Universidad Nacional de Córdoba, Argentina
| | - Ana L Vivinetto
- Laboratory of Neurobiology, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET-Universidad Nacional de Córdoba, Argentina
| | - Kazim A Sheikh
- Department of Neurology, University of Texas Medical School at Houston, Houston, USA
| | - Alfredo Caceres
- Laboratory of Neurobiology, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET-Universidad Nacional de Córdoba, Argentina
| | - Pablo H H Lopez
- Laboratory of Neurobiology, Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET-Universidad Nacional de Córdoba, Argentina; Facultad de Psicología, Universidad Nacional de Córdoba, Argentina.
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Asthana P, Vong JSL, Kumar G, Chang RCC, Zhang G, Sheikh KA, Ma CHE. Dissecting the Role of Anti-ganglioside Antibodies in Guillain-Barré Syndrome: an Animal Model Approach. Mol Neurobiol 2015; 53:4981-91. [PMID: 26374552 DOI: 10.1007/s12035-015-9430-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 09/07/2015] [Indexed: 12/19/2022]
Abstract
Guillain-Barré syndrome (GBS) is an autoimmune polyneuropathy disease affecting the peripheral nervous system (PNS). Most of the GBS patients experienced neurological symptoms such as paresthesia, weakness, pain, and areflexia. There are also combinations of non-neurological symptoms which include upper respiratory tract infection and diarrhea. One of the major causes of GBS is due largely to the autoantibodies against gangliosides located on the peripheral nerves. Gangliosides are sialic acid-bearing glycosphingolipids consisting of a ceramide lipid anchor with one or more sialic acids attached to a neutral sugar backbone. Molecular mimicry between the outer components of oligosaccharide of gangliosides on nerve membrane and lipo-oligosaccharide of microbes is thought to trigger the autoimmunity. Intra-peritoneal implantation of monoclonal ganglioside antibodies secreting hybridoma into animals induced peripheral neuropathy. Recent studies demonstrated that injection of synthesized anti-ganglioside antibodies raised by hybridoma cells into mice initiates immune response against peripheral nerves, and eventually failure in peripheral nerve regeneration. Accumulating evidences indicate that the conjugation of anti-ganglioside monoclonal antibodies to activating FcγRIII present on the circulating macrophages inhibits axonal regeneration. The activation of RhoA signaling pathways is also involved in neurite outgrowth inhibition. However, the link between these two molecular events remains unresolved and requires further investigation. Development of anti-ganglioside antagonists can serve as targeted therapy for the treatment of GBS and will open a new approach of drug development with maximum efficacy and specificity.
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Affiliation(s)
- Pallavi Asthana
- Department of Biomedical Sciences, City University of Hong Kong, Tat Chee Avenue, Hong Kong, People's Republic of China
| | - Joaquim Si Long Vong
- Department of Biomedical Sciences, City University of Hong Kong, Tat Chee Avenue, Hong Kong, People's Republic of China
| | - Gajendra Kumar
- Department of Biomedical Sciences, City University of Hong Kong, Tat Chee Avenue, Hong Kong, People's Republic of China
| | - Raymond Chuen-Chung Chang
- Laboratory of Neurodegenerative Diseases, School of Biomedical Sciences, LKS Faculty of Medicine, and State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Pokfulam, Hong Kong, People's Republic of China
| | - Gang Zhang
- Department of Neurology, University of Texas Medical School at Houston, 6431 Fannin Street, Houston, TX, 77030, USA
| | - Kazim A Sheikh
- Department of Neurology, University of Texas Medical School at Houston, 6431 Fannin Street, Houston, TX, 77030, USA
| | - Chi Him Eddie Ma
- Department of Biomedical Sciences, City University of Hong Kong, Tat Chee Avenue, Hong Kong, People's Republic of China. .,Centre for Biosystems, Neuroscience, and Nanotechnology, City University of Hong Kong, Tat Chee Avenue, Hong Kong, People's Republic of China. .,State Key Laboratory in Marine Pollution, City University of Hong Kong, Tat Chee Avenue, Hong Kong, People's Republic of China.
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Berger M, McCallus DE, Lin CSY. Rapid and reversible responses to IVIG in autoimmune neuromuscular diseases suggest mechanisms of action involving competition with functionally important autoantibodies. J Peripher Nerv Syst 2014; 18:275-96. [PMID: 24200120 PMCID: PMC4285221 DOI: 10.1111/jns5.12048] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Intravenous immunoglobulin (IVIG) is widely used in autoimmune neuromuscular diseases whose pathogenesis is undefined. Many different effects of IVIG have been demonstrated in vitro, but few studies actually identify the mechanism(s) most important in vivo. Doses and treatment intervals are generally chosen empirically. Recent studies in Guillain-Barré syndrome and chronic inflammatory demyelinating polyneuropathy show that some effects of IVIG are readily reversible and highly dependent on the serum IgG level. This suggests that in some autoantibody-mediated neuromuscular diseases, IVIG directly competes with autoantibodies that reversibly interfere with nerve conduction. Mechanisms of action of IVIG which most likely involve direct competition with autoantibodies include: neutralization of autoantibodies by anti-idiotypes, inhibition of complement deposition, and increasing catabolism of pathologic antibodies by saturating FcRn. Indirect immunomodulatory effects are not as likely to involve competition and may not have the same reversibility and dose-dependency. Pharmacodynamic analyses should be informative regarding most relevant mechanism(s) of action of IVIG as well as the role of autoantibodies in the immunopathogenesis of each disease. Better understanding of the role of autoantibodies and of the target(s) of IVIG could lead to more efficient use of this therapy and better patient outcomes.
