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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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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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Becker T, Pieper F, Liebetanz D, Bleyer M, Schrod A, Maetz-Rensing K, Treue S. Suspect Guillain-Barré syndrome in a male rhesus macaque ( Macaca mulatta). Primate Biol 2017; 4:27-32. [PMID: 32110689 PMCID: PMC7041522 DOI: 10.5194/pb-4-27-2017] [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: 11/30/2016] [Accepted: 02/13/2017] [Indexed: 11/11/2022] Open
Abstract
Guillain-Barré syndrome (GBS) is a rare, mainly acute inflammatory polyneuropathy in humans. It is frequently post-infectious with auto antibodies being formed against myelin sheaths, resulting in a progressive and more-or-less severe paralysis of the motor neuron and cranial nerves. Mortality is low and 60 % of the patients recover completely from the disease after intensive treatment. In animals, there are a few diseases that closely resemble GBS, but cases of GBS in monkeys seem to be scarce. In this case report, the clinical course of a progressive tetraplegia in a male rhesus macaque is described. Clinical, cerebrospinal fluid (CSF), electroneurography (ENG) and electromyography (EMG), and pathological findings revealed symptoms very similar to human GBS.
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Affiliation(s)
| | | | - David Liebetanz
- Georg August University, University Hospital, 37075 Göttingen, Germany
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Moran A, Appelmelk B, Aspinall G. Review: Molecular mimicry of host structures by lipopolysaccharides of Campylobacter and Helicobacter spp.: implications in pathogenesis. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/096805199600300611] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Molecular mimicry of host structures by the saccharide portion of lipopolysaccharide (LPS) contributes to the virulence of certain strains of mucosal pathogens. Mimicry by the low molecular weight (low-Mr) LPSs of Neisseria and Haemophilus spp. have been the most extensively studied. However, studies within the last decade have revealed other types of mimicry within the saccharide moieties of LPSs of the enteric pathogen Campylobacter jejuni and the gastroduodenal pathogen Helicobacter pylori. The core oligosaccharides of low-Mr LPSs of C. jejuni serotypes which are associated with the development of Guillain-Barré syndrome (GBS), a neurological disorder, exhibit mimicry of gangliosides. Cross-reactive antibodies between LPSs and gangliosides which are induced during antecedent C. jejuni infection are considered to play an important role in GBS pathogenesis. The O-polysaccharide chains of high-Mr LPSs of a number of H. pylori strains mimic Lewisx and/or Lewisy blood group antigens. This mimicry may camouflage the bacterium in the gastric mucosa upon initial infection. With the progression of infection, the mimicry may play a role in immune response regulation and the induction of autoantibodies against the gastric proton pump, a glycoprotein that also expresses Lewis antigens.
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Affiliation(s)
- A.P. Moran
- Department of Microbiology, University College, Galway, Ireland,
| | - B.J. Appelmelk
- Department of Medical Microbiology, School of Medicine, Vrije Universiteit, Amsterdam, The Netherlands
| | - G.O. Aspinall
- Department of Chemistry, York University, Toronto, Ontario, Canada
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Schwerer B, Neisser A, Polt R, Bernheimer H, Moran A. Antibody cross-reactivities between gangliosides and lipopolysaccharides of Campylobacter jejuni serotypes associated with Guillain-Barré syndrome. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/096805199600200602] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Ganglioside-antibodies produced subsequent to Campylobacter jejuni infection may play a role in the pathogenesis of the neurological disorder Guillain-Barré syndrome (GBS). Since lipopolysaccharides (LPS) of certain C. jejuni serotypes associated with GBS (O:2, O:4, O:19) exhibit structural mimicry of gangliosides in their core oligosaccharides, we investigated antibody and ligand cross-reactivities between gangliosides and LPS of these C. jejuni serotypes. GM1-antibody reacted with O:19 LPS reflecting GM1 mimicry by the O:19 core oligosaccharide. On the other hand, asialoGM1-antibody bound to O:2 and O:19 LPS indicating a shared epitope not dependent on ganglioside mimicry. Serum IgA from GBS patients after C. jejuni infection reacted with gangliosides, predominantly GM1, and LPS of all three serotypes. Cholera toxin (GM1 ligand) recognized O:4 and O:19 LPS, whereas peanut agglutinin (Galβ1-3GalNAc ligand) recognized LPS of all three serotypes, thereby confirming structural mimicry. These results suggest that LPS from certain C. jejuni strains may function as cross-reactive antigens for anti-ganglioside B cells.
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Affiliation(s)
- B. Schwerer
- Klinisches Institut für Neurologie, University of Vienna, Vienna, Austria, Department of Microbiology, University College, Galway, Ireland
| | - A. Neisser
- Klinisches Institut für Neurologie, University of Vienna, Vienna, Austria, Department of Microbiology, University College, Galway, Ireland
| | - R.J. Polt
- Klinisches Institut für Neurologie, University of Vienna, Vienna, Austria, Department of Microbiology, University College, Galway, Ireland
| | - H. Bernheimer
- Klinisches Institut für Neurologie, University of Vienna, Vienna, Austria, Department of Microbiology, University College, Galway, Ireland
| | - A.P. Moran
- Klinisches Institut für Neurologie, University of Vienna, Vienna, Austria, Department of Microbiology, University College, Galway, Ireland
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Suturkova L, Brezovska K, Poceva-Panovska A, Grozdanova A, Knezevic Apostolski S. Glycoconjugates as target antigens in peripheral neuropathies. MAKEDONSKO FARMACEVTSKI BILTEN 2014. [DOI: 10.33320/maced.pharm.bull.2014.60.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Identification and characterization of antigens present at the human peripheral nerve is a great challenge in the field of neuroimmunology. The latest investigations are focused on the understanding of the biology of glycoconjugates present at the peripheral nerve, and their immunological reactivity. Increased titers of antibodies that recognize carbohydrate determinants of glycoconjugates (glycolipids and glycoproteins) are associated with distinct neuropathic syndromes. There is considerable cross-reactivity among anti-ganglioside antibodies, resulting from shared oligosaccharide epitopes, possibly explaining the overlap in syndromes observed in many affected patients. Sera
from patients with neuropathies (GBS, chronic inflammatory demielynating polyneuropathy - CIDP, multifocal motor neuropathy - MMN), cross-react with glycoproteins isolated from human peripheral nerve and from Campylobacter jejuni O:19. The frequency of occurrence of antibodies against these glycoproteins is different, depending of the type of neuropathy. Identification of the cross-reactive glycoproteins and possible additional auto antigens could be useful in laboratory evaluation of peripheral neuropathies and help to develop a more effective therapeutic approach.
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Antibodies to Glycoproteins Shared by Human Peripheral Nerve and Campylobacter jejuni in Patients with Multifocal Motor Neuropathy. Autoimmune Dis 2013; 2013:728720. [PMID: 23762534 PMCID: PMC3666391 DOI: 10.1155/2013/728720] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Accepted: 04/19/2013] [Indexed: 11/18/2022] Open
Abstract
We have tested serum samples from 24 patients with multifocal motor neuropathy (MMN) for reactivity to ganglioside GM1 and to Gal( β 1-3)GalNAc-bearing glycoproteins isolated from human peripheral nerve and from Campylobacter jejuni (Cj) serotype O:19. IgM anti-GM1 antibodies were detected by ELISA in 11 patients (45.8%) with MMN and in only one subject (4%) from the control group. Western blots showed positive reactivity of sera from 6 patients (25%) with MMN to several Gal( β 1-3)GalNAc-bearing glycoproteins from human peripheral nerve and from Cj O:19 isolates. Sera from three patients (12.5%) with MMN showed positively reactive bands with similar electrophoretic mobility in all isolates (60-62 kDa, 48-51 kDa, 42 kDa, and 38 kDa). All six patients showed positive reactivity to 48-52 kDa protein isolated from human peripheral nerve. Increased titer of IgG antibodies to 60-62 kDa protein isolated from Cj O:19 associated with Guillain-Barré syndrome was detected in three patients, and their serum showed also IgG positive reactivity to peripheral nerve antigen with the same electrophoretic mobility. One of these patients had a previous history of Cj infection which suggests the possibility that Cj may be also involved in the pathogenesis of MMN.
