Ami Kawamoto, Kento Takenaka, Shuji Hibiya, Yoshio Kitazume, Hiromichi Shimizu, Toshimitsu Fujii, Eiko Saito, Kazuo Ohtsuka, Ryuichi Okamoto. Combination of leucine-rich alpha-2 glycoprotein and fecal markers detect Crohn's disease activity confirmed by balloon-assisted enteroscopy. Intest Res. 2023.11; Online ahead of print ( PubMed, DOI )

Kento Takenaka, Ami Kawamoto, Yoshio Kitazume, Toshimitsu Fujii, Yumi Udagawa, Hiromichi Shimizu, Shuji Hibiya, Masakazu Nagahori, Kazuo Ohtsuka, Mamoru Watanabe, Ryuichi Okamoto. Transmural Remission Characterized by High Biologic Concentrations Demonstrates Better Prognosis in Crohn's Disease. J Crohns Colitis. 2023.06; 17 (6): 855-862. ( PubMed, DOI )

Kento Takenaka, Yoshio Kitazume, Ami Kawamoto, Toshimitsu Fujii, Yumi Udagawa, Ryosuke Wanatabe, Hiromichi Shimizu, Shuji Hibiya, Masakazu Nagahori, Kazuo Ohtsuka, Hiroyuki Sato, Akihiro Hirakawa, Mamoru Watanabe, Ryuichi Okamoto. Serum Leucine-Rich α2 Glycoprotein: A Novel Biomarker for Transmural Inflammation in Crohn's Disease. Am J Gastroenterol. 2023.06; 118 (6): 1028-1035. ( PubMed, DOI )

Fujiwara S, Kawamoto A, Motobayashi M, Hibiya S, Takenaka K, Shimizu H, Saito E, Fujii T, Nagahori M, Kawata D, Umezawa N, Hosoya T, Yasuda S, Ohtsuka K, Okamoto R. Hemorrhagic gastric ulcer in a patient with Behcet's disease successfully treated with infliximab. DEN open. 2023.04; 3 (1): e196. ( PubMed, DOI )

Satoshi Watanabe, Nobuhiko Ogasawara, Sakurako Kobayashi, Sakura Kirino, Masami Inoue, Yui Hiraguri, Sayaka Nagata, Hiromichi Shimizu, Go Ito, Tomohiro Mizutani, Yasuhiro Nemoto, Kiichiro Tsuchiya, Ryuichi Okamoto, Mamoru Watanabe, Shiro Yui. Organoids transplantation as a new modality to design epithelial signature to create a membrane-protective sulfomucin-enriched segment. J Gastroenterol. 2023.04; 58 (4): 379-393. ( PubMed, DOI )

Eiko Saito, Kazuo Ohtsuka, Ami Kawamoto, Toshimitsu Fujii, Kento Takenaka, Shuji Hibiya, Hiromichi Shimizu, Masakazu Nagahori, Shohei Tomii, Ryuichi Okamoto. A case of venous stasis colitis possibly caused by eplerenone. Clin J Gastroenterol. 2023.02; 16 (1): 69-72. ( PubMed, DOI )

Ryuichi Okamoto, Tomohiro Mizutani, Hiromichi Shimizu. Development and Application of Regenerative Medicine in Inflammatory Bowel Disease. Digestion. 2023; 104 (1): 24-29. ( PubMed, DOI )

Sakurako Kobayashi, Nobuhiko Ogasawara, Satoshi Watanabe, Yosuke Yoneyama, Sakura Kirino, Yui Hiraguri, Masami Inoue, Sayaka Nagata, Yoshimi Okamoto-Uchida, Satoshi Kofuji, Hiromichi Shimizu, Go Ito, Tomohiro Mizutani, Shinichi Yamauchi, Yusuke Kinugasa, Yoshihito Kano, Yasuhiro Nemoto, Mamoru Watanabe, Kiichiro Tsuchiya, Hiroshi Nishina, Ryuichi Okamoto, Shiro Yui. Collagen type I-mediated mechanotransduction controls epithelial cell fate conversion during intestinal inflammation. Inflamm Regen. 2022.11; 42 (1): 49. ( PubMed, DOI )

Shuji Hibiya, Kazuo Ohtsuka, Kento Takenaka, Ami Kawamoto, Yusuke Matsuyama, Yumi Udagawa, Maiko Motobayashi, Hiromichi Shimizu, Toshimitsu Fujii, Eiko Saito, Masakazu Nagahori, Ryuichi Okamoto, Mamoru Watanabe. Mucosal healing of small intestinal stricture is associated with improved prognosis post-dilation in Crohn's disease. BMC Gastroenterol. 2022.05; 22 (1): 218. ( PubMed, DOI )

