
IWAYA Mai
Academic Assembly School of Medicine and Health Sciences Institute of Medicine
Shinshu University Hospital Clinical Laboratory
Senior Assistant Professor
Researcher Information
Research Keyword
- Gastrointesinal pathology, Inflammatory bowel disease
Web site
Educational Background
Research activity information
Paper
- Leucine-rich repeat-containing G protein-coupled receptor 5 expression in lymph node metastases of colorectal cancer: Clinicopathological insights and prognostic implications.
Hiroshi Sawaguchi; Takeshi Uehara; Mai Iwaya; Shiho Asaka; Tomoyuki Nakajima; Masato Kamakura; Tadanobu Nagaya; Takahiro Yoshizawa; Hiroyoshi Ota; Takeji Umemura
Pathology international, 74(7), 387-393, Jul. 2024 - Interleukin-6 Stromal Expression is Correlated with Epithelial-Mesenchymal Transition at Tumor Budding in Colorectal Cancer.
Takeshi Uehara; Koichi Sato; Mai Iwaya; Shiho Asaka; Tomoyuki Nakajima; Tadanobu Nagaya; Masato Kitazawa; Hiroyoshi Ota
International journal of surgical pathology, 32(2), 304-309, Apr. 2024 - Thrombospondin 2 is a key determinant of fibrogenesis in non-alcoholic fatty liver disease.
Takefumi Kimura; Takanobu Iwadare; Shun-Ichi Wakabayashi; Seema Kuldeep; Tomoyuki Nakajima; Tomoo Yamazaki; Daiki Aomura; Hamim Zafar; Mai Iwaya; Satoru Joshita; Takeshi Uehara; Sai P Pydi; Naoki Tanaka; Takeji Umemura
Liver international : official journal of the International Association for the Study of the Liver, 44(2), 483-496, Feb. 2024 - 肝芽腫および腎腫瘤を認めた18トリソミーの1女児例
待井 遥; 森谷 勇介; 小川 瑛雄; 矢部 愛美; 古井 優; 大日方 春香; 丸山 悠太; 宗像 俊; 齋藤 章治; 神谷 素子; 三代澤 幸秀; 中沢 洋三; 吉澤 一貴; 大野 康成; 滝沢 桃子; 岩谷 舞
日本小児科学会雑誌, 128(1), 70-70, Jan. 2024 - 肝芽腫および腎腫瘤を認めた18トリソミーの1女児例
待井 遥; 森谷 勇介; 小川 瑛雄; 矢部 愛美; 古井 優; 大日方 春香; 丸山 悠太; 宗像 俊; 齋藤 章治; 神谷 素子; 三代澤 幸秀; 中沢 洋三; 吉澤 一貴; 大野 康成; 滝沢 桃子; 岩谷 舞
日本小児科学会雑誌, 128(1), 70-70, Jan. 2024 - Mucosal damage in pancreaticobiliary maljunction is stronger in the gallbladder than in the bile duct.
Masato Kamakura; Takeshi Uehara; Takashi Muraki; Mai Iwaya; Shiho Asaka; Tomoyuki Nakajima; Yugo Iwaya; Tadanobu Nagaya; Takahiro Yoshizawa; Akira Shimizu; Yasuhiro Kuraishi; Hiroyoshi Ota; Takeji Umemura
Pathology, research and practice, 253, 155011-155011, Jan. 2024 - Artificial intelligence for evaluating the risk of gastric cancer: reliable detection and scoring of intestinal metaplasia with deep learning algorithms.
Mai Iwaya; Yuichiro Hayashi; Yasuhiro Sakai; Akihiko Yoshizawa; Yugo Iwaya; Takeshi Uehara; Masanobu Kitagawa; Masashi Fukayama; Kensaku Mori; Hiroyoshi Ota
Gastrointestinal endoscopy, 98(6), 925-933, Dec. 2023 - IgG4 expression and IgG4/IgG ratio in the tumour invasion front predict long-term outcomes for patients with intrahepatic cholangiocarcinoma.
