Significance of the Multi-gene Panel myRisk in Japan

Saori Hayashi, Makoto Kubo, Sawako Matsuzaki, Masaya Kai, Takafumi Morisaki, Mai Yamada, Kazuhisa Kaneshiro, Yuka Takao, Akiko Shimazaki, Kinuko Nagayoshi, Yusuke Mizuuchi, Masafumi Nakamura

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Background/Aim: Hereditary tumors are estimated to account for approximately 5-10% of all tumors. In Europe and the United States, multi-gene panel testing (MGPT) is the standard method used for identifying potential causative genes. However, MGPT it is still not widely used in Japan. The aim of this study was to assess the risk of hereditary tumors in Japanese cancer patients using germline MGPT and provide an overview of MGPT in the Japanese medical system. Patients and Methods: We used the myRiskTM, a 35-gene panel that determines the risk for eight hereditary cancers: breast, ovarian, gastric, colorectal, prostate, pancreatic, malignant melanoma, and endometrial cancers. Results: From June 2019 to March 2020, 21 patients who were suspected to have hereditary tumors were included, based on their family or medical history. Pathogenic variants were found in 7 patients [BRCA1 (5), MSH6 (1), TP 53 (1)]. Conclusion: In this study, despite the small number of participants, we were able to show the significance of MGPT in Japan. Therefore, MGPT should be used for evaluating hereditary tumors in clinical practice.

Original languageEnglish
Pages (from-to)4097-4102
Number of pages6
JournalAnticancer research
Issue number8
Publication statusPublished - Aug 2022

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research


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