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Target intelligence / Profile preview
Regulatory T Cell (Treg) Depletion via Fc Gamma Receptor Engagement
- Molecular classification
- Immunotherapy, Antibody-mediated cytotoxicity
01
Overview
Regulatory T cell (Treg) depletion via Fc gamma receptor engagement is a cancer immunotherapy strategy aimed at selectively eliminating Tregs from the tumor microenvironment. This is achieved through antibodies targeting Treg surface molecules, engineered to bind with high affinity to activating FcγRs on effector cells like NK cells and macrophages, thereby inducing ADCC/ADCP.
- Other names
- Treg DepletionAntibody-dependent cellular cytotoxicity (ADCC) of TregsAntibody-dependent cellular phagocytosis (ADCP) of Tregs
02
Mechanism of action
Antibodies targeting Treg surface molecules (e.g., CTLA-4, CD25) engage activating FcγRs on effector cells (NK cells, macrophages), leading to ADCC/ADCP and selective Treg depletion.
03
Biological functions
Immune responseT cell regulationTumor microenvironment modulationAntibody-dependent cellular cytotoxicity (ADCC)Antibody-dependent cellular phagocytosis (ADCP)
04
Disease associations
CancerAutoimmune diseases (potential application)
05
Safety considerations
Off-target effects on other immune cellsCytokine release syndromeAutoimmune toxicitiesFcγR polymorphisms influencing efficacy and toxicity
06
Interacting drugs
Anti-CTLA-4 antibodies (e.g., Ipilimumab)
2 more in the full profile.
07
Biomarkers
Intratumoral Treg frequencyFcγR expression levels on effector cellsCTLA-4 expression on TregsCD25 expression on Tregs
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