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Akihiko Oka

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Gastric Metastasis from Salivary Duct Carcinoma Mimicking Scirrhous Gastric Cancer

Creator	KISHIMOTO Kenichi \| SHIBAGAKI Kotaro \| ARAKI Asuka \| Murakami Kotaro \| TAKAHASHI Yusuke \| KOTANI Satoshi \| Akihiko Oka \| YAZAKI Tomotaka \| FUKUBA Nobuhiko \| MISHIMA Yoshiyuki \| Ohshima Naoki \| KAWASHIMA Kosaku \| Ishimura Norihisa \| 門田球一 \| ISHIHARA Shunji
Journal	Internal Medicine Volume 63 Issue 3 pp. 373 - 378
Date of Issued	published_at 2024-02-01

Multiple intraductal papillary neoplasms of bile duct diagnosed based on endoscopic ultrasonography and peroral cholangioscopy findings

Creator	Onoe Masaki \| FUKUBA Nobuhiko \| KODAMA Yasuhide \| Akihiko Oka \| KAWASHIMA Kosaku \| SHIBAGAKI Kotaro \| Ishimura Norihisa \| Kushiyama Yoshinori \| Uchida Yasushi \| Furukawa Toru \| ISHIHARA Shunji
Journal	Clinical Journal of Gastroenterology
Date of Issued	published_at 2024-06-06

KLF4 Mutation Shapes Pathologic Characteristics of Foveolar-Type Gastric Adenoma in Helicobacter pylori-Naive Patients

Creator	MISHIRO Tsuyoshi \| SHIBAGAKI Kotaro \| Fukuyama Chika \| KATAOKA Masatoshi \| Notsu Takumi \| Yamashita Noritsugu \| Akihiko Oka \| NAGASE Mamiko \| ARAKI Asuka \| KAWASHIMA Kosaku \| Ishimura Norihisa \| Maruyama Riruke \| Kinoshita Yoshikazu \| ISHIHARA Shunji
Journal	The American journal of pathology Volume 192 Issue 2 pp. 1250 - 1258
Date of Issued	published_at 2022-06-22

Dynamic ultrasonography for optimizing treatment position in superior mesenteric artery syndrome: Two case reports and review of literature Hasegawa N, Oka A, Awoniyi M, Yoshida Y, Tobita H, Ishimura N, Ishihara S. Dynamic ultrasonography for optimizing treatment position in superior mesenteric artery syndrome: Two case reports and review of literature

Creator	長谷川修明 \| Akihiko Oka \| Muyiwa Awoniyi \| YOSHIDA Yuri
Journal	World Journal of Gastroenterology Volume 30 Issue 5 pp. 499 - 508
Date of Issued	published_at 2024-02-07

Validation of rapid fecal calprotectin assay using particle enhanced turbidimetric immunoassay for inflammatory bowel disease

Creator	Akihiko Oka \| KAWASHIMA Kosaku \| KISHIMOTO Kenichi \| KOTANI Satoshi \| FUKUNAGA Mai \| FUKUBA Nobuhiko \| MISHIMA Yoshiyuki \| Ohshima Naoki \| Ishimura Norihisa \| Muyiwa Awoniyi \| ISHIHARA Shunji
Journal	Scientific Reports Volume 14
Date of Issued	published_at 2024-01-18

Superior mesenteric artery syndrome: Diagnosis and management

Creator	Oka A, Awoniyi M, Hasegawa N, Yoshida Y, Tobita H, Ishimura N, Ishihara S \| Akihiko Oka \| 長谷川修明 \| YOSHIDA Yuri \| Tobita Hiroshi \| Ishimura Norihisa \| ISHIHARA Shunji
Journal	World Journal of Clinical Cases Volume 11 Issue 15 pp. 3369 - 3384
Date of Issued

A New Dawn for the Use of Artificial Intelligence in Gastroenterology, Hepatology and Pancreatology

Creator	Akihiko Oka \| Ishimura Norihisa \| ISHIHARA Shunji
Journal	Diagnostics Volume 11 Issue 9
Date of Issued	published_at 2021-09-19

Capabilities of fecal calprotectin and blood biomarkers as surrogate endoscopic markers according to ulcerative colitis disease type

Creator	SONOYAMA Hiroki \| KAWASHIMA Kosaku \| ISHIHARA Shunji \| Kotani Satoshi \| Fukuba Nobuhiko \| Akihiko Oka \| Kusunoki Ryusaku \| Tada Yasumasa \| MISHIMA Yoshiyuki \| Ohshima Naoki \| MORIYAMA Ichiro \| Yuki Takafumi \| Onishi Koji \| Kinoshita Yoshikazu
Journal
Date of Issued	published_at 2019-3-6

Decreased production of interleukin-10 and transforming growth factor-beta in Toll-like receptor-activated intestinal B cells in SAMP1/Yit mice

Creator	MISHIMA Yoshiyuki \| ISHIHARA Shunji \| Aziz Md. Monowar \| Akihiko Oka \| Kusunoki Ryusaku \| Otani Aya \| Tada Yasumasa \| Li Yong-Yu \| MORIYAMA Ichiro \| Ohshima Naoki \| Yuki Takafumi \| Amano Yuji \| Matsumoto Satoshi \| Kinoshita Yoshikazu
Journal	IMMUNOLOGY Volume 131 Issue 4 pp. 473 - 487
Date of Issued	published_at 2010-12

Therapeutic Efficacy of pH-Dependent Release Formulation of Mesalazine on Active Ulcerative Colitis Resistant to Time-Dependent Release Formulation: Analysis of Fecal Calprotectin Concentration

