Clinical application of p62/SQSTM1 in cancers
| Project/Area Number |
26460648
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Laboratory medicine
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| Research Institution | Shiga University of Medical Science |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
茶野 徳宏 滋賀医科大学, 医学部, 准教授 (40346028)
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Keywords | p62/SQSTM1 / RB1CC1 / biomarker / 放射線治療 / 代謝 / epigenome / mitochondria / 腎癌 / 骨肉腫 / バイオマーカー / 肺癌 / 頭頸部癌 |
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| Outline of Final Research Achievements |
Hypopharyngeal carcinoma is one of the worst prognostic malignancies among head and neck carcinomas. Therefore, a good biomarker should be identified to predict the best therapeutic option before starting the treatment. In cell models, p62/SQSTM1 levels affected the Nrf2-Keap1 pathway, ROS levels, GSH/GSSG ratios and cell growth, especially under irradiation rather than under CDDP exposure, which was toxic despite p62/SQSTM1 status. In a clinical cohort of hypopharyngeal carcinomas, high levels of p62/SQSTM1 significantly predicted poor prognosis (log-rank test, Chi-square value = 6.750, p = 0.0094) and maximum critical risk (Cox proportional hazard ratio = 4.405, p = 0.0086), especially in the radiotherapy group. Therefore, when p62/SQSTM1 is elevated in the biopsy section, hypopharyngeal carcinoma should be treated with surgical and/or chemotherapeutic options.
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Report
(4 results)
Research Products
(11 results)
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[Journal Article] Mammalian autophagy is essential for hepatic and renal ketogenesis during starvation.2016
Author(s)
Takagi A, Kume S, Kondo M, Nakazawa J, Chin-Kanasaki M, Araki H, Araki S, Koya D, Haneda M, Chano T, Matsusaka T, Nagao K, Adachi Y, Chan L, Maegawa H, Uzu T.
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Journal Title
Sci Rep
Volume: 6
Issue: 1
Pages: 18944-18944
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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