Toshiro Sugiyama

15.1k total citations · 2 hit papers
346 papers, 10.9k citations indexed

About

Toshiro Sugiyama is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Immunology. According to data from OpenAlex, Toshiro Sugiyama has authored 346 papers receiving a total of 10.9k indexed citations (citations by other indexed papers that have themselves been cited), including 165 papers in Surgery, 73 papers in Pulmonary and Respiratory Medicine and 73 papers in Immunology. Recurrent topics in Toshiro Sugiyama's work include Helicobacter pylori-related gastroenterology studies (123 papers), Gastric Cancer Management and Outcomes (58 papers) and Galectins and Cancer Biology (40 papers). Toshiro Sugiyama is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (123 papers), Gastric Cancer Management and Outcomes (58 papers) and Galectins and Cancer Biology (40 papers). Toshiro Sugiyama collaborates with scholars based in Japan, United States and Pakistan. Toshiro Sugiyama's co-authors include Masahiro Asaka, Mototsugu Kato, Hiroshi Takeda, Ryouhei Tsutsumi, Hideaki Higashi, Takeshi Azuma, Masanori Hatakeyama, Masatsugu Tsujii, Syed Faisal Zaidi and Kazuto Tajiri and has published in prestigious journals such as Science, Journal of Biological Chemistry and Journal of Clinical Investigation.

In The Last Decade

Toshiro Sugiyama

337 papers receiving 10.6k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

SHP-2 Tyrosine Phosphatase as an Intracellular Target of Helicobacter pylori CagA Protein

2002 856 citations Hideaki Higashi, Ryouhei Tsutsumi et al. Science profile →
Guidelines for the management of Helicobacter pylori infection in Japan: 2016 Revised Edition

2019 223 citations Mototsugu Kato, Kazunari Murakami et al. Helicobacter profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Toshiro Sugiyama Japan	53	4.4k	2.6k	2.1k	1.9k	1.3k	346	10.9k
Per M. Hellström Sweden	63	5.3k 1.2×	2.1k 0.8×	507 0.2×	1.1k 0.6×	2.9k 2.1×	419	15.0k
Koichi Hirata Japan	65	4.2k 0.9×	4.0k 1.6×	1.4k 0.6×	2.1k 1.1×	334 0.2×	920	19.7k
Rainer H. Straub Germany	66	1.2k 0.3×	3.0k 1.1×	2.9k 1.4×	701 0.4×	351 0.3×	395	17.4k
Charalabos Pothoulakis United States	78	3.1k 0.7×	6.2k 2.4×	2.7k 1.3×	573 0.3×	3.2k 2.4×	261	18.9k
Nigel W. Bunnett United States	87	3.8k 0.9×	9.3k 3.6×	3.1k 1.5×	1.3k 0.7×	3.8k 2.9×	358	29.5k
John H. Walsh United States	72	7.6k 1.7×	5.2k 2.0×	701 0.3×	1.4k 0.8×	4.4k 3.2×	476	17.4k
Hiroto Miwa Japan	54	6.0k 1.4×	2.1k 0.8×	882 0.4×	2.4k 1.3×	4.9k 3.7×	440	12.7k
Shigeru Matsukura Japan	54	2.2k 0.5×	2.4k 0.9×	700 0.3×	838 0.5×	222 0.2×	303	17.1k
Shu‐Chen Wei Taiwan	46	1.4k 0.3×	1.6k 0.6×	695 0.3×	678 0.4×	278 0.2×	236	7.3k
Norman Orentreich∥ United States	45	5.7k 1.3×	2.4k 0.9×	2.2k 1.0×	2.5k 1.3×	982 0.7×	136	13.6k

Countries citing papers authored by Toshiro Sugiyama

Since Specialization

Citations

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

Fields of papers citing papers by Toshiro Sugiyama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Toshiro Sugiyama

This figure shows the co-authorship network connecting the top 25 collaborators of Toshiro Sugiyama. A scholar is included among the top collaborators of Toshiro Sugiyama 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 Toshiro Sugiyama. Toshiro Sugiyama is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Ohkusa, Toshifumi�, et al.. (2024). Comparison of the Gut Microbiota of Patients Who Improve with Antibiotic Combination Therapy for Ulcerative Colitis and Those Who Do Not: Investigation by Fecal Metagenomic Analyses. Nutrients. 16(20). 3500–3500. 2 indexed citations

Tomoda, Akemi, Shota Nishitani, Shinichiro Takiguchi, et al.. (2024). The neurobiological effects of childhood maltreatment on brain structure, function, and attachment. European Archives of Psychiatry and Clinical Neuroscience. 275(7). 1939–1958. 25 indexed citations

Wakusawa, Keisuke, Toshiro Sugiyama, Hiroshi Hotta, et al.. (2023). Triadic Therapy Based on Somatic Eye Movement Desensitization and Reprocessing for Complex Posttraumatic Stress Disorder: A Pilot Randomized Controlled Study. Journal of EMDR Practice and Research. 17(3). 159–170. 1 indexed citations

Sugiyama, Toshiro, Sohachi Nanjo, Takahiko Nakajima, & Chieko Kato. (2023). <i>Helicobacter pylori</i> Reinfection Diagnosed by Endoscopic and Histologic Recurrence in a Patient with Gastric Mucosa-Associated Lymphoid Tissue Lymphoma. Case Reports in Gastroenterology. 17(1). 47–54.