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Affiliation(s)
- Melvin Berger
- Departments of Pediatrics and Pathology, Case Western Reserve University, Cleveland, OH, USA; Immunology Research and Development, CSL Behring, LLC, King of Prussia, PA, USA
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Zhang G, Bogdanova N, Gao T, Song JJ, Cragg MS, Glennie MJ, Sheikh KA. Fcγ receptor-mediated inflammation inhibits axon regeneration. PLoS One 2014; 9:e88703. [PMID: 24523933 PMCID: PMC3921223 DOI: 10.1371/journal.pone.0088703] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Accepted: 01/10/2014] [Indexed: 01/03/2023] Open
Abstract
Anti-glycan/ganglioside antibodies are the most common immune effectors found in patients with Guillain-Barré Syndrome, which is a peripheral autoimmune neuropathy. We previously reported that disease-relevant anti-glycan autoantibodies inhibited axon regeneration, which echo the clinical association of these antibodies and poor recovery in Guillain-Barré Syndrome. However, the specific molecular and cellular elements involved in this antibody-mediated inhibition of axon regeneration are not previously defined. This study examined the role of Fcγ receptors and macrophages in the antibody-mediated inhibition of axon regeneration. A well characterized antibody passive transfer sciatic nerve crush and transplant models were used to study the anti-ganglioside antibody-mediated inhibition of axon regeneration in wild type and various mutant and transgenic mice with altered expression of specific Fcγ receptors and macrophage/microglia populations. Outcome measures included behavior, electrophysiology, morphometry, immunocytochemistry, quantitative real-time PCR, and western blotting. We demonstrate that the presence of autoantibodies, directed against neuronal/axonal cell surface gangliosides, in the injured mammalian peripheral nerves switch the proregenerative inflammatory environment to growth inhibitory milieu by engaging specific activating Fcγ receptors on recruited monocyte-derived macrophages to cause severe inhibition of axon regeneration. Our data demonstrate that the antibody orchestrated Fcγ receptor-mediated switch in inflammation is one mechanism underlying inhibition of axon regeneration. These findings have clinical implications for nerve repair and recovery in antibody-mediated immune neuropathies. Our results add to the complexity of axon regeneration in injured peripheral and central nervous systems as adverse effects of B cells and autoantibodies on neural injury and repair are increasingly recognized.
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Affiliation(s)
- Gang Zhang
- Department of Neurology, University of Texas Medical School at Houston, Houston, Texas, United States of America
| | - Nataliia Bogdanova
- Department of Neurology, University of Texas Medical School at Houston, Houston, Texas, United States of America
| | - Tong Gao
- Department of Neurology, University of Texas Medical School at Houston, Houston, Texas, United States of America
| | - Julia J. Song
- Department of Neurology, University of Texas Medical School at Houston, Houston, Texas, United States of America
| | - Mark S. Cragg
- Antibody and Vaccine Group, Cancer Sciences Division, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Martin J. Glennie
- Antibody and Vaccine Group, Cancer Sciences Division, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Kazim A. Sheikh
- Department of Neurology, University of Texas Medical School at Houston, Houston, Texas, United States of America
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Abstract
Guillain-Barre syndrome is a postinfectious disorder caused by an aberrant immune response to an infectious pathogen, resulting in an autoimmune disease. As with other autoimmune diseases of infectious nature, the intricate balance of the numerous factors involved in the immune response may determine the outcome of the interaction between the microbe and host. Recent studies focusing on the role of cytokines and its network of related mediators and receptors suggest that any imbalance may make a significant contribution to the outcome of the infectious disease process. Better understanding of the pathogenesis of Guillain-Barre syndrome may lead to the discovery of newer therapeutics and may also serve as a model for studying other autoimmune diseases.
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Affiliation(s)
- Raymond Sw Tsang
- CNS Infection and Vaccine Preventable Bacterial Diseases, National Microbiology Laboratory, Health Canada, 1015 Arlington Street, Winnipeg, Manitoba, R3E 3R2, USA.
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Maher J. Role of the clinical immunology laboratory in disease monitoring. World J Immunol 2013; 3:18-30. [DOI: 10.5411/wji.v3.i2.18] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Accepted: 05/17/2013] [Indexed: 02/05/2023] Open
Abstract
Immunological investigations provide useful information to guide diagnosis of several disorders. Many such tests are also commonly repeated at intervals, in an effort to facilitate disease monitoring. In general however, immunology test results are often slow to alter. Furthermore, audit activity has indicated that repeated testing accounts for a substantial workload in many immunology services, which may waste resources and compromise the efficient completion of necessary tests. Consequently, the need and appropriate minimum interval between repeated testing requires critical evaluation. In this review, the clinical utility of repeated performance of several common immunology investigations has been evaluated, based upon published evidence. In some cases (e.g., paraprotein quantification, or measurement of anti-glomerular basement membrane antibodies), repeated testing provides vital clinical information and can be justified on a frequent and individualized basis. However, many other investigations provided by immunology services provide less valuable information when used to aid disease monitoring rather than diagnosis. It is hoped that the data summarized here will facilitate a more evidence-based approach to repeated testing. Such information may also assist with the local implementation of demand management strategies based upon setting of minimum retesting intervals for these investigations.
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Peng W. Intravenous immunoglobulin treatment on anti-GM1 antibodies associated neuropathies inhibits cholera toxin and galectin-1 binding to ganglioside GM1. Immunol Lett 2012; 143:146-51. [DOI: 10.1016/j.imlet.2012.01.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2011] [Revised: 12/30/2011] [Accepted: 01/13/2012] [Indexed: 12/17/2022]
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Motor nerve terminal destruction and regeneration following anti-ganglioside antibody and complement-mediated injury: An in and ex vivo imaging study in the mouse. Exp Neurol 2012; 233:836-48. [DOI: 10.1016/j.expneurol.2011.12.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Revised: 10/27/2011] [Accepted: 12/07/2011] [Indexed: 01/10/2023]
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Zhang G, Lehmann HC, Bogdanova N, Gao T, Zhang J, Sheikh KA. Erythropoietin enhances nerve repair in anti-ganglioside antibody-mediated models of immune neuropathy. PLoS One 2011; 6:e27067. [PMID: 22046448 PMCID: PMC3203932 DOI: 10.1371/journal.pone.0027067] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2011] [Accepted: 10/09/2011] [Indexed: 12/02/2022] Open
Abstract
Guillain-Barré syndrome (GBS) is a monophasic immune neuropathic disorder in which a significant proportion of patients have incomplete recovery. The patients with incomplete recovery almost always have some degree of failure of axon regeneration and target reinnervation. Anti-ganglioside antibodies (Abs) are the most commonly recognized autoimmune markers in all forms of GBS and specific Abs are associated with the slow/poor recovery. We recently demonstrated that specific anti-ganglioside Abs inhibit axonal regeneration and nerve repair in preclinical models by activation of small GTPase RhoA and its downstream effectors. The objective of this study was to determine whether erythropoietin (EPO), a pleiotropic cytokine with neuroprotective and neurotrophic properties, enhances nerve regeneration in preclinical cell culture and animal models of autoimmune neuropathy/nerve repair generated with monoclonal and patient derived Abs. Primary neuronal cultures and a standardized sciatic crush nerve model were used to assess the efficacy of EPO in reversing inhibitory effects of anti-ganglioside Abs on nerve repair. We found that EPO completely reversed the inhibitory effects of anti-ganglioside Abs on axon regeneration in cell culture models and significantly improved nerve regeneration/repair in an animal model. Moreover, EPO-induced proregenerative effects in nerve cells are through EPO receptors and Janus kinase 2/Signal transducer and activator of transcription 5 pathway and not via early direct modulation of small GTPase RhoA. These preclinical studies indicate that EPO is a viable candidate drug to develop further for neuroprotection and enhancing nerve repair in patients with GBS.