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Abstract
BACKGROUND Autoantibodies targeted against a variety of self-antigens are detected in autoimmune diseases and cancer. Emerging evidence has suggested the involvement of environmental factors such as infections and xenobiotics, and some dietary proteins and their antibodies in the pathogenesis of many autoimmune diseases. These antibodies appear in the blood years before presentation of symptoms in various disorders. Therefore, these antibodies may be used as biomarkers for early detection of various diseases. OBJECTIVE To provide an overview of antibody arrays that are measured against different human tissue antigens, crossreactive epitopes of infectious agents, dietary proteins, and haptenic chemicals in autoimmune diseases and cancer. METHOD Microarray analysis of antigen-antibody reaction. CONCLUSION The application of these antibody arrays to human autoimmune disease is expanding and is allowing for the identification of patterns or antibody signatures, thus establishing the premises for increased sensitivity and specificity of prediction, as well as positive predictive values. The presence of these antibodies would not necessarily mean that a patient would definitely become sick but may give a percentage of risk for different conditions that may develop over future months or years. Using this high-throughput microarray method, it is possible to screen rapidly for dozens of autoantibodies at low cost. This is an important factor in the implementation of autoantibody testing as a routine part of medical examinations.
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Affiliation(s)
- Aristo Vojdani
- Immunosciences Lab., Inc., 8693 Wilshire Blvd, Ste. 200, Beverly Hills, CA 90211, USA +1 310 657 1077 ; +1 310 657 1053 ;
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Abstract
The identification of autoantibodies associated with dysimmune neuropathies was a major contribution to the characterization of peripheral nerve disorders, the understanding of their pathophysiology, and the clinical diagnosis of neuropathies. Antibodies directed to GM1, GQ1b, and disyalilated gangliosides, and anti-MAG antibodies are very useful in the diagnosis of acute or chronic motor or sensory-motor neuropathies with or without monoclonal IgM. Anti-onconeural anti-Hu and anti-CV2/CRMP antibodies allow when they are detected the diagnosis of paraneoplastic neuropathies. This chapter focuses on the description of these antibodies as diagnostic markers and on their immunopathogenesis. We give a background overview on the origin of these antibodies, their detection, and review those studies, which clearly show that these antibodies are capable of binding to the target tissues in peripheral nerve and thereby can exert a variety of pathophysiological effects. The corresponding electrophysiological and histological changes observed both in human and animal models are exemplified in order to get a better understanding of the immune mechanisms of these antibody-mediated neuropathies.
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Affiliation(s)
- Andreas Steck
- Department of Neurology, University Hospital Basel, Basel, Switzerland.
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10
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Basta I, Suturkova L, Vujić A, Aleksić S, Poceva A, Paskoska A, Milenikova K, Trikić R, Apostolski S. [Antibodies to ganglioside GM1 and Campylobacter jejuni in patients with Guillain-Barré syndrome]. SRP ARK CELOK LEK 2006; 133:123-8. [PMID: 16206698 DOI: 10.2298/sarh0504123b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Guillain-Barré syndrome (GBS) is an acute immune mediated neuropathy, polyradiculoneuritis, characterized by rapid onset of symmetric extremity muscle paralysis, areflexia and albuminocytological dissociation in the cerebrospinal fluid (CSF). Recently, the heterogeneity of GBS has been noticed with definition of several GBS variants. The axonal GBS associated with anti-GM1 antibodies is the most important variant with the specific role of Campylobacterjejuni (CJ) in the induction of the disease. The role of our study was to determine the frequency of antecedent infection with CJ in the population of our patients with GBS, the association with anti-GM1 antibodies and the distribution of these antibodies within clinical forms of the disease. The diagnosis of GBS has been established in 17 patients according to clinical, electrophysiological and laboratory (CSF) criteria. The serum antibodies to 63 kDa flagellar protein isolated from CJ serotype 0:19 were determined by ELISA and Western blot and serum anti-GM1 antibodies by ELISA. In relation to the disability score two patients were ambulatory, five were ambulatory with support, seven were bedridden and two patients needed respirator. Five (29%) patients had pure motor, while 12 (71%) had sensorimotor GBS. The cranial nerves were involved in 11 (65%) and 9 (53%) patients had autonomic dysfunction. Electromyoneurography showed primary axonal, predominantly motor neuropathy in 6 (35%) and demyelinating sensorimotor neuropathy in 11 (65%) patients. The CSF protein content ranged from 0.47 to 3.88 g/L. The antecedent infection with CJ was shown by serum antibodies to CJ flagellar protein in 12 (71%) patients. Fifteen (88%) patients had IgG anti-GM1 antibodies. Twelve (71%) patients had both antibodies. In relation to the clinical form, anti-CJ antibodies were found in 8 (73%) out of 11 patients with demyelinating GBS and in 4 (66.6%) out of 6 patients with axonal GBS. The high titer of anti-GM1 antibodies was found in all patients (100%) with axonal and in 9 (82%) out of 11 patients with demyelinating GBS. The association of IgG anti-CJ and IgG anti-GM1 antibodies was found in 4 (66.6%) out of 6 patients with axonal and in 8 (73%) out of 11 patients with demyelinating GBS. The main features of our patients with GBS were high frequency of antecedent infection with CJ, unusually frequent association with anti-GM1 antibodies, and equally frequent association of anti-CJ and anti-GM1 antibodies in both, axonal and demyelinating GBS.
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Affiliation(s)
- Ivana Basta
- Institute of Neurology, Clinical Center of Serbia, Belgrade
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11
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Nobile-Orazio E, Cappellari A, Priori A. Multifocal motor neuropathy: current concepts and controversies. Muscle Nerve 2005; 31:663-80. [PMID: 15770650 DOI: 10.1002/mus.20296] [Citation(s) in RCA: 113] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Multifocal motor neuropathy (MMN) is now a well-defined purely motor multineuropathy characterized by the presence of multifocal partial motor conduction blocks (CB), frequent association with anti-GM1 IgM antibodies, and usually a good response to high-dose intravenous immunoglobulin (IVIg) therapy. However, several issues remain to be clarified in the diagnosis, pathogenesis, and therapy of this condition including its nosological position and its relation to other chronic dysimmune neuropathies; the degree of CB necessary for the diagnosis of MMN; the existence of an axonal form of MMN; the pathophysiological basis of CB; the pathogenetic role of antiganglioside antibodies; the mechanism of action of IVIg treatments in MMN and the most effective regimen; and the treatment to be used in unresponsive patients. These issues are addressed in this review of the main clinical, electrophysiological, immunological, and therapeutic features of this neuropathy.
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Affiliation(s)
- Eduardo Nobile-Orazio
- Dino Ferrari Centre and Centre of Excellence for Neurodegenerative Diseases, Department of Neurological Sciences, Milan University, IRCCS Ospedale Maggiore Policlinico, and Humanitas Clinical Institute, Milan, Italy.
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Abstract
Recent advances in neuroimmunology have led to improvements in the pathogenesis, diagnosis, prognosis, and treatment of many neuromuscular disorders. The value of autoantibody testing is increasing steadily in neurologic practice. Not all antibodies have a high yield in diagnosis. In some disorders, such as generalized adult onset of myasthenia gravis, Lambert-Eaton myasthenic syndrome,Miller Fisher syndrome, and multifocal motor neuropathy,autoantibody tests provide accurate diagnosis and can be considered biologic markers of these disorders.
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Affiliation(s)
- Rahman Pourmand
- State University of New York, Stony Brook, NY 11794-8121, USA.
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Andersen SM, Ling CC, Zhang P, Townson K, Willison HJ, Bundle DR. Synthesis of ganglioside epitopes for oligosaccharide specific immunoadsorption therapy of Guillian-Barré syndrome. Org Biomol Chem 2004; 2:1199-212. [PMID: 15064799 DOI: 10.1039/b400029c] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Guillain-Barré syndrome is a postinfectious, autoimmune neuropathy resulting in neuromuscular paralysis. Auto-antibodies, often induced by bacterial infection, bind to human gangliosides possessing monosialoside and diasialoside epitopes and impair the function of nerve junctions, where these ganglioside structures are highly enriched. Truncated gangliosides representive of GD3, GQ1b and GM2 epitopes have been synthesized as methyl glycosides and as a glycosides of an eleven carbon tether. The synthetic oligosaccharide ligands are structural mimics of these highly complex ganglioside epitopes and via their ability to neutralize or remove auto-antibodies have the potential for therapy, either as soluble blocking ligands administered systemically, or as immuno-affinity ligands for use as extracorporeal immunoadsorbents.
