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Stereotypic persistent B cell receptor clonotypes in Alzheimer’s Disease


ABSTRACT: The growing evidence suggest that the effect of Alzheimer’s Disease (AD) is not solely restricted to the brain. Numerous groups investigated the relation between the central nervous system and peripheral system, whereupon the peripheral system is closely involved in accordance with the progression of disease and systemic immunity. In our previous report, we identified shared B cell receptor (BCR) sequences among 10 AD patients which showed similar class-switching orientation, identical isotypes and high somatic hypermutation rate. For further investigation, we recruited 44 patients with AD at baseline and 37 patients for second follow-up to identify the shared BCR sequences among patients and persistent BCR within an individual patient. We were able to annotate 3983 unique AD specific BCR clonotypes and one of the clonotype showed binding affinity against human Aβ42 peptide. Our finding can provide evidence of common BCRs in AD patients exposed to antigenic stimulus which are related to AD pathogenesis.

ORGANISM(S): Homo sapiens

PROVIDER: GSE242738 | GEO | 2023/09/13

REPOSITORIES: GEO

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