Serena Barilla, Annika Lindblom, Hafdis T Helgadottir
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Unravelling genetic variants of a swedish family with high risk of prostate cancer.
Background: Prostate cancer is the most prevalent cancer in men worldwide. It is a polygenic disease with a substantial proportion of heritability. Identification of novel candidate biomarkers is crucial for clinical cancer prevention and the development of therapeutic strategies. Here, we describe the analysis of rare and common genetic variants that can predispose to the development of prostate cancer.
Methods: Whole-genome sequencing was performed on germline DNA of five Swedish siblings which were diagnosed with prostate cancer. The high-risk variants were identified setting the minor allele frequency < 0.01, CADD > 10 and if tested in PRACTICAL, OR > 1.5, while the low-risk variants were identified minor allele frequency > 0.01, CADD > 10 and if tested in PRACTICAL, OR > 1.1.
Results: We identified 38 candidate high-risk gene variants and 332 candidate low-risk gene variants, where 2 and 14 variants were in coding regions, respectively, that were shared by the brothers with prostate cancer.
Conclusions: This study expanded the knowledge of potential risk factor candidates involved in hereditary and familial prostate cancer. Our findings can be beneficial when applying targeted screening in families with a high risk of developing the disease.
期刊介绍:
Hereditary Cancer in Clinical Practice is an open access journal that publishes articles of interest for the cancer genetics community and serves as a discussion forum for the development appropriate healthcare strategies.
Cancer genetics encompasses a wide variety of disciplines and knowledge in the field is rapidly growing, especially as the amount of information linking genetic differences to inherited cancer predispositions continues expanding. With the increased knowledge of genetic variability and how this relates to cancer risk there is a growing demand not only to disseminate this information into clinical practice but also to enable competent debate concerning how such information is managed and what it implies for patient care.
Topics covered by the journal include but are not limited to:
Original research articles on any aspect of inherited predispositions to cancer.
Reviews of inherited cancer predispositions.
Application of molecular and cytogenetic analysis to clinical decision making.
Clinical aspects of the management of hereditary cancers.
Genetic counselling issues associated with cancer genetics.
The role of registries in improving health care of patients with an inherited predisposition to cancer.