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Affiliation(s)
- Søren M Andersen
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada T6G 2G2
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Lee G, Jeong Y, Wirguin I, Hays AP, Willison HJ, Latov N. Induction of human IgM and IgG anti-GM1 antibodies in transgenic mice in response to lipopolysaccharides from Campylobacter jejuni. J Neuroimmunol 2004; 146:63-75. [PMID: 14698848 DOI: 10.1016/j.jneuroim.2003.10.045] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Campylobacter jejuni lipopolysaccharides (LPS) are implicated in the development of autoantibodies to GM1 ganglioside in patients with neuropathy following C. jejuni infection. CjLPS bears oligosaccharides that are cross reactive with GM1 ganglioside and presumably exerts its effects via molecular mimicry. To study the mechanisms that are involved in development of the autoantibody response, a transgenic mouse line was developed that expresses an IgM anti-GM1 antibody derived from a patient with multifocal motor neuropathy (MMN). In vivo stimulation of the transgenic mice with C. jejuni lipopolysaccharides (CjLPS), but not of wild-type mice readily elicited high serum titers of anti-GM1 IgM antibodies, followed by IgG anti-GM1 antibodies after two booster injections. In in vitro experiments, CjLPS stimulated the transgenic B-cells at lower concentration than control LPS. The increased sensitivity to CjLPS and the induction of IgG anti-GM1 by CjLPS but not control LPS are consistent with a mechanism of B-cell activation that involves both the LPS and the antigen-specific surface Ig receptors, with possible participation of T-cells.
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Affiliation(s)
- Grace Lee
- Department of Neurology and Neuroscience, Weill Medical College, Cornell University, New York, NY, USA.
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Terenghi F, Allaria S, Scarlato G, Nobile-Orazio E. Multifocal motor neuropathy and Campylobacter jejuni reactivity. Neurology 2002; 59:282-4. [PMID: 12136073 DOI: 10.1212/wnl.59.2.282] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
In some patients, Campylobacter jejuni infection has been associated with the development of multifocal motor neuropathy (MMN) and high titers of antiganglioside antibodies. The authors measured anti-C. jejuni antibodies by ELISA and immunoblot in 20 patients with MMN, and correlated their presence with antiganglioside reactivity and a history of recent diarrhea. Only one patient had high titers of anti-C. jejuni antibodies, indicating that C. jejuni is unlikely to be involved in the pathogenesis of MMN in most patients.
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Affiliation(s)
- Fabrizia Terenghi
- Giorgio Spagnol Service of Clinical Neuroimmunology, Department of Neurological Sciences, Dino Ferrari Center, Milan University, IRCCS Ospedale Maggiore Policlinico, Milan, Italy
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16
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Moran AP, Prendergast MM, Hogan EL. Sialosyl-galactose: a common denominator of Guillain-Barré and related disorders? J Neurol Sci 2002; 196:1-7. [PMID: 11959149 DOI: 10.1016/s0022-510x(02)00036-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The immune reactivity implicated in the pathogenesis of Guillain-Barré syndrome (GBS) and related diseases, which occur following infection with specific strains of Campylobacter jejuni bearing sialylated lipopolysaccharide structures that cross-react with specific gangliosides, is consistent with provocation of inflammation via molecular mimicry. In this review, we have focused upon microbial characteristics and structures, the fine structure of the essential carbohydrate determinants, and the application of our proposed criteria, modified from those of Koch for causation of infectious and of Witebsky for autoimmune diseases, to the circumstance of infectious induction of autoimmune disorder.
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Affiliation(s)
- Anthony P Moran
- Department of Microbiology, National University of Ireland, Galway, Ireland.
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17
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Moran AP, Prendergast MM. Molecular mimicry in Campylobacter jejuni and Helicobacter pylori lipopolysaccharides: contribution of gastrointestinal infections to autoimmunity. J Autoimmun 2001; 16:241-56. [PMID: 11334489 DOI: 10.1006/jaut.2000.0490] [Citation(s) in RCA: 110] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Molecular mimicry of host structures by the saccharide portion of lipopolysaccharides (LPS) of the gastrointestinal pathogens Campylobacter jejuni and Helicobacter pylori is thought to be associated with the development of autoimmune sequelae. C. jejuni, a leading cause of gastroenteritis, is the most common antecedent infection in Guillain-Barré syndrome (GBS), an inflammatory neuropathy. Chemical analyses of the core oligosaccharides of neuropathy-associated C. jejuni strains have revealed structural homology with human gangliosides. Serum antibodies against gangliosides are found in one third of GBS patients but are generally absent in enteritis cases. Collective data suggest that the antibodies are induced by antecedent infection with C. jejuni, and subsequently react with nerve tissue causing damage. The O-chains of most H. pylori strains express Lewis blood group antigens which are thought to have a role in camouflage of the bacterium as these antigens are also present on human gastric epithelial cells. In chronic H. pylori infections, bacterial expression of Lewis antigens is suggested to be involved in the induction of autoantibodies against the Lewis antigen-expressing gastric proton pump. Many aspects of the autoimmune mechanisms in C. jejuni -associated GBS and H. pylori -induced atrophic gastritis remain unclear, such as the involvement of T cells and the role of host factors.
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Affiliation(s)
- A P Moran
- Department of Microbiology, National University of Ireland, Galway, Ireland.
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Abstract
Multifocal motor neuropathy (MMN) is a recently identified peripheral nerve disorder characterized by progressive, predominantly distal, asymmetric limb weakness mostly affecting upper limbs, minimal or no sensory impairment, and by the presence on nerve conduction studies of multifocal persistent partial conduction blocks on motor but not sensory nerves. The etiopathogenesis of MMN is not known, but there is some evidence, based mostly on the clinical improvement after immunological therapies, that the disease has an immunological basis. Antibodies, mostly IgM, to the gangliosides GM1, and though less frequently, GM2 and GD1a, are frequently detected in patients' sera, helping in the diagnosis of this disease. Even if there is some experimental evidence that these antibodies may be pathogenic in vitro, their role in the neuropathy remains to be established. Patients with MMN do not usually respond to steroids or plasma exchange, which may occasionally worsen the symptoms, while the efficacy of cyclophosphamide is limited by its relevant side effects. More than 80% of MMN patients rapidly improve with high dose intravenous immunoglobulin therapy (IVIg). The effect of this therapy is, however, transient and improvement has to be maintained with periodic infusions. A positive response to interferon-beta has been recently reported in a minority of patients, some of whom were resistant to IVIg. Even if many progresses have been made on the diagnosis and therapy of MMN, there are still several issues on the nosological position, etiopathogenesis and long-term treatment of this neuropathy that need to be clarified.
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Affiliation(s)
- E Nobile-Orazio
- "Giorgio Spagnol" Service of Clinical Neuroimmunology, Dino Ferrari Centre, Department of Neurological Sciences, University of Milan, IRCCS Ospedale Maggiore Policlinico, Via Francesco Sforza 35, 20122, Milan, Italy.
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19
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Alaedini A, Latov N. Detection of anti-GM1 ganglioside antibodies in patients with neuropathy by a novel latex agglutination assay. JOURNAL OF IMMUNOASSAY 2000; 21:377-86. [PMID: 11071254 DOI: 10.1080/01971520009349543] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Highly elevated titers of serum anti-GM1 ganglioside antibodies are closely associated with multifocal motor neuropathy, but low titers are commonly present in normal individuals or other diseases. Current systems for measuring anti-GM1 antibodies utilize the enzyme-linked immunosorbent assay (ELISA), in which serum dilutions are tested for binding to excess antigen immobilized on the surface of microwells. The ELISA system, however, is relatively time consuming, labor intensive, and costly, in addition to being prone to methodological variability. We have developed a novel agglutination assay for the detection of anti-GM1 antibodies, utilizing GM1 ganglioside-coated latex beads. In contrast to the ELISA system, antibody titers may be quantified by testing for agglutination using latex beads coated with decreasing amounts of antigen. The agglutination assay compares favorably to the ELISA system in sensitivity and specificity, but is considerably less costly and takes only a few minutes to perform.
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Affiliation(s)
- A Alaedini
- Department of Neurology, Columbia University, New York, NY 10032, USA.