Creator	KAWASHIMA Kosaku \| Ishihara Shunji \| Yuki Takafumi \| Onishi Koji \| Kushiyama Yoshinori \| Fujishiro Hirofumi \| Miyaoka Youichi \| Yuki Mika \| Komazawa Yoshinori \| Tanimura Takashi \| SONOYAMA Hiroki \| Tada Yasumasa \| Kusunoki Ryusaku \| Akihiko Oka \| Fukuba Nobuhiko \| Ohshima Naoki \| MORIYAMA Ichiro \| Kinoshita Yoshikazu
Journal	BIOMED RESEARCH INTERNATIONAL Volume 2014
Date of Issued	published_at 2014

Decreased Frequency of Intestinal Regulatory CD5(+) B Cells in Colonic Inflammation

Creator	MISHIMA Yoshiyuki \| Ishihara Shunji \| Akihiko Oka \| Fukuba Nobuhiko \| Ohshima Naoki \| SONOYAMA Hiroki \| Yamashita Noritsugu \| Tada Yasumasa \| Kusunoki Ryusaku \| MORIYAMA Ichiro \| Yuki Takafumi \| KAWASHIMA Kosaku \| Kinoshita Yoshikazu
Journal	PLOS ONE Volume 11 Issue 1
Date of Issued	published_at 2016-01-4

Fecal calprotectin level correlated with both endoscopic severity and disease extent in ulcerative colitis

Creator	KAWASHIMA Kosaku \| Ishihara Shunji \| Yuki Takafumi \| Fukuba Nobuhiko \| Ohshima Naoki \| Kazumori Hideaki \| SONOYAMA Hiroki \| Yamashita Noritsugu \| Tada Yasumasa \| Kusunoki Ryusaku \| Akihiko Oka \| MISHIMA Yoshiyuki \| MORIYAMA Ichiro \| Kinoshita Yoshikazu
Journal	BMC GASTROENTEROLOGY Volume 16
Date of Issued	published_at 2016-04-12

Usefulness of computed tomography with air insufflation of the stomach prior to percutaneous endoscopic gastrostomy procedure

Creator	KAWASHIMA Kosaku \| Adachi Kyoichi \| Onishi Koji \| Fukuda Kosuke \| Kazumori Hideaki \| Ohno Yasuhiko \| Katoh Takao \| Sonoyama Hiroki \| Tada Yasumasa \| Kusunoki Ryusaku \| Akihiko Oka \| Fukuba Nobuhiko \| Ohshima Naoki \| Yuki Takafumi \| Ishihara Shunji \| Kinoshita Yoshikazu
Journal	JOURNAL OF CLINICAL BIOCHEMISTRY AND NUTRITION Volume 58 Issue 3 pp. 246 - 250
Date of Issued	published_at 2016-05

Retained Rice Cake: A Unique Upper Gastrointestinal Foreign Body: Case Report and a Literature Review

Creator	Akihiko Oka \| Ishihara Shunji \| Mikami Hironobu \| SONOYAMA Hiroki \| MISHIRO Tsuyoshi \| Tobita Hiroshi \| KAWASHIMA Kosaku \| Miyake Tatsuya \| Ishimura Norihisa \| Furuta Kenji \| Kinoshita Yoshikazu \| Nishina Masayoshi
Journal	INTERNAL MEDICINE Volume 58 Issue 17 pp. 2485 - 2494
Date of Issued	published_at 2019

Capabilities of fecal calprotectin and blood biomarkers as surrogate endoscopic markers according to ulcerative colitis disease type

Creator	SONOYAMA Hiroki \| KAWASHIMA Kosaku \| Ishihara Shunji \| KOTANI Satoshi \| Fukuba Nobuhiko \| Akihiko Oka \| Kusunoki Ryusaku \| Tada Yasumasa \| MISHIMA Yoshiyuki \| Ohshima Naoki \| MORIYAMA Ichiro \| Yuki Takafumi \| Onishi Koji \| Kinoshita Yoshikazu
Journal	JOURNAL OF CLINICAL BIOCHEMISTRY AND NUTRITION Volume 64 Issue 3 pp. 265 - 270
Date of Issued	published_at 2019-05-1

Microbiota maintain colonic homeostasis by activating TLR2/MyD88/PI3K signaling in IL-10-producing regulatory B cells

Creator	MISHIMA Yoshiyuki \| Akihiko Oka \| Liu Bo \| Herzog Jeremy W. \| Eun Chang Soo \| Fan Ting-Jia \| Bulik-Sullivan Emily \| Carroll Ian M. \| Hansen Jonathan J. \| Chen Liang \| Wilson Justin E. \| Fisher Nancy C. \| Ting Jenny P. Y. \| Nochi Tomonori \| Wahl Angela \| Garcia J. Victor \| Karp Christopher L. \| Sartor R. Balfour
Journal	JOURNAL OF CLINICAL INVESTIGATION Volume 129 Issue 9 pp. 3702 - 3716
Date of Issued	published_at 2019-09-3

Phosphoinositide 3-Kinase P110 delta-Signaling Is Critical for Microbiota-Activated IL-10 Production by B Cells that Regulate Intestinal Inflammation

Creator	Akihiko Oka \| MISHIMA Yoshiyuki \| Liu Bo \| Herzog Jeremy W. \| Steinbach Erin C. \| Kobayashi Taku \| Plevy Scott E. \| Sartor R. Balfour
Journal	CELLS Volume 8 Issue 10
Date of Issued	published_at 2019-10