OTA, HIROYOSHI | Shinshu University Researcher Directory

Academic Organization	Academic Assembly　School of Medicine and Health Sciences　Institute of Health Science	TEL
Education and Research Organization	School of Medicine　Department of Biomedical Laboratory Sciences	FAX
Position	Professor	Mail Address
Address	3-1-1 Asahi, Matsumoto, Nagano390-8621Japan	Web site

Profile

Research Field: Human pathology
Laboratory medicine
Keywords:mucin , gastrointestinal pathology , Helicobacter

Current Subject: Helicobacter infection and gastrointesitnal diseases
Keywords:Helicobacter

Academic Societies: Academic Societies
Japanese Society of Pathology
Japanese Society of Clinical Cytology
Japanese Society of Laboratry Medicine
Japanese society for　Helicobacter　Recearch
United States and Canadian Academy of Pathology
International Academy of Pathology, Japanese Branch
細胞診専門医会
日本臨床検査専門医会
日本消化器病学会
日本消化器内視鏡学会
日本組織細胞化学会
日本実験潰瘍学会

Committee of Academic Societies
2019- , Japanese society for　Helicobacter　Recearch , 理事
2004- , Japanese Society of Laboratry Medicine , 評議員
2001- , Japanese Society of Clinical Cytology , 評議員
1998- , Japanese Society of Pathology , 評議員
2005-2019 , Japanese society for　Helicobacter　Recearch , 評議員

Academic Background: College
Shinshu University , (Faculty of Medicine) , 1985

Degree
医学博士 , Shinshu University

Research

Books, Articles, etc.: Books
乳頭部に生じる腫瘍　156-161　, 腫瘍病理鑑別診断アトラス　乳癌　第2版　文光堂 , 156-161
2016
Author:Nakajima T, Uehara T, Maruyama Y, Iwaya M, Kobayashi Y, Ota H.

ピロリ菌はここに棲息しています　顕微鏡でみた胃粘膜および胃粘液中のピロリ菌, ピロリ菌除菌治療　パーフェクトガイド , 173-175
日本医事新報社 2015
Author:太田浩良

Gastric epithelial polyps and tumors, Lewin, Weinstein and Riddell's Gastrointestinal Pathology and its Clinical Implications , 705-794
Wolters Kluwer Health 2014
Author:Ota H, Riddell R

Morphological Characterization of the gastric mucosa during infection with H. pylori. , The immunology of H. pylori from Pathogenesis to prevention , 15-27
Lippincott-Raven 1997
Author:Ota H, Genta RM

鏡検法：Helicobacter pyloriと胃粘膜病変　第2版，浅香正博　編著, 184-196
先端医学社，東京 1990
Author:太田浩良，羽山正義，赤松泰次，勝山努

Articles
Clinicopathological and prognostic significance of immunophenotypic characterization of endocervical adenocarcinoma using CLDN18, CDH17, and PAX8 in association with HPV status.
Virchows Arch,480(2):269-280 2022
Author:Asaka S, Nakajima T, Ida K, Asaka R, Kugo K, Kashiwagi R, Yazaki N, Miyamoto T, Uehara T, Ota H.

Most colitis associated carcinomas lack expression of LGR5: a preliminary study with implications for unique pathways of carcinogenesis compared to sporadic colorectal carcinoma.
BMC Cancer 2021
Author:Mai Iwaya, Hiroyoshi Ota, Tomoyuki Nakajima, Takeshi Uehara, Robert Riddell, James Conner.

LGR5 expression is associated with prognosis in poorly differentiated gastric adenocarcinoma.
BMC Cancer 2021
Author:Takehito Ehara, Takeshi Uehara, Tomoyuki Nakajima, Yasuhiro Kinugawa, Shota Kobayashi, Mai Iwaya, Hiroyoshi Ota, Yuji Soejima.

Colitis-associated colorectal adenocarcinomas frequently express claudin 18 isoform 2: Implications for claudin 18.2 monoclonal antibody therapy.
Histopathology,79(2):227-237 2021
Author:Mai Iwaya, Hiroyuki Hayashi, Tomoyuki Nakajima, Kazuyuki Matsuda, Yasuhiro Kinugawa, Yosuke Tobe, Yoko Tateishi, Yugo Iwaya, Takeshi Uehara, Hiroyoshi Ota.

Prevalence, clinical features, and esophagogastroduodenoscopy (EGD) findings of non-Helicobacter pylori Helicobacter infection: A study of 50 cases at a single facility in Japan.
Helicobacter,27:e12811 2021
Author:Tsukadaira T, Hayashi S, Ota H, Kobayashi N, Sekiguchi Y, Kodaira H, Matsumoto T, Horiuchi K, Negishi T, Kurahashi M.

LGR5-Expressing Cells in the Healing Process of Post-ESD Ulcers in Gastric Corpus.
Dig Dis Sci 2021
Author:Tobe Y, Uehara T, Nakajima T, Iwaya M, Kobayashi Y, Kinugawa Y, Kuraishi Y, Ota H.

消化管生検の基本と注意事項
消化器内視鏡,32(4):504-513 2020
Author:赤松泰次，下平和久，宮島正行，中村真一郎，植原啓之，木畑穣，市川徹郎，太田浩良

Immunophenotype Analysis Using CLDN18, CDH17, and PAX8 for the Subcategorization of Endocervical Adenocarcinomas in Situ: Gastric-Type, Intestinal-Type, Gastrointestinal-Type, and Müllerian-type.
Virchows Arch,476(4):499-510 2020
Author:Shiho Asaka, Tomoyuki Nakajima, Kaori Kugo ,Risako Kashiwagi, Nozomi Yazaki, Tsutomu Miyamoto, Takeshi Uehara, Hiroyoshi Ota.

Correlation of Clinicopathological Features and LGR5 Expression in Triple-Negative Breast Cancer.
Ann Diagn Pathol 2020
Author:Souya Ogasawara, Takeshi Uehara, Tomoyuki Nakajima, Mai Iwaya, Kazuma Maeno, Shinichi Tsuchiya, Hiroyoshi Ota, Ken-Ichi Ito.

Characterization of LGR5 expression in poorly differentiated colorectal carcinoma with mismatch repair protein deficiency.
BMC Cancer. 2020
Author:Tomoyuki Nakajima, Takeshi Uehara, Mai Iwaya, Yukihiro Kobayashi, Yasuhiro Maruyama, Hiroyoshi Ota.

Correlation of clinicopathological features and LGR5 expression in colon adenocarcinoma.
Ann Diagn Pathol 2020
Author:Koichi Sato, Takeshi Uehara, Mai Iwaya, Tomoyuki Nakajima, Yusuke Miyagawa, Hiroyoshi Ota , Eiji Tanaka.

Immunostaining With Immunoglobulin G Subclass Antibody Cocktail for Diagnosis of Type 1 Autoimmune Pancreatitis.
Int J Surg Pathol,28(8):844-849 2020
Author:Rie Nakata, Takeshi Uehara, Mai Iwaya, Shiho Asaka, Shota Kobayashi, Mitsutoshi Sugano, Kayoko Higuchi, Yukiko Kusama, Koh Nakazawa, Masato Nakaguro, Mikiko Kobayashi, Ayako Tateishi, Mutsuki Makino , Kenji Kawaguchi, Toshitaka Maejima, Keiko Ishii, Kenji Sano, Hisashi Shimojo, Atsushi Hori, Toshiaki Otsuki, Hideaki Hamano, Shigeyuki Kawa, Hiroyoshi Ota

Trefoil factor family 2 protein: a potential immunohistochemical marker for aiding diagnosis of lobular endocervical glandular hyperplasia and gastric-type adenocarcinoma of the uterine cervix.
Virchows Arch,474(1):79-86 2019
Author:Asaka S, Nakajima T, Momose M, Miyamoto T, Uehara T, Ota H.

Colitis-associated colorectal adenocarcinomas are frequently associated with non-intestinal mucin profiles and loss of SATB2 expression.
Mod Pathol,32(6):884-892 2019
Author:Iwaya M, Ota H, Tateishi Y, Nakajima T, Riddell R, Conner JR

Correlation of clinicopathological features and LGR5 expression in colon adenocarcinoma.
Ann Diagn Pathol,40:161-165 2019
Author:Sato K, Uehara T, Iwaya M, Nakajima T, Miyagawa Y, Suga T, Ota H, Tanaka E.

Image quantification technology of the heterochromatin and euchromatin region for differential diagnosis in the lobular endocervical glandular hyperplasia.
Diagn Cytopathol,47(6):553-563 2019
Author:Kimura F, Kobayashi T, Kanai R, Kobayashi Y, Yuhi O, Ota H, Yamaguchi M, Yokokawa Y, Uehara T, Ishii K.

A Comparative Immunohistochemical Study of Anal Canal Epithelium in Humans and Swine, Focusing on the Anal Transitional Zone Epithelium and the Anal Glands.
Anat Rec,301(5):796-805 2018
Author:Muranaka F, Nakajima T, Iwaya M, Ishii K, Higuchi K, Ogiwara N, Miyagawa S, OtaH.

Promoter hypomethylation of SKI in autoimmune pancreatitis.
Pathol Res Pract,214(4):492-497 2018
Author:Kinugawa Y, Uehara T, Matsuda K, Kobayashi Y, Nakajima T, Hamano H, Kawa S, Higuchi K, Hosaka N, Shiozawa S, Ishigame H, Nakamura T, Maruyama Y, Nakazawa K, Nakaguro M, Sano K, Ota H.

Evidence for a primate origin of zoonotic Helicobacter suis colonizing domesticated pigs.
ISME J,12(1):77-86 2018
Author:Flahou B, Rossi M, Bakker J, Langermans JA, Heuvelman E, Solnick JV, Martin ME, O'Rourke J, Ngoan LD, Hoa NX, Nakamura M, Øverby A, Matsui H, Ota H, Matsumoto T, Foss DL, Kopta LA, Omotosho O, Franciosini MP, Casagrande Proietti P, Guo A, Liu H, Borilova G, Bracarense AP, Lindén SK, De Bruyckere S, Zhang G, De Witte C, Smet A, Pasmans F, Ducatelle R, Corander J, Haesebrouck F.

Cloning of Helicobacter suis cholesterol α-glucosyltransferase and production of an antibody capable of detecting it in formalin-fixed, paraffin-embedded gastric tissue sections.
Histochem Cell Biol,148(4):463–471 2017
Author:Kawakubo M, Horiuchi K, Komura H, Sato Y, Kato M, Ikeyama M, Fukushima M, Yamada S, Ishizone S, Matsumoto T, Ota H, Sagara J, Nakayama J.

