Osawa Hiroyuki

オオサワヒロユキ | Osawa Hiroyuki

Affiliation and department：
Job title： Visiting Professor
Homepage URL (1)： http://kaken.nii.ac.jp/d/r/70260833.ja.html

Research field (1)： Gastroenterology

Research keywords (29)：膵管鏡 , 膵直視下生検 , 腸上皮化生 , トランスジェニックマウス , 転写因子 , 胃癌 , Helicobacter pylori , CDX , Math 1 , Sonic Hedgehog , CDX1 , Cdx2 , 小腸 , SHH , 通性菌 , CDX 1,2 , スルファチド , 分化型胃癌 , ペリコバクターピロリ , 小腸ダブルバルーン内視鏡検査 , miRNA , 接着 , アドヘシン , 小腸細菌叢 , siRNA , 嫌気性菌 , COX2 , 細菌叢 , 嫌気培養

Research theme for competitive and other funds (7)：

2006 - 2007 ヒト小腸の細菌叢と病態における変態
2006 - 2007 Studies on the molecular mechanisms leading to development of intestinal metaplasia
2004 - 2005 To clarify the mechanism of the development of gastric well differentiated carcinoma from intestinal metaplasia
2004 - 2005 Study on the mechanism of development of differentiated adenocarcinoma from intestinal metaplasia
2001 - 2002 Generation of intestinal metaplasia by ectopic expression of Cdx1 and Cdx2

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Papers (65)：

Satoshi Shinozaki, Hiroyuki Osawa, Yoshimasa Miura, Hiroaki Nomoto, Hirotsugu Sakamoto, Yoshikazu Hayashi, Tomonori Yano, Edward J Despott, Hironori Yamamoto. Endoscopic findings and outcomes of gastric mucosal changes relating to potassium-competitive acid blocker and proton pump inhibitor therapy. DEN open. 2025. 5. 1. e400
Satoshi Shinozaki, Hiroyuki Osawa, Yoshimasa Miura, Hirotsugu Sakamoto, Yoshikazu Hayashi, Tomonori Yano, Edward J Despott, Hironori Yamamoto. The presence of hiatal hernia is a significant predictor for symptomatic recurrence after cessation of vonoprazan therapy for gastroesophageal reflux disease: a long-term observational study. Scandinavian journal of gastroenterology. 2024. 59. 8. 893-899
Yoshimasa Miura, Hisashi Fukuda, Takashi Ueno, Yoshikazu Hayashi, Hiroyuki Osawa, Alan Kawarai Lefor, Hironori Yamamoto. Endoscopic submucosal dissection of gastric neoplasms with severe fibrosis using a new thin-therapeutic endoscope and a dedicated conical cap. Endoscopy. 2023. 55. S 01. E872-E873
Satoshi Shinozaki, Hiroyuki Osawa, Yoshikazu Hayashi, Yoshimasa Miura, Hirotsugu Sakamoto, Tomonori Yano, Alan Kawarai Lefor, Hironori Yamamoto. Vonoprazan Therapy is as Effective for Functional Dyspepsia without Heartburn as Acotiamide Therapy. Journal of gastrointestinal and liver diseases : JGLD. 2023. 32. 1. 23-29
大澤博之, 三浦義正, 井野裕治, 高橋治夫, 岩下ちひろ, 野本佳恵, 上野貴, 福田久, 山本博徳. 【進化し続けるIEE】総論 IEE 原理と臨床応用を俯瞰する BLI・LCI. 消化器内視鏡. 2023. 35. 3. 290-298

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MISC (92)：

三浦義正, 大澤博之, 平岡友二, 福田久, 坂口美織, 山本博徳. 【胃癌内視鏡診断の最新ムーブメント-H.pylori陰性胃癌のすべて】LCIによる除菌後胃癌の拾い上げ診断. 消化器内視鏡. 2022. 34. 2. 197-199
大澤博之, 竹澤敬人, 三浦義正, 井野裕治, 岩下ちひろ, 高橋治夫, 福田久, 野本佳恵, 林芳和, 山本博徳. 【最新の内視鏡を使いこなす】注目の画像強調内視鏡を使いこなす LCI(Linked Color Imaging) その原理と臨床応用. 消化器内視鏡. 2021. 33. 8. 1232-1239
Yuji Hiraoka, Yoshimasa Miura, Hiroyuki Osawa, Mio Sakaguchi, Masato Tsunoda, Alan Kawarai Lefor, Hironori Yamamoto. Linked color imaging demonstrates characteristic findings in semi-pedunculated gastric adenocarcinoma in helicobacter pylorinegative normal mucosa. Clinical Endoscopy. 2021. 54. 1. 136-138
三浦義正, 大澤博之, 福田久, 井野裕治, 山本博徳. 【臨床医に必要な対策型胃内視鏡検診の知識】胃内視鏡検診におけるLCIの有用性について. 消化器内視鏡. 2019. 31. 12. 1813-1817
坂口美織, 三浦義正, 池田恵理子, 大澤博之, 福嶋敬宜. ヘリコバクターピロリ除菌後発見胃癌の臨床病理学的特徴. 日本病理学会会誌. 2019. 108. 1. 370-371

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Work history (1)：

2006 - 2007 Jichi Medical University School of Medicine

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