Hiromichi Shimizu, Toshimitsu Fujii, Kenji Kinoshita, Ami Kawamoto, Shuji Hibiya, Kento Takenaka, Eiko Saito, Masakazu Nagahori, Kazuo Ohtsuka, Mamoru Watanabe, Ryuichi Okamoto. Intravenous tacrolimus is a superior induction therapy for acute severe ulcerative colitis compared to oral tacrolimus. BMC Gastroenterol. 2021.12; 21 (1): 494. ( PubMed, DOI )

Reiko Kuno, Go Ito, Ami Kawamoto, Yui Hiraguri, Hady Yuki Sugihara, Sayaka Takeoka, Sayaka Nagata, Junichi Takahashi, Mao Tsuchiya, Sho Anzai, Tomohiro Mizutani, Hiromichi Shimizu, Shiro Yui, Shigeru Oshima, Kiichiro Tsuchiya, Mamoru Watanabe, Ryuichi Okamoto. Notch and TNF-α signaling promote cytoplasmic accumulation of OLFM4 in intestinal epithelium cells and exhibit a cell protective role in the inflamed mucosa of IBD patients. Biochem Biophys Rep. 2021.03; 25 100906. ( PubMed, DOI )

Shuji Hibiya, Yusuke Matsuyama, Toshimitsu Fujii, Chiaki Maeyashiki, Eiko Saito, Kimiko Ito, Hiromichi Shimizu, Ami Kawamoto, Maiko Motobayashi, Kento Takenaka, Masakazu Nagahori, Masayuki Kurosaki, Tsunehito Yauchi, Kazuo Ohtsuka, Takeo Fujiwara, Ryuichi Okamoto, Mamoru Watanabe. 5-aminosalicylate-intolerant patients are at increased risk of colectomy for ulcerative colitis. Aliment Pharmacol Ther. 2021.01; 53 (1): 103-113. ( PubMed, DOI )

Hiromichi Shimizu, Toshimitsu Fujii, Shuji Hibiya, Maiko Motobayashi, Kohei Suzuki, Kento Takenaka, Eiko Saito, Masakazu Nagahori, Kazuo Ohtsuka, Mamoru Watanabe. Rapid prediction of 1-year efficacy of tofacitinib for treating refractory ulcerative colitis. Intest Res. 2020.06; Online ahead of print.. ( PubMed, DOI )

Kento Takenaka, Toshimitsu Fujii, Kohei Suzuki, Hiromichi Shimizu, Maiko Motobayashi, Shuji Hibiya, Eiko Saito, Masakazu Nagahori, Mamoru Watanabe, Kazuo Ohtsuka. Small Bowel Healing Detected by Endoscopy in Patients With Crohn's Disease After Treatment With Antibodies Against Tumor Necrosis Factor. Clin. Gastroenterol. Hepatol.. 2019.08; ( PubMed, DOI )

Hiromichi Shimizu, Kohei Suzuki, Mamoru Watanabe, Ryuichi Okamoto. Stem cell-based therapy for inflammatory bowel disease. Intest Res. 2019.07; 17 (3): 311-316. ( PubMed, DOI )

Ami Kawamoto, Sayaka Nagata, Sho Anzai, Junichi Takahashi, Mao Kawai, Minami Hama, Daichi Nogawa, Kohei Yamamoto, Reiko Kuno, Kohei Suzuki, Hiromichi Shimizu, Yui Hiraguri, Shiro Yui, Shigeru Ohshima, Kiichiro Tsuchiya, Tetsuya Nakamura, Kazuo Ohtsuka, Masanobu Kitagawa, Ryuichi Okamoto, Mamoru Watanabe. Ubiquitin D is up-regulated by synergy of Notch signalling and TNF-α in the inflamed intestinal epithelia of IBD patients. J Crohns Colitis. 2018.11; ( PubMed, DOI )

Kohei Suzuki, Tatsuro Murano, Hiromichi Shimizu, Go Ito, Toru Nakata, Satoru Fujii, Fumiaki Ishibashi, Ami Kawamoto, Sho Anzai, Reiko Kuno, Konomi Kuwabara, Junichi Takahashi, Minami Hama, Sayaka Nagata, Yui Hiraguri, Kento Takenaka, Shiro Yui, Kiichiro Tsuchiya, Tetsuya Nakamura, Kazuo Ohtsuka, Mamoru Watanabe, Ryuichi Okamoto. Single cell analysis of Crohn's disease patient-derived small intestinal organoids reveals disease activity-dependent modification of stem cell properties. J. Gastroenterol.. 2018.09; 53 (9): 1035-1047. ( PubMed, DOI )

