Works by Matsumoto, Ken-ichiro

Results: 43

EPR and Related Magnetic Resonance Imaging Techniques in Cancer Research.

Published in:

Metabolites (2218-1989), 2023, v. 13, n. 1, p. 69, doi. 10.3390/metabo13010069

By:

Takakusagi, Yoichi;
Kobayashi, Ryoma;
Saito, Keita;
Kishimoto, Shun;
Krishna, Murali C.;
Murugesan, Ramachandran;
Matsumoto, Ken-ichiro

Publication type:

Article

Synthesis and imaging of blood-brain-barrier permeable nitroxyl-probes for free radical reactions in brain of living mice.

Published in:

IUBMB Life, 1997, v. 42, n. 3, p. 641, doi. 10.1080/15216549700203051

By:

Sano, Hiroaki;
Matsumoto, Ken-ichiro;
Utsumi, Hideo

Publication type:

Article

Gamma-tocopherol-N,N-dimethylglycine ester as a potent post-irradiation mitigator against whole body X-irradiation-induced bone marrow death in mice.

Published in:

Journal of Radiation Research, 2014, v. 55, n. 1, p. 67, doi. 10.1093/jrr/rrt094

By:

Anzai, Kazunori;
Ueno, Megumi;
Matsumoto, Ken-ichiro;
Ikota, Nobuo;
Takata, Jiro

Publication type:

Article

Effect of Solvent Polarity on the One-electron Oxidation of Cyclic Nitroxyl Radicals.

Published in:

Chemistry Letters, 2007, v. 36, n. 7, p. 914, doi. 10.1246/cl.2007.914

By:

Manda, Sushma;
Nakanishi, Ikuo;
Ohkubo, Kei;
Kawashima, Tomonori;
Matsumoto, Ken-ichiro;
Ozawa, Toshihiko;
Fukuzumi, Shunichi;
Ikota, Nobuo;
Anzai, Kazunori

Publication type:

Article

Mitochondria Play Essential Roles in Intracellular Protection against Oxidative Stress—Which Molecules among the ROS Generated in the Mitochondria Can Escape the Mitochondria and Contribute to Signal Activation in Cytosol?

Published in:

Biomolecules (2218-273X), 2024, v. 14, n. 1, p. 128, doi. 10.3390/biom14010128

By:

Masuda, Daisuke;
Nakanishi, Ikuo;
Ohkubo, Kei;
Ito, Hiromu;
Matsumoto, Ken-ichiro;
Ichikawa, Hiroshi;
Chatatikun, Moragot;
Klangbud, Wiyada Kwanhian;
Kotepui, Manas;
Imai, Motoki;
Kawakami, Fumitaka;
Kubo, Makoto;
Matsui, Hirofumi;
Tangpong, Jitbanjong;
Ichikawa, Takafumi;
Ozawa, Toshihiko;
Yen, Hsiu-Chuan;
St Clair, Daret K.;
Indo, Hiroko P.;
Majima, Hideyuki J.

Publication type:

Article

Evidence of Nrf2/Keap1 Signaling Regulation by Mitochodria-Generated Reactive Oxygen Species in RGK1 Cells.

Published in:

Biomolecules (2218-273X), 2023, v. 13, n. 3, p. 445, doi. 10.3390/biom13030445

By:

Indo, Hiroko P.;
Masuda, Daisuke;
Sriburee, Sompong;
Ito, Hiromu;
Nakanishi, Ikuo;
Matsumoto, Ken-ichiro;
Mankhetkorn, Samlee;
Chatatikun, Moragot;
Surinkaew, Sirirat;
Udomwech, Lunla;
Kawakami, Fumitaka;
Ichikawa, Takafumi;
Matsui, Hirofumi;
Tangpong, Jitbanjong;
Majima, Hideyuki J.

Publication type:

Article

Importance of Locations of Iron Ions to Elicit Cytotoxicity Induced by a Fenton-Type Reaction.

Published in:

Cancers, 2022, v. 14, n. 15, p. 3642, doi. 10.3390/cancers14153642

By:

Igarashi, Kintaro;
Shoji, Yoshimi;
Sekine-Suzuki, Emiko;
Ueno, Megumi;
Matsumoto, Ken-ichiro;
Nakanishi, Ikuo;
Fukui, Koji

Publication type:

Article

Visualization of free radical reactions in an aqueous sample irradiated by 290 MeV carbon beam.