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20
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Briani C, Santoro M, Latov N. Antibodies to chondroitin sulfates A, B, and C: clinico-pathological correlates in neurological diseases. J Neuroimmunol 2000; 108:216-20. [PMID: 10900356 DOI: 10.1016/s0165-5728(00)00260-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Anti-chondroitin sulfates (ChSs) antibodies have been reported in neuropathy and neurodegenerative diseases. Differences in specificities may account for their association with different diseases. Sera from 303 neurological patients were tested for antibodies to ChSs A, B, C. Titers >/=51,200 were found in 16 patients (eight peripheral neuropathy, three motor neuron disease, four multiple sclerosis, one myelitis). Three patients also had anti-sulfatides antibodies, which in two cases cross-reacted with ChSs. By indirect immunofluorescence, positive sera stained nuclei on normal human peripheral nerve sections. These findings indicate that human anti-ChSs antibodies are broadly reactive and not specific to any neurological disease.
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Affiliation(s)
- C Briani
- Department of Neurology, Columbia University, Black Bldg. 3-323, 630 West 168th Street, New York, NY 10032, USA.
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21
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Jauberteau-Marchan MO. Relationship between autoantibody specificities and peripheral nervous system involvements. Clin Rev Allergy Immunol 2000; 19:41-9. [PMID: 11064825 DOI: 10.1385/criai:19:1:41] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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22
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Bersudsky M, Rosenberg P, Rudensky B, Wirguin I. Lipopolysaccharides of a Campylobacter coli isolate from a patient with Guillain-Barré syndrome display ganglioside mimicry. Neuromuscul Disord 2000; 10:182-6. [PMID: 10734265 DOI: 10.1016/s0960-8966(99)00106-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Campylobacter coli was isolated from a patient with severe, axonal type Guillain-Barré syndrome (GBS). The patient's serum was tested by ELISA for glycolipid antibodies and showed a high titer of IgG antibodies to asialo-GM1 (GA1) and GD3. Campylobacter coli lipopolysaccharide (LPS) was extracted and analyzed by ELISA, immunoblot binding and blocking studies, and found to avidly bind cholera toxin and peanut agglutinin. The LPS from the patient's isolate also induced anti-GA1 antibodies in a rat model. These findings suggest that the LPS from this bacterial isolate contains a ganglioside-like epitope, which most likely resembles GA1. Thus, it appears that ganglioside cross-reactivity is not unique to Campylobacter jejuni and seems to occur in all bacterial isolates from GBS cases so far analyzed.
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Affiliation(s)
- M Bersudsky
- Department of Neurology, Soroka Medical Center and Goldman Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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23
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Neisser A, Schwerer B, Bernheimer H, Moran AP. Ganglioside-induced antiganglioside antibodies from a neuropathy patient cross-react with lipopolysaccharides of Campylobacter jejuni associated with Guillain-Barré syndrome. J Neuroimmunol 2000; 102:85-8. [PMID: 10626671 DOI: 10.1016/s0165-5728(99)00159-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Antiganglioside serum antibodies from a patient treated with gangliosides were examined for cross-reactivity with lipopolysaccharides (LPSs) of Campylobacter jejuni strains associated with Guillain-Barré syndrome (GBS). The patient had no preceding infection with C. jejuni and developed chronic progressive motor polyneuropathy following parenteral ganglioside treatment. Serum IgG antibodies recognised GM1 and GD1b gangliosides as well as asialo-GM1, and cross-reactivity was observed with LPSs from C. jejuni O:2, O:4, O:19 and O:41. The results give a clear indication that gangliosides and LPSs from C. jejuni serotypes associated with GBS share common epitopes.
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Affiliation(s)
- A Neisser
- Institute of Neurology, University of Vienna, Austria
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24
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Goodyear CS, O'Hanlon GM, Plomp JJ, Wagner ER, Morrison I, Veitch J, Cochrane L, Bullens RW, Molenaar PC, Conner J, Willison HJ. Monoclonal antibodies raised against Guillain-Barré syndrome-associated Campylobacter jejuni lipopolysaccharides react with neuronal gangliosides and paralyze muscle-nerve preparations. J Clin Invest 1999. [PMID: 10491405 DOI: 10.1172/jci6837e1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Guillain-Barré syndrome and its variant, Miller-Fisher syndrome, are acute, postinfectious, autoimmune neuropathies that frequently follow Campylobacter jejuni enteritis. The pathogenesis is believed to involve molecular mimicry between sialylated epitopes on C. jejuni LPSs and neural gangliosides. More than 90% of Miller-Fisher syndrome cases have serum anti-GQ1b and anti-GT1a ganglioside antibodies that may also react with other disialylated gangliosides including GD3 and GD1b. Structural studies on LPS from neuropathy-associated C. jejuni strains have revealed GT1a-like and GD3-like core oligosaccharides. To determine whether this structural mimicry results in pathogenic autoantibodies, we immunized mice with GT1a/GD3-like C. jejuni LPS and then cloned mAb's that reacted with both the immunizing LPS and GQ1b/GT1a/GD3 gangliosides. Immunohistology demonstrated antibody binding to ganglioside-rich sites including motor nerve terminals. In ex vivo electrophysiological studies of nerve terminal function, application of antibodies either ex vivo or in vivo via passive immunization induced massive quantal release of acetylcholine, followed by neurotransmission block. This effect was complement-dependent and associated with extensive deposits of IgM and C3c at nerve terminals. These data provide strong support for the molecular mimicry hypothesis as a mechanism for the induction of cross-reactive pathogenic anti-ganglioside/LPS antibodies in postinfectious neuropathies.
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Affiliation(s)
- C S Goodyear
- University Department of Neurology, Southern General Hospital, Glasgow G51 4TF, Scotland
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25
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Goodyear CS, O'Hanlon GM, Plomp JJ, Wagner ER, Morrison I, Veitch J, Cochrane L, Bullens RW, Molenaar PC, Conner J, Willison HJ. Monoclonal antibodies raised against Guillain-Barré syndrome-associated Campylobacter jejuni lipopolysaccharides react with neuronal gangliosides and paralyze muscle-nerve preparations. J Clin Invest 1999; 104:697-708. [PMID: 10491405 PMCID: PMC408431 DOI: 10.1172/jci6837] [Citation(s) in RCA: 168] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Guillain-Barré syndrome and its variant, Miller-Fisher syndrome, are acute, postinfectious, autoimmune neuropathies that frequently follow Campylobacter jejuni enteritis. The pathogenesis is believed to involve molecular mimicry between sialylated epitopes on C. jejuni LPSs and neural gangliosides. More than 90% of Miller-Fisher syndrome cases have serum anti-GQ1b and anti-GT1a ganglioside antibodies that may also react with other disialylated gangliosides including GD3 and GD1b. Structural studies on LPS from neuropathy-associated C. jejuni strains have revealed GT1a-like and GD3-like core oligosaccharides. To determine whether this structural mimicry results in pathogenic autoantibodies, we immunized mice with GT1a/GD3-like C. jejuni LPS and then cloned mAb's that reacted with both the immunizing LPS and GQ1b/GT1a/GD3 gangliosides. Immunohistology demonstrated antibody binding to ganglioside-rich sites including motor nerve terminals. In ex vivo electrophysiological studies of nerve terminal function, application of antibodies either ex vivo or in vivo via passive immunization induced massive quantal release of acetylcholine, followed by neurotransmission block. This effect was complement-dependent and associated with extensive deposits of IgM and C3c at nerve terminals. These data provide strong support for the molecular mimicry hypothesis as a mechanism for the induction of cross-reactive pathogenic anti-ganglioside/LPS antibodies in postinfectious neuropathies.
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Affiliation(s)
- C S Goodyear
- University Department of Neurology, Southern General Hospital, Glasgow G51 4TF, Scotland
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26
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Prendergast MM, Willison HJ, Moran AP. Human monoclonal immunoglobulin M antibodies to ganglioside GM1 show diverse cross-reactivities with lipopolysaccharides of Campylobacter jejuni strains associated with Guillain-Barré syndrome. Infect Immun 1999; 67:3698-701. [PMID: 10377164 PMCID: PMC116569 DOI: 10.1128/iai.67.7.3698-3701.1999] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We examined the reactivity of a panel of anti-GM1 immunoglobulin M monoclonal antibodies (MAbs) cloned from multifocal motor neuropathy patients with lipopolysaccharides (LPSs) of Campylobacter jejuni strains, including serotype O:41 strains associated with Guillain-Barré syndrome. The MAbs reacted with ganglioside GM1 to different degrees, and these differences in fine specificities for GM1 were reflected in the different degrees of reactivity with each of the C. jejuni LPSs tested. Antibodies could also be discriminated by the varying patterns of inhibition by cholera toxin (a GM1 ligand) in LPS binding studies. These results indicate that there is a substantial heterogeneity among C. jejuni O:41 strains in their expression of GM1-like epitopes and among the fine specificities of different neuropathy-associated anti-GM1 antibodies.
