医学博士, Shinshu University

Others, Laboratory Medicine

Human pathology, Human pathology

1985, Shinshu University, Faculty of Medicine

2019
理事, Japanese society for　Helicobacter　Recearch

2005 - 2019
評議員, Japanese society for Helicobacter Recearch

2004
評議員, Japanese Society of Laboratry Medicine

2001
評議員, Japanese Society of Clinical Cytology

1998
評議員, Japanese Society of Pathology

An Immunohistochemical Analysis of Osteopontin and S100 Calcium-binding Protein P is Useful for Subclassifying Large- and Small-duct Type Intrahepatic Cholangiocarcinomas
T. Yoshizawa, T. Uehara, M. Iwaya, T. Nakajima, A. Shimizu, K. Kubota, T. Notake, N. Kitagawa, H. Masuo, H. Sakai, H. Hayashi, H. Tomida, S. Yamazaki, S. Hirano, H. Ota, Y. Soejima
Am J Surg Pathol, 48, 751-760, 2024

Interleukin-6 Stromal Expression is Correlated with Epithelial-Mesenchymal Transition at Tumor Budding in Colorectal Cancer
T. Uehara, K. Sato, M. Iwaya, S. Asaka, T. Nakajima, T. Nagaya, M. Kitazawa, H. Ota
Int J Surg Pathol, 32, 304-309, 2024

Triple-drug combination therapy versus six-month proton pump inhibitor monotherapy in non-Helicobacter pylori Helicobacter eradication, and hyperacid environment preference of Helicobacter suis: a clinical study
T. Tsukadaira, S. Hayashi, H. Ota, N. Kobayashi, H. Agawa, H. Kodaira, Y. Sekiguchi, T. Matsumoto, K. Horiuchi, T. Negishi, T. Tada
BMC Gastroenterol, 24, e157, 2024

Gastric carcinoma of the fundic gland type developed 32 years after Helicobacter pylori eradication for duodenal ulcer: a case report
D. Suto, K. Sato, M. Yoshida, H. Ota, T. Otake, Y. Osawa, Y. Nakazato, H. Ohdaira, Y. Suzuki, Y. Kohgo
Ann Med Surg, 86, 4227-4230, 2024

Leucine-rich repeat-containing G protein-coupled receptor 5 expression in lymph node metastases of colorectal cancer: Clinicopathological insights and prognostic implications
H. Sawaguchi, T. Uehara, M. Iwaya, S. Asaka, T. Nakajima, M. Kamakura, T. Nagaya, T. Yoshizawa, H. Ota, T. Umemura
Pathol Int, 74, 387-393, 2024

Diagnosis by combination of endoscopic findings helps differentiate non-Helicobacter pylori Helicobacter-infected gastritis from Helicobacter pylori-infected gastritis
T. Okamura, Y. Iwaya, T. Nagaya, K. Horiuchi, T. Negishi, H. Ota, T. Umemura
Helicobacter, 29, e13070, 2024

Mucosal damage in pancreaticobiliary maljunction is stronger in the gallbladder than in the bile duct
M. Kamakura, T. Uehara, T. Muraki, M. Iwaya, S. Asaka, T. Nakajima, Y. Iwaya, T. Nagaya, T. Yoshizawa, A. Shimizu, Y. Kuraishi, H. Ota, T. Umemura
Pathol Res Pract , 253, 155011 (article number), 2024

Four cases of non-Helicobacter pylori Helicobacter-infected gastritis with duodenal spiral bacilli
H. Agawa, T. Tsukadaira, N. Kobayashi, H. Kodaira, H. Ota, T. Matsumoto, K. Horiuchi, T. Negishi, T. Tada
Helicobacter, 29, e13083, 2024

Variability in morphology and immunohistochemistry of Crohn's disease-associated small bowel neoplasms: implications of Claudin 18 and Cadherin 17 expression for tumor-targeted immunotherapies
M. Iwaya, M. Kodama, K. Abe, K. Maeda, T. Nakajima, T. Uehara, R. Nishio, T. Yamana, R. Riddell, H. Ota
Virchows Arch, 2024

Expression profiles of cadherin 17 and claudin 18.2 in comparison with peptide hormonal expression in pancreatic neuroendocrine tumours: Implications for targeted immunotherapy
K. Maeda, T. Uehara, W. Hosoda, Y. Kuraishi, H. Ota
Pathol Res Pract, 262, 155537 (Online ahead of print), 2024

