Akhoundova, Dilara; Feng, Felix Y; Pritchard, Colin C; Rubin, Mark A (2022). Molecular Genetics of Prostate Cancer and Role of Genomic Testing. Surgical pathology clinics, 15(4), pp. 617-628. 10.1016/j.path.2022.08.002
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Prostate cancer (PCa) is characterized by profound genomic heterogeneity. Recent advances in personalized treatment entail an increasing need of genomic profiling. For localized PCa, gene expression assays can support clinical decisions regarding active surveillance and adjuvant treatment. In metastatic PCa, homologous recombination deficiency, microsatellite instability-high (MSI-H), and CDK12 deficiency constitute main actionable alterations. Alterations in DNA repair genes confer variable sensitivities to poly(ADP-ribose)polymerase inhibitors, and the use of genomic instability assays as predictive biomarker is still incipient. MSI can be assessed by immunohistochemistry To date there is a lack of consensus as to testing standards.
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