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Metastatic Prostate Cancer is Biologically Heterogeneous






                      Approximately 25% of patients with mCRPC have alterations associated with DNA response pathways



                       AR
                      ETS
                     TP53
                     PTEN
                      RB1                                                                           • Multi-institutional study
                   PIK3CA
                   KMT2C                                                                                   • 444 tumours from 429 mCRPC patients
                    FOXA1
                   KMT2D
                    BRCA2                             PI3K
                      APC                                                                           • Single-nucleotide variants (SNVs) were found to be likely
                    CDK12                         Cell cycle
                     ATM                         Epigenetic                                            oncogenic in the majority of cases
                     SPOP                       DNA repair
                  CDKN1B
                  CTNNB1                              WNT
                   ZBTB16                       MAP kinase                                          • High fraction of oncogenic mutations in AR, TP53,
                    RNF43
                  CDKN2A                                   0  10 20 30 40 50 60                        PIK3CA, BRCA2, PTEN, APC, and CDK12
                   PIK3R1                                     Alteration frequency
                   KMT2A
                   KDM6A
                   PIK3CB                                                                           • Mutations in ATM were predicted to be likely oncogenic
                   FANCA
                     BRAF                                                                              in nearly 60%
                    BRCA1                 Mutation
                     AKT1                 Deep deletion
                     KRAS                 Amplification
                     HRAS                 Fusion


      AR, androgen receptor; DDR, DNA damage response; Mcrpc, metastatic castration-resistant prostate cancer; PI3K, phosphoinositide 3-kinase; WNT, wingless integration
      Abida W et al. PNAS 2019;116:11428-36.
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