Takahiro Yoshizawa; Takeshi Uehara; Mai Iwaya; Shiho Asaka; Tomoyuki Nakajima; Yasuhiro Kinugawa; Akira Shimizu; Koji Kubota; Tsuyoshi Notake; Hitoshi Masuo; Hiroki Sakai; Kiyotaka Hosoda; Hikaru Hayashi; Tadanobu Nagaya; Hiroyoshi Ota; Yuji Soejima
Pathology, 55(4), 508-513, Jun. 2023 - Low-grade mixed neuroendocrine-non-neuroendocrine neoplasm of the extrahepatic bile duct: A rare tumour with 11 years' follow-up before surgery
Kubota, Koji; Sato, Yoshinori; Iwaya, Mai; Notake, Tsuyoshi; Shimizu, Akira; Iguchi, Takuya; Uehara, Takeshi; Ota, Hiroyoshi; Soejima, Yuji
PATHOLOGY INTERNATIONAL, 73(4), 173-176, Apr. 2023 - Number and distribution of eosinophils and lymphocytes in the Japanese pediatric gastrointestinal tract: in search of a definition for "abnormally increased eosinophils"
Iwaya, Mai; Kobayashi, Shota; Nakayama, Yoshiko; Kato, Sawako; Kurasawa, Shingo; Sado, Tomomitsu; Iwaya, Yugo; Uehara, Takeshi; Ota, Hiroyoshi
WORLD JOURNAL OF PEDIATRICS, 19(3), 251-260, Mar. 2023 - High expression of LGR6 is a poor prognostic factor in esophageal carcinoma
Ehara, Takehito; Uehara, Takeshi; Yoshizawa, Takahiro; Kinugawa, Yasuhiro; Nakajima, Tomoyuki; Kobayashi, Shota; Asaka, Shiho; Iwaya, Mai; Nagaya, Tadanobu; Kitazawa, Masato; Ota, Hiroyoshi; Soejima, Yuji
PATHOLOGY RESEARCH AND PRACTICE, 242, 154312, Feb. 2023 - Surgical revascularization for quasi-moyamoya disease associated with polyneuropathy, organomegaly, endocrinopathy, monoclonal gammopathy, and skin changes (POEMS) syndrome: a case report and literature review
Kubota, Yuki; Hanaoka, Yoshiki; Koyama, Jun-ichi; Takahashi, Yusuke; Katoh, Nagaaki; Iwaya, Mai; Fujii, Yu; Ogiwara, Toshihiro; Horiuchi, Tetsuyoshi
NAGOYA JOURNAL OF MEDICAL SCIENCE, 85(1), 141-149, Feb. 2023 - Hereditary diffuse gastric cancer in a Japanese family with CDH1 mutation three case reports
Muranaka, Futoshi; Kise, Emiko; Tokumaru, Shigeo; Kitazawa, Masato; Miyagawa, Yusuke; Suga, Tomoaki; Uehara, Takeshi; Iwaya, Mai; Kobayashi, Shota; Sato, Midori; Gomi, Daisuke; Yamada, Hidetaka; Sugimura, Haruhiko; Kosho, Tomoki; Soejima, Yuji; Koizumi, Tomonobu
DISCOVER ONCOLOGY, 14(1), 14, 2023 - Increased GS-II lectin binding and SATB2 downregulation are biological features for sessile serrated lesions and microvesicular hyperplastic polyps
Matoba, Hisanori; Iwaya, Mai; Sato, Yoshiko; Kobayashi, Noriyasu; Takemura, Haruka; Kouno, Yusuke; Karasawa, Ayumi; Nakayama, Jun
PATHOLOGY INTERNATIONAL, 73(6), 246-254, 2023 - Osteopontin expression in the invasive front stroma of colorectal adenocarcinoma is associated with tumor budding and prognosis
Nakajima, Tomoyuki; Uehara, Takeshi; Iwaya, Mai; Matsuda, Kazuyuki; Wada, Megumi; Nagaya, Tadanobu; Ehara, Takehito; Ota, Hiroyoshi
PATHOLOGY RESEARCH AND PRACTICE, 240, 154190, Dec. 2022 - Correlation of LGR5 expression and clinicopathological features in intrahepatic cholangiocarcinoma
Yoshizawa, Takahiro; Uehara, Takeshi; Iwaya, Mai; Asaka, Shiho; Kobayashi, Shota; Nakajima, Tomoyuki; Kinugawa, Yasuhiro; Nagaya, Tadanobu; Kamakura, Masato; Shimizu, Akira; Kubota, Koji; Notake, Tsuyoshi; Masuo, Hitoshi; Hosoda, Kiyotaka; Sakai, Hiroki; Hayashi, Hikaru; Umemura, Kentaro; Kamachi, Atsushi; Goto, Takamune; Tomida, Hidenori; Yamazaki, Shiori; Ota, Hiroyoshi; Soejima, Yuji