Okimoto, Tadayoshi, Takashi Ando, Makoto Sasaki, et al.. (2023). Antimicrobial‐resistant Helicobacter pylori in Japan: Report of nationwide surveillance for 2018–2020. Helicobacter. 29(1). e13028–e13028. 4 indexed citations

Usui, Noriyoshi, Keiko Iwata, Taishi Miyachi, et al.. (2020). Increased plasma lipoprotein lipase activity in males with autism spectrum disorder. Research in autism spectrum disorders. 77. 101630–101630. 6 indexed citations

Takeshima, Hideyuki, Tohru Niwa, Satoshi Yamashita, et al.. (2020). TET repression and increased DNMT activity synergistically induce aberrant DNA methylation. Journal of Clinical Investigation. 130(10). 5370–5379. 50 indexed citations

Muhammad, Jibran Sualeh, Sohachi Nanjo, Takayuki Ando, et al.. (2017). Autophagy impairment byHelicobacter pylori-induced methylation silencing ofMAP1LC3Av1promotes gastric carcinogenesis. International Journal of Cancer. 140(10). 2272–2283. 67 indexed citations

Suzuki, Yutaro, et al.. (2015). Efficacy of Atomoxetine for Symptoms of Attention-Deficit/Hyperactivity Disorder in Children with a History of Child Abuse. Journal of Child and Adolescent Psychopharmacology. 25(3). 269–271. 9 indexed citations

10.

Muhammad, Jibran Sualeh, Toshiro Sugiyama, & Syed Faisal Zaidi. (2013). Gastric pathophysiological ins and outs of helicobacter pylori: a review.. PubMed. 63(12). 1528–33. 29 indexed citations

11.

Yakoob, Javed, Zaigham Abbas, Rustam Khan, et al.. (2013). Anti-Helicobacter pylori activity and inhibition of Helicobacter pylori-induced release of IL-8 in AGS cells by plant extracts. Journal of Medicinal Plants Research. 7(15). 970–979. 4 indexed citations

12.

Ando, Takayuki, Ayumu Hosokawa, Shinya Kajiura, et al.. (2012). Efficacy of weekly paclitaxel in patients with advanced gastric cancer refractory to docetaxel-based chemotherapy. Gastric Cancer. 15(4). 427–432. 20 indexed citations

13.

Hosokawa, Ayumu, Kohei Ogawa, Takayuki Ando, et al.. (2012). Preventive effect of traditional Japanese medicine on neurotoxicity of FOLFOX for metastatic colorectal cancer: a multicenter retrospective study.. PubMed. 32(7). 2545–50. 33 indexed citations

14.

Mihara, Hiroshi, Ammar Boudaka, Koji Shibasaki, et al.. (2010). Involvement of TRPV2 Activation in Intestinal Movement through Nitric Oxide Production in Mice. Journal of Neuroscience. 30(49). 16536–16544. 78 indexed citations

15.

Nishida, Toshirou, Kuniaki Shirao, Akira Sawaki, et al.. (2008). Efficacy and safety profile of imatinib mesylate (ST1571) in Japanese patients with advanced gastrointestinal stromal tumors: a phase II study (STI571B1202). International Journal of Clinical Oncology. 13(3). 244–251. 62 indexed citations

16.

Nakajima, Takahiko, et al.. (2006). A CASE OF PERIRECTAL ABSCESS TREATED BY ENDSCOPIC INCISION AND DRAINAGE. Acta gastro-enterologica belgica. 48(7). 1442–1446. 1 indexed citations

17.

Nishida, Toshirou, Kuniaki Shirao, Kenji Yamao, et al.. (2004). PRELIMINARY RESULTS OF THE PHASE II CLINICAL TRIAL OF IMATINIB MESYLATE FOR ADVANCED GASTROINTESTINAL STROMAL TUMORS IN JAPAN. 53. 151–157. 2 indexed citations

18.

Sugiyama, Toshiro & Masahiro Asaka. (2003). [Gastric mucosal injury induced by H. pylori infection].. PubMed. 61(1). 2–5. 1 indexed citations

19.

Higashi, Hideaki, Ryouhei Tsutsumi, Toshiro Sugiyama, et al.. (2002). SHP-2 Tyrosine Phosphatase as an Intracellular Target of Helicobacter pylori CagA Protein. Science. 295(5555). 683–686. 856 indexed citations breakdown →

20.

Naka, Hiroji, Toshiro Sugiyama, Mototsugu Kato, & Masahiro Asaka. (1999). ACUTE GASTRIC IVIUCUSAL LESIGNS CAUSED BY UPPER GASTROINTFESTINAL, ENDOSCOPY-A REVIEW OF THE PATHOPHYSIOFLOGY AND UNSOLVED ISSUES. Acta gastro-enterologica belgica. 41(9). 2035–2043. 1 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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