Number and distribution of eosinophils and lymphocytes in the Japanese pediatric gastrointestinal tract: in search of a definition for "abnormally increased eosinophils".
Iwaya M, Kobayashi S, Nakayama Y, Kato S, Kurasawa S, Sado T, Iwaya Y, Uehara T, Ota H.
World J Pediatr., 19(3), 251-260, 2023

High expression of LGR6 is a poor prognostic factor in esophageal carcinoma.
Ehara T, Uehara T, Yoshizawa T, Kinugawa Y, Nakajima T, Kobayashi S, Asaka S, Mai Iwaya 4, Nagaya T, Kitazawa M, Ota H, Soejima Y.
Pathol Res Pract, 242, 154312, 2023

IgG4 expression and IgG4/IgG ratio in the tumour invasion front predict long-term outcomes for patients with intrahepatic cholangiocarcinoma.
Yoshizawa T, Uehara T, Iwaya M, Asaka S, Nakajima T, Kinugawa Y, Shimizu A, Kubota K, Notake T, Masuo H, Sakai H, Hosoda K, Hayashi H, Nagaya T, Ota H
Pathology, 55(4), 508-513, 2023

Rising Trends of Endoscopic Barrett's Esophagus and Gastric Fundic Gland Polyps in Young Japanese Adults
Atushi Morita, Akira Horiuchi, Hiroyoshi Ota, Ichitaro Horiuchi, Hidetosi Takada
Turk J Gastroenterol, 34(9), 925-931, 2023

Artificial intelligence for evaluating the risk of gastric cancer: reliable detection and scoring of intestinal metaplasia with deep learning algorithms.
Iwaya M, Hayashi Y, Sakai Y, Yoshizawa A, Iwaya Y, Uehara T, Kitagawa M, Fukayama M, Mori K, Ota H.
Gastrointest Endosc, 2023

Development of serological assays to identify Helicobactersuis and H. pylori infections
Matsui H, Rimbara E, Suzuki M, Tokunaga K, Suzuki H, Sano M, Ueda T, Tsugawa H, Nanjo S, Takeda A, Sasaki M, Terao S, Suda T, Aoki S, Shibayama K, Ota H, Mabe.
iScience, 26(4), e106522, 2023

Low-grade mixed neuroendocrine-non-neuroendocrine neoplasm of the extrahepatic bile duct: A rare tumour with 11 years' follow-up before surgery.
Kubota K, Sato Y, Iwaya M, Notake T, Shimizu A, Iguchi T, Uehara T, Ota H, Soejima Y.
Pathol Int, 73(4), 173-176, 2023

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

Histopathologically defined intestinal metaplasia in lesser curvature of corpus prior to Helicobacter pylori eradication is a risk factor for gastric cancer development.
Daichi Hara, Takuma Okamura, Yugo Iwaya , Tadanobu Nagaya, Hiroyoshi Ota , Takeji Umemura.
HELICOBACTER, 27(6), e12934, 2022

LGR5 expression and clinicopathological features of the invasive front in the fat infiltration area of pancreatic cancer.
Kamakura M, Uehara T, Iwaya M, Asaka S, Kobayashi S, Nakajima T, Kinugawa Y, Nagaya T, Yoshizawa T, Shimizu A, Ota H, Umemura T.
Diagn Pathol, 17(1), 21, 2022

Correlation of LGR5 expression and clinicopathological features in intrahepatic cholangiocarcinoma.　
Yoshizawa T, Uehara T, Iwaya M, Asaka S, Kobayashi S, Nakajima T, Kinugawa Y, Nagaya T, Kamakura M, Shimizu A, Kubota K, Notake T, Masuo H, Hosoda K, Sakai H, Hayashi H, Umemura K, Kamachi A, Goto T, Tomida H, Yamazaki S, Ota H, Soejima Y.
Pathol Res Pract., 232, 153832, 2022

Osteopontin expression in the invasive front stroma of colorectal adenocarcinoma is associated with tumor budding and prognosis.
Nakajima T, Uehara T, Iwaya M, Matsuda K, Wada M, Nagaya T, Ehara T, Ota H.
Pathol Res Pract, 240, 154190, 2022

食道上皮内腫瘍の内視鏡的検討
高橋　亜紀子 , 小山　恒男 , 塩澤　哲 , 荒川　愛子 , 太田　浩良
胃と腸, 57(3), 273-282, 2022

Gastric adenocarcinoma arising from hamartomatous inverted polyp during 8-year follow-up.
Takuma Okamura, Yugo Iwaya, Tadanobu Nagaya, Futoshi Muranaka, Hiroyoshi Ota, Takeji Umemura
DEN OPEN, 2, e16., 2022