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Affiliation(s)
- Gang Zhang
- Department of Neurology, University of Texas Medical School at Houston, Houston, Texas, United States of America
| | - Helmar C. Lehmann
- Department of Neurology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Nataliia Bogdanova
- Department of Neurology, University of Texas Medical School at Houston, Houston, Texas, United States of America
| | - Tong Gao
- Department of Neurology, University of Texas Medical School at Houston, Houston, Texas, United States of America
| | - Jiangyang Zhang
- Department of Radiology, Johns Hopkins University, Baltimore, Maryland, United States of America
| | - Kazim A. Sheikh
- Department of Neurology, University of Texas Medical School at Houston, Houston, Texas, United States of America
- * E-mail:
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Wang DJ, Boltz DA, McElhaney J, McCullers JA, Webby RJ, Webster RG. No evidence of a link between influenza vaccines and Guillain-Barre syndrome-associated antiganglioside antibodies. Influenza Other Respir Viruses 2011; 6:159-66. [PMID: 21955390 PMCID: PMC3595170 DOI: 10.1111/j.1750-2659.2011.00294.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Please cite this paper as: Wang et al. (2011) No evidence of a link between influenza vaccines and Guillain–Barre syndrome–associated antiganglioside antibodies. Influenza and Other Respiratory Viruses 6(3), 159–166. Background Guillain–Barre syndrome (GBS) is a rare autoimmune disease characterized by acute, progressive peripheral neuropathy and is commonly associated with the presence of antiganglioside antibodies. Previously, influenza vaccination was linked with the increased incidence of GBS; however, whether antiganglioside antibodies are subsequently induced remains unresolved. Methods Sera from human subjects vaccinated with seasonal influenza vaccines from the 2007–2008, 2008–2009, or 1976–1977 influenza seasons were screened for the induction of immunity to influenza and the presence of antiganglioside antibodies pre‐ and post‐vaccination. Likewise, sera from mice vaccinated with seasonal influenza vaccines (1988–1989, 2007–2008) or “swine flu” pandemic vaccines (1976, 2009) were assessed in the same manner. Viruses were also screened for cross‐reacting ganglioside epitopes. Results Antiganglioside antibodies were found to recognize influenza viruses; this reactivity correlated with virus glycosylation. Antibodies to influenza viruses were detected in human and mouse sera, but the prevalence of antiganglioside antibodies was extremely low. Conclusions Although the correlation between antiganglioside antibody cross‐reactivity and glycosylation of viruses suggests the role of shared carbohydrate epitopes, no correlation was observed between hemagglutinin‐inhibition titers and the induction of antiganglioside antibodies after influenza vaccination.
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Affiliation(s)
- David J Wang
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
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Sheikh KA. Autoantobodies activate small GTPase RhoA to modulate neurite outgrowth. Small GTPases 2011; 2:233-238. [PMID: 22145097 DOI: 10.4161/sgtp.2.4.17115] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2011] [Revised: 06/18/2011] [Accepted: 07/05/2011] [Indexed: 11/19/2022] Open
Abstract
This review illustrates an example of adaptive immune responses (auto-antibodies) modulating growth/repair behavior of neurons in the disease context of Guillain-Barré syndrome (GBS), which is a prototypic autoimmune, acute monophasic disorder of the peripheral nerves that is the commonest cause of acute flaccid paralysis worldwide. Anti-ganglioside antibodies (Abs) are the most commonly recognized autoimmune markers in all forms of GBS and these Abs are associated with poor recovery. Extent of axonal injury and failure of axonal regeneration are critical determinants of recovery after GBS. In this clinical context, our group examined the hypothesis that anti-ganglioside Abs adversely affect axon regeneration after peripheral nerve injury. We show that anti-ganglioside Abs inhibit axon regeneration in preclinical cell culture and animal models. This inhibition is mediated by activation of small GTPase RhoA and its downstream effector Rho kinase (ROCK) by modulation of growth cone extension and associated neurite elongation in neuronal cultures. Our studies suggest that RhoA and ROCK are potential targets for development of novel therapeutic strategies to enhance nerve repair.
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Affiliation(s)
- Kazim A Sheikh
- Department of Neurology; University of Texas Medical School at Houston; Houston, TX USA
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Anti-ganglioside antibody-mediated activation of RhoA induces inhibition of neurite outgrowth. J Neurosci 2011; 31:1664-75. [PMID: 21289175 DOI: 10.1523/jneurosci.3829-10.2011] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Anti-ganglioside antibodies (Abs) are strongly associated with axonal forms of Guillain Barré syndrome (GBS). Some studies indicate that these Abs, including those with GD1a reactivity, are associated with poor prognosis and/or incomplete recovery. We recently demonstrated that a disease-relevant anti-ganglioside Ab with GD1a reactivity inhibits axon regeneration after PNS injury in an animal model (Lehmann et al., 2007). An implication of these findings is that anti-GD1a Abs can mediate inhibition of axon regeneration and limit recovery in some patients with GBS. The downstream inhibitory intracellular signaling that mediates anti-ganglioside Ab-induced axon inhibition remains unclear. In the current study, we show that disease-relevant and GBS patient's anti-ganglioside Abs can inhibit neurite outgrowth in dissociated primary neuronal cultures. Activation of small GTPase RhoA and its key downstream effector Rho kinase (ROCK) are critical mediators of growth cone and neurite outgrowth inhibition. Therefore, we examined the role of these intracellular signaling molecules in our primary neuronal cultures by molecular and pharmacologic approaches. Our results show that the Ab-mediated inhibition of neurite outgrowth involves the activation of RhoA and ROCK pathway and this activation is through the engagement of specific cell-surface gangliosides by Abs. In summary, these studies directly link patient autoantibodies to an intracellular inhibitory signaling pathway involved in anti-ganglioside Ab-mediated inhibition of neurite outgrowth.
