ArticleAnnals of clinical and translational neurology2024
No replicating evidence for anti-amyloid-β autoantibodies in cerebral amyloid angiopathy-related inflammation.
Article in Annals of clinical and translational neurology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Early vs Delayed Steroid Treatment in Cerebral Amyloid Angiopathy-Related Inflammation: A Retrospective Cohort Study.Neurology(R) neuroimmunology & neuroinflammation · 2026Article
- Diffuse MRI Edema Predicts Relapse in Cerebral Amyloid Angiopathy-Related Inflammation.Annals of clinical and translational neurology · 2026Article
- Amyloid-related imaging abnormalities (ARIA) in anti-amyloid therapies for Alzheimer's disease: An update from the Alzheimer's Association ARIA workgroup.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Review
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
objectiveElevated levels of anti-amyloid-β (anti-Aβ) autoantibodies in cerebrospinal fluid (CSF) have been proposed as a diagnostic biomarker for cerebral amyloid angiopathy-related inflammation (CAA-RI). We aimed to independently validate the immunoassay for quantifying these antibodies and evaluate its diagnostic value for CAA-RI.
methodsWe replicated the immunoassay to detect CSF anti-Aβ autoantibodies using CSF from CAA-RI patients and non-CAA controls with unrelated disorders and further characterized its performance. Moreover, we conducted a literature review of CAA-RI case reports to investigate neuropathological and CSF evidence of the nature of the inflammatory reaction in CAA-RI.
resultsThe assay demonstrated a high background signal in CSF, which increased and corresponded with higher total immunoglobulin G (IgG) concentration in CSF (r
interpretationWe were unable to reproduce the reported elevation of anti-Aβ autoantibody concentration in CSF of CAA-RI patients. Our findings instead support nonspecific detection of IgG levels in CSF by the assay. Reviewed CAA-RI case reports suggested a widespread cerebral inflammatory reaction. In conclusion, our findings do not support anti-Aβ autoantibodies as a diagnostic biomarker for CAA-RI.
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