Methylation of Tumor Suppressor Genes in Autoimmune Pancreatitis.
Pancreas,46(5):614-618 2017
Author:Kinugawa Y, Uehara T, Sano K, Matsuda K, Maruyama Y, Kobayashi Y, Nakajima T, Hamano H, Kawa S, Higuchi K, Hosaka N, Shiozawa S, Ishigame H, Ota H.

Development of diffuse large B-cell lymphoma from follicular lymphoma of the duodenum: changes in endoscopic findings during a 6-year follow-up.
Clin J Gastroenterol,10(1):79-85 2017
Author:Kitabatake H, Nagaya T, Tanaka N, Ota H, Sano K, Asano N, Suga T, Nakamura Y, Akamatsu T, Tanaka E.

Helicobacter heilmannii-like organism in parietal cells: A diagnostic pitfall.
Pathol Int,66(2):120-122 2016
Author:Kobayashi M, Yamamoto K, Ogiwara N, Matsumoto T, Shigeto S, Ota H.

Distribution of Lgr5-positive cancer cells in intramucosal gastric signet-ring cell carcinoma.
Pathol Int,66(9):518-523 2016
Author:Nakajima T, Uehara T, Maruyama Y, Iwaya M, Kobayashi Y, Ota H.

Clinicopathological characterisation of duodenal adenocarcinoma with high CD44 variant 9 expression.
Pathology,47(7):647-52 2015
Author:Maruyama Y, Uehara T, Daikuhara S, Kobayashi Y, Nakajima T, Matsumoto A, Tanaka E, Ota H.

Insulin-Like Growth Factor II mRNA-Binding Protein 3 (IMP3) as a Useful Immunohistochemical Marker for the Diagnosis of Adenocarcinoma of Small Intestine.
Acta Histochem Cytochem,48(6):193-204 2015
Author:Daikuhara S, Uehara T, Higuchi K, Hosaka N, Iwaya M, Maruyama Y, Matsuda K, Arakura N, Tanaka E, Ota H.

Rare cause of severe anemia due to pyogenic granuloma in the jejunum.
BMC Gastroenterol,15(1):126 2015
Author:Misawa SI, Sakamoto H, Kurogochi A, Kirii Y, Nakamura S, Misawa T, Yoneda S, Hirano M, Owa O, Takagi H, Ota H.

Principal cells in gastric neoplasia of fundic gland (chief cell predominant) type show characteristics of immature chief cells.
Pathol Int,65(4):202-204 2015
Author:Ota H, Yamaguchi D, Iwaya M, Kobayashi M, Tateiwa N, Iwaya Y, Momose M, Uehara T.

A Case of Vulval Extramammary Paget Disease With Dermal Invasion Showing Mucinous Carcinoma.
Int J Gynecol Pathol,34(4):396-400 2015
Author:Asaka S, Yoshizawa A, Sano K, Uhara H, Honda T, Ota H.

孤立性肋骨転移で発見され集学的治療が奏効した進行胃癌の1例
日本消化器外科学会雑誌,47(7):381-387 2015
Author:宮本昌武(松本市立病院外科), 三澤俊一, 桐井靖, 高木洋行, 太田浩良

乳腺pure mucinous carcinoma、micropapillary variantの1例
日本臨床細胞学会雑誌l,53(5):401-405 2014
Author:小堺智文, 高木洋行, 西澤和世, 石田章子, 太田浩良

Spontaneous rupture of a giant gastrointestinal stromal tumor of the jejunum: a case report and literature review.
World J Surg Oncol,12(1):153 2014
Author:Misawa S, Takeda M, Sakamoto H, Kirii Y, Ota H, Takagi H.

Helicobacter heilmannii sensu stricto-related gastric ulcers: a case report.
World J Gastroenterol,20(12):3376-3382 2014
Author:Matsumoto T, Kawakubo M, Akamatsu T, Koide N, Ogiwara N, Kubota S, Sugano M, Kawakami Y, Katsuyama T, Ota H.

Development of new PCR primers by comparative genomics for the detection of Helicobacter suis in gastric biopsy specimens.
Helicobacter,19(4):260-271 2014
Author:Matsui H, Takahashi T, Murayama SY, Uchiyama I, Yamaguchi K, Shigenobu S, Matsumoto T, Kawakubo M, Horiuchi K, Ota H, Osaki T, Kamiya S, Smet A, Flahou B, Ducatelle R, Haesebrouck F, Takahashi S, Nakamura S, Nakamura M.

Screening tests using serum tissue transglutaminase IgA may facilitate the identification of undiagnosed celiac disease among Japanese population.
Int J Med Sci,11(8):819-823 2014
Author:Nakazawa H, Makishima H, Ito T, Ota H, Momose K, Sekiguchi N, Yoshizawa K, Akamatsu T, Ishida F.

Reappraisal of the Immunophenotype of Pancreatic Intraductal Papillary Mucinous Neoplasms (IPMNs)—Gastric Pyloric and Small Intestinal Immunophenotype Expression in Gastric and Intestinal Type IPMNs—
,47(2):45-47 2014
Author:Kobayashi M, Fujinaga Y, Ota H

Comparison of histopathological features of pancreatic carcinoma and type 1 autoimmune pancreatitis.
Pathol Int,64(2):51-57 2014
Author:Uehara T, Hamano H, Kawa S, Kobayashi Y, Yoshizawa A, Oki K, Nakata R, Kobayashi A, Sano K, Ota H.

Inflammation of colon adenoma in the setting of type 1 autoimmune pancreatitis.
Pathol Int,64(2):67-74 2014
Author:Uehara T, Hamano H, Suga T, Kawa S, Yoshizawa A, Kobayashi Y, Murata K, Oki K, Sano K, Onodera R, Ota H.

【消化管リンパ腫-最近の知見】胃MALTリンパ腫の治療　除菌無効例を中心に
臨床消化器内科,27(13):1691-1698 2013
Author:宮林秀晴, 長屋匡信, 菅智明, 下平和久, 太田浩良

胃に感染するHelicobacter属菌とZoonosis　動物由来感染症の病原体(解説)
日本ヘリコバクター学会誌,14(2):74-78 2013
Author:松本竹久, 太田浩良

【感染症と癌、病理からのメッセージ】ピロリ感染と胃癌
病理と臨床,31(2):138-145 2013
Author:太田浩良, 上原剛, 中山淳

腹膜播種を認めた類形質細胞型尿路上皮癌の1例
日本臨床細胞学会雑誌,52(1):17-22 2013
Author:小堺智文, 西澤和世, 石田章子, 飯塚啓二, 太田浩良

【H.pylori除菌療法と胃癌撲滅へのロードマップ】 H.pylori関連胃癌の病理学的特徴
消化器の臨床,16(4):357-362 2013
Author:太田浩良, 上原剛

胸膜転移の診断に胸水セルブロックを用いた免疫組織化学的検討が有用であった皮膚血管肉腫の1例
日本臨床細胞学会雑誌,52(5):459-465 2013
Author:小堺智文, 西澤和世, 石田章子, 米田傑, 太田浩良

Helicobacter pylori　除菌診療クエスチョン&アドバイス　専門医に聞くH.pylori除菌診療のポイント　「感染診断・除菌判定を1から理解する」シリーズ　鏡検法によるピロリ菌検査はどのようにおこないますか?(Q&A)
Helicobacter Research,18(1):78-81 2013
Author:太田浩良

【未分化型早期胃癌の診断とESDの適応】未分化型早期胃癌における適応拡大条件と粘液組織学的検討
消化器内科,58(3):283-290 2013
Author:岡村卓磨, 長屋匡信, 岩谷勇吾, 菅智明, 太田浩良, 新倉則和

【消化管悪性リンパ腫2014】　消化管原発low-grade lymphoma　MALTリンパ腫胃MALTリンパ腫の診断と治療　除菌治療抵抗例と低線量放射線療法の長期経過
胃と腸,49(5):623-634 2013
Author:赤松泰次, 沖山葉子, 宮林秀晴, 長屋匡信, 菅智明, 下平和久, 張淑美, 徳竹康二郎, 太田浩良

ヘリコバクター・ピロリ感染症の学校検診への導入　高校生を対象としたヘリコバクター・ピロリ検診と除菌
日本ヘリコバクター学会誌,16(1):11-16 2013
Author:岡村卓麿, 奥平貞英, 市川真也, 横澤秀一, 岩谷勇吾, 菅智明, 太田浩良, 田中栄司

孤立性肋骨転移で発見され集学的治療が奏効した進行胃癌の1例
日本消化器外科学会雑誌,47(7):381-387 2013
Author:宮本昌武, 三澤俊一, 桐井靖, 高木洋行, 太田浩良

【Helicobacter pylori除菌判定の問題点】鏡検法におけるHelicobacter pylori除菌判定の問題点
Helicobacter Research,17(1):25-30 2013
Author:太田浩良, 小林実喜子, 上原剛

Xp11.2およびt(6;11)(p21:q12)転座型腎細胞癌との鑑別を要した腎類上皮型血管筋脂肪腫の1例
診断病理,30(1):23-27 2013
Author:浅香志穂, 福島万奈, 下条久志, 太田浩良, 黒田直人, 本田孝行

A case of Helicobacter heilmannii-associated primary gastric mucosa-associated lymphoid tissue lymphoma achieving complete remission after eradication
Clin J Gastroenterol,(6):38-45 2013
Author:Takuma Okamura • Yugo Iwaya • Shuichi Yokosawa • Tomoaki Suga •Norikazu Arakura • Takehisa Matsumoto • Naoko Ogiwara • Kayoko Higuchi •Hiroyoshi Ota • Eiji Tanaka

A Case of Primary Signet-Ring Cell/Histiocytoid Carcinoma of the Eyelid: Immunohistochemical Comparison With the Normal Sweat Gland and Review of the Literature
Am J Dermatopathol,34(8):E139-E145 2012
Author:Iwaya M, Uehara T, Yoshizawa A, Kobayashi Y, Momose M, Honda T, Ota H

Distinct Cytoplasmic Expression of KL-6 Mucin in Chromophobe Renal Cell Carcinoma: A Comparative Immunohistochemical Study with Other Renal Epithelial Cell Tumors.
Acta Histochem Cytochem.,45(5):301-8 2012
Author:Fukushima M, Higuchi K, Shimojo H, Uehara T, Ota H

Gastric Composite Tumor of Alpha Fetoprotein-Producing Carcinoma/Hepatoid Adenocarcinoma and Endocrine Carcinoma with Reference to Cellular Phenotypes.
Patholog Res Int 2012
Author:Akira Suzuki, Naohiko Koide, Masato Kitazawa, AkiyoshiMochizuka,Hiroyoshi Ota and ShinichiMiyagawa.

