Fusion-associated neoantigen burden and predicted immunogenicity of CDK12 biallelic loss-of-function tumors vary substantially across cancer types | Caris Life Sciences
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Fusion-associated neoantigen burden and predicted immunogenicity of CDK12 biallelic loss-of-function tumors vary substantially across cancer types

  • Fusion rates and predicted neoantigen load varied significantly between CDK12 biallelic LOF tumors across cancer types, highlighting the value of biomarkers with a quantitative, phenotypic and/or immunogenic readout.
  • Co-occurrence of dMMR/MSI-High with CDK12 biallelic LOF correlated with a lower fusion rate and recurrent CDK12 frameshift mutations at poly-nucleotide tracts, suggesting CDK12 mutations are a secondary effect in these tumors.
  • We propose that fusion rates are linked to CDK12 alterations and may serve as useful biomarker to enhance our ability to identify responders of ICI therapy.

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