Katsuhiro Arai

3.0k total citations
107 papers, 1.9k citations indexed

About

Katsuhiro Arai is a scholar working on Genetics, Immunology and Surgery. According to data from OpenAlex, Katsuhiro Arai has authored 107 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 41 papers in Genetics, 40 papers in Immunology and 36 papers in Surgery. Recurrent topics in Katsuhiro Arai's work include Inflammatory Bowel Disease (36 papers), Immunodeficiency and Autoimmune Disorders (24 papers) and Microscopic Colitis (21 papers). Katsuhiro Arai is often cited by papers focused on Inflammatory Bowel Disease (36 papers), Immunodeficiency and Autoimmune Disorders (24 papers) and Microscopic Colitis (21 papers). Katsuhiro Arai collaborates with scholars based in Japan, Thailand and South Korea. Katsuhiro Arai's co-authors include Atsushi Miyajima, Kazuo Fueki, Junichiro Mizusaki, Takashi Yokota, Kazuhiro Sakamaki, Taisei Kinoshita, Naohiro Terada, Noriko Sato, Toshio Kitamura and Kazuhiro Hayashida and has published in prestigious journals such as Proceedings of the National Academy of Sciences, SHILAP Revista de lepidopterología and The EMBO Journal.

In The Last Decade

Katsuhiro Arai

92 papers receiving 1.8k citations

Peers

Katsuhiro Arai
Luise Erpenbeck Germany
Ken‐ichi Matsuoka Japan
Dongzhou Liu China
Tony Kenna Australia
Hiroyuki Tahara Japan
Jing Zhou China
Yuhuan Zheng China
Luis Martínez‐Lostao Spain
J. Scott Hale United States
Ruan Zhang United States
Luise Erpenbeck Germany
Katsuhiro Arai
Citations per year, relative to Katsuhiro Arai Katsuhiro Arai (= 1×) peers Luise Erpenbeck

Countries citing papers authored by Katsuhiro Arai

Since Specialization
Citations

This map shows the geographic impact of Katsuhiro Arai's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Katsuhiro Arai with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Katsuhiro Arai more than expected).

Fields of papers citing papers by Katsuhiro Arai

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Katsuhiro Arai. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Katsuhiro Arai. The network helps show where Katsuhiro Arai may publish in the future.

