Copper chaperone for superoxide dismutase co-aggregates with superoxide dismutase 1 (SOD1) in neuronal Lewy body-like hyaline inclusions: An immunohistochemical study on familial amyotrophic lateral sclerosis with SOD1 gene mutation

Shinsuke Kato, Hisae Sumi-Akamaru, Harutoshi Fujimura, Saburo Sakoda, Masako Kato, Asao Hirano, Miki Takikawa, Eisaku Ohama

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

The copper chaperone for superoxide dismutase (CCS) interacts with Cu/Zn-binding superoxide dismutase 1 (SOD1) specifically and delivers copper to SOD1. To determine the role of the CCS-SOD1 interaction in the pathogenesis of SOD1-mutated familial amyotrophic lateral sclerosis (FALS) patients, we produced an affinity-purified rabbit antibody against CCS and investigated the immunohistochemical localization of both CCS and SOD1 in neuronal Lewy body-like hyaline inclusions (LBHIs) in the spinal cords of two FALS patients with a two-base pair deletion at codon 126 in the SOD1 gene and three FALS patients with an Ala to Val substitution at codon 4. The LBHIs in anterior horn cells from the five FALS patients showed identical immunoreactivities for CCS: the reaction product deposits with the antibody against CCS were generally restricted to the periphery of the core and halo-type LBHIs. The localizations of the immunoreactivities for CCS and SOD1 were similar in the inclusions: both CCS and SOD1 colocalized in neuronal LBHIs in the five mutant SOD1-linked FALS patients. Our results suggest that the specific interaction and aggregation of CCS-SOD1 (probably CCS-mutant SOD1) in SOD1-mutated FALS patients may amplify the formation of inclusions and emphasize a more marked mutant SOD1-mediated toxicity.

Original languageEnglish (US)
Pages (from-to)233-238
Number of pages6
JournalActa Neuropathologica
Volume102
Issue number3
StatePublished - 2001

Fingerprint

Lewy Bodies
Hyalin
Superoxide Dismutase
Copper
Mutation
Genes
Codon
Amyotrophic lateral sclerosis 1
Superoxide Dismutase-1
Anterior Horn Cells
Antibodies
Base Pairing

Keywords

  • Copper chaperone for superoxide dismutase
  • Familial amyotrophic lateral sclerosis
  • Immunohistochemistry
  • Lewy body-like hyaline inclusion
  • Superoxide dismutase 1

ASJC Scopus subject areas

  • Clinical Neurology
  • Pathology and Forensic Medicine
  • Neuroscience(all)

Cite this

Copper chaperone for superoxide dismutase co-aggregates with superoxide dismutase 1 (SOD1) in neuronal Lewy body-like hyaline inclusions : An immunohistochemical study on familial amyotrophic lateral sclerosis with SOD1 gene mutation. / Kato, Shinsuke; Sumi-Akamaru, Hisae; Fujimura, Harutoshi; Sakoda, Saburo; Kato, Masako; Hirano, Asao; Takikawa, Miki; Ohama, Eisaku.

In: Acta Neuropathologica, Vol. 102, No. 3, 2001, p. 233-238.

Research output: Contribution to journalArticle

Kato, Shinsuke ; Sumi-Akamaru, Hisae ; Fujimura, Harutoshi ; Sakoda, Saburo ; Kato, Masako ; Hirano, Asao ; Takikawa, Miki ; Ohama, Eisaku. / Copper chaperone for superoxide dismutase co-aggregates with superoxide dismutase 1 (SOD1) in neuronal Lewy body-like hyaline inclusions : An immunohistochemical study on familial amyotrophic lateral sclerosis with SOD1 gene mutation. In: Acta Neuropathologica. 2001 ; Vol. 102, No. 3. pp. 233-238.
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