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Tatsuhiko Imaoka
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Journal Articles

Super-competition as a Novel Mechanism of the Dose-rate Effect in Radiation Carcinogenesis: A Mathematical Model Study

Yuya Hattori, Kento Nagata, Ritsuko Watanabe, Akinari Yokoya, Tatsuhiko Imaoka
Journal: Radiation Research
Radiat Res (2025)
https://doi.org/10.1667/RADE-24-00191.1
Published: 20 January 2025
View article titled, Super-competition as a Novel Mechanism of the Dose-rate Effect in Radiation Carcinogenesis: A Mathematical Model Study
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Journal Articles

Influence of Age on Leukemia Mortality Associated with Exposure to γ rays and 2-MeV Fast Neutrons in Male C3H Mice

Kentaro Ariyoshi, Tatsuhiko Imaoka, Yasushi Ohmachi, Yuka Ishida, Masahiro Uda ...
Journal: Radiation Research
Radiat Res (2024) 202 (4): 685–696.
https://doi.org/10.1667/RADE-23-00069.1
Published: 08 October 2024
View article titled, Influence of Age on Leukemia Mortality Associated with Exposure to γ rays and 2-MeV Fast Neutrons in Male C3H Mice
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Includes: Supplementary data
Journal Articles

Relative Biological Effectiveness of Carbon Ion Beams for Induction of Medulloblastoma with Radiation-specific Chromosome 13 Deletion in Ptch1 +/– Mice

Chizuru Tsuruoka, Mayumi Shinagawa, Yi Shang, Yoshiko Amasaki, Masaaki Sunaoshi ...
Journal: Radiation Research
Radiat Res (2024) 202 (3): 503–509.
https://doi.org/10.1667/RADE-23-00229.1
Published: 09 September 2024
View article titled, Relative Biological Effectiveness of Carbon Ion Beams for Induction of Medulloblastoma with Radiation-specific Chromosome 13 Deletion in Ptch1 +/– Mice
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Includes: Supplementary data
Journal Articles

Estimation of Dose-Rate Effectiveness Factor for Malignant Tumor Mortality: Joint Analysis of Mouse Data Exposed to Chronic and Acute Radiation

Kazutaka Doi, Michiaki Kai, Keiji Suzuki, Tatsuhiko Imaoka, Megumi Sasatani ...
Journal: Radiation Research
Radiat Res (2020) 194 (5): 500–510.
https://doi.org/10.1667/RADE-19-00003.1
Published: 29 September 2020
View article titled, Estimation of Dose-Rate Effectiveness Factor for Malignant Tumor Mortality: Joint Analysis of Mouse Data Exposed to Chronic and Acute Radiation
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Journal Articles

Flow Cytometry Definition of Rat Mammary Epithelial Cell Populations and Their Distinct Radiation Responses

Ken-Ichi Kudo, Masaru Takabatake, Kento Nagata, Yukiko Nishimura, Kazuhiro Daino ...
Journal: Radiation Research
Radiat Res (2020) 194 (1): 22–37.
https://doi.org/10.1667/RR15566.1
Published: 30 April 2020
View article titled, Flow Cytometry Definition of Rat Mammary Epithelial Cell Populations and Their Distinct Radiation Responses
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Includes: Supplementary data
Journal Articles

Prominent Dose-Rate Effect and Its Age Dependence of Rat Mammary Carcinogenesis Induced by Continuous Gamma-Ray Exposure

Tatsuhiko Imaoka, Mayumi Nishimura, Kazuhiro Daino, Ayaka Hosoki, Masaru Takabatake ...
Journal: Radiation Research
Radiat Res (2018) 191 (3): 245–254.
https://doi.org/10.1667/RR15094.1
Published: 13 December 2018
View article titled, Prominent Dose-Rate Effect and Its Age Dependence of Rat Mammary Carcinogenesis Induced by Continuous Gamma-Ray Exposure
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Includes: Supplementary data
Journal Articles

