cell
Regulatory B Cell
IL-10-leaning B-cell state that restrains inflammation and supports tolerance networks
Review layer
Last reviewed 2026-05-17
Systems teaching draft. Content is structured for education and graph expansion, with formal source tagging ready for the next review pass.
State signature
Systems profile
Graph neighborhood
Direct relationships
Regulatory B-cell behavior often depends on IL-10 output
Network behavior
Systems Overview
Regulatory B cells are context-defined B-cell states that can produce IL-10, TGF-beta, or IL-35 and restrain excessive T-cell and myeloid activation.
Lineage
Origin
Multiple B-cell stages can adopt regulatory behavior under tolerogenic or chronic stimulation contexts
Transcription factors: STAT3, IRF4, Blimp-1-contextual programs
Lifecycle Visualizer
hours-days
Regulatory induction
IL-10 competency
days
Suppressive interaction
T-cell and myeloid restraint
days-weeks
Resolution support
Reduced inflammatory tone
weeks
Plasticity
Return to other B-cell fates or persistence
Activation and Suppression
Activators
Suppressors
Surface and Secreted Signals
Metabolic State
Programs
Acute: Regulatory B cells can suppress inflammatory T-cell and myeloid outputs.
Chronic: Regulatory B-cell insufficiency can permit autoimmunity; excessive regulation can support immune escape.
Tissue Roles
gut: Supports tolerance and barrier immune balance.
lung: Can restrain allergic and inflammatory airway responses.
lymphoid: Shapes T-cell priming and germinal-center tone.
CNS: May influence neuroinflammatory regulation through systemic immune balance.
Disease Associations
Clinical Pearls
- B cells are not only antibody factories; they also regulate immune tone.
- IL-10-producing B-cell behavior can help explain tolerance and recovery patterns.
- B-cell depletion may remove pathogenic and regulatory B-cell functions at the same time.