Neonatal Fc receptor for IgG (FcRn) expressed in the gastric epithelium regulates bacterial infection in mice.
Mucosal Immunol,5(1):87-98 2012
Author:Ben Suleiman Y, Yoshida M, Nishiumi S, Tanaka H, Mimura T, Nobutani K, Yamamoto K, Takenaka M, Aoganghua A, Miki I, Ota H, Takahashi S, Matsui H, Nakamura M, Blumberg RS, Azuma T.

Introduction of an examination and treatment for Helicobacter pylori infection in high school health screening.
J Gastroenterol,46(12):1353-60 2011
Author:Akamatsu T, Ichikawa S, Okudaira S, Yokosawa S, Iwaya Y, Suga T, Ota H, Tanaka E.

Effects of blood group antigen-binding adhesin expression during Helicobacter pylori infection of Mongolian gerbils.
J Infect Dis.,203(5):726-735 2011
Author:Ohno T, Vallström A, Rugge M, Ota H, Graham DY, Arnqvist A, Yamaoka Y.

Pathophysiological Investigation of the Gastric Surface Mucous Gel Layer of Patients with Helicobacter pylori Infection by Using Immunoassays for Trefoil Factor Family 2 and Gastric Gland Mucous Cell-Type Mucin in Gastric Juice.
Dig Dis Sci.,56(12):3498-3506 2011
Author:Kubota S, Yamauchi K, Sugano M, Kawasaki K, Sugiyama A, Matsuzawa K, Akamatsu T, Ohmoto Y, Ota H.

Re-evaluation of melanin bleaching using warm diluted hydrogen peroxide for histopathological analysis.
Pathol Int,61:345-350 2011
Author:Momose M, Ota H, Hayama M.

IFN-γ plays an essential role in the pathogenesis of gastric lymphoid follicles formation caused by Helicobacter suis infection.
FEMS Immunol Med Microbiol,63(1):25-34 2011
Author:Mimura T, Yoshida M, Nishiumi S, Tanaka H, Nobutani K, Takenaka M, Suleiman YB, Yamamoto K, Ota H, Takahashi S, Matsui H, Nakamura M, Miki I, Azuma T.

Liquid-based thin-layer cytology can be routinely used in samples obtained via fiberoptic bronchoscope.
Acta Cytol,55(1):69-78 2011
Author:Kobayashi Y, Uehara T, Ota H

Aberrant expression of TFF1, TFF2, and PDX-1 and their diagnostic value in lobular endocervical glandular hyperplasia.
Am J Clin Pathol,135(2):253-261 2011
Author:Ota H, Harada O,UeharaT, Hayama M, Ishii K.

Induction of high endothelial venule-like vessels expressing GlcNAc6ST-1-mediated L-selectin ligand carbohydrate and mucosal addressin cell adhesion molecule 1 (MAdCAM-1) in a mouse model of “Candidatus Helicobacter heilmannii”-induced gastritis and gastric mucosa-associated lymphoid tissue (MALT) lymphoma.
Helicobacter,15(6):538-548 2010
Author:Suzuki A, Kobayashi M, Matsuda K, Matsumoto T, Kawakubo M, Kumazawa S, Koide N, Miyagawa S, Ota H.

Helicobacter heilmannii” can induce gastric lymphoid follicles in mice via a Peyer’s Patch independent pathway.
FEMS Immunol Med Microbiol,60(2):156-164 2010
Author:Nobutani K, Yoshida M, Nishiumi S, Nishitani Y, Takagawa T, Tanaka H, Yamamoto K, Mimura T, Bensleiman Y, Ota H, Takahashi S, Matsui H, Nakamura M, Azuma T.

Japanese Society for Helicobacter Research. Guidelines for the management of Helicobacter pylori infection in Japan: 2009 revised edition.
Helicobacter,15(1):1-20 2010
Author:Asaka M, Kato M, Takahashi S, Fukuda Y, Sugiyama T, Ota H, Uemura N, Murakami K, Satoh K, Sugano K

Chronic gastritis in the setting of autoimmune pancreatitis.
Am J Surg Pathol.,34(9):1241-1249 2010
Author:Uehara T, Hamano H, Kawa S, Sano K, Oki K, Kobayashi Y, Nagaya T, Akamatsu T, Kurozumi M, Fujinaga Y, Tanaka E, Honda T, Ota H.

Usefulness of double balloon enteroscopy and video capsule endoscopy for the diagnosis and management of primary follicular lymphoma of the gastrointestinaltract in its early stages.
Dig Endosc,22(1):33-38 2010
Author:Akamatsu T, Kaneko Y, Ota H, Miyabayashi H, Arakura N, Tanaka E.

Laboratory appraisal of optimal gaseous conditions for growth of zoonotic Helicobacter felis ATCC 49179.
Microbiol Immunol,53(5):251-258 2009
Author:Shiohara M, Kawakubo M, Matsumoto T, Kumagai T, Yamauchi K, Oana K, Ota H, Kawakami Y.

Translocation t(11;18)(q21;q21) in gastric B-cell lymphomas. Cancer Sci
,100(5):881-887 2009
Author:Toracchio S, Ota H, de Jong D, Wotherspoon A, Rugge M, Graham DY, Samani A, El-Zimaity HM

Phylogeny of a novel "Helicobacter heilmannii" organism from a Japanese patient with chronic gastritis based on DNA sequence analysis of 16S rRNA and urease genes.　
J Microbiol,47(2):201-7 2009
Author:Matsumoto T, Kawakubo M, Shiohara M, Kumagai T, Hidaka E, Yamauchi K, Oana K, Matsuzawa K, Ota H, Kawakami Y.

Altered expression of CDX-2, PDX-1 and mucin core proteins in "Ulcer-associated cell lineage (UACL)" in Crohn's disease.
J Mol Histol,39:161-168 2008
Author:Kaneko Y, Nakamura T, Hayama M, Hosaka N, Akamatsu T, Ota H

Adherence, Internalization, and Persistence of Helicobacter pylori in Hepatocytes.
Dig Dis Sci,53(9):2541-2549 2008
Author:Ito K, Yamaoka Y, Ota H, El-Zimaity H, Graham DY

Sialic acid moiety of apolipoprotein E3 at Thr194 affects its interaction with beta-amyloid(1-42) peptides.
Clin Chim Acta,388:123-129 2008
Author:Sugano M, Yamauchi K, Kawasaki K, Tozuka M, Fujita K, Okumura N, Ota H

Sialic acid moiety of apolipoprotein E3 at Thr(194) affects its interaction with beta-amyloid(1-42) peptides.
Clin Chim Acta,388:123-129 2007
Author:Sugano M, Yamauchi K, Kawasaki K, Tozuka M, Fujita K, Okumura N, Ota H

Quantitative analysis of the effect of Helicobacter pylori on the expressions of SOX2, CDX2, MUC2, MUC5AC, MUC6, TFF1, TFF2, and TFF3 mRNAs in human gastric carcinoma cells.
Scand J Gastroenterol,43:25-33 2007
Author:Matsuda K, Yamauchi K, Matsumoto T, Sano K, Yamaoka Y, Ota H

B:b interactions are essential for polymerization of variant fibrinogens with impaired holes 'a'.
J Thromb Haemost,5:2352-2359 2007
Author:Okumura N, Terasawa F, Haneishi A, Fujihara N, Hirota-Kawadobora M, Yamauchi K, Ota H, Lord ST

Hyperplastic polyps and sessile serrated 'adenomas' of the colon and rectum display gastric pyloric differentiation.
Histochem Cell Biol,128:445-455 2007
Author:Mochizuka A, Uehara T, Nakamura T, Kobayashi Y, Ota H

Quantitative determination of gland mucous cells-type mucin using a monoclonal antibody, HIK1083: its pathophysiological changes in human gastric juice.
Clin Chim Acta,377:261-267 2007
Author:Kubota S, Yamauchi K, Kumagai T, Sugano M, Kawasaki K, Tozuka M, Akamatsu T, Matsuzawa K, Sugiyama A, Kurihara M, Katsuyama T, Ota H

Evaluation of BacT/Alert 3D SA bottles for accurate detection of Mycobacteremia with special reference to Mycobacterium abscessus.
Eur J Med Res,12:43-46 2007
Author:Kasuga E, Matsumoto T, Oana K, Shiohara M, Okabe T, Yamauchi K, Honda T, Ota H, Kawakami Y

In vivo bactericidal activities of Japanese rice-fluid against H. pylori in a Mongolian gerbil model.
Int J Med Sci,4:203-208 2007
Author:Ishizone S, Maruta F, Suzuki K, Miyagawa S, Takeuchi M, Kanaya K, Oana K, Hayama M, Kawakami Y, Ota H

Usefulness of monoclonal antibody HIK1083 specific for gastric O-glycan in differentiating cutaneous metastasis of gastric cancer from primary sweat gland carcinoma.
Am J Dermatopathol,29:452-456 2007
Author:Iijima M, Nakayama J, Nishizawa T, Ishida A, Ishii K, Ota H, Katsuyama T, Saida T

Effects of a novel histamine H(2)-receptor antagonist, lafutidine, on the mucus barrier of human gastric mucosa
J Gastroenterol Hepatol,22:1800-1805 2007
Author:Ichikawa T, Ota H, Sugiyama A, Maruta F, Ikezawa T, Hotta K, Ishihara K

Proposal of a simplified technique for staining bacterial spores without applying heat--successful modification of Moeller's method.
Eur J Med Res,12:356-359 2007
Author:Hayama M, Oana K, Kozakai T, Umeda S, Fujimoto J, Ota H, Kawakami Y

Co-localization of TFF2 with gland mucous cell mucin in gastric mucous cells and in extracellular mucous gel adherent to normal and damaged gastric mucosa
HISTOCHEMISTRY AND CELL BIOLOGY,126(5):617-625 2006
Author:Ota, H; Hayama, M; Momose, M; El-Zimaity, HMT; Matsuda, K; Sano, K; Maruta, F; Okumura, N; Katsuyama, T

Female adnexal tumor of probable wolffian origin: Morphological, immunohistochemical, and ultrastructural study with c-kit gene analysis
PATHOLOGY INTERNATIONAL,56(2):95-100 2006
Author:Harada, O; Ota, H; Takagi, K; Matsuura, H; Hidaka, E; Nakayama, J

Comparison of localized gastric mucosa-associated lymphoid tissue (MALT) lymphoma with and without Helicobacter pylori infection
HELICOBACTER,11(2):86-95 2006
Author:Akamatsu, T; Mochizuki, T; Okiyama, Y; Matsumoto, A; Miyabayashi, H; Ota, H

Regulation of the ASC expression in response to LPS stimulation is related to IL-8 secretion in the human intestinal mucosa
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS,346(3):968-973 2006
Author:Masumoto, J; Kobayashi, H; Nakamura, T; Kaneko, Y; Ota, H; Hasegawa, M; Kobayashi, Y; Suzuki, T; Matsuda, K; Sano, K; Katsuyama, T; Inohara, N

