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Target intelligence / Profile preview
Tumor Cell Antigen
- Molecular classification
- Protein, Peptide, Glycoprotein, Glycolipid, Cell Surface Antigen
01
Overview
Tumor cell antigens are molecules expressed by tumor cells that can be recognized by the immune system, triggering an immune response. These antigens can be tumor-specific (TSAs) or tumor-associated (TAAs) and serve as targets for immunotherapies and biomarkers for cancer detection and monitoring. The ideal target should be expressed with sufficient density and homogeneity on the surface of tumor cells with minimal expression on normal tissues to reduce off-target toxicity. Cancer cells can develop mechanisms to evade immune detection by altering antigen processing/presentation pathways.
- Other names
- Tumor-Specific Antigen (TSA)Tumor-Associated Antigen (TAA)Cancer AntigenNeoantigen
02
Mechanism of action
Targeting these antigens allows for the specific delivery of cytotoxic agents or immune stimulation directly to cancer cells, or marking cancer cells for immune destruction.
03
Biological functions
Immune recognitionTarget for immunotherapyBiomarker for cancer diagnosisT-cell activationAntigen presentation
04
Disease associations
CancerAutoimmunity (potential)
05
Safety considerations
Off-target toxicity (due to expression in normal tissues)Immune-related adverse events (cytokine release syndrome)Antigenic modulation (tumor cells downregulating antigen expression)Tumor heterogeneity (variable antigen expression within a tumor)
06
Interacting drugs
Monoclonal Antibodies (e.g., Trastuzumab)
3 more in the full profile.
07
Biomarkers
HER2 expression in breast cancerCD19 expression in B-cell lymphomasTROP2 expression in epithelial cancersPSA levels in prostate cancer
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