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Target intelligence / Profile preview
Tumor-specific mutant peptide antigen presentation via major histocompatibility complex molecule (None)
- Target
- None
- Molecular classification
- MHC Class I, MHC Class II, Antigen processing machinery, Peptide-MHC complex
01
Overview
Tumor-specific mutant peptide antigen presentation via major histocompatibility complex (MHC) molecules is the process by which tumor cells display unique peptide fragments derived from mutated proteins (neoantigens) on their surface, bound to MHC molecules. This presentation allows for recognition by T cells, enabling an immune response against the tumor. This mechanism is crucial for immune surveillance and serves as the foundation for many cancer immunotherapies, including checkpoint blockade and adoptive cell therapies.
- Other names
- Neoantigen presentationMutant peptide-MHC complex presentationTumor-associated antigen presentation
02
Mechanism of action
Presentation of tumor-specific mutated peptides (neoantigens) by MHC molecules to T cells, leading to T cell activation and tumor cell killing.
03
Biological functions
Antigen presentationT cell activationImmune surveillanceTumor immunity
04
Disease associations
CancerAutoimmunity (potential)Infectious disease (related to antigen presentation in general)
05
Safety considerations
On-target, off-tumor toxicity (if neoantigen is also expressed in normal tissues)Cytokine release syndrome (CRS) with T cell-engaging therapiesImmune-related adverse events (irAEs) with checkpoint inhibitorsTumor lysis syndrome
06
Interacting drugs
Bispecific antibodies (targeting neoantigen-MHC complexes)
3 more in the full profile.
07
Biomarkers
Neoantigen expression levelsMHC expression levelsT cell infiltrationTumor mutational burden (TMB)Microsatellite instability (MSI)HLA genotypepMHC complex abundance
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