A rare case of an enterochromaffin-like neuroendocrine tumor associated with parietal cell dysfunction treated using endoscopic submucosal dissection.
Sho Shiroma, Kayoko Higuchi, Hiroyoshi Ota, Junji Umeno, Mitsuaki Ishioka, Toshiaki Hirasawa , Hiroko Kuba , Takeshi Ono, Ryoji Uchima, Ryoji Nagamura
Clin J Gastroenterol, 15(6), 1041-1047, 2022

Taxane関連消化管粘膜上皮傷害像を認めた胃過形成ポリープの1例
成澤友里，玉田恒，岩谷舞，上原剛，太田浩良
診断病理, 39(3), 216-220, 2022

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

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

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

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

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

Immunophenotype analysis using CLDN18, CDH17, and PAX8 for the subcategorization of endocervical adenocarcinomas in situ: gastric-type, intestinal-type, gastrointestinal-type, and Müllerian-type.
Shiho Asaka, Tomoyuki Nakajima, Kaori Kugo ,Risako Kashiwagi, Nozomi Yazaki, Tsutomu Miyamoto, Takeshi Uehara, Hiroyoshi Ota.
Virchows Arch, 476(4), 499-510, 2020

消化管生検の基本と注意事項
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
消化器内視鏡, 32(4), 504-513, 2020

Immunostaining With Immunoglobulin G Subclass Antibody Cocktail for Diagnosis of Type 1 Autoimmune Pancreatitis.
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
Int J Surg Pathol, 28(8), 844-849, 2020, Refereed
Last

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

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

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

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

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

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

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.
Asaka S, Nakajima T, Momose M, Miyamoto T, Uehara T, Ota H.
Virchows Arch, 474(1), 79-86, 2019

Evidence for a primate origin of zoonotic Helicobacter suis colonizing domesticated pigs.
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.
ISME J, 12(1), 77-86, 2018, Refereed

Promoter hypomethylation of SKI in autoimmune pancreatitis.
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.
Pathol Res Pract, 214(4), 492-497, 2018, Refereed

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

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

Cloning of Helicobacter suis cholesterol α-glucosyltransferase and production of an antibody capable of detecting it in formalin-fixed, paraffin-embedded gastric tissue sections.
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.
Histochem Cell Biol, 148(4), 463-471, 2017, Refereed

Methylation of Tumor Suppressor Genes in Autoimmune Pancreatitis.
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.
Pancreas, 46(5), 614-618, 2017

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

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

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

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

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

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

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

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

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

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

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

Development of new PCR primers by comparative genomics for the detection of Helicobacter suis in gastric biopsy specimens.
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.
HELICOBACTER, 19(4), 260-271, 2014

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

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

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

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
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
日本消化器外科学会雑誌, 47(7), 381-387, 2014

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
浅香 志穂, 福島 万奈, 下条 久志, 太田 浩良, 黒田 直人, 本田 孝行
診断病理, 30(1), 23-27, 2013

【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
太田 浩良, 小林 実喜子, 上原 剛
Helicobacter Research, 17(1), 25-30, 2013

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)
太田 浩良
Helicobacter Research, 18(1), 78-81, 2013

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

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
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
日本ヘリコバクター学会誌, 16(1), 11-16, 2013

【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
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
胃と腸, 49(5), 623-634, 2013

【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
岡村 卓磨, 長屋 匡信, 岩谷 勇吾, 菅 智明, 太田 浩良, 新倉 則和
消化器内科, 58(3), 283-290, 2013

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
小堺 智文, 西澤 和世, 石田 章子, 米田 傑, 太田 浩良
日本臨床細胞学会雑誌, 52(5), 459-465, 2013

【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
太田 浩良, 上原 剛
消化器の臨床, 16(4), 357-362, 2013

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

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

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

【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
宮林 秀晴, 長屋 匡信, 菅 智明, 下平 和久, 太田 浩良
臨床消化器内科, 27(13), 1691-1698, 2013

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

Neonatal Fc receptor for IgG (FcRn) expressed in the gastric epithelium regulates bacterial infection in mice.
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.
Mucosal Immunol, 5(1), 87-98, 2012

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

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

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

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

IFN-γ plays an essential role in the pathogenesis of gastric lymphoid follicles formation caused by Helicobacter suis infection.
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.
FEMS Immunol Med Microbiol, 63(1), 25-34, 2011