Ultrastructure of Helicobacter pylori in human gastric mucosa and H. pylori-infected human gastric mucosa using transmission electron microscopy and the high-pressure freezing-freeze substitution technique
JOURNAL OF GASTROENTEROLOGY,41(6):569-574 2006
Author:Liu, YP; Hidaka, E; Kaneko, Y; Akamatsu, T; Ota, H

High salt diets dose-dependently promote gastric chemical carcinogenesis in Helicobacter pylori-infected Mongolian gerbils associated with a shift in mucin production from glandular to surface mucous cells
INTERNATIONAL JOURNAL OF CANCER,119(7):1558-1566 2006
Author:Kato, S; Tsukamoto, T; Mizoshita, T; Tanaka, H; Kumagai, T; Ota, H; Katsuyama, T; Asaka, M; Tatematsu, M

Phylogenetic analysis of "Helicobacter heilmannii" isolates from different Japanese patients based on DNA sequences of 16S rRNA and urease genes
HELICOBACTER,11(4):409-409 2006
Author:Matsumoto, T; Kawakubo, M; Ota, H; Shiohara, M; Kumagai, T; Yamauchi, K; Kastuyama, T; Kawakami, Y

Translocation (11;18) and gastric high grade lymphoma risk
AMERICAN JOURNAL OF GASTROENTEROLOGY,101(9):S91-S91 2006
Author:Toracchio, S; de Jong, D; Wotherspoon, A; Rugge, M; Ota, H; Graham, DY; El-Zimaity, H

A case of acute myelogenous leukemia with MLL-AF10 fusion caused by insertion of 5 ' MLL into 10p12, with concurrent 3 ' MLL deletion
CANCER GENETICS AND CYTOGENETICS,171(1):24-30 2006
Author:Matsuda, K; Hidaka, E; Ishida, F; Yamauchi, K; Makishima, H; Ito, T; Suzuki, T; Imagawa, E; Sano, K; Katsuyama, T; Ota, H

Trefoil factor 2 in gland mucous cell mucin in the mucous gel covering normal or damaged gastric mucosa using the Mongolian gerbil model
SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY,41(12):1390-1397 2006
Author:Suzuki, K; Hayama, M; Nakamura, M; Yamauchi, K; Maruta, F; Miyagawa, S; Ota, H

Quantitative determination of gland mucous cell-type mucin in gastric juice using a monoclonal antibody, HIK1083
CLINICAL CHEMISTRY,51:A201-A202 2005
Author:Kubota, S; Yamauchi, K; Kumagai, T; Tozuka, M; Akamatsu, T; Ota, H; Matsuzawa, K; Katsuyama, T

Helicobacter pylori infection increases cell kinetics in human gastric epithelial cells without adhering to proliferating cells
JOURNAL OF CELLULAR AND MOLECULAR MEDICINE,9(3):746-747 2005
Author:Hayama, M; Kawakami, Y; Kaneko, Y; Sano, K; Ota, H

図解：胃ムチンとの関係からみたHelicobacter pylori感染症　組織化学的および免疫組織化学的検討
Helicobacter Research,9:470-475 2005
Author:太田浩良，小林幸弘，羽山正義

H.pyloriの最近5年間における耐性獲得推移
日本臨床,63:203-208 2005
Author:川上由行，沖村幸枝，小穴こず枝，太田浩良，勝山努

腸閉塞を発症した回盲部子宮内膜症の1例
日本消化器内視鏡学会雑誌,47:2658-2663 2005
Author:横沢秀一，赤松泰次，村木　崇，三澤倫子，伊東一博，金子靖典，井上勝朗，小見山祐一，進士明宏，清澤研道，太田浩良

内視鏡的切除術を施行した巨大下咽頭脂肪腫瘍の2例
日本消化器内視鏡学会雑誌,47:2397-2404 2005
Author:村木　崇，赤松泰次，横澤秀一，三澤倫子，伊東一博，井上勝朗，金子靖典，菅　智明，津金永二，太田浩良，清澤研道

Natural history of gastric mucosal cytokine expression in Helicobacter pylori gastritis in Mongolian gerbils
Infect Immun,73:2205-2212 2005
Author:Yamaoka Y, Yamauchi K, Ota H, Sugiyama A, Ishizone S, Graham DY, Maruta F, Murakami M, Katsuyama T

In vitro expression demonstrates impaired secretion of the gammaAsn 319, Asp320 deletion variant fibrinogen
Thromb Haemost,94:53-59 2005
Author:Kani S, Terasawa F, Lord ST, Tozuka M, Ota H, Okumura N, Katsuyama T

Synthetic biodegradable polymers as drug delivery systems for bone morphogenetic proteins
Adv Drug Deliv Rev,57:1037-048 2005
Author:Saito N, Murakami N, Takahashi J, Horiuchi H, Ota H, Kato H, Okada T, Nozaki K, Takaoka K

Roles of virD4 and cagG genes in the cag pathogenicity island of Helicobacter pylori using a Mongolian gerbil model
Gut,54:584-590 2005
Author:Saito H, Yamaoka Y, Ishizone S, Maruta F, Sugiyama A, Graham DY, Yamauchi K, Ota H, Miyagawa S

Suppressive effect of rice extract on Helicobacter pylori infection in a Mongolian gerbil model
J Gastroenterol,40:459-466 2005
Author:Murakami M, Ota H, Sugiyama A, Ishizone S, Maruta F, Akita N, Okimura Y, Kumagai T, Jo M, Tokuyama T

Eradication of Helicobacter pylori decreases mucosal alterations linked togastric carcinogenesis in Mongolian gerbils
J Gastroenterol,40:104-105 2005
Author:Maruta F, Sugiyama A, Ishizone S, Miyagawa S, Ota H, Katsuyama T

Distinct clinicopathological entity ‘autoimmune pancreatitis-associated sclerosing cholangitis’
Pathol Int,55:405-411 2005
Author:Uehara T, Hamano H, Kawa S, Sano K, Honda T, Ota H

Helicobacter heilmannii infection: Clinical, endoscopic and histopathological features in Japanese patients
PATHOLOGY INTERNATIONAL,55(7):398-404 2005
Author:Okiyama Y, Matsuzawa K, Hidaka E, Sano K, Akamatsu T, Ota H

Malignant myoepithelioma (myoepithelial carcinoma) of soft tissue
Pathol Int,55:510-513 2005
Author:Harada O, Ota H, Nakayama J

H.pylori感染診断法　抗体測定法(血清，尿)
Madical Technology,32:786-790 2004
Author:熊谷俊子，久保田聖子，太田浩良

H.pylori感染診断法　便中抗原検査法
Madical Technology,32:791-795 2004
Author:熊谷俊子，久保田聖子，太田浩良

H.pylori感染診断法　培養法
Madical Technology,32:801-807 2004
Author:川上由行，小穴こず枝，太田浩良，沖村幸枝，岡部忠志，山口　勝，赤羽貴行

Histochemical, ultrastructural, and three-dimensional observation of smooth muscle cells in human gastric mucosa
Histochem Cell Biol,121:229-237 2004
Author:Arai K, Ota H, Hidaka E, Hayama M, Sano K, Sugiyama A, Akamatsu T, Katsuyama T

Discrimination of normal gastric mucosa from Helicobacter pylori gastritis using standard endoscopes and a single observation site: Studies in children and young adults
Helicobactor,9:95-99 2004
Author:Nakayama Y, Horiuchi A, Kumagai T, Kubota S, Kobayashi M, Sano K, Ota H

Malignant granular cell tumor of the esophagus
Virchows Arch,444:304-306 2004
Author:Yoshizawa A, Ota H, Sakaguchi N, Kanai S,Nakayama J, Matsuzawa K, Tsuzuki S, Takada R, Miyazawa F, Kasahara H, Katsuyama T

A three-dimensional analysis of blood vessels in bronchioloalveolar carcinoma
Lung,182:343-353 2004
Author:Uehara T, Honda T, Sano K, Hachiya T, Ota H

Large intestinal type-urachal adenocarcinoma with focal expression of prostatic specific antigen
INTERNATIONAL JOURNAL OF UROLOGY,11(11):1033-1035 2004
Author:Kato H, Hayama M, Kobayashi M, Ota H, Nishizawa O

Rapid four-month growth of an early-stage adenocarcinoma of the colon with neuroendocrine characteristics
DIGESTIVE DISEASES AND SCIENCES,48(2):295-298 2003
Author:Hosaka, S; Matsuzawa, K; Maruyama, K; Ota, H; Akamatsu, T; Kiyosawa, K

Proliferation of type II pneumocytes in the lung biopsy specimens reflecting alveolar damage
RESPIRATORY MEDICINE,97(1):80-85 2003
Author:Honda, T; Ota, H; Yamazaki, Y; Yoshizawa, A; Fujimoto, K; Sone, S

Granular cell tumor of the mediastinum
INTERNAL MEDICINE,42(2):178-181 2003
Author:Machida, E; Haniuda, M; Eguchi, T; Kurai, M; Yamanda, T; Amano, J; Ota, H

Mice deficient in protein tyrosine phosphatase receptor type Z are resistant to gastric ulcer induction by VacA of Helicobacter pylori
NATURE GENETICS,33(3):375-381 2003
Author:Fujikawa, A; Shirasaka, D; Yamamoto, S; Ota, H; Yahiro, K; Fukada, M; Shintani, T; Wada, A; Aoyama, N; Hirayama, T; Fukamachi, H; Noda, M

A case of primary follicular lymphoma of the duodenum with BCL-2 gene rearrangement
JOURNAL OF GASTROENTEROLOGY,38(5):512-513 2003
Author:Matsuzawa, M; Shimodaira, K; Nakamura, N; Ochi, Y; Hosaka, S; Kiyosawa, K; Matsuzawa, M; Akamatsu, T; Sugiyama, A; Ota, H; Katsuyama, T

The gastric cardia increases in size with GERD and with chronic H. pylori infection
LABORATORY INVESTIGATION,83(1):130A-130A 2003
Author:Ota, H; Graham, D; Katsuyama, T; El-Zimaity, H

Seroepidemiology of Helicobacter pylori and hepatitis A virus and the mode of transmission of infection: A 9-year cohort study in rural Japan
CLINICAL INFECTIOUS DISEASES,37(8):1067-1072 2003
Author:Malaty, HM; Tanaka, E; Kumagai, T; Ota, H; Kiyosawa, K; Graham, DY; Katsuyama, T

Helicobacter pylori infection up-regulates gland mucous cell-type mucins in gastric pyloric mucosa
HELICOBACTER,8(6):594-600 2003
Author:Matsuzawa M, Ota H, Hiyama M, Zhang MX, Sano K, Honda T, Ueno I, Akamatsu T, Nakayama J