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Zhang M, Li Q, He L, Meng F, Gu Y, Zheng M, Gong Y, Wang P, Ruan F, Zhou L, Wu J, Chen L, Fitzgerald C, Zhang J. Association study between an outbreak of Guillain-Barre syndrome in Jilin, China, and preceding Campylobacter jejuni infection. Foodborne Pathog Dis 2010; 7:913-9. [PMID: 20455754 DOI: 10.1089/fpd.2009.0493] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
From June to July 2007, 36 cases of Guillain-Barre syndrome (GBS) occurred in a township in north China. Serological study and bacteria culture were performed to investigate the association between preceding Campylobacter jejuni infection and this GBS outbreak. Anti-C. jejuni antibodies were found in significantly higher numbers of GBS patients (IgM 84%, IgG 87.5%) than in healthy inspection cases (IgM 33%, IgG 27%). IgG anti-GM1 was the dominant anti-ganglioside antibody among the GBS patients. Seven C. jejuni isolates (four from human stool and three from poultry specimens taken from the patients' houses) were obtained. Serotyping and molecular analysis were used to investigate the genetic relatedness among these C. jejuni isolates. The four human isolates, collected from residents of the same district, were indistinguishable by both pulsed-field gel electrophoresis and multilocus sequence typing, suggesting these patients had a common source of infection. A new sequence type, sequence type-2993, was assigned to the human C. jejuni isolates, three of which belonged to Penner serotype heat-stable (HS):41. Both serotype and molecular subtype of the human C. jejuni isolates were different from those of isolates obtained from poultry specimens. Our results suggest that the antecedent C. jejuni infection triggered this GBS outbreak in China.
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Affiliation(s)
- Maojun Zhang
- Department of Diagnosis, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
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Abstract
Anti-GM1 antibodies are present in some patients with autoimmune neurological disorders. These antibodies are most frequently associated with acute immune neuropathy called Guillain-Barré syndrome (GBS). Some clinical studies associate the presence of these antibodies with poor recovery in GBS. The patients with incomplete recovery have failure of nerve repair, particularly axon regeneration. Our previous work indicates that monoclonal antibodies can inhibit axon regeneration by engaging cell surface gangliosides (Lehmann et al., 2007). We asked whether passive transfer of human anti-GM1 antibodies from patients with GBS modulate axon regeneration in an animal model. Human anti-GM1 antibodies were compared with other GM1 ligands, cholera toxin B subunit and a monoclonal anti-GM1 antibody. Our results show that patient derived anti-GM1 antibodies and cholera toxin beta subunit impair axon regeneration/repair after PNS injury in mice. Comparative studies indicated that the antibody/ligand-mediated inhibition of axon regeneration is dependent on antibody/ligand characteristics such as affinity-avidity and fine specificity. These data indicate that circulating immune effectors such as human autoantibodies, which are exogenous to the nervous system, can modulate axon regeneration/nerve repair in autoimmune neurological disorders such as GBS.
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Piao H, Minohara M, Kawamura N, Li W, Mizunoe Y, Umehara F, Goto Y, Kusunoki S, Matsushita T, Ikenaka K, Maejima T, Nabekura JI, Yamasaki R, Kira JI. Induction of paranodal myelin detachment and sodium channel loss in vivo by Campylobacter jejuni DNA-binding protein from starved cells (C-Dps) in myelinated nerve fibers. J Neurol Sci 2010; 288:54-62. [DOI: 10.1016/j.jns.2009.10.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2009] [Revised: 09/30/2009] [Accepted: 10/07/2009] [Indexed: 11/17/2022]
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Guillain-Barré syndrome: An update. J Clin Neurosci 2009; 16:733-41. [DOI: 10.1016/j.jocn.2008.08.033] [Citation(s) in RCA: 177] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2008] [Revised: 08/12/2008] [Accepted: 08/24/2008] [Indexed: 12/19/2022]
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Lehmann HC, Hoffmann FR, Fusshoeller A, Meyer zu Hörste G, Hetzel R, Hartung HP, Schroeter M, Kieseier BC. The clinical value of therapeutic plasma exchange in multifocal motor neuropathy. J Neurol Sci 2008; 271:34-9. [PMID: 18485370 DOI: 10.1016/j.jns.2008.02.022] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2007] [Revised: 01/18/2008] [Accepted: 02/27/2008] [Indexed: 10/22/2022]
Abstract
OBJECTIVE Although there is evidence for a pathogenic role of humoral factors in multifocal motor neuropathy (MMN), plasma exchange (PE) is assumed to be an ineffective treatment. We set out to elucidate possible reasons for this apparent contradiction. METHODS A retrospective analysis of seven patients with MMN, who underwent 4 to 18 sessions of PE. Clinical response, electrophysiological parameter and anti-ganglioside antibody titers were reviewed. RESULTS Two patients, who had anti-ganglioside antibodies, exhibited transient clinical responses to PE, manifested by improved neurological function. Whereas electrophysiological parameters continued to worsen in all patients, anti-ganglioside antibody titers declined during PE, but increased after PE. CONCLUSION PE is of limited therapeutic value in patients with MMN, who do not respond to established treatment options. It may only be useful as an adjunctive treatment in a subset of patients. The transient decrease of anti-ganglioside-antibodies titers suggests that pathogenic humoral factors in MMN are only temporarily reduced. Further, PE treatment alone is insufficient to prevent axons from continuing degeneration, which may explain the failure of PE to substantially influence the disease course of patients with MMN.
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Affiliation(s)
- Helmar C Lehmann
- Department of Neurology, Heinrich-Heine-University of Düsseldorf, Germany.
