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Target intelligence / Profile preview
B Cell Activation (N/A)
- Target
- N/A
- Molecular classification
- Signal transduction pathway, Immune signaling
01
Overview
B cell activation is a critical process in the adaptive immune response, initiated by antigen recognition via the B cell receptor (BCR) and often requiring T cell help. This leads to B cell proliferation, differentiation into antibody-secreting plasma cells and memory B cells, resulting in pathogen clearance and long-term immunity. Dysregulation of B cell activation is implicated in autoimmune diseases, B cell malignancies, and other immune disorders.
- Other names
- B lymphocyte activationB cell signalingB cell response
02
Mechanism of action
N/A
03
Biological functions
Adaptive immunityAntibody productionB cell proliferationB cell differentiationAntigen presentation
04
Disease associations
Autoimmune diseases (e.g., rheumatoid arthritis, lupus)B cell lymphomasAllergic reactionsInfectious diseases (response to pathogens)
05
Safety considerations
Increased risk of infection (due to B cell depletion)Infusion-related reactionsTumor lysis syndromeProgressive multifocal leukoencephalopathy (PML)HypogammaglobulinemiaCytokine release syndrome
06
Interacting drugs
Rituximab (anti-CD20)
6 more in the full profile.
07
Biomarkers
CD19 expressionCD20 expressionBAFF levelsIgG levelsIgM levelsActivated B cell markers (e.g., CD69, CD86)Plasma cell markers (e.g., CD138)
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