米エキスのHelicobacter pylori胃炎に対する影響
実験潰瘍,30:93-95 2003
Author:村上真基，杉山　敦，太田浩良，石曽根　聡，丸田福門，佐藤敏行，秋田倫幸，川崎誠治，勝山　努，沖村幸枝

ヘマトキシリン・エオジン染色のメカニズム
生物試料分析,26:377-383 2003
Author:羽山正義，下條康代，小林真希枝，太田浩良

多型性低悪性度腺癌類似の組織像を示した小唾液腺由来乳頭状腺癌の1例
診断病理,20:24-27 2003
Author:吉澤明彦，中山　淳，太田浩良，石井恵子，勝山　努

Expression of gastric gland mucous cell-type mucin in normal and neoplastic human tissues
J Histochem Cytochem,51:1689-1698 2003
Author:Nakajima K, Ota H, Zhang MX, Sano K, Honda T, Ishii K, Nakayama J

Local bone formation by injection of recombinant human bone morphogenetic protein-2 contained in polymer carriers
Bone,32:381-386 2003
Author:Saito N, Okada T, Horiuchi H, Ota H, Takahashi J, Murakami N, Nawata M, Kojima S, Nozaki K, Takaoka K

Repair of a proximal femoral bone defect in dogs using a porous surfaced prosthesis in combination with recombinant BMP-2 and a synthetic polymer carrier
Biomaterals,24:2287-2293 2003
Author:Murakami N, Saito N, Takahashi J, Ota H, Horiuchi H, Nawata M, Okada T, Nozaki K, Takaoka K

Duodenogastric reflux and Helicobacter pylori infection synergistically increase gastric mucosal cell proliferative activity in Mongolian gerbils
SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY,38(4):370-379 2003
Author:Murakami M, Sugiyama A, Ota H, Maruta F, Ikeno T, Hayama M, Kumagai T, Okimura Y, Kawasaki S

Purification and measurement of HDL3-binding proteins in human peripheral blood mononuclear cells
Ann Clin Lab Sci,33:271-278 2003
Author:Hidaka H, Tozuka M, Yamauchi K, Ohta H, Nakayama J, Katsuyama T

Sequential changes in periprosthetic bone mineral density following total hip arthroplasty: a 3-year follow-up
J Bone Miner Metab,21:229-233 2003
Author:Ohta H, Kobayashi S, Saito N, Nawata M, Horiuchi H, Takaoka K

Trabecular minimodeling in human iliac bone
Bone,32:163-169 2003
Author:Kobayashi S, Takahashi HE, Ito A, Saito N, Nawata M, Horiuchi H, Ohta H, Ito A, Iorio R, Yamamoto N, Takaoka K

Immunohistochemical localization of sodium-potassium ATPase in human normal stomach and gastric adenocarcinomas
HISTOCHEMISTRY AND CELL BIOLOGY,119(4):317-322 2003
Author:Kobayashi C, Hayama M, Harada O, Terasawa F, Okumura N, Sugiyama A, Ota H.

Usefulness of the real-time reverse transcription-polymerase chain reaction assay targeted to alpha1,4-N-acetylglucosaminyltransferase for the detection of gastric cancer.
Lab Invest,83:187-197 2003
Author:Shimizu F, Nakayama J, Ishizone S, Zhang MX, Kawakubo M, Ota H, Sugiyama A, Kawasaki S, Fukuda M, Katsuyama T.

Analysis of fibrinogen gamma-chain truncations shows the C-terminus, particularly gamma Ile387, is essential for assembly and secretion of this multichain protein
BLOOD,99(10):3654-3660 2002
Author:Okumura, N; Terasawa, F; Tanaka, H; Hirota, M; Ota, H; Kitano, K; Kiyosawa, K; Lord, ST

The gastric cardia increases in size with GERD and with chronic H-pylori infection
GUT,51:A42-A43 2002
Author:El-Zimaity, H; Katsuyama, T; Ota, H; Goss, J; Psu, P; Graham, D

A case of primary low grade mucosa associated lymphoid tissue (MALT) lymphoma of the oesophagus.
Gut,51:281-284 2002
Author:Hosaka S, Nakamura N, Akamatsu T, Fujisawa T, Ogiwara Y, Kiyosawa K, Hidaka E, Ota H, Katsuyama T, Inagaki H.

Avascular necrosis of the femoral head in a patient with Fabry's disease: identification of ceramide trihexoside in the bone by delayed-extraction matrix-assisted laser desorption ionization-time-of-flight mass spectrometry.
Arthritis Rheum,46:1922-1925 2002
Author:Horiuchi H, Saito N, Kobayashi S, Ota H, Taketomi T, Takaoka K.

Are neuroendocrine cells responsible for the development of benign prostatic hyperplasia?
Eur Urol,42(2):79-83 2002
Author:Manjurul Islam A, Kato H, Hayama M, Kobayashi S, Igawa Y, Ota H, Nishizawa O.

効果的な組織固定法の実際と染色態度　第1回　糖質
Medical Technology,30:1301-1307 2002
Author:羽山正義，行田弥生，太田浩良

Correlation between microbubble contrast enhanced color doppler sonography and immunostaining for kupffer cells in the assessment of the histopathological grade of hepatocellular carcinoma
J Clin Ultrasound,30:465-471 2002
Author:Kitamura H, Kawasaki S, Nakajima K, Ota H

Additive effect of pronase on the efficacy of eradication therapy against Helicobacter pylori
HELICOBACTER,7(3):183-191 2002
Author:Gotoh A, Akamatsu T, Shimizu T, Shimodaira K, Kaneko T, Kiyosawa K, Ishida K, Ikeno T, Sugiyama A, Kawakami Y, Ota H, Katsusyma T

Alveolar shrinkage in bronchioloalveolar carcinoma without central fibrosis
LUNG CANCER,36(3):283-288 2002
Author:Honda T, Ota H, Sano K, Yoshizawa A, Fujimoto K, Yamazaki Y, Yamanda T, Haniuda M, Sone S

Three-dimensional analysis of alveolar structure in usual interstitial pneumonia
VIRCHOWS ARCHIV,441(1):47-52 2002
Author:Honda T, Ota H, Arai K, Hayama M, Fujimoto K, Yamazaki Y, Haniuda M

ERCP features in 27 patients with autoimmune pancreatitis
Gastrointest Endosc,55:494-499 2002
Author:Horiuchi A, Kawa S, Hamano H, Hayama M, Ota H, Kiyosawa K

Small-intestinal sarcomatoid carcinoma with superior vena cava syndrome
J Gastroenterol,37:471-475 2002
Author:Tsukadaira A, Koizumi T, Okubo Y, Takashi S, Koide N, Arai K, Ota H, Kubo K

Patterns of gastric atrophy in intestinal type gastric carcinoma
Cancer,94:1428-1436 2002
Author:Hala M T El-Zimaity, Hiroyoshi Ota, David Y Graham, Taiji Akamatsu, Tsutomu Katsuyama

Proliferation of alpha-smooth muscle actin-containing stromal cells (myofibroblasts) in the lamina propria subjacent to intraepithelial carcinoma of the esophagus
SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY,36(1):86-91 2001
Author:Tsuzuki, S; Ota, H; Hayama, M; Sugiyama, A; Akamatsu, T; Kawasaki, S

Helicobacter pylori infection produces expression of secretory component in gastric mucous cells
GASTROENTEROLOGY,120(5):A708-A709 2001
Author:Kaneko, T; Ota, H; Hayama, N; Nakajima, K; Yoshizawa, A; Fukushima, M; Akamatsu, T; Katsuyama, T

Gastric histology in patients with carcinoma at the gastro-esophageal junction
GASTROENTEROLOGY,120(5):A249-A249 2001
Author:El-Zimaity, HMT; Katsuyama, T; Ota, H; Watanabe, H; Hattori, T; Graham, DY

A birth cohort study of the seroepidemiologic association of Helicobacter pylori infection and Hepatitis A virus in rural Japan
GASTROENTEROLOGY,120(5):A128-A128 2001
Author:Malaty, HM; Tanaka, E; Kumagai, T; Ota, H; Akamatsu, ET; Kiyosawa, K; Graham, DY; Katsuyama, T

Gastric histologyin patients with carcinoma at the gastro-esophageal junction
GUT,49:A65-A65 2001
Author:El-Zimaity, HMT; Katsuyama, T; Ota, H; Watanabe, H; Hattori, T; Graham, DY

The effect of duodenogastric reflux for gastritis induced by Helicobacter pylori infection in Mongolian gerbil
GUT,49:A49-A49 2001
Author:Sugiyama, A; Murakami, M; Ikeno, T; Kawasaki, S; Ota, H; Katsuyama, T

8-year birth cohort study of the seroepidemiology of Helicobacter pylori infection and hepatitis A virus in rural Japan
GUT,49:A32-A32 2001
Author:Malaty, HM; Tanaka, E; Kumagai, T; Ota, H; Akamatsu, T; Kiyosawa, K; Graham, DY

Guidelines in the management of Helicobacter pylori infection in Japan.
Helicobacter,6:177-186 2001
Author:.Asaka M, Satoh K, Sugano K, Sugiyama T, Takahashi S, Fukuda Y, Ota H, Murakami K, Kimura K, Shimoyama T.

Prostatic adenocarcinoma with marked neuroendocrine differentiation.
Int J Urol,8:412-415 2001
Author:Islam AM, Kato H, Hayama M, Kobayashi S, Ota, H, Nishizawa O.

Familial Gastrointestinal Stromal Tumor and Cutaneous Hyperpigmentation: Association with A Germline Mutation of the c-Kit Gene.
Gastroenterology,120:210-215 2001
Author:Maeyama　H, Hidaka E, Ot H, Minami S, Kajiyama M, Kuraishi A, Mori H, Matsuda Y, Wada S, Sodeyama H, Nakata S, Kawamura N, Hata S, Watanabe M, Iijima Y, Katsuyama T.

A new diagnostic method for adenoma malignum and related lesions: latex agglutination test with a new monoclonal antibody, HIK1083.
Clin Chim Acta,312:231-233 2001
Author:Ishii K, Kumagai T, Tozuka M, Ota H, Katsuyama T, Kurihara M, Shiozawa T, Noguchi H

Paradoxical role of Helicobacter pylori infection: protective effect against ethanol-induced gastric mucosal injury in Mongolian gerbils.
Dig Dis Sci,46:2433-2439 2001
Author:Sugiyama A, Ikeno T, Ishida K, Maruta F, Murakam M, Sato T, Saito H, Ishizone S, Kawasaki S, Ota H, Katsuyama T.