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Affiliation(s)
- M M Prendergast
- Department of Microbiology, National University of Ireland, Galway, Ireland
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27
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Abstract
Specific criteria that are required for understanding the significance of glycosphingolipid (GSL) antibodies, as well as mechanisms that may underlie the immunopathogenesis of these disorders, are proposed. These criteria are illustrated by describing the role of a unique family of acidic GSLs, the sulfated glucuronosyl glycolipids (SGGLs), in the pathogenic mechanisms of peripheral neuropathy with IgM paraproteinemia. High anti-SGGL antibody titers are detected in patients suffering from this disorder. It is demonstrated that SGGLs, which possess a common carbohydrate epitope with myelin-associated glycoprotein (MAG), several low-molecular-weight glycoproteins in the PNS, and a number of cell adhesion molecules, are potential target antigens for the neuropathy. Evidence is provided that sensitization of laboratory animals with pure SGGLs elicits experimental peripheral neuropathies that exhibit remarkable similarities with respect to antibody specificity, and electrophysiological and pathological features to the human conditions. By intraneural injection of antibodies into the sciatic nerve of rats, it is demonstrated that pathological changes consisting of demyelination and axonal degeneration are mediated by an antibody- and complement-dependent process. To elucidate the mechanisms of antibody penetration from circulation into the endoneurial space, it is further shown that brain microvascular endothelial cells express SGGLs. Moreover it has been found that inflammatory cytokines are capable of upregulating the expression of SGGLs on the endothelial cell surface, resulting in a greater attachment of leukocytes. This latter observation suggests that SGGLs may also participate in cell-mediated responses in certain inflammatory neurological disorders.
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Affiliation(s)
- R K Yu
- Department of Biochemistry and Molecular Biophysics, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond 23298-0614 USA.
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28
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Yuki N, Miyatake T. Guillain-Barré syndrome and Fisher's syndrome following Campylobacter jejuni infection. Ann N Y Acad Sci 1998; 845:330-40. [PMID: 9668366 DOI: 10.1111/j.1749-6632.1998.tb09685.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The patients with Guillain-Barré Syndrome (GBS) subsequent to Campylobacter jejuni enteritis showed axonal degeneration and had IgG anti-GM1 antibody. The most frequently isolated C. jejuni from the patients was specific serotype of Penner's 19 in Japan. In the lipopolysaccharide (LPS) in C. jejuni of this serotype, the same oligosaccharide structure as GM1 ganglioside existed, suggesting the molecular mimicry between GM1 in nervous tissue and C. jejuni LPS. IgG anti-GM1 antibody may bind the nodes of Ranvier and axon terminals and causes degeneration of the motor axon. Some patients develop Fisher's syndrome following C. jejuni infection. C. jejuni strains from the patients who had IgG anti-GQ1b antibody in the acute phase had GQ1b epitope in their LPS, and the molecular mimicry between GQ1b in nervous tissue and an antecedent infectious agent was clarified.
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Affiliation(s)
- N Yuki
- Department of Neurology, Dokkyo University School of Medicine, Tochigi, Japan
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29
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Tagawa Y, Yuki N, Hirata K. Ability to remove immunoglobulins and anti-ganglioside antibodies by plasma exchange, double-filtration plasmapheresis and immunoadsorption. J Neurol Sci 1998; 157:90-5. [PMID: 9600682 DOI: 10.1016/s0022-510x(98)00067-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
In Japan, patients with Guillain-Barré (GBS) and Fisher's (FS) syndromes often receive plasma exchange (PE), double-filtration plasmapheresis (DFPP), or immunoadsorption (IA). To determine whether DFPP and IA are as effective as PE, we compared their abilities to remove immunoglobulins and anti-ganglioside antibodies. Plasma samples were obtained from 55 GBS patients and 53 FS patients, before and after each session of the treatments. PE decreased the IgG concentration more than DFPP did, its abilities to remove anti-ganglioside IgG antibodies in PE markedly being superior to the abilities of the other plasmaphereses. IA on a tryptophan-immobilized column adsorbed anti-ganglioside IgG antibodies more effectively than IA on other affinity columns.
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Affiliation(s)
- Y Tagawa
- Department of Neurology, Dokkyo University School of Medicine, Tochigi, Japan
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30
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Couratier P, Yi FH, Preud'homme JL, Clavelou P, White A, Sindou P, Vallat JM, Jauberteau MO. Serum autoantibodies to neurofilament proteins in sporadic amyotrophic lateral sclerosis. J Neurol Sci 1998; 154:137-45. [PMID: 9562303 DOI: 10.1016/s0022-510x(97)00219-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Anti-neurofilament (NF) autoantibodies were searched for by enzyme-linked immunosorbent assays (ELISA) in the serum from 85 sporadic amyotrophic lateral sclerosis (ALS) patients, 98 healthy controls and 79 patients with unrelated immunological diseases (Guillain-Barré syndrome, myasthenia gravis and multiple sclerosis). ELISA cutoff value was determined as mean control levels +2 SD and it corresponded to a specificity of 94%. Such high level antibodies were detected in 24.7% of ALS patients contrasting with 12.6% of neurological controls (P<0.05) and only 6.1% of healthy subjects (P<5.10[-4]). In ALS, anti-NF antibodies were significantly associated with a slow evolution, as measured by the mean time spent in the initial functional states. They did not relate with age, sex and clinical form. The predominant isotype of the anti-NF antibodies was IgM lambda by ELISA. In contrast to negative sera, indirect immunohistochemical studies demonstrated that most sera positive for anti-NF antibodies reacted with axons with predominant isotypes restricted to IgM lambda. By using Western blotting, small amounts of serum monoclonal IgM were found with a high frequency in anti-NF antibody-positive patients. These results suggest the possible involvement of anti-NF antibodies in an autoimmune process in a subgroup of ALS patients.
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31
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Serological evidence for infection with Campylobacter jejuni/coli in patients with multifocal motor neuropathy. J Clin Neurosci 1998; 5:33-5. [PMID: 18644284 DOI: 10.1016/s0967-5868(98)90198-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/1995] [Accepted: 02/01/1997] [Indexed: 11/23/2022]
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32
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Tagawa Y, Yuki N, Hirata K. Ability to remove immunoglobulins and antiganglioside antibodies by double filtration plasmapheresis in Guillain-Barré syndrome: is it equivalent to plasma exchange? THERAPEUTIC APHERESIS : OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY FOR APHERESIS AND THE JAPANESE SOCIETY FOR APHERESIS 1997; 1:336-9. [PMID: 10225726 DOI: 10.1111/j.1744-9987.1997.tb00050.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
The value of plasma exchange (PE) in Guillain-Barré syndrome (GBS) is well established. In Japan, patients with GBS and related diseases often receive double filtration plasmapheresis (DFPP) as well as PE. No comparative trials between PE and DFPP, however, have been conducted. We compared their abilities to remove immunoglobulins and antiganglioside antibodies to find out whether DFPP is equivalent to PE. The ability to remove immunoglobulins and antiganglioside antibodies was compared between PE and DFPP using plasma samples from 41 patients with GBS and related diseases before and after each treatment session. The ability of DFPP to remove both IgGs and antiganglioside IgG antibodies were significantly inferior to those of PE. There is a less theoretical basis for selecting DFPP as the first choice of plasmapheresis for GBS and related disorders.
