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Homo sapiens

ABSTRACT: Whole transcriptome profile of citrulline-specific B cells from patients with rheumatoid arthritis

PROVIDER: PRJNA386964 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5572600_1.fastq.gz	Fastqsanger.gz
	SRR5572600_2.fastq.gz	Fastqsanger.gz
	SRR5572601_1.fastq.gz	Fastqsanger.gz
	SRR5572601_2.fastq.gz	Fastqsanger.gz
	SRR5572602_1.fastq.gz	Fastqsanger.gz

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Whole transcriptome profile of citrulline-specific B cells from patients with rheumatoid arthritis

Project description:Although the contribution of B-cell derived autoreactive antibodies to rheumatoid arthritis (RA) has been studied extensively, the autoantibody-independent roles of B cells in the progression of the disease is not well-defined. By utilizing whole transcriptome profiling of human citrulline-specific B cells, we identified diverse inflammatory pathways, cytokines and transcriptional programs that define the biological role of B cells in RA and identify targets for drug intervention. Significantly, we identified the restricted expression of IL15Rα on citrulline-specific B cells and also demonstrated that B cells can express the epidermal growth factor amphiregulin (AREG) under inflammatory conditions. Mechanistically, we demonstrate that AREG has a direct impact on the cellular effectors of RA; it increases the proliferation and invasiveness of RA fibroblast-like synoviocytes (FLS) and synergizes with ACPA to enhance differentiation of osteoclasts. Overall, we present the first comprehensive transcriptome profile of autoreactive B-cell in an autoimmune disease, which can serve as a foundational dataset for studying the multi-faceted roles of B cells in autoimmune diseases

2018-11-16 | GSE99006 | GEO

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