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Familial prostate cancer.

Veda N Giri1, Jennifer L Beebe-Dimmer2

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Seminars in Oncology
|December 1, 2016
PubMed
Summary
This summary is machine-generated.

Family history is a key risk factor for prostate cancer, a common male cancer. Genetic factors play a significant role, but genetic testing and guidelines need advancement for personalized screening and treatment.

Keywords:
BRCA1/2EpidemiologyGeneticsGenome-wide associationHOXB13Hereditary prostate cancer

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Area of Science:

  • Oncology
  • Genetics
  • Cancer Epidemiology

Background:

  • Prostate cancer is the most common cancer in men in Western countries.
  • Family history is a significant risk factor, suggesting genetic susceptibility.
  • Prostate cancer is genetically heterogeneous, with inherited factors accounting for 40-50% of cases.

Purpose of the Study:

  • To review the role of genetic factors in prostate cancer.
  • To highlight the importance of family history in prostate cancer risk assessment.
  • To discuss the current state and need for advances in genetic testing for prostate cancer.

Main Methods:

  • Review of existing literature on prostate cancer genetics and family history.
  • Discussion of key genes (e.g., HOXB13, BRCA2) associated with increased risk.
  • Analysis of genome-wide association studies (GWAS) findings.
  • Examination of current genetic testing guidelines and limitations.

Main Results:

  • HOXB13 and BRCA2 mutations are associated with increased prostate cancer risk, particularly in early-onset disease.
  • Numerous genetic loci identified through GWAS confer modest increases in risk.
  • Genetic testing for prostate cancer is less advanced compared to breast and colorectal cancers.
  • Current National Comprehensive Cancer Network (NCCN) guidelines for BRCA1/2 testing are highly selective.

Conclusions:

  • Advances in genetic testing for inherited and familial prostate cancer are crucial.
  • Improved genetic insights can inform personalized risk screening and treatment strategies.
  • Further research is needed to expand genetic testing accessibility and utility in prostate cancer management.