Published in:

Magnetic Resonance in Medicine, 2009, v. 61, n. 5, p. 1033, doi. 10.1002/mrm.21958

By:

Matsumoto, Ken-ichiro;
Nagata, Katsura;
Yamamoto, Haruhiko;
Endo, Kazutoyo;
Anzai, Kazunori;
Aoki, Ichio

Publication type:

Article

Dynamic monitoring of localized tumor oxygenation changes using RF pulsed electron paramagnetic resonance in conscious mice.

Published in:

Magnetic Resonance in Medicine, 2008, v. 59, n. 3, p. 619, doi. 10.1002/mrm.21500

By:

Matsumoto, Shingo;
Espey, Michael Graham;
Utsumi, Hideo;
Devasahayam, Nallathamby;
Matsumoto, Ken-Ichiro;
Matsumoto, Atsuko;
Hirata, Hiroshi;
Wink, David A.;
Kuppusamy, Periannan;
Subramanian, Sankaran;
Mitchell, James B.;
Krishna, Murali C.

Publication type:

Article

Strategies for improved temporal and spectral resolution in in vivo oximetric imaging using time-domain EPR.

Published in:

Magnetic Resonance in Medicine, 2007, v. 57, n. 4, p. 776, doi. 10.1002/mrm.21194

By:

Devasahayam, Nallathamby;
Subramanian, Sankaran;
Murugesan, Ramachandran;
Hyodo, Fuminori;
Matsumoto, Ken-Ichiro;
Mitchell, James B.;
Krishna, Murali C.

Publication type:

Article

MR assessment of changes of tumor in response to hyperbaric oxygen treatment.

Published in:

Magnetic Resonance in Medicine, 2006, v. 56, n. 2, p. 240, doi. 10.1002/mrm.20961

By:

Matsumoto, Ken-ichiro;
Bernardo, Marcelino;
Subramanian, Sankaran;
Choyke, Peter;
Mitchell, James B.;
Krishna, Murali C.;
Lizak, Martin J.

Publication type:

Article

Competition of nitroxyl contrast agents as an in vivo tissue redox probe: Comparison of pharmacokinetics by the bile flow monitoring (BFM) and blood circulating monitoring (BCM) methods using X-band EPR and simulation of decay profiles.

Published in:

Magnetic Resonance in Medicine, 2006, v. 56, n. 2, p. 422, doi. 10.1002/mrm.20958

By:

Okajo, Aya;
Matsumoto, Ken-ichiro;
Mitchell, James B.;
Krishna, Murali C.;
Endo, Kazutoyo

Publication type:

Article

Electron paramagnetic resonance imaging of tumor hypoxia: Enhanced spatial and temporal resolution for in vivo pO2 determination.

Published in:

Magnetic Resonance in Medicine, 2006, v. 55, n. 5, p. 1157, doi. 10.1002/mrm.20872

By:

Matsumoto, Ken-ichiro;
Subramanian, Sankaran;
Devasahayam, Nallathamby;
Aravalluvan, Thirumaran;
Murugesan, Ramachandran;
Cook, John A.;
Mitchell, James B.;
Krishna, Murali C.

Publication type:

Article

Location of anthralin radical generation in mouse skin by UV-A irradiation: An estimation using microscopic EPR spectral-spatial imaging.

Published in:

Magnetic Resonance in Medicine, 2006, v. 55, n. 4, p. 738, doi. 10.1002/mrm.20862

By:

Matsumoto, Ken-ichiro;
Kawai, Sayo;
Chignell, Colin F.;
Utsumi, Hideo

Publication type:

Article

Absolute oxygen tension (pO2) in murine fatty and muscle tissue as determined by EPR.

Published in:

Magnetic Resonance in Medicine, 2005, v. 54, n. 6, p. 1530, doi. 10.1002/mrm.20714

By:

Matsumoto, Atsuko;
Matsumoto, Shingo;
Sowers, Anastasia L.;
Koscielniak, Janusz W.;
Trigg, Nancy J.;
Kuppusamy, Periannan;
Mitchell, James B.;
Subramanian, Sankaran;
Krishna, Murali C.;
Matsumoto, Ken-ichiro

Publication type:

Article

Influence of proton T1 on oxymetry using Overhauser enhanced magnetic resonance imaging.

Published in:

Magnetic Resonance in Medicine, 2005, v. 54, n. 1, p. 213, doi. 10.1002/mrm.20564

By:

Matsumoto, Shingo;
Utsumi, Hideo;
Aravalluvan, Thirumaran;
Matsumoto, Ken-ichiro;
Matsumoto, Atsuko;
Devasahayam, Nallathamby;
Sowers, Anastasia L.;
Mitchell, James B.;
Subramanian, Sankaran;
Krishna, Murali C.