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Lehmann HC, Lopez PHH, Zhang G, Ngyuen T, Zhang J, Kieseier BC, Mori S, Sheikh KA. Passive immunization with anti-ganglioside antibodies directly inhibits axon regeneration in an animal model. J Neurosci 2007; 27:27-34. [PMID: 17202469 PMCID: PMC6672271 DOI: 10.1523/jneurosci.4017-06.2007] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Recent studies have proposed that neurite outgrowth is influenced by specific nerve cell surface gangliosides, which are sialic acid-containing glycosphingolipids highly enriched in the mammalian nervous system. For example, the endogenous lectin, myelin-associated glycoprotein (MAG), is reported to bind to axonal gangliosides (GD1a and GT1b) to inhibit neurite outgrowth. Clustering of gangliosides in the absence of inhibitors such as MAG is also shown to inhibit neurite outgrowth in culture. In some human autoimmune PNS and CNS disorders, autoantibodies against GD1a or other gangliosides are implicated in pathophysiology. Because of neurobiological and clinical relevance, we asked whether anti-GD1a antibodies inhibit regeneration of injured axons in vivo. Passive transfer of anti-GD1a antibody severely inhibited axon regeneration after PNS injury in mice. In mutant mice with altered ganglioside or complement expression, inhibition by antibodies was mediated directly through GD1a and was independent of complement-induced cytolytic injury. The impaired regenerative responses and ultrastructure of injured peripheral axons mimicked the abortive regeneration typically seen after CNS injury. These data demonstrate that inhibition of axon regeneration is induced directly by engaging cell surface gangliosides in vivo and imply that circulating autoimmune antibodies can inhibit axon regeneration through neuronal gangliosides independent of endogenous regeneration inhibitors such as MAG.
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Affiliation(s)
- Helmar C. Lehmann
- Departments of Neurology and
- Department of Neurology, Heinrich Heine University, D-40225 Düsseldorf, Germany
| | | | | | | | - Jiangyang Zhang
- Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21205, and
| | - Bernd C. Kieseier
- Department of Neurology, Heinrich Heine University, D-40225 Düsseldorf, Germany
| | - Susumu Mori
- Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland 21205, and
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van Sorge NM, Yuki N, Jansen MD, Nishimoto Y, Susuki K, Wokke JHJ, van de Winkel JGJ, van den Berg LH, van der Pol WL. Leukocyte and complement activation by GM1-specific antibodies is associated with acute motor axonal neuropathy in rabbits. J Neuroimmunol 2007; 182:116-23. [PMID: 17161468 DOI: 10.1016/j.jneuroim.2006.10.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2006] [Revised: 10/09/2006] [Accepted: 10/09/2006] [Indexed: 11/16/2022]
Abstract
Acute motor axonal neuropathy (AMAN) in humans is associated with the presence of GM1-specific antibodies. Immunization of rabbits with GM1-containing ganglioside mixtures, purified GM1, or Campylobacter jejuni lipo-oligosaccharide exhibiting a GM1-like structure elicits GM1-specific antibodies, but axonal polyneuropathy only occurs in a subset of animals. This study aimed to dissect the molecular basis for the variable induction of AMAN in rabbits. Therefore, we analyzed the pro-inflammatory characteristics of GM1-specific antibodies in plasma samples from ganglioside-immunized rabbits with and without neurological deficits. GM1-specific plasma samples from all rabbits with AMAN were capable of activating both complement and leukocytes, in contrast to none of the plasma samples from rabbits without paralysis. Furthermore, GM1-specific IgG-mediated activation of leukocytes was detected before the onset of clinical signs. These data suggest that AMAN only occurs in rabbits that develop GM1-specific antibodies with pro-inflammatory properties.
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Affiliation(s)
- Nina M van Sorge
- Department of Immunology, University Medical Center Utrecht, Lundlaan 6, 3584 EA Utrecht, The Netherlands
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Matà S, Giudizi MG, Totaro M, Grippo A, Fedi S, Sorbi S. Fine specificity of antibodies against phospholipids and beta-2-glycoprotein I in monoclonal gammopathy associated neuropathies. J Neuroimmunol 2007; 182:219-25. [PMID: 17161469 DOI: 10.1016/j.jneuroim.2006.10.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2006] [Revised: 10/07/2006] [Accepted: 10/25/2006] [Indexed: 11/26/2022]
Abstract
Phospholipids are abundantly represented within the nervous system. Aim of our study was to evaluate the presence and fine specificity of anti phospholipid antibodies (aPLAb) among patients with monoclonal gammopathy associated neuropathy. Thirty nine percent of these patients had high titers of aPLAb, mostly associated with low levels of anti beta2 glycoprotein I, which suggests different antibody specificity compared to patients with anti phospholipid syndrome. Further 6/48 patients with dysimmune neuropathy without monoclonal gammopathy had positive aPLAb titers. APLAb strongly cross-reacted with sulfatide. These findings suggest an adjuntive role of aPLAb on nerve damage and may help to better understand the nerve binding properties of anti-sulfatide antibodies.
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Affiliation(s)
- Sabrina Matà
- Department of Neurological and Psychiatric Sciences, Italy.
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Zhu W, Mix E, Jin T, Adem A, Zhu J. B cells play a cooperative role via CD40L-CD40 interaction in T cell-mediated experimental autoimmune neuritis in Lewis rats. Neurobiol Dis 2006; 25:642-8. [PMID: 17188497 DOI: 10.1016/j.nbd.2006.11.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2006] [Revised: 10/17/2006] [Accepted: 11/05/2006] [Indexed: 10/23/2022] Open
Abstract
The expression of co-stimulatory molecules CD40 and CD40L was examined over the course of experimental autoimmune neuritis (EAN) induced in Lewis rats by immunization with bovine peripheral nerve myelin. In draining lymph nodes, highest level of CD40L expression was seen on day 7 post immunization (p.i.), i.e. before onset of clinical signs of EAN, while CD40 expression was increased on day 14 p.i., i.e. at peak of clinical disease. In contrast, both CD40 and CD40L expressing cells in sciatic nerves, a target organ of EAN, peaked on day 14 p.i., large numbers of both expressing cells were mainly detected on day 14-21 p.i. After co-culture with EAN rat B cells bearing CD40, P0 peptide 180-199-specific T cell line cells exhibited a rapid down-regulation of CD40L expression. Furthermore, EAN rats had enhanced P0 peptide 180-199-specific antibody responses on day 14 p.i., which might have contributed to their aggravated EAN and further demonstrated the role of antibodies in EAN. The results indicate that CD40L-CD40 interactions are involved in the initiation of the antigen-specific T cell responses associated with the generation and development of EAN, and may mediate autoantibody production in EAN. Evidently, B cells play a cooperative role via CD40L-CD40 interaction in T cell-mediated EAN of Lewis rats.
