ArticleNeurology(R) neuroimmunology & neuroinflammation2020
Intrathecal B-cell activation in LGI1 antibody encephalitis.
Article in Neurology(R) neuroimmunology & neuroinflammation, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 36 citations in OpenAlex.
- Plasma proteome in LGI-1 autoimmune encephalitis.Journal of neuroinflammation · 2026Article
- Psychiatric symptoms as clinical warning signals of adult anti-LGI-1 encephalitis: an observational cohort study.BMC psychiatry · 2026Observational
- Immunopathological mechanisms in autoimmune encephalitis: from pathogenesis to targeted therapies.Frontiers in immunology · 2026Review
- Case Report: Sequential FcRn blockade and B-cell depletion for treatment-refractory relapsing autoimmune encephalitis: a three-patient case series.Frontiers in immunology · 2026Article
- Clinical, Electroencephalogram and Imaging Characteristics of Patients With Anti-LGI1 Antibody Encephalitis: A Multicenter Cohort Study.CNS neuroscience & therapeutics · 2025Article
- Autoimmune encephalitis associated with anti-LGI1 antibody: a potential cause of neuropsychiatric systemic lupus erythematosus.Lupus science & medicine · 2025Article
- B-cell immune repertoire analysis of autoimmune neurological syndromes with anti-GAD65 antibodies.Frontiers in neurology · 2025Article
- Flow cytometry identifies changes in peripheral and intrathecal lymphocyte patterns in CNS autoimmune disorders and primary CNS malignancies.Journal of neuroinflammation · 2024Article
- Leucine-rich Glioma Inactivated 1 (LGI-1) Limbic Encephalitis Presenting with Psychotic Symptoms without Seizures: A Case Report with Five-year Follow-up and Review of Literature.Indian journal of psychological medicine · 2024Article
- Leucine-Rich Glioma-Inactivated 1 (LGI1) Protein Stimulates Proliferation and IL-10 Production in Peripheral Blood Mononuclear Cells of Patients with LGI1 Antibody-Mediated Autoimmune Encephalitis In Vitro.International journal of molecular sciences · 2024Article
- Ultrahigh frequencies of peripherally matured LGI1- and CASPR2-reactive B cells characterize the cerebrospinal fluid in autoimmune encephalitis.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- HLA dependency and possible clinical relevance of intrathecally synthesized anti-IgLON5 IgG4 in anti-IgLON5 disease.Frontiers in immunology · 2024Article
- Leucine-rich Glioma-inactivated 1 Encephalitis Followed by Isaacs Syndrome: Alternating Presence of Pathogenic Autoantibodies to Leucine-rich Glioma-inactivated 1 and Contactin-associated Protein-like 2.Internal medicine (Tokyo, Japan) · 2023Article
- Circulating plasmablasts and follicular helper T-cell subsets are associated with antibody-positive autoimmune epilepsy.Frontiers in immunology · 2022Article
- Next Generation Sequencing of Cerebrospinal Fluid B Cell Repertoires in Multiple Sclerosis and Other Neuro-Inflammatory Diseases-A Comprehensive Review.Diagnostics (Basel, Switzerland) · 2021Review
- Clinical and Prognostic Value of Immunogenetic Characteristics in Anti-LGI1 Encephalitis.Neurology(R) neuroimmunology & neuroinflammation · 2021Article
- Comprehensive B-Cell Immune Repertoire Analysis of Anti-NMDAR Encephalitis and Anti-LGI1 Encephalitis.Frontiers in immunology · 2021Article
- Positive LGI1 Antibodies in CSF and Relapse Relate to Worse Outcome in Anti-LGI1 Encephalitis.Frontiers in immunology · 2021Article
- Short- and Long-Lived Autoantibody-Secreting Cells in Autoimmune Neurological Disorders.Frontiers in immunology · 2021Review
- The B cell immunobiology that underlies CNS autoantibody-mediated diseases.Nature reviews. Neurology · 2020Review
Corrections and comments
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Authors and funding
14 authors at 1 institution in 2 countries.
Funding
Abstract
objectiveTo study intrathecal B-cell activity in leucine-rich, glioma-inactivated 1 (LGI1) antibody encephalitis. In patients with LGI1 antibodies, the lack of CSF lymphocytosis or oligoclonal bands and serum-predominant LGI1 antibodies suggests a peripherally initiated immune response. However, it is unknown whether B cells within the CNS contribute to the ongoing pathogenesis of LGI1 antibody encephalitis.
methodsPaired CSF and peripheral blood (PB) mononuclear cells were collected from 6 patients with LGI1 antibody encephalitis and 2 patients with other neurologic diseases. Deep B-cell immune repertoire sequencing was performed on immunoglobulin heavy chain transcripts from CSF B cells and sorted PB B-cell subsets. In addition, LGI1 antibody levels were determined in CSF and PB.
resultsSerum LGI1 antibody titers were on average 127-fold higher than CSF LGI1 antibody titers. Yet, deep B-cell repertoire analysis demonstrated a restricted CSF repertoire with frequent extensive clusters of clonally related B cells connected to mature PB B cells. These clusters showed intensive mutational activity of CSF B cells, providing strong evidence for an independent CNS-based antigen-driven response in patients with LGI1 antibody encephalitis but not in controls.
conclusionsOur results demonstrate that intrathecal immunoglobulin repertoire expansion is a feature of LGI1 antibody encephalitis and suggests a need for CNS-penetrant therapies.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.