Helicobacter pylori and two ultrastructurally distinct layers of gastric mucous cell mucins in the surface mucous gel layer
GUT,49(4):474-480 2001
Author:Hidaka E, Ota H, Hidaka H, Hayama M, Matsuzawa K, Akamatsu T, Nakayama J, Katsuyama T

Histone H3 MRNA in situ hybridization for identifying proliferating cells in human pancreas, with special reference to the ductal system
HISTOCHEMICAL JOURNAL,33(3):183-191 2001
Author:Arakura N, Hayama M, Honda T, Matsuzawa K, Akamatsu T, Ota H.

Immunohistochemical localization of heparan sulfate proteoglycan in human gastrointestinal tract.
Histochem Cell Biol,115:373-380 2001
Author:Oshiro M, Ono K, Suzuki Y, Ota H, Katsuyama T, Mori N.

Immune Response to Alkyl Hydroperioxide Reductase in Helicobacter pylori infected Mongolian Gerbil Model.
Helicobacter,6:274-282 2001
Author:Yan J, Kumagai T, Ohnishi M, Ueno I, Ota H.

Relation of H pylori to gastric mucins and gastric surface mucous gel layer
GUT,48(6):869-870 2001
Author:Ota H, Nakayama J, Shimizu T, Graham DY.

Immunohistochemical Demonstration of 1,4-N-acetylglucosaminyltransferase that Forms GlcNAc1,4Galｧ Residues in Human Gastrointestinal Mucosa
J. Histochem. Cytochem.,49:587-596 2001
Author:Zhang MX, Nakayama J, Hidaka E, Kubota S, Yan J, Ota H, Fukuda M

Characterization of an apoprotein E3 variant (Arg 145→His) associated with mild hypertriglyceridemia.
Annals of Clinical&laboratory Science,31:163-170 2001
Author:Hidaka H, Tozuka M, Hidaka E, Yamauchi K, Ota H, Honda T, Katsuyama T.

Serum IgG Immune Response to Helicobacter pylori Antigens in Mongolian Gerbils.
J Clin Micro Biol,39:1283-1288 2001
Author:Kumagai T, Yan J, Graham DY,Tozuka M,Okimura Y,Ikeno T, Sugiyama A, Katsuyama T, Ota H.

Cell Lineage Specificity of Newly Raised Monoclonal Antibodies Against Gastric Mucins in Normal, Metaplastic and Neoplastic Human Tissues and Their Application for Pathology Diagnosis.
Am J Clin Pathol,115:69-79 2001
Author:Ota H, Hayama M, Nakayama J, Hidaka H, Honda T, Ishii K, Fukushima M, Uehara T, Kurihara M, Ishihara K, Hotta K, Katsuyama T.

Role of N-methyl-N-nitrosourea in the induction of intestinal metaplasia and gastric adenocarcinoma in mongolian gerbils infected with Helicobacter pylori
SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY,36(3):283-290 2001
Author:Maruta F, Ota H, Genta RM, Sugiyama A, Tatematsu M, Katsuyama T, Kawasaki S.

Retroperitoneal malignant fibrous histiocytoma surgically removed six times using a harmonic scalpel
HEPATO-GASTROENTEROLOGY,47(32):441-442 2001
Author:Maruta, F; Sugiyama, A; Murakami, T; Murakami, M; Ikeno, T; Shimizu, F; Ishida, K; Matsushita, K; Ota, H; Kawasaki, S

Expression of Bcl-2 and P53 proteins in mucosa-associated lymphoid tissue (malt) lymphoma.
INVESTIGATIVE OPHTHALMOLOGY&VISUAL SCIENCE,41(4):S790-S790 2000
Author:Kuroiwa, S; Ota, H; Yoshimura, N

Timing of N-methyl-N-nitrosourea administration affects gastric carcinogenesis in Mongolian gerbils infected with Helicobacter pylori
CANCER LETTERS,160(1):99-105 2000
Author:Maruta F, Sugiyama A, Ishida K, Ikeno T, Murakami, Kawasaki S, Ota H, Tatematsu M, Katsuyama T.

Helicobacter pylori infection produces expression of a secretory component in gastric mucous cells.
Virchows Arch,437:514-520 2000
Author:Kaneko T, Ota H, Hayama M, Akamatsu T, Katsuyama T

Difference in electrophoretic mobility and plasmic digestion profile between four recombinant fibrinogens, gamma 308K, gamma 3081, gamma 308A, and wild type (gamma 308N)
ELECTROPHORESIS,21(12):2309-2315 2000
Author:Okimura N, Terasawa F, Fujita K, Tozuka M, Ota H, Katsuyama T.

Basal layer reactivity in hyperplastic and metaplastic lesions of the bronchi as studied by lectin histochemistry
LUNG,178(2):81-90 2000
Author:Honda T, Ota H, Hayasaka M, Hachiya T, Horie S, Fujimoto K, Katsuyama T.

Evidence from a nine-year birth cohort study in Japan of transmission pathways of Helicobacter pylori infection
JOURNAL OF CLINICAL MICROBIOLOGY,38(5):1971-1973 2000
Author:Malaty HM, Kumagai T, Tanaka E, Ota H, Kiyosawa K, Graham DY, Katsuyama T.

Molecular identification of main cellular lineages as a tool for the classification of gastric cancer.
Hum Pathol,31:566-574 2000
Author:Sepulveda AR, Wu L, Ota H, Gutierrez O, Kim JG, Genta RM, Graham D

Identification of a dysfibrinogen, the substitution of gamma 308Asn(AAT) to Lys(AAG), using coagulation tests, immunoblot analysis, and allele-specific polymerase chain reaction
CLINICA CHIMICA ACTA,295(1-2):77-85 2000
Author:Terasawa F, Fujita K, Tozuka M, Ota H, Katsuyama T, Okumura N

Lobular endocervical glandular hyperplasia represents pyloric gland metaplasia?
AMERICAN JOURNAL OF SURGICAL PATHOLOGY,24(2):325-325 2000
Author:Ishii K, Ota H, Katsuyama T

Coexistence of gland mucous cell-type mucin and lysozyme in gastric gland mucous cells
HISTOCHEMISTRY AND CELL BIOLOGY,113(2):91-98 2000
Author:Hidaka E, Ota H, Katsuyama T, Nakayama J, Momose M, Hidaka H, Ishii K, Murata F, Tsuyama S, Kurihara M, Ishihara K, Hotta K

糖鎖および糖蛋白質の免疫組織化学
病理と臨床臨時増刊号,18:104-111 2000
Author:太田浩良，羽山正義，石井恵子，本田孝行，中山淳，小野謙三，勝山努

Helicobacter pylori-induced chronic active gastritis, intestinal metaplasia, and gastric ulcer in Mongolian gerbils
AMERICAN JOURNAL OF PATHOLOGY,154(3):951-960 1999
Author:Ikeno, T; Ota, H; Sugiyama, A; Ishida, K; Katsuyama, T; Genta, RM; Kawasaki, S

Clinico-pathological investigation of Cap polyposis.
GASTROENTEROLOGY,116(4):A912-A912 1999
Author:Nakamura, N; Akamatsu, T; Kuraishi, A; Fujisawa, T; Kiyosawa, K; Ota, H; Katsuyama, T

Histogenesis of gastric carcinoma
GASTROENTEROLOGY,116(4):A154-A155 1999
Author:El-Zimaity, HMT; Ota, H; Katsuyama, T

Endoscopic resection for early gastric cancer - Possibilities and limitations
JOURNAL OF CLINICAL GASTROENTEROLOGY,29(1):5-6 1999
Author:El-Zimaity, HMT; Ota, H

Gastric carcinoma histogenesis in H. pylori infection
GUT,45:A73-A73 1999
Author:Graham, D; El-Zimaity, HMT; Ota, H; Katsuyama, T

Phenotype of gastric adenocarcinoma (Ca) and intestinal metaplasia (IM) in mongolian infected with Helicobacter pylori (HP)
GUT,45:A62-A62 1999
Author:Maruta, F; Sugiyama, A; Kawasaki, S; Ota, H; Katsuyama, T; Tatematsu, M

A novel gene, MALT1 at 18q21, is involved in t(11;18) (q21;q21) found in low-grade B-cell lymphoma of mucosa-associated lymphoid tissue
ONCOGENE,18(42):5785-5794 1999
Author:Akagi, T; Motegi, M; Tamura, A; Suzuki, R; Hosokawa, Y; Suzuki, H; Ota, H; Nakamura, S; Morishima, Y; Taniwaki, M; Seto, M

Simple mucin-type carbohydrate antigens in Helicobacter pylori-positive chronic active gastritis - Reply
VIRCHOWS ARCHIV-AN INTERNATIONAL JOURNAL OF PATHOLOGY,435(4):460-460 1999
Author:Ota, H; Graham, DY

Cytologic and cytochemical features of adenoma malignum of the uterine cervix
CANCER CYTOPATHOLOGY,87(5):245-253 1999
Author:Ishii, K; Katsuyama, T; Ota, H; Watanabe, I; Matsuyama, I; Tsuchiya, S; Shiozawa, T; Toki, T

Mucosa-associated lymphoid tissue (MALT) lymphoma of the rectum with chromosomal translocation of the t(11;18)(q21;q21) and an additional aberration of trisomy 3
AMERICAN JOURNAL OF GASTROENTEROLOGY,94(7):1951-1954 1999
Author:Hosaka S. Akamatsu T. Nakamura S. Kaneko T. Kitano K. Kiyosawa K. Ota H. Hosaka N. Miyabayashi H. Katsuyama T.

