Ryota Otsuka

477 total citations
43 papers, 334 citations indexed

About

Ryota Otsuka is a scholar working on Surgery, Molecular Biology and Oncology. According to data from OpenAlex, Ryota Otsuka has authored 43 papers receiving a total of 334 indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Surgery, 13 papers in Molecular Biology and 13 papers in Oncology. Recurrent topics in Ryota Otsuka's work include Metastasis and carcinoma case studies (6 papers), Esophageal Cancer Research and Treatment (5 papers) and Gastric Cancer Management and Outcomes (5 papers). Ryota Otsuka is often cited by papers focused on Metastasis and carcinoma case studies (6 papers), Esophageal Cancer Research and Treatment (5 papers) and Gastric Cancer Management and Outcomes (5 papers). Ryota Otsuka collaborates with scholars based in Japan and China. Ryota Otsuka's co-authors include Hisahiro Matsubara, Masayuki Kano, Kentaro Murakami, Yasunori Matsumoto, Masahīko Takahashi, Takeshi Toyozumi, Naoyuki Hanari, Yasunori Akutsu, Keiko Iida and Hiroshi Suito and has published in prestigious journals such as British Journal of Cancer, Cancer Science and Journal of Gastrointestinal Surgery.

In The Last Decade

Ryota Otsuka

35 papers receiving 331 citations

Peers

Ryota Otsuka
Dillip Kumar Muduly India
Rebecca Waters United States
Aqsa Nasir United States
Makoto Natsume Japan
Masayuki Urabe Japan
Xiaole Zhu China
Zekun Zhao China
Hidenori Karasaki Japan
Dillip Kumar Muduly India
Ryota Otsuka
Citations per year, relative to Ryota Otsuka Ryota Otsuka (= 1×) peers Dillip Kumar Muduly

Countries citing papers authored by Ryota Otsuka

Since Specialization
Citations

This map shows the geographic impact of Ryota Otsuka'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 Ryota Otsuka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ryota Otsuka more than expected).

Fields of papers citing papers by Ryota Otsuka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ryota Otsuka. 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 Ryota Otsuka. The network helps show where Ryota Otsuka may publish in the future.

