Table 8. Candidate Genes for Prostate Cancer Susceptibility
| Gene | Location | Clinical Testing | Proposed Phenotype | Comments |
| HPC = hereditary prostate cancer; MMR = mismatch repair; OMIM = Online Mendelian Inheritance in Man. | ||||
| AMACR (OMIM) [123-125] | 5p13.2 | Not available | Unknown | |
| BRCA1 (OMIM) [136-146] | 17q21 | Available | Younger age at prostate cancer diagnosis (<65 y); earlier age at diagnosis among carriers of Ashkenazi founder mutations | There is some evidence that men with a BRCA1 mutation may develop prostate cancer at an earlier age. |
| BRCA2 (OMIM) [138-142,144,145,147-152] | 13q12-13 | Available | Younger age at prostate cancer diagnosis (<65 y); earlier age at diagnosis among carriers of Ashkenazi founder mutations | Evidence for an increase in prostate cancer risk is stronger for BRCA2 than BRCA1. Individuals with BRCA2-related prostate cancer have significantly worse survival rates than noncarriers due to higher Gleason scores and more advanced tumor stage at diagnosis. Prostate cancer risk may be lower among men with a mutation in the central region of the BRCA2 gene. |
| CHEK2 (OMIM) [131,133,134] | 22q12.1 | Available | Unknown | Value of clinical testing for mutations in CHEK2 for prostate cancer risk is not established. |
| ELAC2/HPC2 (OMIM) [31,153-158] | 17p | Not available | Unknown | Infrequent deleterious mutations identified in HPC families in follow-up reports. |
| HOXB13 (OMIM) [159] | 17q21 | Not available | Younger age at prostate cancer diagnosis (≤55 y) and a positive family history of prostate cancer | |
| KLF6 (OMIM) [119-122,160] | 10p15 | Not available | Younger age at prostate cancer diagnosis (<65 y) | |
| MMR Genes: MLH1 (OMIM), MSH2 (OMIM), MSH6 (OMIM), or PMS2 (OMIM) [161,162] | 3p21.3, 2p22-p21, 2p16, 7p22 | Available | Unknown | Prostate cancers due to MMR gene mutations have been shown to have evidence of microsatellite instability. |
| MSR1 (OMIM) [31,59,60,65,122] | 8p22 | Not available | Unknown | In a genomic region commonly deleted in prostate cancer. |
| NBS1 (OMIM) [126,130] | 8q21 | Available | Increased prostate cancer risk in heterozygotes | Infrequent NBS1 mutations, including founder 657del5 variant, in follow-up study. |
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