Ultrastructural features of adenoma malignum of the uterine cervix: Demonstration of gastric phenotypes
ULTRASTRUCTURAL PATHOLOGY,23(6):375-381 1999
Author:Ishii K, Hidaka E, Katsuyama T, Ota H, Shiozawa T, Tsuchiya S

Localized aberrant expression of cytochrome P450 aromatase in primary and metastatic malignant tumors of human liver
JOURNAL OF CLINICAL ENDOCRINOLOGY AND METABOLISM,83(2):697-702 1998
Author:Harada, N; Ota, H; Yoshimura, N; Katsuyama, T; Takagi, Y

A new histological procedure for re-evaluation of the serological test for Helicobacter pylori
EUROPEAN JOURNAL OF CLINICAL MICROBIOLOGY&INFECTIOUS DISEASES,17(1):14-19 1998
Author:Misawa, K; Kumagai, T; Shimizu, T; Furihata, K; Ota, H; Akamatsu, T; Katsuyama, T

Mucinous bronchioloalveolar carcinoma with organoid differentiation simulating the pyloric mucosa of the stomach - Clinicopathologic, histochemical, and immunohistochemical analysis
AMERICAN JOURNAL OF CLINICAL PATHOLOGY,109(4):423-430 1998
Author:Honda, T; Ota, H; Ishii, K; Nakamura, N; Kubo, K; Katsuyama, T

Adult-to-child transmission of Helicobacter pylori infection: Results from an 8-year birth cohort study.
GASTROENTEROLOGY,114(4):A211-A211 1998
Author:Malaty, HM; Graham, DY; Kumagai, T; Hosogaya, S; Misawa, K; Furihata, K; Ota, H; Sei, C; Tanaka, E; Akamatsu, T; Shimizu, T; Kiyosawa, K; Katsuyama, T

Acquisition and loss of Helicobacter pylori infection in Japan: Results from an 8-year birth cohort study.
GASTROENTEROLOGY,114(4):A190-A190 1998
Author:Kumagai, T; Hosogaya, S; Misawa, K; Furihata, K; Ota, H; Sei, C; Tanaka, E; Akamatsu, T; Shimizu, T; Kiyosawa, K; Katsuyama, T

Helicobacter pylori in areas of intestinal metaplasia in gastric antral mucosa, by Misra et al.
PATHOLOGY,30(2):222-222 1998
Author:Genta, RM; Ota, H

Histochemical reactivity of normal, metaplastic and neoplastic tissues to alpha-linked N-acetylglucosamine residue-specific monoclonal antibody HIK1083
JOURNAL OF HISTOCHEMISTRY&CYTOCHEMISTRY,46(7):793-801 1998
Author:Nakamura, N; Ota, H; Katsuyama, T; Akamatsu, T; Ishihara, K; Kurihara, M; Hotta, K

New monoclonal antibodies against gastric gland mucous cell-type mucins: a comparative immunohistochemical study
HISTOCHEMISTRY AND CELL BIOLOGY,110(2):113-119 1998
Author:Ota, H; Nakayama, J; Momose, M; Kurihara, M; Ishihara, K; Hotta, K; Katsuyama, T

Intestinal metaplasia with adherent Helicobacter pylori: A hybrid epithelium with both gastric and intestinal features
HUMAN PATHOLOGY,29(8):846-850 1998
Author:Ota, H; Katsuyama, T; Nakajima, S; El-Zimaity, H; Kim, JG; Graham, DY; Genta, RM

Acquisition versus loss of Helicobacter pylori infection in Japan: Results from an 8-year birth cohort study
JOURNAL OF INFECTIOUS DISEASES,178(3):717-721 1998
Author:Kumagai, T; Malaty, HM; Graham, DY; Hosogaya, S; Misawa, K; Furihata, K; Ota, H; Sei, C; Tanaka, E; Akamatsu, T; Shimizu, T; Kiyosawa, K; Katsuyama, T

Histochemical analysis of mucous cells of congenital adenomatoid malformation of the lung - Insights into the carcinogenesis of pulmonary adenocarcinoma expressing gastric mucins
AMERICAN JOURNAL OF CLINICAL PATHOLOGY,110(4):450-455 1998
Author:Ota, H; Langston, C; Honda, T; Katsuyama, T; Genta, RM

An 8-year birth cohort study shows adult-to-child transmission of H-pylori infection
GUT,43:A40-A40 1998
Author:Malaty, HM; Kumagai, T; Ota, H; Tanaka, E; Akamatsu, T; Kiyosawa, K; Graham, DY; Katsuyama, T

Acquistion vs. loss of Helicobacter pylori infection in Japan: Results from an 8-year birth cohort study
GUT,43:A39-A39 1998
Author:Kumagai, T; Malaty, HM; Ota, H; Tanaka, E; Akamatsu, T; Kiyosawa, K; Graham, DY; Katsuyama, T

Helicobacter pylori infection produces reversible glycosylation changes to gastric mucins
VIRCHOWS ARCHIV,433(5):419-426 1998
Author:Ota, H; Nakayama, J; Momose, M; Hayama, M; Akamatsu, T; Katsuyama, T; Graham, DY; Genta, RM

Comparison of four monoclonal antibodies reacting with gastric gland mucous cell-derived mucins of rat and frog
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY B-BIOCHEMISTRY&MOLECULAR BIOLOGY,121(3):315-321 1998
Author:Kurihara, M; Ishihara, K; Ota, H; Katsuyama, T; Nakano, T; Naito, M; Hotta, K

Histochemical analysis of mucous cells of congenital cystic adenomatoid malformation of the lung from the view point of carcinogenesis of pulmonary adenocarcinoma expressing gastric mucins.
LABORATORY INVESTIGATION,76(1):992-992 1997
Author:Ota, H; Katsuyama, T; Langston, C; Graham, DY; Genta, RM

Bronchioloalveolar cell carcinoma showing exclusively organoid differentiation simulating the pyloric mucosa of the stomach.
LABORATORY INVESTIGATION,76(1):967-967 1997
Author:Honda, T; Katsuyama, T; Ota, H; Nakayama, J; Ishii, K

Histochemical analysis of specificity of newly raised monoclonal antibodies against gastric mucins.
LABORATORY INVESTIGATION,76(1):348-348 1997
Author:Ota, H; Nakayama, J; Katsuyama, T; Kurihara, M; Ishihara, K; Hotta, K; Graham, DY; Genta, RM

New monoclonal antibodies against gastric mucins: Specificities and use.
GASTROENTEROLOGY,112(4):A634-A634 1997
Author:Ota, H; Nakayama, J; Nakamura, N; Kurihara, M; Ishihara, K; Hotta, K; Graham, DY; Genta, RM; Katsuyama, T

Helicobacter pylori-induced alterations of gastric mucins: A histochemical analysis.
GASTROENTEROLOGY,112(4):A247-A247 1997
Author:Ota, H; Nakayama, J; Momose, M; Shimizu, T; Akamatsu, T; Graham, DY; Genta, RM; Katsuyama, T

Epithelial cell proliferation is H-pylori-associated gastric diseases; Using histone H3 messenger RNA in situ hybridization.
GASTROENTEROLOGY,112(4):A206-A206 1997
Author:Maeyama, H; Akamatsu, T; Matsubayashi, K; Fujimori, K; Gotoh, A; Shimodaira, K; Kiyosawa, K; Nakayama, J; Ota, H; Katsuyama, T

Interaction of drugs for eradication therapy against Helicobacter pylori.
GASTROENTEROLOGY,112(4):A131-A131 1997
Author:Gotoh, A; Kawakami, Y; Shimizu, T; Maeyama, H; Fujimori, K; Shimodaira, K; Akamatsu, T; Kiyosawa, K; Ota, H; Katsuyama, T

Combination effect of pronase for eradication therapy against Helicobacter pylori.
GASTROENTEROLOGY,112(4):A54-A54 1997
Author:Akamatsu, T; Gotoh, A; Shimizu, T; Maeyama, H; Fujimori, K; Shimodaira, K; Kiyosawa, K; Kawakami, Y; Ota, H; Katsuyama, T

Histochemistry of the surface mucous gel layer of the human colon
GUT,40(6):782-789 1997
Author:Matsuo, K; Ota, H; Akamatsu, T; Sugiyama, A; Katsuyama, T

Application of the updated Sydney system for classification and grading of gastritis (USS)
GUT,41:A53-A53 1997
Author:Ricci, C; Ota, H; Genta, RM; Salfi, N; Menegatti, M; Bacchini, P; Massardi, B; Landi, F; Mucci, F; Farinelli, S; Ali, A; Holton, J; Martinelli, G; Miglioli, M; Vaira, D

Gastric surface mucous gel layer and H-pylori
GUT,41:A29-A29 1997
Author:Hidaka, E; Goto, A; Matsuzawa, K; Hayama, M; Akamatsu, T; Ishii, K; Ota, H; Katsuyama, T; Ishihara, K; Hotta, K

Helicobacter pylori induces proinflammatory cytokines and major histocompatibility complex class II antigen in mouse gastric epithelial cells
JOURNAL OF LABORATORY AND CLINICAL MEDICINE,130(4):442-449 1997
Author:Maekawa, T; Kinoshita, Y; Matsushima, Y; Okada, A; Fukui, H; Waki, S; Kishi, K; Kawanami, C; Nakata, H; Hassan, S; Wakatsuki, Y; Ota, H; Amano, K; Nakao, M; Chiba, T

Histone H3 messenger RNA in situ hybridization for identifying proliferating cells in formalin-fixed rat gastric mucosa
HISTOCHEMICAL JOURNAL,29(11-12):867-873 1997
Author:Maeyama, H; Furuwatari, C; Ota, H; Akamatsu, T; Nakayama, J; Katsuyama, T

Erdheim-Chester disease: A case report with immunohistochemical and biochemical examination
HUMAN PATHOLOGY,27(1):91-95 1996
Author:Ono, K; Oshiro, M; Uemura, K; Ota, H; Matsushita, Y; Ijima, S; Iwase, T; Uchida, M; Katsuyama, T

HLA-DR DNA typing combined with PCR-SSP and -RFLP from forensic samples
HUMAN IMMUNOLOGY,47(1-2):P756-P756 1996
Author:Katsuyama, Y; Ota, H; Hama, Y; Liu, C; Fukushima, H

Peripheral alpha-linked N-acetylglucosamine on the carbohydrate moiety of mucin derived from mammalian gastric gland mucous cells: Epitope recognized by a newly characterized monoclonal antibody
BIOCHEMICAL JOURNAL,318:409-416 1996
Author:Ishihara, K; Kurihara, M; Goso, Y; Urata, T; Ota, H; Katsuyama, T; Hotta, K

A new screening method for the selection of Lactobacillus acidophilus group lactic acid bacteria with high adhesion to human colonic mucosa
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY,60(9):1434-1438 1996
Author:Takahashi, N; Saito, T; Ohwada, S; Ota, H; Hashiba, H; Itoh, T

Establishment of monoclonal antibodies against carbohydrate moiety of gastric mucins distributed in the different sites and layers of rat gastric mucosa
GLYCOCONJUGATE JOURNAL,13(5):857-864 1996
Author:Ishihara, K; Kurihara, M; Goso, Y; Ota, H; Katsuyama, T; Hotta, K

PROLIFERATIVE MARKERS IN GASTRIC-CARCINOMA AND ORGANOID DIFFERENTIATION
HUMAN PATHOLOGY,26(7):725-734 1995
Author:FUJIMORI, Y; AKAMATSU, T; OTA, H; KATSUYAMA, T

APPLICATION OF MUCIN HISTOCHEMISTRY FOR PATHOLOGICAL DIAGNOSIS - EXPRESSION OF GASTRIC PHENOTYPES IN METAPLASTIC AND NEOPLASTIC LESIONS AND ITS RELATION TO THE ORGANOID DIFFERENTIATION
ACTA HISTOCHEMICA ET CYTOCHEMICA,28(1):43-53 1995
Author:OTA, H; KATSUYAMA, T; AKAMATSU, T; FUJIMORI, Y; MATSUZAWA, K; ISHII, K; HONDA, T; NAKAYAMA, J; FURIHATA, K; ONO, K; MAEDA, K

