Identification of double-stranded DNA in the cerebrospinal fluid of patients with acute neuromyelitis optica spectrum disorder

Mamoru Yamamoto, Tatsusada Okuno*, Jin Lan Piao, Mikito Shimizu, Katsuichi Miyamoto, Takamasa Nukui, Makoto Kinoshita, Toru Koda, Ratna Dini Haryuni, Hideki Mochizuki, Tomoyuki Sugimoto, Yuji Nakatsuji

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Neuromyelitis optica spectrum disorder (NMOSD) is an inflammatory disease of the central nervous system (CNS) characterized by severe myelitis and optic neuritis. Double-stranded DNA (dsDNA) is involved in the pathogenesis of various autoimmune diseases, such as systemic lupus erythematosus. However, its role in NMOSD remains unclear. In this study, the concentration of dsDNA in the cerebrospinal fluid (CSF) was quantified in 23 patients with NMOSD and 16 patients with other neurological diseases (ONDs). CSF dsDNA levels in patients with NMOSD (median: 0.03 ng/µL) were significantly higher than those in patients with ONDs (median: 0.01 ng/μl). CSF dsDNA levels showed no significant difference before and after treatment. Elevation of CSF dsDNA levels may suggest its essential role in the augmentation of CNS inflammation in patients with NMOSD.

Original languageEnglish
Pages (from-to)129-132
Number of pages4
JournalJournal of Clinical Neuroscience
Volume107
DOIs
StatePublished - 2023/01

Keywords

  • CSF
  • NMOSD
  • dsDNA

ASJC Scopus subject areas

  • Surgery
  • Neurology
  • Clinical Neurology
  • Physiology (medical)

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