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

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

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

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.
Kubota S, Yamauchi K, Sugano M, Kawasaki K, Sugiyama A, Matsuzawa K, Akamatsu T, Ohmoto Y, Ota H.
Dig Dis Sci., 56(12), 3498-3506, 2011

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.
Akamatsu T, Kaneko Y, Ota H, Miyabayashi H, Arakura N, Tanaka E.
Dig Endosc, 22(1), 33-38, 2010

Chronic gastritis in the setting of autoimmune pancreatitis.
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.
Am J Surg Pathol., 34(9), 1241-1249, 2010

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

Helicobacter heilmannii” can induce gastric lymphoid follicles in mice via a Peyer’s Patch independent pathway.
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.
FEMS Immunol Med Microbiol, 60(2), 156-164, 2010

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.
Suzuki A, Kobayashi M, Matsuda K, Matsumoto T, Kawakubo M, Kumazawa S, Koide N, Miyagawa S, Ota H.
HELICOBACTER, 15(6), 538-548, 2010

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.　
Matsumoto T, Kawakubo M, Shiohara M, Kumagai T, Hidaka E, Yamauchi K, Oana K, Matsuzawa K, Ota H, Kawakami Y.
J Microbiol, 47(2), 201-7, 2009

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

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

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

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

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

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

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

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

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

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

Quantitative Determination of Gland Mucous Cells-type Mucin Using a Monoclonal Antibody, HIK1083: Its Pathophysiological Changes in Human Gastric Juice.
Kubota S, Yamauchi K, Kumagai T, Sugano M, Kawasaki K, Tozuka M, Akamatsu T, Matsuzawa K, Sugiyama A, Kurihara M, Katsuyama T, Ota H
Clin Chim Acta, 377, 261-267, 2007

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

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

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.
Matsuda K, Yamauchi K, Matsumoto T, Sano K, Yamaoka Y, Ota H
Scand J Gastroenterol, 43, 25-33, 2007

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

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

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

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

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

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
Kato, S; Tsukamoto, T; Mizoshita, T; Tanaka, H; Kumagai, T; Ota, H; Katsuyama, T; Asaka, M; Tatematsu, M
INTERNATIONAL JOURNAL OF CANCER, 119(7), 1558-1566, 2006

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
Liu, YP; Hidaka, E; Kaneko, Y; Akamatsu, T; Ota, H
JOURNAL OF GASTROENTEROLOGY, 41(6), 569-574, 2006

Regulation of the ASC expression in response to LPS stimulation is related to IL-8 secretion in the human intestinal mucosa
Masumoto, J; Kobayashi, H; Nakamura, T; Kaneko, Y; Ota, H; Hasegawa, M; Kobayashi, Y; Suzuki, T; Matsuda, K; Sano, K; Katsuyama, T; Inohara, N
Biochemical and biophysical research communications, 346(3), 968-973, 2006

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

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

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
Ota, H; Hayama, M; Momose, M; El-Zimaity, HMT; Matsuda, K; Sano, K; Maruta, F; Okumura, N; Katsuyama, T
HISTOCHEMISTRY AND CELL BIOLOGY, 126(5), 617-625, 2006

内視鏡的切除術を施行した巨大下咽頭脂肪腫瘍の2例
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
日本消化器内視鏡学会雑誌, 47, 2397-2404, 2005

腸閉塞を発症した回盲部子宮内膜症の1例
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
日本消化器内視鏡学会雑誌, 47, 2658-2663, 2005

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

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
太田浩良，小林幸弘，羽山正義
Helicobacter Research, 9, 470-475, 2005

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

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

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

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

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

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

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

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

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

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

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

H.pylori感染診断法　培養法
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
Madical Technology, 32, 801-807, 2004

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

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

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

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

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

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

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

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
吉澤明彦，中山　淳，太田浩良，石井恵子，勝山　努
診断病理, 20, 24-27, 2003

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

米エキスのHelicobacter pylori胃炎に対する影響
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
実験潰瘍, 30, 93-95, 2003

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

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

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

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
Murakami N, Saito N, Takahashi J, Ota H, Horiuchi H, Nawata M, Okada T, Nozaki K, Takaoka K
Biomaterals, 24, 2287-2293, 2003

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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.
Horiuchi H, Saito N, Kobayashi S, Ota H, Taketomi T, Takaoka K.
Arthritis Rheum, 46, 1922-1925, 2002