Publication type:

Article

In vivo EPR spectroscopic imaging for a liposomal drug delivery system.

Published in:

Magnetic Resonance in Medicine, 2005, v. 53, n. 5, p. 1158, doi. 10.1002/mrm.20460

By:

Matsumoto, Ken-ichiro;
Yahiro, Tomoaki;
Yamada, Ken-ichi;
Utsumi, Hideo

Publication type:

Article

Pharmacokinetics of a triarylmethyl-type paramagnetic spin probe used in EPR oximetry.

Published in:

Magnetic Resonance in Medicine, 2004, v. 52, n. 4, p. 885, doi. 10.1002/mrm.20222

By:

Matsumoto, Ken-ichiro;
English, Sean;
Yoo, John;
Yamada, Ken-ichi;
Devasahayam, Nallathamby;
Cook, John A.;
Mitchell, James B.;
Subramanian, Sankaran;
Krishna, Murali C.

Publication type:

Article

A Mechanism for Apoptotic Effects of a Planar Catechin Analog on Cancer Cells.

Published in:

Molecules, 2024, v. 29, n. 18, p. 4467, doi. 10.3390/molecules29184467

By:

Ito, Hiromu;
Shoji, Yoshimi;
Matsumoto, Ken-ichiro;
Fukuhara, Kiyoshi;
Nakanishi, Ikuo

Publication type:

Article

Estimation of the Local Concentration of the Markedly Dense Hydroxyl Radical Generation Induced by X-rays in Water.

Published in:

Molecules, 2022, v. 27, n. 3, p. 592, doi. 10.3390/molecules27030592

By:

Matsumoto, Ken-ichiro;
Ueno, Megumi;
Shoji, Yoshimi;
Nakanishi, Ikuo

Publication type:

Article

Multimodal Functional Imaging for Cancer/Tumor Microenvironments Based on MRI, EPRI, and PET.

Published in:

Molecules, 2021, v. 26, n. 6, p. 1614, doi. 10.3390/molecules26061614

By:

Matsumoto, Ken-ichiro;
Mitchell, James B.;
Krishna, Murali C.;
Miyoshi, Norio

Publication type:

Article

Radio frequency continuous-wave and time-domain EPR imaging and Overhauser-enhanced magnetic resonance imaging of small animals: instrumental developments and comparison of relative merits for functional imaging.

Published in:

NMR in Biomedicine, 2004, v. 17, n. 5, p. 263, doi. 10.1002/nbm.897

By:

Subramanian, Sankaran;
Matsumoto, Ken-ichiro;
Mitchell, James B.;
Krishna, Murali C.

Publication type:

Article

Comparative studies with EPR and MRI on the <italic>in vivo</italic> tissue redox status estimation using redox-sensitive nitroxyl probes: influence of the choice of the region of interest.

Published in:

Free Radical Research, 2018, v. 52, n. 2, p. 248, doi. 10.1080/10715762.2018.1427235

By:

Matsumoto, Ken-ichiro;
Mitchell, James B.;
Krishna, Murali C.

Publication type:

Article

Roles of mitochondria-generated reactive oxygen species on X-ray-induced apoptosis in a human hepatocellular carcinoma cell line, HLE.

Published in:

Free Radical Research, 2012, v. 46, n. 8, p. 1029, doi. 10.3109/10715762.2012.698012

By:

Indo, Hiroko P.;
Inanami, Osamu;
Koumura, Tomoko;
Suenaga, Shigeaki;
Yen, Hsiu-Chuan;
Kakinuma, Shizuko;
Matsumoto, Ken-Ichiro;
Nakanishi, Ikuo;
St Clair, William;
St Clair, Daret K.;
Matsui, Hirofumi;
Cornette, Richard;
Gusev, Oleg;
Okuda, Takashi;
Nakagawa, Yasuhito;
Ozawa, Toshihiko;
Majima, Hideyuki J.

Publication type:

Article

An EPR method for estimating activity of antioxidants in mouse skin using an anthralin-derived radical model.

Published in:

Free Radical Research, 2010, v. 44, n. 3, p. 267, doi. 10.3109/10715760903456100

By:

Kawai, Sayo;
Matsumoto, Ken-Ichiro;
Utsumi, Hideo

Publication type:

Article

Biliary excretion of essential trace elements in rats under oxidative stress caused by selenium deficiency.

