Neuronal surface antibody-mediated autoimmune encephalitis

Area of Science:

• Neurology
• Immunology
• Neuroscience

Background:

• Autoimmune encephalitides are a growing group of disorders characterized by specific clinical syndromes.
• Antibodies targeting neuronal surface antigens are implicated in the pathogenesis of these conditions.
• Many autoimmune encephalitides are responsive to immunotherapy.

Purpose of the Study:

• To review the evolving landscape of autoimmune encephalitides.
• To discuss diagnostic approaches and therapeutic strategies for these conditions.
• To highlight the pathogenic role of antibodies and the potential for multidisciplinary treatment.

Main Methods:

• Literature review of recent studies on autoimmune encephalitides.
• Analysis of clinical syndromes, associated antibodies, and diagnostic findings.
• Synthesis of information on treatment responses and outcomes.

Main Results:

• Numerous autoimmune encephalitides with distinct clinical features and autoantibodies have been identified.
• Anti-N-methyl-D-aspartate (NMDA) receptor encephalitis is a well-characterized example.
• Diagnosis relies on recognizing clinical syndromes and detecting specific antibodies in CSF/serum, often with variable imaging and EEG findings.

Conclusions:

• Autoimmune encephalitides are increasingly recognized, with pathogenic antibodies playing a key role.
• Prompt diagnosis and multidisciplinary immunotherapy targeting antibody effects and sources are crucial for effective management.
• Overlapping disorders and virus-triggered autoimmune responses present complex clinical scenarios.