Transcriptomics

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RNA-sequencing of bulk CD19+ Thymic B cells from young (3 month - 4 year) and old (42 - 61 years) humans


ABSTRACT: Thymic B cells have been recently shown the ability to be licensed to express Aire, a critical transcription factor involved in the expression of self-antigens in the thymus which are critical for clonal deletion of autoreactive T cells and maintenance of self-tolerance. Mutations in AIRE cause systemic autoimmunity in humans and autoimmunity with varying degrees of severity in different mouse strains. Thymic B cells have been studied in young animals, but studies of this population with age are lacking. Given the thymus undergoes age-associated atrophy in its stromal compartment, we hypothesized that aged thymic B cells may under go changes with age which may impact their ability to mediate clonal deletion of autoreactive T cells and may contribute to age-associated increases in autoimmune prevalence. By comparing the transcriptome of young and aged thymic B cells we find that Aire and transcriptional activators of Aire are signficantly decreased with age.

ORGANISM(S): Homo sapiens

PROVIDER: GSE107111 | GEO | 2018/01/30

REPOSITORIES: GEO

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