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Ryuji Okamoto

National Cancer Center Hospital East

22H-index
136Paper Count
2.0KCitation Count
Published Papers 52
Publication Date
Proportion of Screen-Detected Gastrointestinal Cancers From the National Cancer Registry in Japan
err2026-09-01
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errRyuji Okamoto; Yukai Lu; Taisuke Ishii; Tomio Nakayama; Kensuke Shinmura; Tomonori Yano; Motoki Iwasaki
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VEGF-C-mediated cardiac lymphangiogenesis promotes inflammation resolution in autoimmune acute myocarditis in mice
err2026-04-01
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PREAI
errNakanishi, Nanako; Hara, Shigeru; Nagaharu, Keiki; Matsuyama, Ryo; Fujita, Soyoka; Nakamori, Shiro; Okamoto, Ryuji; Dohi, Kaoru; Hiroe, Michiaki; Imanaka-Yoshida, Kyoko; Maruyama, Kazuaki
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Impact of autonomous cortisol secretion on adrenal venous sampling with and without ACTH stimulation in patients with primary aldosteronism
err2026-02-01
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PREAI
errWada, Norio; Miyoshi, Arina; Yamamoto, Koichi; Kakutani, Miki; Tsuiki, Mika; Tanabe, Akiyo; Katabami, Takuyuki; Yoneda, Takashi; Takahashi, Katsutoshi; Izawa, Shoichiro; Kobayashi, Hiroki; Kamemura, Kohei; Watanabe, Minemori; Okamoto, Ryuji; Goto, Hiromasa; Tamura, Kouichi; Naruse, Mitsuhide; Yokota, Kenichi; Sone, Masakatsu
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Impacts of the use of chemiluminescent enzyme immunoassay-measured plasma aldosterone concentration in the diagnostic process of unilateral primary aldosteronism: a real-world multicenter study in Japan
err2026-02-01
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PREAI
errIzawa, Shoichiro; Matsumoto, Kazuhisa; Kadowaki, Kanako; Nakamura, Toshifumi; Wada, Norio; Katabami, Takuyuki; Nozato, Yoichi; Okamoto, Ryuji; Ichijo, Takamasa; Taura, Daisuke; Murakami, Masanori; Kakutani, Miki; Yoneda, Takashi; Watanabe, Minemori; Takahashi, Yutaka; Okamura, Shintaro; Takahashi, Katsutoshi; Kobayashi, Hiroki; Naruse, Mitsuhide; Yokota, Kenichi; Sone, Masakatsu
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An Uncommon Cause of Refractory Chronic Diarrhea
err2025-12-13
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PREAI
errTaiki Nishiba; Kaoru Dohi; Ryuji Okamoto
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HCN4 Short Truncation Mutation in a Family With 'Cardiomyopathy' Showing Severe Mitral Valve Prolapse and Sick Sinus Syndrome
err2025-11-01
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PREAI
errHirota, Yumi; Okamoto, Ryuji; Nakamori, Shiro; Kuramoto, Yuki; Moriwaki, Keishi; Kagawa, Yoshihiko; Asano, Yoshihiro; Sakata, Yasushi; Dohi, Kaoru
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Dotinurad, a Novel Urate Reabsorption Inhibitor, Prolongs Survival in Alport Mice
err2025-10-01
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PREAI
errSaiki, Ryosuke; Katayama, Kan; Mori, Mutsuki; Kimena, Lupiya; Oda, Keiko; Suzuki, Yasuo; Murata, Tomohiro; Okamoto, Ryuji; Dohi, Kaoru
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Case report: Severe arrhythmogenic cardiomyopathy in a young girl with compound heterozygous DSG2 and MYBPC3 variants with a 6-year follow-up
err2025-03-06
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errHashizume, Ryotaro; Imai, Hiroshi; Ohashi, Hiroyuki; Sawada, Hirofumi; Yodoya, Noriko; Okamoto, Ryuji; Dohi, Kaoru; Kasai, Chika; Kitajima, Takahito; Fujiwara, Takumi; Mochiki, Ikuyo; Nakatani, Kaname; Wakita, Sachiko; Ohno, Seiko; Kato, Koichi; Okugawa, Yoshinaga; Mitani, Yoshihide; Hirayama, Masahiro
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Contemporary clinical characteristics and management patterns in hypertrophic cardiomyopathy: insights from baseline enrolment data in a nationwide prospective Japanese registry
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IF4.4
err2025-03-01
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PREAI
errKubo, Toru; Sugiura, Kenta; Tokita, Yukichi; Takano, Hitoshi; Takamisawa, Itaru; Takayama, Morimasa; Doi, Yoshinori L.; Minami, Yuichiro; Shirotani, Shota; Ebato, Mio; Tsujiuchi, Miki; Nabeta, Takeru; Inomata, Takayuki; Kato, Takao; Okamoto, Ryuji; Dohi, Kaoru; Takei, Yasuyoshi; Chikamori, Taishiro; Watanabe, Eiichi; Furugen, Azusa; Doi, Hirosato; Akita, Keitaro; Maekawa, Yuichiro; Ogimoto, Akiyoshi; Tada, Norio; Yokota, Takashi; Ikeda, Shuntaro; Yamaguchi, Osamu; Izumiya, Yasuhiro; Shibata, Atsushi; Takashio, Seiji; Tsujita, Kenichi; Maejima, Yasuhiro; Fujino, Noboru; Nomura, Akihiro; Akasaki, Yuichi; Higuchi, Koji; Fujita, Shuichi; Hoshiga, Masaaki; Shiraishi, Yasuyuki; Ieda, Masaki; Miyamoto, Yuya; Kitaoka, Hiroaki
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MRPL44 Plays an Important Role in Cardiac Hypertrophy and Function
err2024-11-12
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PREAI
errOkamoto, Ryuji; Ye, Zhe; Ito, Rie; Moriwaki, Keishi; Ito, Hiromasa; Kimena, Lupiya; Ida, Mizuki; Dohi, Kaoru
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C-C motif chemokine receptor-2 disruption Synergizes with Phosphodiesterase Type 5 Inhibition in Ameliorating Pulmonary Hypertension in Monocrotaline-treated Rats: Proof-of-Concept Study for a Combination therapy and Potential Mechanisms
err2024-11-12
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PREAI
errTsuboya, Naoki; Mitani, Yoshihide; Sawada, Hirofumi; Takeoka, Mami; Ohya, Kazunobu; Oshita, Hironori; Yodoya, Noriko; Ohashi, Hiroyuki; Maruyama, Junko; Okamoto, Ryuji; Mashimo, Tomoji; Dohi, Kaoru; Nishimura, Yuhei; Maruyama, Kazuo; Hirayama, Masahiro
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MRPL44 haploinsufficient mouse spontaneously develops hypertrophic cardiomyopathy and shows systolic dysfunction after aldosterone treatment
err2024-10-28
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PREAI
errOkamoto, R.; Ye, Z.; Ito, R.; Moriwaki, K.; Ito, H.; Kimena, L.; Ichikawa, M.; Dohi, K.