Michael G Kattah, Ling Shao, Yenny Y Rosli, Hiromichi Shimizu, Michael I Whang, Rommel Advincula, Philip Achacoso, Sanjana Shah, Bao H Duong, Michio Onizawa, Priscilia Tanbun, Barbara A Malynn, Averil Ma. A20 and ABIN-1 synergistically preserve intestinal epithelial cell survival. J. Exp. Med. 2018.07; 215 (7): 1839-1852. ( PubMed, DOI )

Fumiaki Ishibashi, Hiromichi Shimizu, Toru Nakata, Satoru Fujii, Kohei Suzuki, Ami Kawamoto, Sho Anzai, Reiko Kuno, Sayaka Nagata, Go Ito, Tatsuro Murano, Tomohiro Mizutani, Shigeru Oshima, Kiichiro Tsuchiya, Tetsuya Nakamura, Mamoru Watanabe, Ryuichi Okamoto. Contribution of ATOH1+ Cells to the Homeostasis, Repair, and Tumorigenesis of the Colonic Epithelium. [Epub ahead of print] Stem Cell Reports. 2017.12; ( PubMed, DOI )

Toru Nakata, Hiromichi Shimizu, Sayaka Nagata, Go Ito, Satoru Fujii, Kohei Suzuki, Ami Kawamoto, Fumiaki Ishibashi, Reiko Kuno, Sho Anzai, Tatsuro Murano, Tomohiro Mizutani, Shigeru Oshima, Kiichiro Tsuchiya, Tetsuya Nakamura, Katsuto Hozumi, Mamoru Watanabe, Ryuichi Okamoto. Data showing proliferation and differentiation of intestinal epithelial cells under targeted depletion of Notch ligands in mouse intestine. Data Brief. 2017.02; 10 551-556. ( PubMed, DOI )

Toru Nakata, Hiromichi Shimizu, Sayaka Nagata, Go Ito, Satoru Fujii, Kohei Suzuki, Ami Kawamoto, Fumiaki Ishibashi, Reiko Kuno, Sho Anzai, Tatsuro Murano, Tomohiro Mizutani, Shigeru Oshima, Kiichiro Tsuchiya, Tetsuya Nakamura, Katsuto Hozumi, Mamoru Watanabe, Ryuichi Okamoto. Indispensable role of Notch ligand-dependent signaling in the proliferation and stem cell niche maintenance of APC-deficient intestinal tumors. Biochem. Biophys. Res. Commun.. 2017.01; 482 (4): 1296-1303. ( PubMed, DOI )

Satoru Fujii, Kohei Suzuki, Ami Kawamoto, Fumiaki Ishibashi, Toru Nakata, Tatsuro Murano, Go Ito, Hiromichi Shimizu, Tomohiro Mizutani, Shigeru Oshima, Kiichiro Tsuchiya, Tetsuya Nakamura, Akihiro Araki, Kazuo Ohtsuka, Ryuichi Okamoto, Mamoru Watanabe. PGE2 is a direct and robust mediator of anion/fluid secretion by human intestinal epithelial cells. Sci Rep. 2016.11; 6 36795. ( PubMed, DOI )

Toshimitsu Fujii, Shuji Hibiya, Chiaki Maeyashiki, Eiko Saito, Kento Takenaka, Maiko Motobayashi, Hiromichi Shimizu, Masakazu Nagahori, Kazuo Ohtsuka, Masayuki Kurosaki, Tsunehito Yauchi, Mamoru Watanabe. Intolerance to 5-aminosalicylate is a risk of poor prognosis in Ulcerative colitis patients.. ECCO2020 2020.02.14 Vienna（Austria）

Eiko Saito, Kohei Suzuki, Shuuji Hibiya, Maiko Motobayashi, Kento Takenaka, Nobukatsu Horita, Hiromichi Shimizu, Michio Onizawa, Toshimitsu Fujii, Masakazu Nagahori, Kazuo Ohtsuka, Mamoru Watanabe. The clinical efficacy of ustekinumab (UST) in patients with Crohn’s disease (CD). AOCC2019 2019.06.15 台北