PATHOLOGY RESEARCH AND PRACTICE, 232, 153832, Apr. 2022 - LGR5 expression and clinicopathological features of the invasive front in the fat infiltration area of pancreatic cancer
Kamakura, Masato; Uehara, Takeshi; Iwaya, Mai; Asaka, Shiho; Kobayashi, Shota; Nakajima, Tomoyuki; Kinugawa, Yasuhiro; Nagaya, Tadanobu; Yoshizawa, Takahiro; Shimizu, Akira; Ota, Hiroyoshi; Umemura, Takeji
DIAGNOSTIC PATHOLOGY, 17(1), 21-21, 2022 - A preliminary study of the diagnostic efficacy and safety of the novel boring biopsy for brain lesions
Ogiwara, Toshihiro; Nitta, Junpei; Fujii, Yu; Watanabe, Gen; Kuwabara, Haruki; Agata, Masahiro; Kobayashi, Hideki; Miyaoka, Yoshinari; Kitamura, Satoshi; Hanaoka, Yoshiki; Goto, Tetsuya; Iwaya, Mai; Hongo, Kazuhiro; Horiuchi, Tetsuyoshi
SCIENTIFIC REPORTS, 12(1), 4387, 2022 - Macroscopic and microscopic findings of multi-folded hamstring grafts of anatomical double-bundle ACL reconstruction 13 years after surgery
Kumaki, Daiki; Tensho, Keiji; Iwaya, Mai; Iwaasa, Tomoya; Yoshida, Kazushige; Koyama, Suguru; Shimodaira, Hiroki; Horiuchi, Hiroshi; Takahashi, Jun
KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY, 31(6), 2406-2411, 2022 - Circulating thrombospondin 2 levels reflect fibrosis severity and disease activity in HCV-infected patients
Iwadare, Takanobu; Kimura, Takefumi; Tanaka, Naoki; Yamazaki, Tomoo; Wakabayashi, Shun-ichi; Okumura, Taiki; Kobayashi, Hiroyuki; Yamashita, Yuki; Pydi, Sai P.; Nakajima, Tomoyuki; Iwaya, Mai; Sugiura, Ayumi; Joshita, Satoru; Uehara, Takeshi; Umemura, Takeji
SCIENTIFIC REPORTS, 12(1), 18900-18900, 2022 - Colitis-associated colorectal adenocarcinomas frequently express claudin 18 isoform 2: implications for claudin 18.2 monoclonal antibody therapy
Iwaya, Mai; Hayashi, Hiroyuki; Nakajima, Tomoyuki; Matsuda, Kazuyuki; Kinugawa, Yasuhiro; Tobe, Yosuke; Tateishi, Yoko; Iwaya, Yugo; Uehara, Takeshi; Ota, Hiroyoshi
HISTOPATHOLOGY, 79(2), 227-237, Aug. 2021 - Superiority of sucrase-isomaltase to CD10 for immunohistochemical detection of intestinal absorptive cell phenotype in differentiated-type gastric adenocarcinoma.
Hiroyoshi Ota; Masayuki Ito; Chinatsu Kobayashi; Shiho Asaka; Mai Iwaya; Takeshi Uehara
International journal of clinical and experimental pathology, 14(10), 1031-1037, 2021, Refereed - Immunostaining With Immunoglobulin G Subclass Antibody Cocktail for Diagnosis of Type 1 Autoimmune Pancreatitis
Nakata, Rie; Uehara, Takeshi; Iwaya, Mai; Asaka, Shiho; Kobayashi, Shota; Sugano, Mitsutoshi; Higuchi, Kayoko; Kusama, Yukiko; Nakazawa, Koh; Nakaguro, Masato; Kobayashi, Mikiko; Tateishi, Ayako; Makino, Mutsuki; Kawaguchi, Kenji; Maejima, Toshitaka; Ishii, Keiko; Sano, Kenji; Shimojo, Hisashi; Hori, Atsushi; Otsuki, Toshiaki; Hamano, Hideaki; Kawa, Shigeyuki; Ota, Hiroyoshi
INTERNATIONAL JOURNAL OF SURGICAL PATHOLOGY, 28(8), 844-849, Dec. 2020 - Characterization of LGR5 Expression in Tumor Budding of Colorectal Carcinoma with PD-L1 Expression
Sato, Koichi; Uehara, Takeshi; Nakajima, Tomoyuki; Iwaya, Mai; Ota, Hiroyoshi
MODERN PATHOLOGY, 33(SUPPL 2), 763-763, Mar. 2020 - Characterization of LGR5 Expression in Tumor Budding of Colorectal Carcinoma with PD-L1 Expression
Sato, Koichi; Uehara, Takeshi; Nakajima, Tomoyuki; Iwaya, Mai; Ota, Hiroyoshi
LABORATORY INVESTIGATION, 100(SUPPL 1), 763-763, Mar. 2020 - 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, Ota H.