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Possibility of determining high quantitative fecal occult blood on stool surface using hyperspectral imaging
err2024-10-23
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errIkematsu, Hiroaki; Takara, Yohei; Nishihara, Keiichiro; Kano, Yuki; Owaki, Yuji; Okamoto, Ryuji; Fujiwara, Takahisa; Takamatsu, Toshihiro; Yamada, Masayuki; Tomioka, Yutaka; Takeshita, Nobuyoshi; Inaba, Atsushi; Sunakawa, Hironori; Nakajo, Keiichiro; Murano, Tatsuro; Kadota, Tomohiro; Shinmura, Kensuke; Koga, Yoshikatsu; Yano, Tomonori
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Myosin Light Chain Phosphatase Plays an Important Role in Cardiac Fibrosis in a Model of Mineralocorticoid Receptor-Associated Hypertension
err2024-03-05
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errYe, Zhe; Okamoto, Ryuji; Ito, Hiromasa; Ito, Rie; Moriwaki, Keishi; Ichikawa, Mizuki; Kimena, Lupiya; Ali, Yusuf; Ito, Masaaki; Gomez-Sanchez, Celso E.; Dohi, Kaoru
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Cardiac-Specific Knockout of Myosin Phosphatase Targeting Subunit 2 Prevents Cardiac Fibrosis in a Connective Tissue Growth Factor-Dependent Manner in Mineralocorticoid Receptor-Related Hypertension Mice
err2023-11-07
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PREAI
errYe, Zhe; Okamoto, Ryuji; Ito, Hiromasa; Ito, Rie; Moriwaki, Keishi; Ida, Mizuki; Kimena, Lupiya; Ali, Yusuf; Gomez-Sanchez, Celso E.; Ito, Masaaki; Dohi, Kaoru
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Role of BMPR2 Mutation in the Development of RV Failure in Rat Experimental Pulmonary Hypertension
err2023-11-07
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PREAI
errOhya, Kazunobu; Sawada, Hirofumi; Mitani, Yoshihide; Tsuboya, Naoki; Takeoka, Mami; Yodoya, Noriko; Ohashi, Hiroyuki; Ito, Hiromasa; Okamoto, Ryuji; Dohi, Kaoru; Mashimo, Tomoji; Maruyama, Kazuo; Hirayama, Masahiro
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A hyperaldosteronism subtypes predictive model using ensemble learning
err2023-02-21
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errKarashima, Shigehiro; Kawakami, Masaki; Nambo, Hidetaka; Kometani, Mitsuhiro; Kurihara, Isao; Ichijo, Takamasa; Katabami, Takuyuki; Tsuiki, Mika; Wada, Norio; Oki, Kenji; Ogawa, Yoshihiro; Okamoto, Ryuji; Tamura, Kouichi; Inagaki, Nobuya; Yoshimoto, Takanobu; Kobayashi, Hiroki; Kakutani, Miki; Fujita, Megumi; Izawa, Shoichiro; Suwa, Tetsuya; Kamemura, Kohei; Yamada, Masanobu; Tanabe, Akiyo; Naruse, Mitsuhide; Yoneda, Takashi; JPAS JRAS Study Grp
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Perinatal hypoxia aggravates occlusive pulmonary vasculopathy in SU5416/hypoxia-treated rats later in life
err2022-08-01
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PREAI
errOshita, Hironori; Sawada, Hirofumi; Mitani, Yoshihide; Tsuboya, Naoki; Kabwe, Jane C.; Maruyama, Junko; Yusuf, Ali; Ito, Hiromasa; Okamoto, Ryuji; Otsuki, Shoichiro; Yodoya, Noriko; Ohashi, Hiroyuki; Oya, Kazunobu; Kobayashi, Yuhko; Kobayashi, Issei; Dohi, Kaoru; Nishimura, Yuhei; Saitoh, Shinji; Maruyama, Kazuo; Hirayama, Masahiro
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