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First-pass extracted concept

B cell receptor signaling

Candidate: concept label1 source documents4 linked claims
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Aliases

BCR signaling

Extracted Explainers

What the tool is doing

The review treats BCR signaling as a core mechanistic pathway controlling B cell selection, activation, and tolerance. Altered signaling is presented as a route to both failed negative selection and peripheral hyperactivity in SLE.

Source 1DOIPubMed

What problem it solves

It helps explain how genetic risk can be translated into abnormal B cell development and autoreactivity in lupus.

Source 1DOIPubMed

What it does not solve

The review does not present BCR signaling itself as a discrete intervention tool or assay protocol.

Source 1DOIPubMed

Evidence Snippets

B cells from SLE patients have exaggerated BCR responses, with receptor crosslinking leading to increased calcium influx and tyrosine phosphorylation of downstream signaling molecules.
Evidence 1Source 1DOIPubMedprovenance

Supporting Sources

Linked Claims

Claim 1cell state summarysupports2017Source 1DOIPubMed

The review reports that SLE B cells show increased class-switched memory B cells relative to naive B cells and exaggerated BCR responses.

Claim 2disease mechanism summarysupports2017Source 1DOIPubMed

The review supports that B cell developmental checkpoints and tolerance mechanisms are altered in SLE, allowing autoreactive B cells to persist and contribute to disease.

Claim 3genetics summarysupports2017Source 1DOIPubMed

The review states that GWAS have identified more than 80 potential SLE risk loci across multiple immunopathologic pathways, including genes relevant to early B cell development and BCR signaling.

Claim 4pathogenic role summarysupports2017Source 1DOIPubMed

The review supports that autoantibodies are active contributors to SLE pathogenesis rather than passive byproducts.