Age Modifies the Effect of 2-MeV Fast Neutrons on Rat Mammary Carcinogenesis

Tatsuhiko Imaoka, Mayumi Nishimura, Kazuhiro Daino, Ayaka Hosoki, Masaru Takabatake ...
Journal: Radiation Research
Radiat Res (2017) 188 (4): 419–425.
https://doi.org/10.1667/RR14829.1
Published: 15 August 2017
View article titled, Age Modifies the Effect of 2-MeV Fast Neutrons on Rat Mammary Carcinogenesis
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Includes: Supplementary data
Journal Articles

A Rat Model to Study the Effects of Diet-Induced Obesity on Radiation-Induced Mammary Carcinogenesis

Tatsuhiko Imaoka, Mayumi Nishimura, Kazuhiro Daino, Takamitsu Morioka, Yukiko Nishimura ...
Journal: Radiation Research
Radiat Res (2016) 185 (5): 505–515.
https://doi.org/10.1667/RR14309.1
Published: 02 May 2016
View article titled, A Rat Model to Study the Effects of Diet-Induced Obesity on Radiation-Induced Mammary Carcinogenesis
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Includes: Supplementary data
Journal Articles

Age Dependence of Hematopoietic Progenitor Survival and Chemokine Family Gene Induction after Gamma Irradiation in Bone Marrow Tissue in C3H/He Mice

Kentaro Ariyoshi, Takashi Takabatake, Mayumi Shinagawa, Kyoko Kadono, Kazuhiro Daino ...
Journal: Radiation Research
Radiat Res (2014) 181 (3): 302–313.
https://doi.org/10.1667/RR13466
Published: 26 February 2014
View article titled, Age Dependence of Hematopoietic Progenitor Survival and Chemokine Family Gene Induction after Gamma Irradiation in Bone Marrow Tissue in C3H/He Mice
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Includes: Supplementary data
Journal Articles

Aberrant microRNA Expression in Radiation-Induced Rat Mammary Cancer: The Potential Role of miR-194 Overexpression in Cancer Cell Proliferation

Daisuke Iizuka, Tatsuhiko Imaoka, Mayumi Nishimura, Hidehiko Kawai, Fumio Suzuki ...
Journal: Radiation Research
Radiat Res (2012) 179 (2): 151–159.
https://doi.org/10.1667/RR2927.1
Published: 28 December 2012
View article titled, Aberrant microRNA Expression in Radiation-Induced Rat Mammary Cancer: The Potential Role of miR-194 Overexpression in Cancer Cell Proliferation
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Includes: Supplementary data
Journal Articles

DNA Copy Number Aberrations and Disruption of the p16Ink4a/Rb Pathway in Radiation-Induced and Spontaneous Rat Mammary Carcinomas

Daisuke Iizuka, Tatsuhiko Imaoka, Takashi Takabatake, Mayumi Nishimura, Shizuko Kakinuma ...
Journal: Radiation Research
Radiat Res (2010) 174 (2): 206–215.
https://doi.org/10.1667/RR2006.1
Published: 01 August 2010
View article titled, DNA Copy Number Aberrations and Disruption of the p16Ink4a/Rb Pathway in Radiation-Induced and Spontaneous Rat Mammary Carcinomas
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Journal Articles

Mammary Tumorigenesis in Apc Min/+ Mice is Enhanced by X Irradiation with a Characteristic Age Dependence

Tatsuhiko Imaoka, Mieko Okamoto, Mayumi Nishimura, Yukiko Nishimura, Masami Ootawara ...
Journal: Radiation Research
Radiat Res (2006) 165 (2): 165–173.
https://doi.org/10.1667/RR3502.1
Published: 01 February 2006
View article titled, Mammary Tumorigenesis in Apc Min/+ Mice is Enhanced by X Irradiation with a Characteristic Age Dependence
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