Published in:

Analytical & Bioanalytical Chemistry, 2012, v. 401, n. 8, p. 2531, doi. 10.1007/s00216-011-5333-4

By:

Yamasaki, Kosuke;
Sakuma, Yasunobu;
Sasaki, Junya;
Matsumoto, Ken-ichiro;
Anzai, Kazunori;
Matsuoka, Keisuke;
Honda, Chikako;
Tsukada, Masamichi;
Endo, Kazutoyo;
Enomoto, Shuichi

Publication type:

Article

The Effect of Long-Running Severe Selenium-Deficiency on the Amount of Iron and Zinc in the Organs of Rats.

Published in:

Molecules, 2009, v. 14, n. 11, p. 4440, doi. 10.3390/molecules14114440

By:

Matsumoto, Ken-ichiro;
Terada, Sachiyo;
Ariyoshi, Marie;
Okajo, Aya;
Hisamatsu, Atsushi;
Iori Ui;
Endo, Kazutoyo

Publication type:

Article

Tetrachloroaurate (III)-induced oxidation increases non-thermal plasma-induced oxidative stress.

Published in:

Free Radical Research, 2022, v. 56, n. 1, p. 17, doi. 10.1080/10715762.2022.2026348

By:

Okazaki, Yasumasa;
Sasaki, Kanako;
Ito, Nanami;
Tanaka, Hiromasa;
Matsumoto, Ken-Ichiro;
Hori, Masaru;
Toyokuni, Shinya

Publication type:

Article

Effects of LET on oxygen-dependent and-independent generation of hydrogen peroxide in water irradiated by carbon-ion beams.

Published in:

Free Radical Research, 2021, v. 55, n. 6, p. 714, doi. 10.1080/10715762.2021.1915489

By:

Matsumoto, Ken-ichiro;
Ueno, Megumi;
Nyui, Minako;
Shoji, Yoshimi;
Nakanishi, Ikuo

Publication type:

Article

Heavy-ion beam-induced reactive oxygen species and redox reactions.

Published in:

Free Radical Research, 2021, v. 55, n. 4, p. 450, doi. 10.1080/10715762.2021.1899171

By:

Matsumoto, Ken-ichiro;
Ueno, Megumi;
Shoji, Yoshimi;
Nakanishi, Ikuo

Publication type:

Article

Inhomogeneous generation of hydroxyl radicals in hydrogen peroxide solution induced by ultraviolet irradiation and in a Fenton reaction system.

Published in:

Free Radical Research, 2021, v. 55, n. 4, p. 481, doi. 10.1080/10715762.2020.1819995

By:

Ueno, Megumi;
Nakanishi, Ikuo;
Matsumoto, Ken-ichiro

Publication type:

Article

Relationship between the radical-scavenging activity of selected flavonols and thermodynamic parameters calculated by density functional theory.

Published in:

Free Radical Research, 2020, v. 54, n. 7, p. 535, doi. 10.1080/10715762.2020.1813887

By:

Nakanishi, Ikuo;
Ohkubo, Kei;
Shoji, Yoshimi;
Fujitaka, Yuya;
Shimoda, Kei;
Matsumoto, Ken-ichiro;
Fukuhara, Kiyoshi;
Hamada, Hiroki

Publication type:

Article

Generation of localized highly concentrated hydrogen peroxide clusters in water by X-rays.

Published in:

Free Radical Research, 2020, v. 54, n. 5, p. 360, doi. 10.1080/10715762.2020.1774574

By:

Ueno, Megumi;
Nakanishi, Ikuo;
Matsumoto, Ken-ichiro

Publication type:

Article

Photodynamic Therapy for X-ray-Induced Radiation-Resistant Cancer Cells.

Published in:

Pharmaceutics, 2023, v. 15, n. 11, p. 2536, doi. 10.3390/pharmaceutics15112536

By:

Ito, Hiromu;
Shoji, Yoshimi;
Ueno, Megumi;
Matsumoto, Ken-ichiro;
Nakanishi, Ikuo

Publication type:

Article

Effects of Whole-Body Carbon-Ion Beam Irradiation on Bone Marrow Death in Mice and an Examination of Candidates for Protectors or Mitigators against Carbon-Ion-Beam-Induced Bone Marrow Death.

Published in:

Radiation Research, 2025, v. 203, n. 4, p. 246, doi. 10.1667/RADE-23-00253.1

By:

Ueno, Megumi;
Setoguchi, Shuichi;
Matsunaga, Kazuhisa;
Matsumoto, Ken-ichiro;
Takata, Jiro;
Anzai, Kazunori

Publication type:

Article

Hair Follicle Damage after 100 mGy Low-Dose Fractionated X-Ray Irradiation and the Protective Effects of TEMPOL, a Stable Nitroxide Radical, against Radiation.

