ELectron microscopic abnormality and therapeutic efficacy in chronic inflammatory demyelinating polyneuropathy with anti-neurofascin155 immunoglobulin G4 antibody

Motoi Kuwahara, Hidekazu Suzuki, Nobuyuki Oka, Hidenori Ogata, Satoshi Yanagimoto, Shuji Sadakane, Yuta Fukumoto, Masaki Yamana, Yoshiko Yuhara, Keisuke Yoshikawa, Miyuki Morikawa, Shigeru Kawai, Masahiro Okazaki, Toru Tsujimoto, Jun Ichi Kira, Susumu Kusunoki

Research output: Contribution to journalArticle

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Abstract

Introduction: Neurofascin155 (NF155) is a target antigen for autoantibodies in a subset of chronic inflammatory demyelinating polyneuropathy (CIDP). Methods: We report the cases of 4 patients with anti-NF155 immunoglobulin G4 (IgG4) antibody-positive CIDP who underwent sural nerve biopsies. Results: All patients were relatively young at onset. Three patients experienced tremors, and 2 patients had severe ataxia. Although the response to intravenous immunoglobulin was poor in all patients, plasma exchange and corticosteroids were at least partially effective. Immunoadsorption plasmapheresis was performed in 1 patient but was ineffective. Electron microscopic examination of sural nerve biopsies revealed loss of paranodal transverse bands in all patients. Discussion: Anti-NF155 IgG4 antibody-positive CIDP shows distinctive clinicopathological features, indicating that the IgG4 antibody is directly associated with the pathogenic mechanisms of anti-NF155 IgG4 antibody-positive CIDP. Muscle Nerve 57: 498–502, 2018.

Original languageEnglish
Pages (from-to)498-502
Number of pages5
JournalMuscle and Nerve
Volume57
Issue number3
DOIs
Publication statusPublished - Mar 2018

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Chronic Inflammatory Demyelinating Polyradiculoneuropathy
Immunoglobulins
Electrons
Antibodies
Sural Nerve
Therapeutics
Biopsy
Plasma Exchange
Plasmapheresis
Intravenous Immunoglobulins
Tremor
Ataxia
Autoantibodies
Adrenal Cortex Hormones
Antigens
Muscles

All Science Journal Classification (ASJC) codes

  • Physiology
  • Clinical Neurology
  • Cellular and Molecular Neuroscience
  • Physiology (medical)

Cite this

ELectron microscopic abnormality and therapeutic efficacy in chronic inflammatory demyelinating polyneuropathy with anti-neurofascin155 immunoglobulin G4 antibody. / Kuwahara, Motoi; Suzuki, Hidekazu; Oka, Nobuyuki; Ogata, Hidenori; Yanagimoto, Satoshi; Sadakane, Shuji; Fukumoto, Yuta; Yamana, Masaki; Yuhara, Yoshiko; Yoshikawa, Keisuke; Morikawa, Miyuki; Kawai, Shigeru; Okazaki, Masahiro; Tsujimoto, Toru; Kira, Jun Ichi; Kusunoki, Susumu.

In: Muscle and Nerve, Vol. 57, No. 3, 03.2018, p. 498-502.

Research output: Contribution to journalArticle

Kuwahara, M, Suzuki, H, Oka, N, Ogata, H, Yanagimoto, S, Sadakane, S, Fukumoto, Y, Yamana, M, Yuhara, Y, Yoshikawa, K, Morikawa, M, Kawai, S, Okazaki, M, Tsujimoto, T, Kira, JI & Kusunoki, S 2018, 'ELectron microscopic abnormality and therapeutic efficacy in chronic inflammatory demyelinating polyneuropathy with anti-neurofascin155 immunoglobulin G4 antibody', Muscle and Nerve, vol. 57, no. 3, pp. 498-502. https://doi.org/10.1002/mus.25757
Kuwahara, Motoi ; Suzuki, Hidekazu ; Oka, Nobuyuki ; Ogata, Hidenori ; Yanagimoto, Satoshi ; Sadakane, Shuji ; Fukumoto, Yuta ; Yamana, Masaki ; Yuhara, Yoshiko ; Yoshikawa, Keisuke ; Morikawa, Miyuki ; Kawai, Shigeru ; Okazaki, Masahiro ; Tsujimoto, Toru ; Kira, Jun Ichi ; Kusunoki, Susumu. / ELectron microscopic abnormality and therapeutic efficacy in chronic inflammatory demyelinating polyneuropathy with anti-neurofascin155 immunoglobulin G4 antibody. In: Muscle and Nerve. 2018 ; Vol. 57, No. 3. pp. 498-502.
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