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Familial Gastrointestinal Stromal Tumor and Cutaneous Hyperpigmentation: Association with A Germline Mutation of the c-Kit Gene.
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.
GASTROENTEROLOGY, 120, 210-215, 2001

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

糖鎖および糖蛋白質の免疫組織化学
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
病理と臨床臨時増刊号, 18, 104-111, 2000

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

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

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

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

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

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

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

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

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

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
Hosaka S. Akamatsu T. Nakamura S. Kaneko T. Kitano K. Kiyosawa K. Ota H. Hosaka N. Miyabayashi H. Katsuyama T.
AMERICAN JOURNAL OF GASTROENTEROLOGY, 94(7), 1951-1954, 1999

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

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

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
Akagi, T; Motegi, M; Tamura, A; Suzuki, R; Hosokawa, Y; Suzuki, H; Ota, H; Nakamura, S; Morishima, Y; Taniwaki, M; Seto, M
Oncogene, 18(42), 5785-5794, 1999

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

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

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

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

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

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

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

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

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

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

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

Acquisition versus loss of Helicobacter pylori infection in Japan: Results from an 8-year birth cohort study
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
JOURNAL OF INFECTIOUS DISEASES, 178(3), 717-721, 1998

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

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

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

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

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

Adult-to-child transmission of Helicobacter pylori infection: Results from an 8-year birth cohort study.
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
GASTROENTEROLOGY, 114(4), A211-A211, 1998

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

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

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

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

Helicobacter pylori induces proinflammatory cytokines and major histocompatibility complex class II antigen in mouse gastric epithelial cells
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
JOURNAL OF LABORATORY AND CLINICAL MEDICINE, 130(4), 442-449, 1997

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

Application of the updated Sydney system for classification and grading of gastritis (USS)
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
Gut, 41, A53-A53, 1997

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

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

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

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

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

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

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

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

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.
Ota, H; Katsuyama, T; Langston, C; Graham, DY; Genta, RM
LABORATORY INVESTIGATION, 76(1), 992-992, 1997

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

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

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
Ishihara, K; Kurihara, M; Goso, Y; Urata, T; Ota, H; Katsuyama, T; Hotta, K
Biochemical Journal, 318, 409-416, 1996

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

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

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

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

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

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

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

A MONOCLONAL-ANTIBODY, RGM41, SPECIFIC FOR THE MUCIN DERIVED FROM THE GLAND MUCOUS CELLS OF MAMMALIAN STOMACH
Ishihara, K; Kurihara, M; Goso, Y; Ota, H; Katsuyama, T; Hotta, K
GLYCOCONJUGATE JOURNAL, 10(4), 346-346, 1993

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

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

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

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

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

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

A dual staining method for identifying mucins of different gastric epithelial mucous cells
OTA, H; KATSUYAMA, T; ISHII, K; NAKAYAMA, J; SHIOZAWA, T; TSUKAHARA, Y
HISTOCHEMICAL JOURNAL, 23(1), 22-28, 1991

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

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

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

ピロリ菌除菌治療　パーフェクトガイド
太田浩良, Single work, 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
日本医事新報社, 173-175 2015

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

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

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

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

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

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

Immunophenotypic Classification of Endocervical Adenocarcinoma in situ Based on Comprehensive Immunohistochemical Markers: Gastric-Type, Gastrointestinal-Type, Intestinal-Type, and Mullerian-Type.
Asaka S, Nakajima T, Uehara T, Ota H.
Mod Pathol 32 suppl 2 999, 2019, USCAP2019

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

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

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

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

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

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

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

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.
Hayama M, Ota H, Toki T, Ishii K, Honda T, Momose M, Nakata R
Anat Rec 266 234-240, 2002, WILEY-LISS

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

United States and Canadian Academy of Pathology

Japanese Society of Pathology

Japanese Society of Clinical Cytology

Japanese Society of Laboratry Medicine

Japanese society for　Helicobacter　Recearch

International Academy of Pathology, Japanese Branch

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
科学研究費補助金, 基盤研究(C)
2017 - 2019

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
科学研究費補助金, 基盤研究(C)
2014 - 2016

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
科学研究費補助金, 基盤研究(C)
2011 - 2013

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
科学研究費補助金, 基盤研究(C)
2008 - 2010

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
科学研究費補助金, 基盤研究(C)
2005 - 2007

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
科学研究費補助金, 基盤研究(C)
2003 - 2004

Helicobacter infection and gastrointesitnal diseases