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Affiliation(s)
- Wei Zhu
- Department of Otorhinolaryngology, first Hospital, JiLin University, Changchun, China
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31
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Matà S, Borsini W, Caldini A, De Scisciolo G, Piacentini S, Taiuti R. Long-term evolution of anti-ganglioside antibody levels in patient with chronic dysimmune neuropathy under IVIg therapy. J Neuroimmunol 2006; 181:141-4. [PMID: 17023053 DOI: 10.1016/j.jneuroim.2006.08.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2006] [Revised: 08/25/2006] [Accepted: 08/29/2006] [Indexed: 12/01/2022]
Abstract
The authors retrospectively examined the anti-ganglioside antibody (AGA) IgM level changes from 14 patients with chronic dysimmune neuropathy (5 with multifocal motor neuropathy and 9 with chronic inflammatory demyelinating polyneuropathy) treated with maintenance doses of intravenous immunoglobulins (IVIg). The median follow-up was 5 years. At last follow-up, 93% of the patients had an increment of AGA levels, and five patients with initial AGA values within normal range became positive during follow-up. Overall, median AGA titers significantly increased from the first to the last samples, despite a substantial clinical stability after the initial improvement with IVIg. The AGA increment rate was inversely correlated with IVIg infusions interval necessary to maintain therapeutic efficacy. Thus, antibody testing in the follow-up of patients with dysimmune neuropathies may be helpful to predict the decline of IVIg efficacy and to identify those patients who eventually take advantage from an increase in infusion frequency.
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Affiliation(s)
- Sabrina Matà
- Department of Neurological and Psychiatric Sciences, Hospital of Careggi, viale Morgagni 85, 50139 Florence, Italy.
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Comín R, Yuki N, Lopez PHH, Nores GA. High affinity of anti-GM1 antibodies is associated with disease onset in experimental neuropathy. J Neurosci Res 2006; 84:1085-90. [PMID: 16881049 DOI: 10.1002/jnr.21004] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
High antibody affinity has been proposed as a disease determinant factor in neuropathies associated with anti-GM1 antibodies. An experimental model of Guillain-Barré syndrome, induced by immunization of rabbits with bovine brain gangliosides or GM1, was described recently (Yuki et al. [2001] Ann. Neurol. 49:712-720). We searched plasma from these rabbits, taken at disease onset and 1 or 2 weeks prior to onset, for the presence of high-affinity anti-GM1 IgG antibodies. Affinity was estimated by soluble antigen binding inhibition. High-affinity antibodies (binding inhibition by 10(-9) M GM1) were detected at disease onset but not before. No such difference was found for other antibody parameters such as titer, fine specificity, and population distribution. These findings support the proposed role of high affinity as an important factor in disease induction by anti-GM1 antibodies.
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Affiliation(s)
- Romina Comín
- Departamento de Química Biológica Dr. Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba and CIQUIBIC, CONICET, Córdoba, Argentina
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33
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Nakos G, Tziakou E, Maneta-Peyret L, Nassis C, Lekka ME. Anti-phospholipid antibodies in serum from patients with Guillain-Barré syndrome. Intensive Care Med 2005; 31:1401-8. [PMID: 16044250 DOI: 10.1007/s00134-005-2736-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2004] [Accepted: 06/24/2005] [Indexed: 12/01/2022]
Abstract
OBJECTIVE The Guillain-Barré syndrome (GBS) is an acute inflammatory polyneuropathy related to autoimmunity. However, no conclusive etiological concept has yet been found. We examined the variation in autoantibodies to lipids in serum of GBS patients in response to the course of the disease but investigated titer modifications during treatment with gamma-globulin. DESIGN AND SETTING Prospective clinical study in a 14-bed general ICU. PATIENTS Nine patients with GBS and nine controls were included in the study. MEASUREMENTS AND RESULTS Four blood samples were obtained before and after treatment. Serum samples, diluted 1:60, were tested by enzyme-linked immunosorbent assay for IgM, IgA, and IgG antibodies to phosphatidylcholine, phosphatidylinositol, cardiolipin, phosphatidic acid, phosphatidylserine, phosphatidylglycerol, phosphatidylethanolamine, sphingomyelin, and gangliosides. Anti-phospholipid antibodies of the IgM, IgA, and IgG families were detected in all GBS patients but in none of the controls. Phosphatidylinositol, cardiolipin, phosphatidylcholine, and phosphatidic acid were the main antigens. All patients developed anti-phosphatidylinositol antibodies of the IgM family and anti-cardiolipin antibodies of the IgA and IgG families. A decrease in the level of anti-phospholipid autoantibodies was observed after 1 day of treatment with gamma-globulin. Two days after ending gamma-globulin administration the IgG antibodies increased again. CONCLUSIONS Our findings suggest that in GBS there is an extensive immune reaction, which is altered after gamma-globulin treatment. Anti-cardiolipin and anti-phosphatidylinositol antibodies could be useful markers for the response to treatment.
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Affiliation(s)
- G Nakos
- Intensive Care Unit, University Hospital of Ioannina, 45110 Ioannina, Greece
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Csurhes PA, Sullivan AA, Green K, Greer JM, Pender MP, McCombe PA. Increased circulating T cell reactivity to GM1 ganglioside in patients with Guillain–Barré syndrome. J Clin Neurosci 2005; 12:409-15. [PMID: 15925771 DOI: 10.1016/j.jocn.2004.04.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2004] [Accepted: 04/22/2004] [Indexed: 10/25/2022]
Abstract
This study was performed to determine whether increased ganglioside-specific T cell reactivity can be detected in the peripheral blood of patients with Guillain-Barre syndrome (GBS) and chronic inflammatory demyelinating polyradiculoneuropathy (CIDP). T cell responsiveness to the gangliosides GM1, GM3, GD1a, GD1b, GD3, GT1b, GQ1b and sulphatide was assessed in peripheral blood mononuclear cells from untreated GBS patients (57), CIDP patients (43), patients with other peripheral neuropathies (55) and healthy control subjects (74) in a standard 6-day proliferation assay. Increased T cell reactivity to GM1 occurred in GBS patients compared to healthy controls and patients with other neuropathies. There was increased reactivity to GM3 in GBS patients compared to patients with other neuropathies but not compared to healthy controls. The frequencies of increased T cell reactivity to GM1 and GM3 in CIDP patients were intermediate between those of GBS patients and controls. We suggest that T cell reactivity to gangliosides might play a contributory role in the pathogenesis of GBS and perhaps CIDP.