Published in:

Radiation Research, 2024, v. 201, n. 2, p. 115, doi. 10.1667/RADE-23-00167.1

By:

Kawabata, Yoshihiro;
Fukushige, Tomoko;
Indo, Hiroko P.;
Matsumoto, Ken-ichiro;
Ueno, Megumi;
Nakanishi, Ikuo;
Chatatikun, Moragot;
Klangbud, Wiyada Kwanhian;
Surinkaew, Sirirat;
Tangpong, Jitbanjong;
Kanekura, Takuro;
Majima, Hideyuki J.

Publication type:

Article

Protective Effects of Amino Acids on Plasmid DNA Damage Induced by Therapeutic Carbon Ions.

Published in:

Radiation Research, 2021, v. 196, n. 2, p. 197, doi. 10.1667/RADE-21-00033.1

By:

Yogo, Katsunori;
Murayama, Chieko;
Hirayama, Ryoichi;
Matsumoto, Ken-ichiro;
Nakanishi, Ikuo;
Ishiyama, Hiromichi;
Yasuda, Hiroshi

Publication type:

Article

Potential Mechanisms for Protective Effect of D-Methionine on Plasmid DNA Damage Induced by Therapeutic Carbon Ions.

Published in:

Radiation Research, 2020, v. 193, n. 6, p. 513, doi. 10.1667/RR15502.1

By:

Yogo, Katsunori;
Murayama, Chieko;
Fujisawa, Yoshiki;
Maeyama, Takuya;
Hirayama, Ryoichi;
Ogawa, Yukihiro;
Matsumoto, Ken-ichiro;
Nakanishi, Ikuo;
Yasuda, Hiroshi;
Ishiyama, Hiromichi;
Hayakawa, Kazushige

Publication type:

Article

EPR‐based oximetric imaging: a combination of single point‐based spatial encoding and T1 weighting.

Published in:

Magnetic Resonance in Medicine, 2018, v. 80, n. 5, p. 2275, doi. 10.1002/mrm.27182

By:

Matsumoto, Ken‐ichiro;
Kishimoto, Shun;
Devasahayam, Nallathamby;
Chandramouli, Gadisetti V. R.;
Ogawa, Yukihiro;
Matsumoto, Shingo;
Krishna, Murali C.;
Subramanian, Sankaran

Publication type:

Article

Effect of body temperature on the pharmacokinetics of a triarylmethyl-type paramagnetic contrast agent used in EPR oximetry.

Published in:

Magnetic Resonance in Medicine, 2018, v. 79, n. 2, p. 1212, doi. 10.1002/mrm.27008

By:

Matsumoto, Ken‐ichiro;
Hyodo, Fuminori;
Mitchell, James B.;
Krishna, Murali C.

Publication type:

Article

Brain contrasting ability of blood-brain-barrier-permeable nitroxyl contrast agents for magnetic resonance redox imaging.

Published in:

Magnetic Resonance in Medicine, 2016, v. 76, n. 3, p. 935, doi. 10.1002/mrm.25918

By:

Matsumoto, Ken‐ichiro;
Yamasaki, Toshihide;
Nakamura, Mizuki;
Ishikawa, Junji;
Ueno, Megumi;
Nakanishi, Ikuo;
Sekita, Aiko;
Ozawa, Yoshikazu;
Kamada, Tadashi;
Aoki, Ichio;
Yamada, Ken‐ichi

Publication type:

Article

DTPA-Bound Planar Catechin with Potent Antioxidant Activity Triggered by Fe 3+ Coordination.

Published in:

Antioxidants, 2023, v. 12, n. 2, p. 225, doi. 10.3390/antiox12020225

By:

Fukuhara, Kiyoshi;
Nakanishi, Ikuo;
Imai, Kohei;
Mizuno, Mirei;
Matsumoto, Ken-ichiro;
Ohno, Akiko

Publication type:

Article

Effect of Magnesium Ion on the Radical-Scavenging Rate of Pterostilbene in an Aprotic Medium: Mechanistic Insight into the Antioxidative Reaction of Pterostilbene.

Published in:

Antioxidants, 2022, v. 11, n. 2, p. 340, doi. 10.3390/antiox11020340

By:

Nakanishi, Ikuo;
Shoji, Yoshimi;
Ohkubo, Kei;
Ueno, Megumi;
Shimoda, Kei;
Matsumoto, Ken-ichiro;
Fukuhara, Kiyoshi;
Hamada, Hiroki

Publication type:

Article