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Affiliation(s)
- Y Tagawa
- Department of Neurology, Dokkyo University School of Medicine, Tochigi, Japan
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33
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Bech E, Orntoft TF, Andersen LP, Skinhøj P, Jakobsen J. IgM anti-GM1 antibodies in the Guillain-Barré syndrome: a serological predictor of the clinical course. J Neuroimmunol 1997; 72:59-66. [PMID: 9003245 DOI: 10.1016/s0165-5728(96)00145-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
It has been suggested that antibodies against GM1 are involved in the pathogenesis of the Guillain-Barré syndrome (GBS). Recently, we have developed a standardized ELISA assay for anti-GM1 antibodies of IgM type well-suited for longitudinal patient studies. The relationship between serum antibodies against GM1 and Campylobacter jejuni was investigated in patients with GBS and in patients with C. jejuni infection. Patients with a short-lasting anti-GM1 elevation had a fast recovery, whereas patients with slow recovery had a long-lasting anti-GM1 elevation. A linear relationship was found between significant clinical recovery and the time until the anti-GM1 peak was halved (R = 0.9, p < 0.01). The absolute level of anti-GM1 did not predict the length of the recovery nor was the level of anti-GM1 related to the clinical disability at its nadir. Our data indicate that monitoring of the IgM anti-GM1 level can predict clinical recovery in GBS patients.
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Affiliation(s)
- E Bech
- Department of Neurology, Aarhus University Hospital, Denmark
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34
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Moran AP, Prendergast MM, Appelmelk BJ. Molecular mimicry of host structures by bacterial lipopolysaccharides and its contribution to disease. FEMS IMMUNOLOGY AND MEDICAL MICROBIOLOGY 1996; 16:105-15. [PMID: 8988391 DOI: 10.1111/j.1574-695x.1996.tb00127.x] [Citation(s) in RCA: 205] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The core oligosaccharides of low-molecular-weight lipopolysaccharide (LPS), also termed lipooligosaccharide (LOS), of pathogenic Neisseria spp. mimic the carbohydrate moieties of glycosphingolipids present on human cells. Such mimicry may serve to camouflage the bacterial surface from the host. The LOS component is antigenically and/or chemically identical to lactoneoseries glycosphingolipids and can become sialylated in Neisseria gonorrhoeae when the bacterium is grown in the presence of cytidine 5'-monophospho-N-acetylneuraminic acid, the nucleotide sugar of sialic acid. Strains of Neisseria meningitidis and Haemophilus influenzae also express similarly sialylated LPS. Sialylation of the LOS influences susceptibility to bactericidal antibody, may decrease or prevent phagocytosis, cause down-regulation of complement activation, and decrease adherence to neutrophils and the subsequent oxidative burst response. The core oligosaccharides of LPS of Campylobacter jejuni serotypes which are associated with the development of the neurological disorder, Guillain-Barré syndrome (GBS), exhibit mimicry of gangliosides. Cross-reactive antibodies between C. jejuni LPS and gangliosides are considered to play an important role in GBS pathogenesis. In contrast, the O-chain of a number of Helicobacter pylori strains exhibit mimicry of Lewis(x) and Lewis(y) blood group antigens. The role of this mimicry remains to be investigated, but may play a role in bacterial camouflage, the induction of autoimmunity and immune suppression in H. pylori-associated disease.
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Affiliation(s)
- A P Moran
- Department of Microbiology, University College, Galway, Ireland.
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35
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Yuki N, Taki T, Handa S. Antibody to GalNAc-GD1a and GalNAc-GM1b in Guillain-Barré syndrome subsequent to Campylobacter jejuni enteritis. J Neuroimmunol 1996; 71:155-61. [PMID: 8982115 DOI: 10.1016/s0165-5728(96)00142-7] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
N-Acetylgalactosaminyl GD1a (GalNAc-GD1a) is a proposed target molecule for serum antibody in some patients with Guillain-Barré syndrome (GBS) (Kusunoki et al., 1994). We examined autoantibody to GalNAc-GD1a in sera from 58 GBS patients. Eight GBS patients had high IgG anti-GalNAc-GD1a antibody titers, 3 of whom also had high IgM anti-GalNAc-GD1a antibody titers. These 8 patients had experienced gastrointestinal infection before the onset of their neurological symptoms. Campylobacter jejuni was isolated from 4 of them. An absorption test indicated the presence of the GalNAc-GD1a epitope in lipopolysaccharides of C. jejuni. Sera that had anti-GalNAc-GD1a antibody reacted with several acidic glycolipids in bovine peripheral nerve, one of which was identified as N-acetylgalactosaminyl GM1b (GalNAc-GM1b). Serum binding to GalNAc-GM1b was decreased by absorption with GalNAc-GD1a. The presence of GalNAc-GM1b as well as GalNAc-GD1a has been reported in human peripheral nerves. We assume that C. jejuni, which bears the [GalNAc beta 1-4 (NeuAc alpha 2-3) Gal beta 1-3 GalNAc beta 1-] epitope, is the immunogen and that the glycoconjugates with the epitope are target molecules for the autoantibody in peripheral nerves of some GBS patients.
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Affiliation(s)
- N Yuki
- Department of Biochemistry, Faculty of Medicine, Tokyo Medical and Dental University, Japan.
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36
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Yuki N, Tagawa Y, Handa S. Autoantibodies to peripheral nerve glycosphingolipids SPG, SLPG, and SGPG in Guillain-Barré syndrome and chronic inflammatory demyelinating polyneuropathy. J Neuroimmunol 1996; 70:1-6. [PMID: 8862128 DOI: 10.1016/s0165-5728(96)00042-2] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Unlike CNS myelin, human peripheral nerve myelin has the acidic glycosphingolipids sialosyl paragloboside (SPG), sialosyl lactosaminyl paragloboside (SLPG), and sulfated glucuronyl paragloboside (SGPG). To elucidate the pathogenesis of Guillain-Barré syndrome (GBS) and chronic inflammatory demyelinating neuropathy (CIDP), we investigated the autoantibodies to peripheral nerve molecules in patients with these diseases and compared the frequency of the autoantibodies with that of autoantibody to GM1 which is present in both the CNS and PNS. The report of Sheikh et al. (Ann. Neurol. 1995; 38: 350) that Campylobacter jejuni bears the SGPG epitope led us to study whether sera from patients with GBS subsequent to C. jejuni enteritis have anti-SGPG antibody; but, high anti-SGPG antibody titers were not found in the GBS patients from whom C. jejuni was isolated. Although the frequency of the anti-SPG, anti-SLPG and anti-SGPG antibodies were lower than that of the anti-GM1 antibody in GBS, 5 patients with demyelinating GBS had high IgG anti-SPG antibody titers. IgG anti-SPG antibody may function in the development of demyelinating GBS. We found that 6 CIDP patients had elevated IgM anti-SGPG antibody titers. Immunoelectrophoresis failed to detect IgM M-protein in 3 of the patients. IgM anti-SGPG antibody could be a diagnostic marker for a subgroup of CIDP with or without paraprotein.
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Affiliation(s)
- N Yuki
- Department of Biochemistry, Faculty of Medicine, Tokyo Medical and Dental University, Japan.
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37
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Abstract
Autoantibodies to Gal(beta 1-3)GalNAc epitopes on glycolipids and glycoproteins are associated with motor neuron disease and motor or sensorimotor neuropathy. These epitopes are ubiquitously distributed on cell surfaces. In the nervous system they are present on axons and myelin, specifically also at the nodes of Ranvier. Binding of GM1 antibodies to the nodal area may contribute to disease development in some of these conditions.
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Affiliation(s)
- F P Thomas
- Department of Neurology, St. Louis University, Missouri 63110-2592, USA
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38
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Irie S, Saito T, Nakamura K, Kanazawa N, Ogino M, Nukazawa T, Ito H, Tamai Y, Kowa H. Association of anti-GM2 antibodies in Guillain-Barré syndrome with acute cytomegalovirus infection. J Neuroimmunol 1996; 68:19-26. [PMID: 8784256 DOI: 10.1016/0165-5728(96)00059-8] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
We examined serum anti-cytomegalovirus (CMV) and anti-ganglioside antibodies by ELISA in 51 patients with Guillain-Barré syndrome (GBS), and titers were compared with those from 47 normal and 74 disease controls. Three GBS patients with IgM anti-CMV antibodies had high titers of IgM and IgG anti-GM2 antibodies. The other GBS patients without IgM anti-CMV antibodies, and the normal and disease controls except one of 6 non-GBS patients with acute CMV infections had no anti-GM2 antibodies. The titers of anti-GM2 antibodies decreased on absorption with CMV-infected cells. These findings suggest that anti-GM2 antibodies are associated with acute CMV infections in GBS patients.
