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Target intelligence / Profile preview
Circulating Tumor-Reactive Lymphocyte (cTRL)
- Target
- cTRL
- Molecular classification
- T lymphocyte, Cytotoxic T cell, CD8+ T cell
01
Overview
Circulating tumor-reactive lymphocytes (cTRLs) are a subset of T lymphocytes found in the peripheral blood that specifically recognize and respond to tumor antigens. cTRLs play a critical role in anti-tumor immunity by recognizing and attacking cancer cells presenting specific antigens. They exhibit robust activity against autologous tumors, demonstrated by increased interferon-gamma (IFNγ) production upon exposure to tumor cells and express markers associated with memory T cell phenotypes (e.g., CD27, CD28).
02
Mechanism of action
Enhancement of T cell-mediated tumor cell killing
03
Biological functions
Anti-tumor immunityTumor cell recognitionCytotoxicityIFNγ secretionAdaptive immune response
04
Disease associations
CancerImmune response to tumors
05
Safety considerations
Potential for off-target effectsCytokine release syndromeAutoimmunity
06
Interacting drugs
Immune checkpoint inhibitors (e.g., anti-PD-1, anti-CTLA-4)
07
Biomarkers
CD8CD103CXCR3CCR5IFNγ production
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