Target intelligence / Profile preview

Tumor-Specific Mutant Antigen (Neoantigen)

Molecular classification: Peptide/MHC complex, Antigen

Overview

Tumor-specific mutant antigens, or neoantigens, are peptides derived from somatic mutations unique to cancer cells. Presented on MHC molecules, they can be recognized by T cells, triggering an anti-tumor immune response. They are promising targets for personalized immunotherapies due to their tumor specificity and ability to bypass central immune tolerance.

Other names: NeoantigenTumor-specific antigen

Mechanism of action

Presentation of mutated peptides on MHC molecules, leading to T cell-mediated tumor cell killing.

Biological functions

Antigen presentationT cell activationImmune responseTumor cell recognition

Disease associations

Cancer

Safety considerations

Off-target effects (though minimized)Limited neoantigen availability in some tumorsAntigen processing/presentation defectsImmune escape mechanismsAutoimmunity (low risk, but possible)

Interacting drugs

Personalized vaccines

2 more in the full profile.

Biomarkers

Neoantigen loadHLA typeT cell receptor (TCR) repertoireKRAS G12V

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