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Affiliation(s)
- S Irie
- Department of Neurology, Kitasato University East Hospital, Kanagawa, Japan
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Boutin SR, Shen Z, Rogers AB, Feng Y, Ge Z, Xu S, Sterzenbach T, Josenhans C, Schauer DB, Suerbaum S, Fox JG. Chronic proliferative hepatitis in A/JCr mice associated with persistent Helicobacter hepaticus infection: a model of helicobacter-induced carcinogenesis. Infect Immun 1996; 73:8449-52. [PMID: 16299349 PMCID: PMC1307073 DOI: 10.1128/iai.73.12.8449-8452.2005] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Helicobacter hepaticus causes hepatitis in selected strains of mice and in A/JCr mice is linked to liver cancer. To analyze whether H. hepaticus persists in specified ecological niches, to determine whether biomarkers of infection exist, and to analyze the influence of H. hepaticus on hepatocyte proliferation, a longitudinal study of H. hepaticus-infected A/JCr mice was undertaken. A/JCr mice were serially euthanatized from 3 through 18 months and surveyed by enzyme-linked immunosorbent assay; bacterial culture of liver, colon, and cecum; histology; electron microscopy; hepatocyte proliferation indices determined by using 5-bromo-2'-deoxyuridine; and measurement of the liver enzyme alanine aminotransferase. In infected animals throughout the 18-month study, H. hepaticus was consistently isolated from the lower bowel but only sporadically from the liver. By electron microscopy, H. hepaticus was noted infrequently and only in bile canaliculi. Infected mice, particularly males, showed chronic inflammation; oval cell, Kupffer cell, and Ito cell hyperplasia; hepatocytomegaly; and bile duct proliferation. The inflammatory and necrotizing lesion was progressive and involved the hepatic parenchyma, portal triads, and intralobular venules. Hepatic adenomas were noted only in male mice, whereas 5-bromo-2'-deoxyuridine proliferation indices were markedly increased in both sexes, but especially in males, compared to control A/J mice. Infected mice also developed sustained anti-H. hepaticus serum immunoglobulin G antibody responses and elevated alanine aminotransferase levels. H. hepaticus, which persists in the lower bowels and livers of A/JCr mice, is associated with a chronic proliferative hepatitis, and hepatomas in selected male mice indicate that this novel bacterium may cause an increased risk of hepatic cancer induction in susceptible strains of mice. This murine model should prove useful in dissecting the molecular events operable in the development of neoplasms induced by bacteria belonging to this expanding genera of pathogenic Helicobacter species.
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Affiliation(s)
- Samuel R Boutin
- Division of Comparative Medicine, Massachusetts Institute of Technology, 77 Massachusetts Avenue, 16-825C, Cambridge, MA 02139, USA
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Fox JG, Li X, Yan L, Cahill RJ, Hurley R, Lewis R, Murphy JC. Chronic proliferative hepatitis in A/JCr mice associated with persistent Helicobacter hepaticus infection: a model of helicobacter-induced carcinogenesis. Infect Immun 1996; 64:1548-58. [PMID: 8613359 PMCID: PMC173960 DOI: 10.1128/iai.64.5.1548-1558.1996] [Citation(s) in RCA: 180] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Helicobacter hepaticus causes hepatitis in selected strains of mice and in A/JCr mice is linked to liver cancer. To analyze whether H. hepaticus persists in specified ecological niches, to determine whether biomarkers of infection exist, and to analyze the influence of H. hepaticus on hepatocyte proliferation, a longitudinal study of H. hepaticus-infected A/JCr mice was undertaken. A/JCr mice were serially euthanatized from 3 through 18 months and surveyed by enzyme-linked immunosorbent assay; bacterial culture of liver, colon, and cecum; histology; electron microscopy; hepatocyte proliferation indices determined by using 5-bromo-2'-deoxyuridine; and measurement of the liver enzyme alanine aminotransferase. In infected animals throughout the 18-month study, H. hepaticus was consistently isolated from the lower bowel but only sporadically from the liver. By electron microscopy, H. hepaticus was noted infrequently and only in bile canaliculi. Infected mice, particularly males, showed chronic inflammation; oval cell, Kupffer cell, and Ito cell hyperplasia; hepatocytomegaly; and bile duct proliferation. The inflammatory and necrotizing lesion was progressive and involved the hepatic parenchyma, portal triads, and intralobular venules. Hepatic adenomas were noted only in male mice, whereas 5-bromo-2'-deoxyuridine proliferation indices were markedly increased in both sexes, but especially in males, compared to control A/J mice. Infected mice also developed sustained anti-H. hepaticus serum immunoglobulin G antibody responses and elevated alanine aminotransferase levels. H. hepaticus, which persists in the lower bowels and livers of A/JCr mice, is associated with a chronic proliferative hepatitis, and hepatomas in selected male mice indicate that this novel bacterium may cause an increased risk of hepatic cancer induction in susceptible strains of mice. This murine model should prove useful in dissecting the molecular events operable in the development of neoplasms induced by bacteria belonging to this expanding genera of pathogenic Helicobacter species.
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Affiliation(s)
- J G Fox
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, USA
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Willison HJ, O'Hanlon GM, Paterson G, Veitch J, Wilson G, Roberts M, Tang T, Vincent A. A somatically mutated human antiganglioside IgM antibody that induces experimental neuropathy in mice is encoded by the variable region heavy chain gene, V1-18. J Clin Invest 1996; 97:1155-64. [PMID: 8636426 PMCID: PMC507167 DOI: 10.1172/jci118529] [Citation(s) in RCA: 77] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
IgM paraproteins associated with autoimmune peripheral neuropathy and anti-Pr cold agglutinins react with sialic acid epitopes present on disialylated gangliosides including GD1b, GT1b, GQ1b, and GD3. A causal relationship between the paraprotein and the neuropathy has never been proven experimentally. From peripheral blood B cells of an affected patient, we have cloned a human hybridoma secreting an antidisialosyl IgM mAb, termed Ha1, that shows identical structural and functional characteristics to its serum counterpart. Variable region analysis shows Ha1 is encoded by the same VH1 family heavy chain gene, V1-18, as the only other known anti-Pr antibody sequence and is somatically mutated, suggesting that it [correction of is] arose in vivo in response to antigenic stimulation. In the rodent peripheral nervous system, Ha1 immunolocalizes to dorsal root ganglia, motor nerve terminals, muscle spindles, myelinated axons, and nodes of Ranvier. After intraperitoneal injection of affinity-purified antibody into mice for 10 d, electrophysiological recordings from the phrenic nerve-hemidiaphragm preparation demonstrated impairment of nerve excitability and a reduction in quantal release of neurotransmitter. These data unequivocally establish that an antidisialosyl antibody can exert pathophysiological effects on the peripheral nervous system and strongly support the view that the antibody contributes to the associated human disease.
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Affiliation(s)
- H J Willison
- Department of Neurology, University of Glasgow, Institute of Neurological Sciences, United Kingdom
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Rees JH, Gregson NA, Hughes RA. Anti-ganglioside GM1 antibodies in Guillain-Barré syndrome and their relationship to Campylobacter jejuni infection. Ann Neurol 1995; 38:809-16. [PMID: 7486873 DOI: 10.1002/ana.410380516] [Citation(s) in RCA: 192] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
To clarify the association between Campylobacter jejuni (Cj) infection and antibodies to ganglioside GM1 (anti-GM1) in Guillain-Barré syndrome (GBS), we have carried out a prospective case-control study of 96 patients with GBS. Cj infection occurred in 25 (26%) patients. IgG and/or IgM anti-GM1 were identified in 24 (25%) patients and in 1 of 71 (1.4%) household controls (p < 0.001). Thirteen of the 25 (52%) Cj-positive patients had anti-GM1 compared with 11 of the 71 (15%) Cj-negative patients (p < 0.001). Neither the peak overall disability nor the 1-year disability differed between the anti-GM1-positive and anti-GM1-negative patients. However, patients with the combination of Cj infection and anti-GM1 positivity recovered more slowly than Cj/anti-GM1-negative patients (p = 0.05), were more likely to have axonal degeneration, and were significantly more disabled at the end of 1 year (p = 0.02). The presence of Cj infection is more important than anti-GM1 positivity in determining the extent of axonal involvement and, hence, prognosis. Since the presence of anti-GM1 is not a significant poor-prognostic factor, a search should be made for other properties of Cj infection that would account for its relationship to axonal degeneration.