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Affiliation(s)
- Peter A Csurhes
- Department of Medicine, The University of Queensland, Brisbane, Australia
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Kunishige M, Mitsui T, Yoshino H, Asano A, Tsuruo M, Endo I, Yagi F, Matsumoto T. Isolated cranial neuropathy associated with anti-glycolipid antibodies. J Neurol Sci 2004; 225:51-5. [PMID: 15465085 DOI: 10.1016/j.jns.2004.06.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2003] [Revised: 06/21/2004] [Accepted: 06/22/2004] [Indexed: 10/26/2022]
Abstract
We describe seven patients with isolated cranial neuropathy in whom serum anti-glycolipid antibodies were detected. Trigeminal sensory neuropathy was found in four patients, who had exhibited symptoms for 2 months to 4 years. The other three patients showed facial nerve palsy with or without ophthalmoparesis. Temporal profile analysis of anti-glycolipid antibodies revealed that titers of anti-glycolipid IgM antibodies against GM2 and LM1 gradually decreased in patients having chronic trigeminal sensory neuropathy. In patients with acute trigeminal sensory neuropathy, elevation of anti-LM1 antibody titers continued over 12 months although anti-GalNAc-GD1a antibody disappeared. On the other hand, titers of anti-glycolipid antibodies rapidly decreased in patients with acute facial nerve palsy with or without ophthalmoparesis. We conclude that anti-glycolipid antibodies may play an important role in the development of isolated cranial neuropathy in some patients.
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Affiliation(s)
- Makoto Kunishige
- Department of Medicine and Bioregulatory Sciences, University of Tokushima Graduate School of Medicine, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
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36
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Vincent A, Buckley C, Schott JM, Baker I, Dewar BK, Detert N, Clover L, Parkinson A, Bien CG, Omer S, Lang B, Rossor MN, Palace J. Potassium channel antibody-associated encephalopathy: a potentially immunotherapy-responsive form of limbic encephalitis. ACTA ACUST UNITED AC 2004; 127:701-12. [PMID: 14960497 DOI: 10.1093/brain/awh077] [Citation(s) in RCA: 651] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Patients presenting with subacute amnesia are frequently seen in acute neurological practice. Amongst the differential diagnoses, herpes simplex encephalitis, Korsakoff's syndrome and limbic encephalitis should be considered. Limbic encephalitis is typically a paraneoplastic syndrome with a poor prognosis; thus, identifying those patients with potentially reversible symptoms is important. Voltage-gated potassium channel antibodies (VGKC-Ab) have recently been reported in three cases of reversible limbic encephalitis. Here we review the clinical, immunological and neuropsychological features of 10 patients (nine male, one female; age range 44-79 years), eight of whom were identified in two centres over a period of 15 months. The patients presented with 1-52 week histories of memory loss, confusion and seizures. Low plasma sodium concentrations, initially resistant to treatment, were present in eight out of 10. Brain MRI at onset showed signal change in the medial temporal lobes in eight out of 10 cases. Paraneoplastic antibodies were negative, but VGKC-Ab ranged from 450 to 5128 pM (neurological and healthy controls <100 pM). CSF oligoclonal bands were found in only one, but bands matched with those in the serum were found in six other patients. VGKC-Abs in the CSF, tested in five individuals, varied between <1 and 10% of serum values. Only one patient had neuromyotonia, which was excluded by electromyography in seven of the others. Formal neuropsychology testing showed severe and global impairment of memory, with sparing of general intellect in all but two patients, and of nominal functions in all but one. Variable regimes of steroids, plasma exchange and intravenous immunoglobulin were associated with variable falls in serum VGKC-Abs, to values between 2 and 88% of the initial values, together with marked improvement of neuropsychological functioning in six patients, slight improvement in three and none in one. The improvement in neuropsychological functioning in seven patients correlated broadly with the fall in antibodies. However, varying degrees of cerebral atrophy and residual cognitive impairment were common. Over the same period, only one paraneoplastic case of limbic encephalitis was identified between the two main centres. Thus, VGKC-Ab-associated encephalopathy is a relatively common form of autoimmune, non-paraneoplastic, potentially treatable encephalitis that can be diagnosed by a serological test. Establishing the frequency of this new syndrome, the full range of clinical presentations and means of early recognition, and optimal immunotherapy, should now be the aim.
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Affiliation(s)
- Angela Vincent
- Neurosciences Group, Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DS, UK.
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37
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Rocha CT, Escolar DM. Update on diagnosis and treatment of hereditary and acquired polyneuropathies in childhood. SUPPLEMENTS TO CLINICAL NEUROPHYSIOLOGY 2004; 57:255-71. [PMID: 16106624 DOI: 10.1016/s1567-424x(09)70362-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Affiliation(s)
- Carolina Tesi Rocha
- Department of Neurology, Research Center for Genetic Medicine, MDA Clinic, Children's National Medical Center, George Washington University, Washington, DC 20010, USA
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38
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Inoue N, Kunishige M, Yoshida S, Oshima Y, Ohnishi Y, Kuroda Y, Asano A, Yoshino H, Matsumoto T, Mitsui T. Dissociation between titer of anti-ganglioside antibody and severity of symptoms in a case of Guillain-Barré syndrome with treatment-related fluctuation. J Neurol Sci 2003; 210:105-8. [PMID: 12736098 DOI: 10.1016/s0022-510x(03)00031-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Since plasma exchange (PE) and intravenous immunoglobulin (i.v.Ig) have been widely used in treatment for Guillain-Barré syndrome (GBS), early relapse and treatment-related fluctuation have been a potential problem, but little is known about the mechanism of relapse and fluctuation. We describe a patient who had GBS with treatment-related fluctuation. A 37-year-old Japanese man exhibited acute distal-dominant weakness in upper limbs after upper respiratory infection. His cranial nerve system was normal and muscle weakness was limited to upper limbs. Anti-GT1a IgG was strongly positive and anti-GQ1b IgG was also detected in his serum. Muscle weakness responded well to double-filtration plasmapheresis (DFPP) followed by i.v.Ig, but relapsed 45 days after the initial treatment. Although repeated treatments were effective, the patient showed additional minor deterioration twice. Motor nerve conduction velocities (MCVs) corresponded to the muscle weakness, but elevated level of cerebrospinal fluid (CSF) protein remained and anti-ganglioside antibody titers steadily decreased throughout the clinical course. These findings indicate that the clinical fluctuation was not due to changes in the production of anti-ganglioside antibodies but presumably to the transient beneficial effects of DFPP/i.v.Ig and the outlasting inflammatory response in peripheral nerves.
