title: Autoantibodies to tetraspanins (CD9, CD81 and CD82) in demyelinating diseases.
abstract: Tetraspanin family proteins, CD9, CD81 and CD82 are expressed in the oligodendrocytes and Schwann cells. We investigated autoantibodies to tetraspanin proteins in patients with demyelinating diseases. Sera were collected from 119 multiple sclerosis patients, 19 neuromyelitis optica, 42 acute inflammatory demyelinating polyneuropathy, 23 chronic inflammatory demyelinating polyneuropathy and 13 acute motor axonal neuropathy as well as 55 healthy controls. Few multiple sclerosis and acute inflammatory demyelinating polyneuropathy patients had autoantibodies that were weakly reactive to CD9 or CD81 but the significance is unclear. It is unlikely that these autoantibodies are pathogenic or serve as potential biomarkers in demyelinating diseases.
authors: Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
authors: Kazuki
authors: K
authors: Miyaji
authors: NeuroCure Clinical Research and Clinical and Experimental Multiple Sclerosis Research Center, Department of Neurology, Charité University Medicine, Berlin, Germany.
authors: Friedemann
authors: F
authors: Paul
authors: Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
authors: Nortina
authors: N
authors: Shahrizaila
authors: Department of Neurology, National Neuroscience Institute, Singapore.
authors: Thirugnanam
authors: T
authors: Umapathi
authors: Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore. Electronic address: gbs.yuki.cidp@gmail.com.
authors: Nobuhiro
authors: N
authors: Yuki
mesh_terms: D015703:Antigens, CD / Q000276:immunology*; D001323:Autoantibodies / Q000097:blood*; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D006801:Humans; D051861:Kangai-1 Protein / Q000276:immunology; D008297:Male; D009103:Multiple Sclerosis / Q000097:blood*; D009471:Neuromyelitis Optica / Q000097:blood*; D060225:Tetraspanin 28 / Q000276:immunology; D060245:Tetraspanin 29 / Q000276:immunology; D059470:Tetraspanins / Q000276:immunology*
chemical_list: D015703:Antigens, CD; D001323:Autoantibodies; D051861:Kangai-1 Protein; D060225:Tetraspanin 28; D060245:Tetraspanin 29; D059470:Tetraspanins
keywords: Acute inflammatory demyelinating polyneuropathies; Chronic inflammatory demyelinating polyneuropathies; Multiple sclerosis; Tetraspanin