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Updated: Jan 23, 2026

A Simple Cell-based Immunofluorescence Assay to Detect Autoantibody Against the N-Methyl-D-Aspartate NMDA Receptor in Blood
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Anti-N-Methyl-D-Aspartate Receptor Encephalitis in Psychiatry

Shinji Sakamoto1, Hiroki Kawai, Yuko Okahisa

  • 1Department of Neuropsychiatry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan.shinjisakamoto1202@gmail.com.

Acta Medica Okayama
|June 26, 2019
PubMed

Insights

Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is an autoimmune disorder where brain antibodies target NMDAR. Recognizing its psychiatric symptoms is crucial for accurate diagnosis and treatment.

Area of Science:

  • Neurology
  • Immunology
  • Psychiatry

Background:

  • Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is an autoimmune neurological disorder.
  • Increasing case reports highlight its growing prevalence.
  • Prominent psychiatric symptoms often lead to misdiagnosis in psychiatric settings.

Purpose of the Study:

  • To provide a comprehensive review of anti-NMDAR encephalitis.
  • To enhance psychiatrists' understanding of this condition.
  • To discuss differential diagnosis from a psychiatric perspective.

Main Methods:

  • Review of existing literature on anti-NMDAR encephalitis.
  • Analysis of mechanisms, epidemiology, clinical presentation, diagnosis, and treatment.
  • Exploration of the diverse clinical spectrum and psychiatric manifestations.

Main Results:

  • Anti-NMDAR encephalitis presents with a wide range of symptoms, often mimicking psychiatric disorders.
  • Early recognition and diagnosis are critical for effective management.
  • Treatment strategies and patient outcomes are varied.

Conclusions:

  • A thorough understanding of anti-NMDAR encephalitis is essential for psychiatrists.
  • Distinguishing it from primary psychiatric conditions improves patient care.
  • Further research into its diverse clinical presentations is warranted.
Keywords:
NMDARencephalitismood disorderpsychiatric symptomschizophrenia

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