Co-authorship network of co-authors of Ryota Otsuka

This figure shows the co-authorship network connecting the top 25 collaborators of Ryota Otsuka. A scholar is included among the top collaborators of Ryota Otsuka 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 Ryota Otsuka. Ryota Otsuka 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.
Matsumoto, Yasunori, Ryota Otsuka, Takeshi Toyozumi, et al.. (2025). High Expression of Tetraspanin CD63 Predicts Poor Prognosis in Esophageal Squamous Cell Carcinoma. Oncology. 103(10). 934–943.
2.
Matsumoto, Yasunori, Huan Wang, Kentaro Murakami, et al.. (2024). Hypoxia‑regulated exosomal miR‑185 inhibits esophageal squamous cell carcinoma progression and predicts prognosis. Oncology Letters. 28(1). 334–334. 2 indexed citations
3.
Otsuka, Ryota, Takeshi Toyozumi, Yasunori Matsumoto, et al.. (2024). Correlation Between Serum and Tissue SIRT1 Levels in Patients With Esophageal Squamous Cell Carcinoma. Cancer Diagnosis & Prognosis. 4(6). 762–768.
4.
Toyozumi, Takeshi, Satoshi Endo, Yasunori Matsumoto, et al.. (2024). Prognostic value of tumor‐infiltrating lymphocytes and PD‐L1 expression in esophageal squamous cell carcinoma. Cancer Medicine. 13(17). e70179–e70179. 2 indexed citations
5.
Hayano, Koichi, Masayuki Kano, Yasunori Matsumoto, et al.. (2024). Intraoperative assessment of blood flow using transabdominal ultrasound during laparoscopic surgery of celiac artery compression syndrome. Asian Journal of Endoscopic Surgery. 17(2). e13288–e13288. 1 indexed citations
6.
Matsumoto, Yasunori, Masayuki Kano, Hiroshi Suito, et al.. (2024). A case of laparoscopic revision surgery 30 years after vertical banded gastroplasty for morbid obesity. Asian Journal of Endoscopic Surgery. 17(2). e13282–e13282.
7.
Otsuka, Ryota, Keiko Iida, Satoshi Endo, et al.. (2023). SerumVersusTissue SIRT1 as Potentially Valuable Biomarkers in Gastric Cancer. Anticancer Research. 43(4). 1485–1491. 3 indexed citations
8.
Kurata, Y., Gaku Ohira, Koichi Hayano, et al.. (2023). Peripherally inserted central catheter securement with cyanoacrylate glue and bloodstream infection: A retrospective cohort study. Journal of Parenteral and Enteral Nutrition. 48(2). 215–223. 1 indexed citations
9.
Sasaki, Takuma, Yasunori Matsumoto, Kentaro Murakami, et al.. (2023). Gut microbiome can predict chemoradiotherapy efficacy in patients with esophageal squamous cell carcinoma. Esophagus. 20(4). 691–703. 11 indexed citations
10.
11.
Li, Qian, Kentaro Murakami, Takeshi Toyozumi, et al.. (2022). An anti-alcoholism drug, disulfiram and copper complex improves radio-resistance of tumor-initiating cells in esophageal squamous cell carcinoma. Esophagus. 20(1). 134–142. 4 indexed citations
12.
Otsuka, Ryota, et al.. (2022). Role of sirtuins in esophageal cancer: Current status and future prospects. World Journal of Gastrointestinal Oncology. 14(4). 794–807. 5 indexed citations
13.
Otsuka, Ryota, Koichi Hayano, Masahiro Yoshida, et al.. (2021). Subtotal versus total gastrectomy for remnant gastric cancer: a systematic review and meta-analysis of observational studies. Langenbeck s Archives of Surgery. 406(5). 1379–1385.
14.
Otsuka, Ryota, et al.. (2019). Crohn’s Disease Presenting as Granulomatous Appendicitis. Case Reports in Gastroenterology. 13(3). 398–402. 3 indexed citations
15.
Sekino, Nobufumi, Masayuki Kano, Yasunori Matsumoto, et al.. (2018). Antitumor effects of metformin are a result of inhibiting nuclear factor kappa B nuclear translocation in esophageal squamous cell carcinoma. Cancer Science. 109(4). 1066–1074. 26 indexed citations
16.
Akutsu, Yasunori, Kentaro Murakami, Masayuki Kano, et al.. (2018). The concentration of programmed cell death-ligand 1 in the peripheral blood is a useful biomarker for esophageal squamous cell carcinoma. Esophagus. 15(2). 103–108. 13 indexed citations
17.
Otsuka, Ryota, Yasunori Akutsu, Haruhito Sakata, et al.. (2017). ZNF750 Expression as a Novel Candidate Biomarker of Chemoradiosensitivity in Esophageal Squamous Cell Carcinoma. Oncology. 93(3). 197–203. 14 indexed citations
18.
Otsuka, Ryota, Masayuki Kano, Hideki Hayashi, et al.. (2016). Probable IgG4-related sclerosing disease presenting as a gastric submucosal tumor with an intense tracer uptake on PET/CT: a case report. Surgical Case Reports. 2(1). 33–33. 13 indexed citations
19.
Natsume, Toshiyuki, Takashi Maruyama, Shinichiro Shimizu, et al.. (2013). Ductal branch-oriented pancreatic resection for an intraductal papillary mucinous neoplasm in the uncinate process that caused recurrent acute pancreatitis: a case report of successful treatment. Clinical Journal of Gastroenterology. 6(6). 476–479. 1 indexed citations
20.
Otsuka, Ryota, Ichiro Sato, & Rikiya Nakamura. (2012). GPU based real-time surgical navigation system with three-dimensional ultrasound imaging for water-filled laparo-endoscope surgery. PubMed. 246. 2800–2803. 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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