Kento Takenaka, Kazuo Ohtsuka, Toshimitsu Fujii, Kohei Suzuki, Hiromichi Shimizu, Maiko Motobayashi, Shuji Hibiya, Eiko Saito, Masakazu Nagahori, Mamoru Watanabe. Small bowel endoscopic healing of Crohn’s disease treated with anti-TNF antibodies. The 7th Annual Meeting of Asian Organization for Crohn's and Colitis (AOCC 2019) 2019.06.15 台北

Kawai M, Hama M, Nagata S, Kawamoto A, Suzuki K, Shimizu H, Anzai S, Takahashi J, Kuno R, Takeoka S, Hiraguri Y, Yui S, Okamoto R, Watanabe M. Functional analysis of isoflavones using patient-derived intestinal organoids. AOCC2019 2019.06.14 Taipei（Taiwan）

Ryuichi Okamoto, Mao Kawai, Minami Hama, Sayaka Nagata, Ami Kawamoto, Kohei Suzuki, Hiromichi Shimizu, Sho Anzai, Junichi Takahashi, Reiko Kuno, Sayaka Takeoka, Yui Hiraguri, Shiro Yui, Mamoru Watanabe. 【The 6th JSGE International Topic Conference　Lifestyle-related Diseases in Gastroenterology】Gastrointestinal tract（role of gut microbiome and diet）. 第105回 日本消化器病学会総会 2019.05.10 ホテル日航金沢（石川県金沢市）

Kawamoto A, Nagata S, Anzai S, Takahashi J, Kawai M, Hama M, Nogawa D, Yamamoto K, Kuno R, Suzuki K, Shimizu H, Hiraguri Y, Yui S, Oshima S, Tsuchiya K, Nakamura T, Ohtsuka K, Kitagawa M, Okamoto R, Watanabe M. Synergy of Notch signalling and TNF-α in the inflamed intestinal epithelia of IBD patients leads to up-regulation of UBD, a ubiquitin-like protein. ECCO2019 2019.03.08 Copenhagen（Denmark）

Suzuki K, Shimizu H, Kawai M, Takahashi J, Anzai S, Kawamoto A, Nagata S, Hiraguri Y, Yui S, Tsuchiya K, Nakamura T, Ohtsuka K, Okamoto R, Watanabe M . UC-related and segment-specific properties of patientderived colonic organoids. ECCO2019 2019.03.07 Copenhagen（Denmark）

齊藤詠子、秋山慎太郎、鈴木康平、本林麻衣子、竹中健人、清水寛路、鬼澤道夫、藤井俊光、長堀正和、大塚和朗、渡辺　守. クローン病における抗TNF-α抗体二次無効時のウステキヌマブの治療成績について. 第9回日本炎症性腸疾患学会学術集会 2018.11.22 メルパルク京都（京都府京都市）

Kuwabara K, Ishibashi F, Kawamoto A, Anzai S, Takahashi J, Nagata S, Shimizu H, Yui S, Oshima S, Tsuchiya K, Nakamura T, Watanabe M, Okamoto R. Long-lived secretory cells residing in the Mouse proximal colon serve as reserve stem cells Under DNA damage-induced mucosal injury. UEGW 2018 2018.10.22 Vienna（Austria）

Ishibashi F, Kuwabara K, Kawamoto A, Anzai S, Takahashi J, Nagata S, Shimizu H, Yui S, Oshima S, Tsuchiya K, Nakamura T, Watanabe M, Okamoto R. Ectopic expression of reg3a in the mice distal Colon is mediated by interactions between notch and Il-22 signaling pathways, and promotes tissue repair By the augmentation of EGFR signaling. UEGW 2018 2018.10.22 Vienna（Austria）

Suzuki K, Takahashi J, Hiraguri Y, Yui S, Shimizu H, Tsuchiya K, Nakamura T, Ohtsuka K, Okamoto R, Watanabe M. . Crohn’s disease patient-derived small intestinal organoids reveal diseasestatus related modification of stem cell properties.. 5th TERMIS World Congress 2018 2018.09.07 Kyoto（JAPAN）

Suzuki K, Murano T, Hiraguri Y, Takahashi J, Shimizu H,Anzai S, Kuwabara K, Kawamoto A, Ishibashi F, Yui S, Tsuchiya K, Nakamura T, Ohtsuka K, Watanabe M, Okamoto R... Crohn’s disease patient-derived small intestinal organoids reveal disease-status related modification of stem cell properties.. 5th TERMIS World Congress 2018 2018.09.06 Kyoto（JAPAN）