HISTOCHEMICAL-STUDY OF HELICOBACTER-PYLORI AND SURFACE MUCOUS GEL LAYER IN VARIOUS GASTRIC-LESIONS
ACTA HISTOCHEMICA ET CYTOCHEMICA,28(2):181-185 1995
Author:AKAMATSU, T; OTA, H; SHIMIZU, T; MATSUZAWA, K; FUJIMORI, Y; NAKAMURA, N; KIYOSAWA, K; KATSUYAMA, T

BENIGN STRUCTURE OF THE INTRAHEPATIC BILE-DUCT WITH ARTERIAL INVOLVEMENT
HEPATO-GASTROENTEROLOGY,41(1):79-81 1994
Author:HASHIKURA, Y; MAKUUCHI, M; KAWASAKI, S; MIWA, S; KOBAYASHI, A; IMAI, Y; OTA, H

EXPRESSION OF FORSSMAN ANTIGEN IN HUMAN LARGE-INTESTINE
JOURNAL OF HISTOCHEMISTRY&CYTOCHEMISTRY,42(5):659-665 1994
Author:ONO, K; HATTORI, H; UEMURA, KI; NAKAYAMA, J; OTA, H; KATSUYAMA, T

ORGANIZED DIFFERENTIATION OF TUMOR-CELLS OF VILLOUS ADENOMAS OF THE LARGE-INTESTINE
ACTA HISTOCHEMICA ET CYTOCHEMICA,26(2):117-125 1993
Author:OTA, H; NAKAYAMA, J; FUJIMORI, Y; FURIHATA, K; KATSUYAMA, T; MORIYAMA, S; HATA, S; ONO, K

A MONOCLONAL-ANTIBODY, RGM41, SPECIFIC FOR THE MUCIN DERIVED FROM THE GLAND MUCOUS CELLS OF MAMMALIAN STOMACH
GLYCOCONJUGATE JOURNAL,10(4):346-346 1993
Author:ISHIHARA, K; KURIHARA, M; GOSO, Y; OTA, H; KATSUYAMA, T; HOTTA, K

DISTRIBUTION OF RETINOL-BINDING PROTEIN IN THE HUMAN DIGESTIVE-TRACT
VIRCHOWS ARCHIV B-CELL PATHOLOGY INCLUDING MOLECULAR PATHOLOGY,61(5):315-322 1992
Author:KAMEKO, M; OTA, H; ISHII, K; NAKAYAMA, J; KATSUYAMA, T; KANAI, M; TSUTSUMI, Y

ALTERNATING LAMINATED ARRAY OF 2 TYPES OF MUCIN IN THE HUMAN GASTRIC SURFACE MUCOUS LAYER
HISTOCHEMICAL JOURNAL,24(2):86-92 1992
Author:OTA, H; KATSUYAMA, T

HISTOCHEMICAL-DEMONSTRATION OF GASTROINTESTINAL MUCINS IN OVARIAN MUCINOUS CYSTADENOMA
ACTA PATHOLOGICA JAPONICA,42(2):104-110 1992
Author:SHIOZAWA, T; TSUKAHARA, Y; ISHII, K; OTA, H; NAKAYAMA, J; KATSUYAMA, T

IMMUNOHISTOCHEMICAL DEMONSTRATION OF GLYCOCONJUGATES BEARING THE TYPE-2 CHAIN-BACKBONE STRUCTURE IN HUMAN FETAL, NORMAL AND NEOPLASTIC GASTROINTESTINAL-TRACT
HISTOCHEMISTRY,97(4):303-310 1992
Author:NAKAYAMA, J; OTA, H; KATSUYAMA, T; KANAI, M; TAKI, T; HIRABAYASHI, Y; SUZUKI, Y

A DUAL STAINING METHOD FOR IDENTIFYING MUCINS OF DIFFERENT GASTRIC EPITHELIAL MUCOUS CELLS
HISTOCHEMICAL JOURNAL,23(1):22-28 1991
Author:OTA, H; KATSUYAMA, T; ISHII, K; NAKAYAMA, J; SHIOZAWA, T; TSUKAHARA, Y

ADENOCARCINOMA OF THE CERVICAL ESOPHAGUS ARISING FROM ECTOPIC GASTRIC-MUCOSA - THE HISTOCHEMICAL DETERMINATION OF ITS ORIGIN
VIRCHOWS ARCHIV A-PATHOLOGICAL ANATOMY AND HISTOPATHOLOGY,419(2):159-164 1991
Author:ISHII, K; OTA, H; NAKAYAMA, J; KATSUYAMA, T; MATSUZAWA, K; HONDA, T; AKAMATSU, T

GRIFFONIA-SIMPLICIFOLIA AGGLUTININ-2-BINDING GLYCOPROTEIN AS A NOVEL CARBOHYDRATE ANTIGEN OF HUMAN COLONIC-CARCINOMA
JAPANESE JOURNAL OFCANCER RESEARCH,81(4):388-395 1990
Author:NAKAYAMA, J; OKANO, A; MAEDA, H; MIYACHI, M; OTA, H; KATSUYAMA, T; KANAI, M

HISTOCHEMISTRY OF THE SURFACE MUCOUS GEL LAYER OF THE HUMAN GASTROINTESTINAL-TRACT
JOURNAL OF HISTOCHEMISTRY&CYTOCHEMISTRY,38(7):1018-1018 1990
Author:KATSUYAMA, T; OTA, H; KANAI, M

Presentations
Endocervical adenocarcinoma with gastric and intestinal phenotype correlates with adverse clinicopathological features and patient outcome.
USCAP Annual Meeting 2020 2020
Presenter:Shiho Asaka, Tomoyuki Nakajima, Koichi a. Ida, Ryoichi Asaka, Tsutomu Miyamoto, Takeshi Uehara, Hiroyoshi Ota.

Correlation of Clinicopathological Features and LGR5 Expression in Colon Adenocarcinoma.
USCAP Annual Meeting 2019 2019
Presenter:Koichi Sato, Takeshi Uehara, Tomoyuki Nakajima, Hiroyoshi Ota.

Immunophenotypic Classification of Endocervical Adenocarcinoma in situ Based on Comprehensive Immunohistochemical Markers: Gastric-Type, Gastrointestinal-Type, Intestinal-Type, and Mullerian-Type.
USCAP Annual Meeting 2019 2019
Presenter:Shiho Asaka, Tomoyuki Nakajima, Takeshi Uehara, Hiroyoshi Ota.

Most colitis associated carcinomas lack expression of LgR5: implications for unique pathways of carcinogenesis compared to sporadic colorectal carcinoma.
USCAP Annual Meeting 2019 2019
Presenter:Mai Iwaya, Hiroyoshi Ota, Tomoyuki Nakajima, Robert Riddell, James Conner.

Immunophenotypic Classification of Endocervical Adenocarcinoma in situ Based on Comprehensive Immunohistochemical Markers: Gastric-Type, Gastrointestinal-Type, Intestinal-Type, and Mullerian-Type.
Mod Pathol 32 suppl 2 999 2019
Presenter:Asaka S, Nakajima T, Uehara T, Ota H.

A Distinct Clinicopathological Entity-Autoimmune Pancreatitis-Associated Prostatitis
the United States and Canadian Academy of Pathology's 97th Annual Meeting, Denver 2008
Presenter:Uehara　T, Hamano　H, Kawakami　M, Koyama　M, Kawa　S, Sano　K, Honda　T, Oki　K, H Ota

Effect of Helicobacter infection on hepatocytes
Asian Pacific Digestive Week 2007, Kobe 2007
Presenter:Ito K, Yamaoka Y, Yoffe B, Ota H, El-Zimaity H, Reyes VE, Tajiri H, Graham DY

Adherence, internalization and persistence of Helicobacter pylori in human hepatocytes
The annual meeting of the American gastroenterological association and digestive disease week, Los Angeles 2006
Presenter:Ito K, Yamaoka Y, El-Zimaity H, Ota H, Graham DY

Translocation (11;18) and Gastric High Grade Lymphoma Risk
the 71st Annual Scientific Meeting of the American College of Gastroenterology, Las Vegas 2006
Presenter:Toracchio S, PhD, de Jong D, Wotherspoon A, Rugge M, Ota H, Graham DY, El-Zimaity H

Roles of Th1 and Th2 cytokines expression in acute and chronic Helicobacter pylori infection using Mongolian gerbil model”
XVIth International workshop gastrointestinal pathology and Helicobacter European Helicobacter study group, Stockholm, 2003
Presenter:Yamaoka Y, Yamauchi K, Ota H, Sugiyama A, Ishizone S, Graham DY, Maruta F, Murakami M, Katsuyama T

Roles of cagG and HP0524 in the cag pathogenicity island in the gastic pathogenesis using a Mongolian Gerbil model”,
XVIth International workshop gastrointestinal pathology and Helicobacter European Helicobacter study group, Stockholm, 2003
Presenter:Saito H, Ishizone S, Sugiyama A, Ota H, Katsuyama T, Yamaoka Y, Miyagawa S

Helicobacter heilmannii infection induces chronic gastritis in Mongolian gerbils”,
XVIth International workshop gastrointestinal pathology and Helicobacter European Helicobacter study group, Stockholm, 2003 2003
Presenter:Hosoda W, Kawakubo K, Ota H, Kawakami Y, Hayama M, Hidaka K, Sakura K, Kumagai T, Okimura Y, Katsuyama T

Cell kinetic study of the endometrium by nonisotopic in situ hybridization for histone H3 messenger RNA and immunohistochemistry for Ki-67 and for estrogen and progesterone receptors.
Anat Rec 266 234-240 2002
Presenter:Hayama M, Ota H, Toki T, Ishii K, Honda T, Momose M, Nakata R

Research Grants: Grants‐in‐aid for Scientific Research(Research Representative)
2017 - 2019 , 子宮頸管分泌液中のTFF検出による子宮頸部腺系病変の早期発見に関する検査法の開発 , 基盤研究(C)
2014 - 2016 , 子宮頸部固有上皮型腺癌、胃腸型腺癌、前癌病変の病理診断基準と検査診断法の開発 , 基盤研究(C)
2011 - 2013 , 胃粘膜の表現型を示す腺癌（胃型腺癌）とその前癌病変の臨床病理学的診断法の開発 , 基盤研究(C)
2008 - 2010 , ヘリコバクター・ハイルマニ関連胃粘膜病変の病態解析と菌体の病原性解析 , 基盤研究(C)
2005 - 2007 , ヘリコバクター・ハイルマニ感染関連胃悪性リンパ腫の病態解析と臨床病理学的研究 , 基盤研究(C)
2003 - 2004 , ヘリコバクター・ハイルマニー感染症の病理および病態の解明と診断法の開発 , 基盤研究(C)

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