The involvement of mitochondrial membrane potential in cross-resistance between radiation and docetaxel
Project/Area Number |
25340026
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Risk sciences of radiation and chemicals
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Research Institution | Tohoku University |
Principal Investigator |
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Project Period (FY) |
2013-04-01 – 2016-03-31
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Project Status |
Completed (Fiscal Year 2015)
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Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
|
Keywords | 放射線耐性 / ドセタキセル耐性 / ミトコンドリア / ROS / ρ0細胞 / X線 / ドセタキセル / 電子伝達系 / γH2AX / X線耐性 / 抗がん剤 / ミトコンドリア膜電位 |
Outline of Final Research Achievements |
To understand the molecular mechanisms underlying cancer cell radioresistance, we established clinically relevant radioresistant (CRR) cells that continue to proliferate during exposure to 2 Gy/day X-rays for more than 30 days. A modified high-density survival assay for anticancer-drug screening revealed that CRR cells were resistant to an anti-microtubule agent, docetaxel (DTX). After treatment with DTX or exposure to X-rays reactive oxygen species from mitochondria (mtROS) were generated in parental cells but not in CRR cells, suggesting that the involvement of mtROS in the cross-resistance to DTX and X-rays. Mitochondrial membrane potential was lower in CRR cells than that in parental cells. Depletion of mtDNA induced DTX resistance in parental cells. In the present study, novel DTX resistant mechanism was found by investigating CRR cells and ρ0 cells which lack mitochondrial DNA.
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Report
(4 results)
Research Products
(69 results)
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[Journal Article] Electron probe X-ray microanalysis of boar and inobuta testes after the Fukushima accident2015
Author(s)
Yamashiro H, Abe Y, Hayashi G, Urushihara Y, Kuwahara Y, Suzuki M, Kobayashi J, Kino Y, Fukuda T, Tong B, Takino S, Sugano Y, Sugimura S, Yamada T, Isogai E, Fukumoto M.
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Journal Title
Journal of Radiation Research
Volume: 56
Issue: suppl 1
Pages: 42-47
DOI
Related Report
Peer Reviewed / Open Access / Acknowledgement Compliant
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[Journal Article] A comprehensive dose evaluation project concerning animals affected by the Fukushima Daiichi Nuclear Power Plant accident: its set-up and progress2015
Author(s)
Takahashi S, Inoue K, Suzuki M, Urushihara Y, Kuwahara Y, Hayashi G, Kino Y, Sekine T, Abe Y, Fukuda T, Isogai E, Yamashiro H, Fukumoto M
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Journal Title
J Radiation Res
Volume: 56
Issue: suppl 1
Pages: 36-41
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Software development for estimating the concentration of radioactive cesium in the skeletal muscles of cattle from blood samples.2015
Author(s)
Fukuda T, Hiji M, Kino Y, Abe Y, Yamashiro H, Kobayashi J, Shimizu Y, Takahashi A, Suzuki T, Chiba M, Inoue K, Kuwahara Y, Morimoto M, Katayama M, Donai K, Shinoda H, Sekine T, Fukumoto M, Isogai E.
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Journal Title
Animal Science Journal
Volume: 86
Issue: 6
Pages: 12490-12490
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
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[Journal Article] Cesium radioactivity in peripheral blood is linearly correlated to that in skeletal muscle: analyses of cattle within the evacuation zone of the Fukushima Daiichi Nuclear Power Plant.2015
Author(s)
Fukuda T, Kino Y, Abe Y, Yamashiro H, Kobayashi J, Shimizu Y, Takahashi A, Suzuki T, Chiba M, Takahashi S, Inoue K, Kuwahara Y, Morimoto M, Shinoda H, Hiji M, Sekine T, Fukumoto M, Isogai E.
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Journal Title
Anim Sci J.
Volume: 86
Issue: 1
Pages: 120-124
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Effects of radioactive caesium on bull testes after the Fukushima nuclear plant accident2013
Author(s)
Yamashiro, H., Abe, Y., Fukuda, T., Kino, Y., Kuwahara, Y., Fukumoto, M., Kobayashi, J., Uematsu, E., Tong, B., Sugiyama, T., Yamada, T., Shinoda, H., Sekine, T., Sato, E.
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Journal Title
Sci. Rep.
Volume: (掲載決定)
Issue: 1
Pages: 2850-2856
DOI
Related Report
Peer Reviewed
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[Journal Article] Distribution of artificial radionuclides in abandoned cattle in theeva cuation zone of the Fukushima Daiichi nuclear power plant2013
Author(s)
Fukuda T, Kino Y, Abe Y, Yamashiro H, Kuwahara Y, Nihei H, Sano Y, Irisawa A, Shimura T, Fukumoto M, Shinoda H, Obata Y, Saigusa S, Sekine T, Isogai E, Fukumoto M.
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Journal Title
PLoS One
Volume: 8(1)
Issue: 1
Pages: 1-7
DOI
Related Report
Peer Reviewed
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[Presentation] Effects of Radiation Exposure on Transgenerational Inheritance in Bulls After The Fukushima Nuclear Power Plant Accident.2015
Author(s)
Hideaki Yamashiro, Bin Tong, Sachio Takino, Yukou Sugano, Shigefumi Tanaka, Takakazu Nishikawa, Chikako Yoshida, Yasuyuki Abe, Gohei Hayashi, Yusuke Urushihara, Yoshikazu Kuwahara, Masatoshi Suzuki, Hidekazu Takahashi, Shinichi Fuji, Emiko Isogai, Manabu Fukumoto
Organizer
15th International Congress of Radiation Research
Place of Presentation
Kyoto international conference center (Kyoto-fu・Kyoto-shi))
Year and Date
2015-05-25
Related Report
Int'l Joint Research
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[Presentation] 福島第一原発 20km国内に生息する雌ウシの生殖器に対する放射性物質の影響解析2013
Author(s)
阿部靖之,山城秀昭,及川俊徳,福田智―,木野康志,関根勉,桑原義和,福本基,小林仁,阿部宏之,沼邊孝,磯貝恵美子,福本学
Organizer
日本哺乳動物卵子学会第54回大会
Place of Presentation
東京都千代田区
Related Report
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[Book] Recent Advances in Cryopreservation Edited by Hideaki Yamashiro. Chapter 5 Cryopreservation of Cattle, Pig, Inobuta Sperm and Oocyte after the Fukushima Nuclear Plant Accident.2014
Author(s)
Yamashiro H, Abe Y, Kuwahara Y, Fukuda T, Kino Y, Inoue K, Takahashi S, Fukumoto M, Kobayashi J, Tong B, Takino S, Yamada T, Sekine T, Isogai E, Fukumoto M.
Total Pages
130
Publisher
InTech,
Related Report
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[Book] Cryopreservation -Cryopreservation of cattle, pig, inobuta sperm and oocyteafter the Fukushima nuclear plant accident-2014
Author(s)
Hideaki Yamashiro, Yasuyuki Abe, Yoshikazu Kuwahara, Tomokazu Fukuda, Yasushi Kino, Kazuya Inoue, Motoi Fukumoto, Jin Kobayashi, Bin Tong, Sachio Takino, Takahisa Yamada, Tsutomu Sekine, Emiko Isogai & Manabu Fukumoto
Publisher
InTech, CrOatia
Related Report
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