Saito　E, Suzuki K, Shimizu H, Motobayashi M, Takenaka K, Onizawa M, Fujii T, Nagahori M, Ohtsuka K, Watanabe M. The clinical efficacy of switching cases between Infliximab(IFX) andAdalimumab(ADA) in patients with ulcerative colitis. AOCC2018 2018.06.22 Shanghai

Ishibashi F, Shimizu H, Kawamoto A, Suzuki K, Anzai S, Kuwabara K, Takahashi J, Nagata S, Oshima S, Tsuchiya K, Nakamura T, Watanabe M, Okamoto R. Mouse colonic secretory cells de-differentiate into intestinal stem cells and promote mucosal repair through activation of NF-KB signalin. ISSCR2018 2018.06.20 Melbourne

A. Kawamoto G. Ito T. Nakata S. Fujii K. Suzuki F. Ishibashi H. Shimizu S. Nagata S. Anzai R. Kuno K. Kuwabara M. Kawai J. Takahashi M. Hama K. Tsuchiya T. Nakamura R. Okamoto M. Watanabe. The ubiquitin-like protein ubiquitin d is up-regulated by synergy of notch and pro-inflammatory cytokines in the inflamed intestinal epithelia of ibd patients.. UEGW2017 (欧州消化器病学会週間2017） 2017.11.01 Barcelona(Spain)

F. Ishibashi H. Shimizu A. Kawamoto G. Ito T. Nakata S. Fujii K. Suzuki R. Kuno S. Anzai K. Kuwabara M. Kawai J. Takahashi M. Hama S. Nagata K. Tsuchiya T. Nakamura R. Okamoto M. Watanabe. Reprogrammed Atoh1+ intestinal epithelial cells contribute to regenerate damaged colonic mucosa in DSS-induced colitis. UEGW2017 (欧州消化器病学会週間2017） 2017.11.01 Barcelona(Spain)

Kawamoto A, Ito G, Nakata T, Fujii S, Suzuki K, Ishibashi F, Shimizu H, Tsuchiya K, Nakamura T, Okamoto R, Watanabe M. Synergy of Notch signaling and pro-inflammatory cytokines leads to up-regulation of UBD in the inflamed intestinal epithelia of IBD patients. The 5th Annual Meeting of Asian Organization for Crohn's and Colitis 2017.06.16 Seoul, Korea

Fumiaki Ishibashi, Hiromichi Shimizu, Toru Nakata, Satoru Fujii, Kohei Suzuki, Ami Kawamoto, Sho Anzai, Reiko Kuno, Sayaka Nagata, Go Ito, Tatsuro Murano, Tomohiro Mizutani, Shigeru Oshima, Kiichiro Tsuchiya, Tetsuya Nakamura, Ryuichi Okamoto, Mamoru Watanabe. Lineage tracing reveals contribution of atoh1+ cell-derived stem cells in the homeostasis, repair, and carcinogenesis of the intestinal epithelium. DDW2017 2017.05.09 Chicago(USA)

Kawamoto A, Nakata T, Fujii S, Suzuki K, Ishibashi F, Shimizu H, Tsuchiya K, Nakamura T, Okamoto R, Watanabe M. Notch signaling and TNF-α synergistically up-regulate stem cell-specific genes, OLFM4 and UBD, in the inflamed intestinal epithelia of IBD patients. 2016 Advances in Inflammatory Bowel Diseases, Crohn’s & Colitis Foundation of America's Clinical & Research Conference (CCFA) 2016.12.10 Orlando, Florida

Kawamoto A, Ito G, Nakata T, Fujii S, Suzuki K, Ishibashi F, Shimizu H, Tsuchiya K, Nakamura T, Okamoto R, Watanabe M. OLFM4 and UBD are up-regulated in the inflamed intestinal epithelia of IBD patients by synergy of Notch signaling and TNF-α. AOCC2016 2016.07.07 Kyoto International Conference Center, Kyoto（JAPAN）

Hiromichi Shimizu, Ryuichi Okamoto, Go Ito, Satoru Fujii, Toru Nakata, Kohei Suzuki, Tatsuro Murano, Tomohiro Mizutani, Kiichiro Tsuchiya, Tetsuya Nakamura, Katsuto Hozumi, Mamoru Watanabe. Distinct Expression Patterns of Notch Ligands, DLL1 and DLL4, in Normal and Inflamed Mice Intestine. The 2nd Annual Meeting of Asian Organization for Crohn's and Colitis 2014.06.21 Seoul