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Affiliation(s)
- J H Rees
- Department of Neurology, UMDS, Guy's Hospital, London, England
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Garcia-Monco JC, Seidman RJ, Benach JL. Experimental immunization with Borrelia burgdorferi induces development of antibodies to gangliosides. Infect Immun 1995; 63:4130-7. [PMID: 7558329 PMCID: PMC173580 DOI: 10.1128/iai.63.10.4130-4137.1995] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Patients with neuroborreliosis produce antibodies, mostly of the immunoglobulin M (IgM) class, to gangliosides, particularly to those with Gal(beta 1-3)GalNac terminal sequences. Lewis rats were immunized with a nonpathogenic strain of Borrelia burgdorferi and with a chloroform-methanol extract (nonprotein) of this organism (CM) to determine whether antibodies to B. burgdorferi also recognized gangliosides. Rats were also immunized with asialo-GM1 to determine whether the elicited antibodies recognized antigens in B. burgdorferi. Rats immunized with B. burgdorferi produced low levels of IgM antibodies that cross-reacted with asialo-GM1 and GM1. Rats immunized with CM had marked IgM reactivity to asialo-GM1 and GM1. Immunization with asialo-GM1 resulted in antibodies that cross-reacted with B. burgdorferi antigens. Although antibodies to B. burgdorferi were of both the IgM and IgG classes, those to CM and to asialo-GM1 and GM1 were predominantly in the IgM fraction. Reactivity of the IgM antibodies decreased after adsorption with the heterologous and the homologous antigens, indicating bidirectional cross-reactivity between CM, asialo-GM1, and GM1 and that immunization with one produces antibodies to the other. There was no in vivo deposition of Ig in peripheral nerves, nor was there nerve pathology as a result of immunizations, but IgM antibodies to asialo-GM1 and CM recognized homologous antigens in the nodes of Ranvier of peripheral nerves from nonimmunized rats. This immunization model suggests that antibodies to gangliosides in Lyme disease have a microbial origin and are potentially relevant in pathogenesis.
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Oomes PG, Jacobs BC, Hazenberg MP, Bänffer JR, van der Meché FG. Anti-GM1 IgG antibodies and Campylobacter bacteria in Guillain-Barré syndrome: evidence of molecular mimicry. Ann Neurol 1995; 38:170-5. [PMID: 7654064 DOI: 10.1002/ana.410380208] [Citation(s) in RCA: 88] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
In Guillain-Barré syndrome antibodies to GM1 and the presence of an antecedent Campylobacter jejuni infection are correlated with a more severe course of the disease. From a group of 137 consecutive GBS patients, 11 sera had elevated titers of anti-GM1 IgG antibodies during the acute stage of disease. Each serum sample was preincubated with three different Penner serotypes of whole C. jejuni (PEN O:4/59, PEN O:41) and Campylobacter coli (PEN O:22) bacteria. The PEN O:4/59 serotype, isolated from the stools of a Guillain-Barré syndrome patient, inhibited 63 to 93% of the anti-GM1 activity in 6 of 11 patients. The PEN O:41 inhibited 63 to 100% of the anti-GM1 antibody activity in 9 of 11 patients. The PEN O:22 inhibited anti-GM1 antibody activity in only 2 of 11 patients (80 and 86%). Two Guillain-Barré syndrome patients did not show antibody absorption by any of the Campylobacter serotypes tested, although this does not exclude the involvement of other serotypes. An Escherichia coli control strain did not significantly absorb anti-GM1 antibodies. The results of this study indicate that anti-GM1 IgG antibodies in Guillain-Barré syndrome sera recognize surface epitopes on whole Campylobacter bacteria and that this recognition is strain-specific. This provides evidence for molecular mimicry in the pathogenesis of Guillain-Barré syndrome.
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Affiliation(s)
- P G Oomes
- Department of Neurology, University Hospital Dijkzigt, Rotterdam, The Netherlands
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Wirguin I, Rosoklija G, Trojaborg W, Hays AP, Latov N. Axonal degeneration accompanied by conduction block induced by toxin mediated immune reactivity to GM1 ganglioside in rat nerves. J Neurol Sci 1995; 130:17-21. [PMID: 7650526 DOI: 10.1016/0022-510x(94)00270-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Immune mechanisms have been implicated in the pathogenesis of motor neuropathy with conduction blocks and of acute axonal neuropathy, and GM1 ganglioside has been identified as a potential target antigen. In these experiments, the B subunit of cholera toxin (CT-B), which binds to GM1, was used to target an antibody response to GM1 in peripheral nerve. CT-B was injected into the sciatic nerves of rats, in which anti-CT antibodies were previously induced by immunization, so that the circulating anti-CT-B antibodies bound to the CT-B-GM1 complex in the nerve. Electrophysiological studies revealed the presence of conduction block, and in pathological studies there was axonal degeneration with little demyelination. Control animals, in which keyhole limpet hemocyanin was substituted for CT, did not develop conduction block or axonal degeneration. These studies indicate that antibodies directed at GM1 sites in peripheral nerve could cause an axonal neuropathy with conduction block.
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Affiliation(s)
- I Wirguin
- Department of Neurology, College of Physicians and Surgeons of Columbia University, New York, NY 10032, USA
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Latov N. Pathogenesis and therapy of neuropathies associated with monoclonal gammopathies. Ann Neurol 1995; 37 Suppl 1:S32-42. [PMID: 8968215 DOI: 10.1002/ana.410370705] [Citation(s) in RCA: 128] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Approximately 10% of patients with peripheral neuropathy of otherwise unknown etiology have an associated monoclonal gammopathy. Both the neuropathies and the monoclonal gammopathies in these patients are heterogeneous, but several distinct clinical syndromes that may respond to specific therapies can be recognized. It is important to recognize these syndromes because monoclonal gammopathies also occur in 1% of the normal adult population, and in some cases, monoclonal gammopathies are coincidental and unrelated to the neuropathy. In patients with IgM monoclonal gammopathies, IgM M proteins frequently have autoantibody activity and are implicated in the pathogenesis of the neuropathy. IgM M proteins that bind to myelin-associated glycoprotein (MAG) have been shown to cause demyelinating peripheral neuropathy; anti-GM1 antibody activity is associated with predominantly motor neuropathy, and anti-sulfatide or chondroitin sulfate antibodies are associated with sensory neuropathy. The IgM monoclonal gammopathies may be malignant or nonmalignant, and polyclonal antibodies with the same specificities are associated with similar clinical presentations in the absence of monoclonal gammopathy. IgG or IgA monoclonal gammopathies are associated with neuropathy in patients with osteosclerotic myeloma or the POEMS syndrome (polyneuropathy, organomegaly, endocrinopathy myeloma, and skin changes). Amyloidosis or cryoglobulinemic neuropathies can occur with either IgM or IgG and IgA monoclonal gammopathies. Therapeutic intervention depends on the specific clinical syndrome but is generally directed at removing the autoantibodies, reducing the number of monoclonal B cells, and interfering with the effector mechanisms.
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Affiliation(s)
- N Latov
- Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
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Jacobs BC, Endtz H, van der Meché FG, Hazenberg MP, Achtereekte HA, van Doorn PA. Serum anti-GQ1b IgG antibodies recognize surface epitopes on Campylobacter jejuni from patients with Miller Fisher syndrome. Ann Neurol 1995; 37:260-4. [PMID: 7531419 DOI: 10.1002/ana.410370218] [Citation(s) in RCA: 113] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Three patients who had diarrhea prior to the development of Miller Fisher syndrome are presented. Campylobacter jejuni was isolated from stool specimens from all patients. High titers of anti-GQ1b IgG antibodies were demonstrated in the serum of these patients by enzyme-linked immunosorbent assay and thin-layer chromatography overlay. In enzyme-linked immunosorbent assay inhibition studies the anti-GQ1b IgG antibodies bound specifically to whole bacteria of the Miller Fisher syndrome-associated C. jejuni strains. The presence of anti-GQ1b IgG binding epitopes on the surface of the C. jejuni from the patients was not exclusively associated with a specific Penner serotype. It is suggested that anti-GQ1b antibodies are formed during the initial infection that elicits Miller Fisher syndrome. The cross-reactivity of anti-GQ1b IgG antibodies with surface epitopes on Miller Fisher syndrome-associated C. jejuni strains supports the hypothesis of molecular mimicry between bacteria and neural tissue.
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Affiliation(s)
- B C Jacobs
- Department of Neurology, University Hospital Dijkzigt, The Netherlands
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