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Affiliation(s)
- Nami Inoue
- First Department of Internal Medicine, University of Tokushima School of Medicine, 3 Kuramoto-cho, Tokushima, Tokushima 770-8503, Japan
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Odaka M, Koga M, Yuki N, Susuki K, Hirata K. Longitudinal changes of anti-ganglioside antibodies before and after Guillain-Barré syndrome onset subsequent to Campylobacter jejuni enteritis. J Neurol Sci 2003; 210:99-103. [PMID: 12736097 DOI: 10.1016/s0022-510x(03)00029-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Anti-ganglioside antibodies frequently are present in sera from patients with Guillain-Barré syndrome (GBS) during the acute phase, but no patients in whom anti-ganglioside antibodies were tested before the onset of the syndrome have been reported. We describe the first case of GBS subsequent to Campylobacter jejuni infection, in which longitudinal changes in anti-ganglioside antibody titers were measured before and after the onset of limb weakness. Serum antibody titers against GM1 (IgM/IgG), GM1b (IgM/IgG), GalNAc-GD1a (IgM/IgG), and GD1b (IgG) were highest on the day of onset, but negative before onset. Anti-C. jejuni IgG and IgA antibody titers paralleled those of the anti-ganglioside antibodies, indicative that C. jejuni infection triggered anti-ganglioside antibody production. Press et al. [J. Neurol. Sci. 190 (2001) 41] reported that anti-ganglioside antibody titers peaked during the recovery phase, but our findings are counter to theirs. We speculate that anti-ganglioside antibodies are the primary effectors of nerve damage in GBS.
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Affiliation(s)
- Masaaki Odaka
- Department of Neurology, Dokkyo University School of Medicine, Kitakobayashi 880, Mibu, Shimotsuga, Tochigi 321-0293, Japan.
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40
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Abstract
Guillain-Barré syndrome (GBS) is the most common cause of acute paralysis, yet the pathogenesis has still not been fully elucidated and specific evidence-based consensus management guidelines have not been developed. This paper reviews the research of the past year dedicated to determining the pathogenesis of GBS, optimizing current management, and searching for more efficacious treatment alternatives. Several recent studies have investigated whether there are any particular factors that might predict the course of illness and, thereby, dictate the optimal treatment. Proposed evidence-based guidelines for elective intubation, admission to the intensive care unit, and overall management of GBS are summarized. Therapeutic plasma exchange and intravenous immunoglobulin are both treatments that have been shown to have a beneficial effect on the course of GBS. Various modifications of plasmapheresis, as well as other alternative therapies, are currently being investigated.
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Affiliation(s)
- Deborah M Green
- The Queen's Medical Center, Neuroscience Institute, 1301 Punchbowl Street, Honolulu, HI 96813, USA.
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41
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Alaedini A, Green PHR, Sander HW, Hays AP, Gamboa ET, Fasano A, Sonnenberg M, Lewis LD, Latov N. Ganglioside reactive antibodies in the neuropathy associated with celiac disease. J Neuroimmunol 2002; 127:145-8. [PMID: 12044986 DOI: 10.1016/s0165-5728(02)00102-9] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We tested patients with celiac disease (CD) for the presence of serum anti-ganglioside antibodies. Six of twenty-seven patient sera were reactive against brain gangliosides by an agglutination immunoassay. Neurological examination in all six revealed the presence of distal sensory loss, consistent with the diagnosis of peripheral neuropathy. When tested by ELISA for antibodies to isolated GM1, GM2, GD1a, GD1b, GT1b, and GQ1b gangliosides, all six were positive for IgG antibodies to at least one. The neuropathy of celiac disease may be autoimmune and associated with anti-ganglioside antibodies. The presence of IgG reactivity furthermore implicates a T cell-mediated response to ganglioside antigens.
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Affiliation(s)
- Armin Alaedini
- Department of Neurology and Neuroscience, Cornell University, 525 E. 68th St., LC-807, New York, NY 10021, USA.
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42
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Tsang RSW. The relationship of Campylobacter jejuni infection and the development of Guillain-Barré syndrome. Curr Opin Infect Dis 2002; 15:221-8. [PMID: 12015454 DOI: 10.1097/00001432-200206000-00002] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Campylobacter jejuni is recognized as the most common infectious agent associated with the development of Guillain-Barré syndrome. Available information on the complete genome sequence of C. jejuni NCTC 11168 has helped researchers to identify polysaccharide capsules as well as genetic mechanisms in the synthesis of ganglioside-like cell surface molecules in this bacteria. Toxins may contribute to the host's inflammatory response seen in Guillain-Barré syndrome.
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Affiliation(s)
- Raymond S W Tsang
- Central Nervous System Infection and Vaccine Preventable Bacterial Diseases Division, National Microbiology Laboratory, Population and Public Health Branch, Health Canada, Winnipeg, Manitoba, Canada.
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Alaedini A, Briani C, Wirguin I, Siciliano G, D'Avino C, Latov N. Detection of anti-ganglioside antibodies in Guillain-Barré syndrome and its variants by the agglutination assay. J Neurol Sci 2002; 196:41-4. [PMID: 11959155 DOI: 10.1016/s0022-510x(02)00022-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Sera from 40 patients with Guillain-Barré syndrome (GBS), including the subtypes acute inflammatory demyelinating polyneuropathy (AIDP), acute motor axonal neuropathy (AMAN), acute motor and sensory axonal neuropathy (AMSAN), and Miller Fisher syndrome (MFS) were examined for the presence of anti-ganglioside antibodies using the ganglioside agglutination assay, and the enzyme-linked immunosorbent assay (ELISA). In the ELISA system, sera were tested for IgM and IgG antibodies to GM1, GM2, GD1a, GD1b, GT1b, and GQ1b gangliosides. Antibodies to gangliosides were detected in 21 (53%) of the GBS patients by agglutination assay and in 17 (43%) of the patients by ELISA. Some of the sera reacted with more than one ganglioside. Antibodies were not found in the control sera that were studied. The agglutination assay may be useful for rapid screening of GBS sera for antibodies to multiple gangliosides.
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Affiliation(s)
- Armin Alaedini
- Department of Neurology and Neuroscience, Cornell University, 525 E. 68th St., Room LC 807, New York, NY 10021, USA.
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