Anat Rec (Hoboken)., 301(5), 796-805, May 2018 - 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, Dec. 2015 - Principal cells in gastric neoplasia of fundic gland (chief cell predominant) type show characteristics of immature chief cells
Ota, Hiroyoshi; Yamaguchi, Dai; Iwaya, Mai; Kobayashi, Mikiko; Tateiwa, Nobuyuki; Iwaya, Yugo; Momose, Masanobu; Uehara, Takeshi
PATHOLOGY INTERNATIONAL, 65(4), 202-204, Apr. 2015 - Helicobacter pylori-negative Differentiated Adenocarcinoma of the Stomach
Nagaya, Tadanobu; Tanaka, Naoki; Iwaya, Yugo; Jimbo, Yoko; Tatai, Toshiharu; Ito, Tetsuya; Seki, Ayako; Suzawa, Kenichi; Ochi, Yasuhide; Hara, Etsuo; Takata, Manabu; Otsuki, Toshiaki; Iwaya, Mai; Hosaka, Noriko; Arakura, Norikazu; Tanaka, Eiji; Hasebe, Osamu
INTERNAL MEDICINE, 54(22), 2857-2862, 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, Seiichi; Uehara, Takeshi; Higuchi, Kayoko; Hosaka, Noriko; Iwaya, Mai; Maruyama, Yasuhiro; Matsuda, Kazuyuki; Arakura, Norikazu; Tanaka, Eiji; Ota, Hiroyoshi
ACTA HISTOCHEMICA ET CYTOCHEMICA, 48(6), 193-204, 2015 - Eosinophilic Gastroenteritis Complicated with Helicobacter pylori Infection Unresponsive to Eradication Therapy
Nakamura, Akira; Iwaya, Yugo; Iwaya, Mai; Okamura, Takuma; Kobayashi, Satoshi; Daikuhara, Seiichi; Nozawa, Yuichi; Fukuzawa, Shinya; Nakamura, Shinichiro; Okuhara, Sadahisa; Yamada, Shigenori; Yokosawa, Shuichi; Suga, Tomoaki; Arakura, Norikazu; Tanaka, Eiji
INTERNAL MEDICINE, 53(18), 2061-2065, 2014 - 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, Mai; Uehara, Takeshi; Yoshizawa, Akihiko; Kobayashi, Yukihiro; Momose, Masanobu; Honda, Takayuki; Ota, Hiroyoshi
AMERICAN JOURNAL OF DERMATOPATHOLOGY, 34(8), E139-E145, Dec. 2012 - ヒト腸管スピロヘータ症 日本人17例の解析
吉澤 明彦; 小島 英吾; 堀松 高博; 岩谷 舞; 足立 吉數
Brachyspira, 3(1), 3-18, Jun. 2012 - 悪性リンパ腫の心筋浸潤により死亡した一剖検例
木邑 健太郎; 町田 良亮; 森田 岳成; 田中 俊憲; 新澤 真理; 酒井 寿明; 百瀬 智康; 三澤 卓夫; 宮原 隆成; 北澤 邦彦; 岩谷 舞; 佐野 健司
長野県医学会雑誌, 42, 24-26, Mar. 2012 - IgG4-Related Airway Involvement Which Developed in a Patient Receiving Corticosteroid Therapy for Autoimmune Pancreatitis
Yamamoto, Hiroshi; Yasuo, Masanori; Nomura, Yayoi; Agatsuma, Toshihiko; Ushiki, Atsuhito; Yokoyama, Toshiki; Urushihata, Kazuhisa; Hanaoka, Masayuki; Koizumi, Tomonobu; Iwaya, Mai; Yoshizawa, Akihiko; Kawakami, Satoshi; Hamano, Hideaki; Kawa, Shigeyuki; Kubo, Keishi
INTERNAL MEDICINE, 50(24), 3023-3026, 2011