Co-authorship network of co-authors of Katsuhiro Arai

This figure shows the co-authorship network connecting the top 25 collaborators of Katsuhiro Arai. A scholar is included among the top collaborators of Katsuhiro Arai based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Katsuhiro Arai. Katsuhiro Arai is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Hagiwara, Shin‐ichiro, Hirotaka Shimizu, Ryusuke Nambu, et al.. (2025). Feasibility and Safety of Small Bowel Capsule Endoscopy in Very Early-Onset Inflammatory Bowel Disease: A Multi-Institutional Study. Inflammatory Bowel Diseases. 31(12). 3279–3285.
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Takeuchi, Ichiro, Hirotaka Shimizu, Hiroki Fujikawa, et al.. (2024). Long‐term clinical and endoscopic outcomes of ustekinumab in pediatric Crohn's disease with anti‐tumor necrosis factor failure. Journal of Gastroenterology and Hepatology. 40(1). 123–132.
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Darma, Andy, Katsuhiro Arai, Jia‐Feng Wu, et al.. (2023). Impact of the Coronavirus Disease 2019 Pandemic on Pediatric Gastrointestinal Endoscopy: A Questionnaire-based Internet Survey of 162 Institutional Experiences in Asia Pacific. Pediatric Gastroenterology Hepatology & Nutrition. 26(6). 291–291.
6.
Nambu, Ryusuke, Takahiro Kudo, Hirotaka Shimizu, et al.. (2023). Prognosis of pediatric ulcerative colitis after infliximab failure: A multicenter registry‐based cohort study. Journal of Gastroenterology and Hepatology. 39(2). 312–318. 1 indexed citations
7.
Shimizu, Hirotaka, et al.. (2023). Predictors of Small Bowel Transit Time for Capsule Endoscopy in Children with Inflammatory Bowel Disease. Pediatric Gastroenterology Hepatology & Nutrition. 26(4). 181–181.
8.
Miyata, Eri, Katsuhiro Arai, Ichiro Takeuchi, Hirotaka Shimizu, & Toshiaki Shimizu. (2023). Refractory pediatric ulcerative colitis responding to high dose tofacitinib. Pediatrics International. 65(1). e15551–e15551.
9.
Takeuchi, Ichiro, et al.. (2023). Anxiety, Depression, and Quality of Life in Parents of Adolescents with Inflammatory Bowel Disease: A Longitudinal Study. Pediatric Gastroenterology Hepatology & Nutrition. 26(5). 239–239. 1 indexed citations
10.
Usami, M, Ichiro Takeuchi, Hiroki Fujikawa, et al.. (2022). Clinical features of very early-onset inflammatory bowel disease in Japan: a retrospective single-center study. Intestinal Research. 20(4). 475–481. 6 indexed citations
11.
Shimizu, Hirotaka, et al.. (2022). Long-Term Efficacy and Safety of Golimumab for Ulcerative Colitis in a Pediatric Inflammatory Bowel Disease Center in Japan. Pediatric Gastroenterology Hepatology & Nutrition. 25(6). 461–461. 3 indexed citations
12.
Shimizu, Hirotaka, Katsuhiro Arai, Ichiro Takeuchi, et al.. (2021). Long-Term Durability of Infliximab for Pediatric Ulcerative Colitis: A Retrospective Data Review in a Tertiary Children's Hospital in Japan. Pediatric Gastroenterology Hepatology & Nutrition. 24(1). 7–7. 1 indexed citations
13.
Takeuchi, Ichiro, et al.. (2021). Features and Outcomes of Children with Ulcerative Colitis who Undergo a Diagnostic Change: A Single-Center Experience. Pediatric Gastroenterology Hepatology & Nutrition. 24(4). 357–357. 1 indexed citations
14.
Takeuchi, Ichiro, Motohiro Kato, Ohsuke Migita, et al.. (2021). Intestinal outcome of bone marrow transplantation for monogenic inflammatory bowel disease. Pediatrics International. 64(1). e14750–e14750. 2 indexed citations
15.
Itabashi, Michio, Takeshi Saito, Mikihiro Inoue, et al.. (2021). P419 Psychological acceptability of surgery in patients with ulcerative colitis after total colectomy. Journal of Crohn s and Colitis. 15(Supplement_1). S424–S424.
16.
Yamada, Masaki, Seisuke Sakamoto, Kenichi Sakamoto, et al.. (2020). Fatal Epstein‐Barr virus‐associated hemophagocytic lymphohistiocytosis with virus‐infected T cells after pediatric multivisceral transplantation: A proof‐of‐concept case report. Pediatric Transplantation. 25(3). e13961–e13961. 3 indexed citations
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Tsuchida, Naomi, Yohei Kirino, Masafumi Onodera, et al.. (2019). Haploinsufficiency of A20 caused by a novel nonsense variant or entire deletion of TNFAIP3 is clinically distinct from Behçet’s disease. Arthritis Research & Therapy. 21(1). 137–137. 43 indexed citations
19.
Yanagi, Tadahiro, Kosuke Ushijima, Hidenobu Koga, et al.. (2019). Tacrolimus for ulcerative colitis in children: a multicenter survey in Japan. Intestinal Research. 17(4). 476–485. 7 indexed citations
20.
Sato, Miori, Akio Yoshida, Miyuki Ohta, et al.. (2017). Effectiveness of Elimination Diets in Treating Eosinophilic Gastroenteritis. Journal of Allergy and Clinical Immunology. 139(2). AB51–AB51. 2 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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