Comparison of genetic mutations in bladder cancers that arose following radiotherapy for prostate cancer with those in primary bladder cancers
Abstract Radiotherapy (RT) for prostate cancer increases the risk of bladder cancer. The genomic landscape of bladder cancer following RT for prostate cancer and its differentiation from bladder cancers that develop without a history of pelvic RT remains unclear. We examined gene mutations in bladde...
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Nature Portfolio
2025-07-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-025-05149-z |
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| author | Shogo Adomi Kazuko Sakai Yurie Kura Marco A De Velasco Saizo Fujimoto Shingo Toyoda Mamoru Hashimoto Mitsuhisa Nishimoto Eri Banno Yoshitaka Saito Koichi Sugimoto Yujiro Hayashi Takafumi Minami Kazuhiro Yoshimura Hirotsugu Uemura Kazuto Nishio Kazutoshi Fujita |
| author_facet | Shogo Adomi Kazuko Sakai Yurie Kura Marco A De Velasco Saizo Fujimoto Shingo Toyoda Mamoru Hashimoto Mitsuhisa Nishimoto Eri Banno Yoshitaka Saito Koichi Sugimoto Yujiro Hayashi Takafumi Minami Kazuhiro Yoshimura Hirotsugu Uemura Kazuto Nishio Kazutoshi Fujita |
| author_sort | Shogo Adomi |
| collection | DOAJ |
| description | Abstract Radiotherapy (RT) for prostate cancer increases the risk of bladder cancer. The genomic landscape of bladder cancer following RT for prostate cancer and its differentiation from bladder cancers that develop without a history of pelvic RT remains unclear. We examined gene mutations in bladder cancers that developed following RT and those that developed without prior RT. Fourteen patients who developed primary bladder cancer following brachytherapy were categorized into radiation-associated bladder tumor (RA-BT) group, whereas 33 patients diagnosed with primary bladder cancer without a history of pelvic RT were classified into the bladder tumor (BT) group. The frequency of TERT promoter mutations was 35.7% and 63.6% in the RA-BT and BT groups, respectively (p = 0.112). Among the other characteristic mutations, FGFR3 and TP53 were frequently observed in both groups (FGFR3: RA-BT vs. BT, 14.3 vs. 42.4%; TP53: RA-BT vs. BT, 50 vs. 33.3%). Rare mutations in bladder cancer were more frequently observed in the RA-BT group, including ADGRB3 (28.6%), CBL (21.4%), TGM7 (21.4%), and BTK (14.3%). There were significantly more C → T substitutions in the RA-BT group than in the BT group. In our study, the genetic mutations in the RA-BT group had distinct features from those in the BT group. |
| format | Article |
| id | doaj-art-308bf00f10e34a5587d3b67ef38505da |
| institution | DOAJ |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-308bf00f10e34a5587d3b67ef38505da2025-08-20T03:03:28ZengNature PortfolioScientific Reports2045-23222025-07-0115111110.1038/s41598-025-05149-zComparison of genetic mutations in bladder cancers that arose following radiotherapy for prostate cancer with those in primary bladder cancersShogo Adomi0Kazuko Sakai1Yurie Kura2Marco A De Velasco3Saizo Fujimoto4Shingo Toyoda5Mamoru Hashimoto6Mitsuhisa Nishimoto7Eri Banno8Yoshitaka Saito9Koichi Sugimoto10Yujiro Hayashi11Takafumi Minami12Kazuhiro Yoshimura13Hirotsugu Uemura14Kazuto Nishio15Kazutoshi Fujita16Department of Urology, Faculty of Medicine, Kindai UniversityDepartment of Genome Biology, Faculty of Medicine, Kindai UniversityDepartment of Genome Biology, Faculty of Medicine, Kindai UniversityDepartment of Genome Biology, Faculty of Medicine, Kindai UniversityDepartment of Urology, Faculty of Medicine, Kindai UniversityDepartment of Urology, Faculty of Medicine, Kindai UniversityDepartment of Urology, Faculty of Medicine, Kindai UniversityDepartment of Urology, Osaka Minami Medical CenterDepartment of Urology, Mimihara General HospitalDepartment of Urology, Mimihara General HospitalDepartment of Urology, Faculty of Medicine, Kindai UniversityDepartment of Urology, Johns Hopkins University Faculty of MedicineDepartment of Urology, Faculty of Medicine, Kindai UniversityDepartment of Urology, Faculty of Medicine, Kindai UniversityDepartment of Urology, Faculty of Medicine, Kindai UniversityDepartment of Genome Biology, Faculty of Medicine, Kindai UniversityDepartment of Urology, Faculty of Medicine, Kindai UniversityAbstract Radiotherapy (RT) for prostate cancer increases the risk of bladder cancer. The genomic landscape of bladder cancer following RT for prostate cancer and its differentiation from bladder cancers that develop without a history of pelvic RT remains unclear. We examined gene mutations in bladder cancers that developed following RT and those that developed without prior RT. Fourteen patients who developed primary bladder cancer following brachytherapy were categorized into radiation-associated bladder tumor (RA-BT) group, whereas 33 patients diagnosed with primary bladder cancer without a history of pelvic RT were classified into the bladder tumor (BT) group. The frequency of TERT promoter mutations was 35.7% and 63.6% in the RA-BT and BT groups, respectively (p = 0.112). Among the other characteristic mutations, FGFR3 and TP53 were frequently observed in both groups (FGFR3: RA-BT vs. BT, 14.3 vs. 42.4%; TP53: RA-BT vs. BT, 50 vs. 33.3%). Rare mutations in bladder cancer were more frequently observed in the RA-BT group, including ADGRB3 (28.6%), CBL (21.4%), TGM7 (21.4%), and BTK (14.3%). There were significantly more C → T substitutions in the RA-BT group than in the BT group. In our study, the genetic mutations in the RA-BT group had distinct features from those in the BT group.https://doi.org/10.1038/s41598-025-05149-z |
| spellingShingle | Shogo Adomi Kazuko Sakai Yurie Kura Marco A De Velasco Saizo Fujimoto Shingo Toyoda Mamoru Hashimoto Mitsuhisa Nishimoto Eri Banno Yoshitaka Saito Koichi Sugimoto Yujiro Hayashi Takafumi Minami Kazuhiro Yoshimura Hirotsugu Uemura Kazuto Nishio Kazutoshi Fujita Comparison of genetic mutations in bladder cancers that arose following radiotherapy for prostate cancer with those in primary bladder cancers Scientific Reports |
| title | Comparison of genetic mutations in bladder cancers that arose following radiotherapy for prostate cancer with those in primary bladder cancers |
| title_full | Comparison of genetic mutations in bladder cancers that arose following radiotherapy for prostate cancer with those in primary bladder cancers |
| title_fullStr | Comparison of genetic mutations in bladder cancers that arose following radiotherapy for prostate cancer with those in primary bladder cancers |
| title_full_unstemmed | Comparison of genetic mutations in bladder cancers that arose following radiotherapy for prostate cancer with those in primary bladder cancers |
| title_short | Comparison of genetic mutations in bladder cancers that arose following radiotherapy for prostate cancer with those in primary bladder cancers |
| title_sort | comparison of genetic mutations in bladder cancers that arose following radiotherapy for prostate cancer with those in primary bladder cancers |
| url | https://doi.org/10.1038/s41598-025-05149-z |
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