Hitoshi Sawaoka

3.9k total citations · 1 hit paper
22 papers, 3.3k citations indexed

About

Hitoshi Sawaoka is a scholar working on Pharmacology, Surgery and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Hitoshi Sawaoka has authored 22 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Pharmacology, 13 papers in Surgery and 7 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Hitoshi Sawaoka's work include Inflammatory mediators and NSAID effects (16 papers), Helicobacter pylori-related gastroenterology studies (12 papers) and Gastric Cancer Management and Outcomes (7 papers). Hitoshi Sawaoka is often cited by papers focused on Inflammatory mediators and NSAID effects (16 papers), Helicobacter pylori-related gastroenterology studies (12 papers) and Gastric Cancer Management and Outcomes (7 papers). Hitoshi Sawaoka collaborates with scholars based in Japan, United States and Argentina. Hitoshi Sawaoka's co-authors include Masahiko Tsujii, Shingo Tsuji, Sunao Kawano, Masatsugu Hori, Raymond N. DuBois, Yoshiyuki Takei, M Hori, Edhi S. Gunawan, Shingo Tsuji and Hiroaki Murata and has published in prestigious journals such as Cell, Journal of Biological Chemistry and Gastroenterology.

In The Last Decade

Hitoshi Sawaoka

22 papers receiving 3.2k 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.

Cyclooxygenase Regulates Angiogenesis Induced by Colon Cancer Cells

1998 2.0k citations Masahiko Tsujii, Sunao Kawano et al. Cell profile →

Peers

Hitoshi Sawaoka

PHARM

GENET

SURGE

R J Coffey United States

Radhika Aramandla United States

Alexander Kirschenbaum United States

Ovidiu C. Trifan United States

Susan C. Kirkland United Kingdom

Hiroyuki Achiwa Japan

Russell F. Jacoby United States

Lisong Teng China

Kostyantyn Krysan United States

Jason R. Mann United States

R J Coffey United States

Hitoshi Sawaoka

1.6k ×0.7

PHARM

931 ×0.8

GENET

1.0k ×1.2

609 ×1.0

491 ×0.8

SURGE

Citations per year, relative to Hitoshi Sawaoka Hitoshi Sawaoka (= 1×) peers R J Coffey

Countries citing papers authored by Hitoshi Sawaoka

Since Specialization

Citations

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

Fields of papers citing papers by Hitoshi Sawaoka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hitoshi Sawaoka

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Boutaud, Olivier, Dan A. Dixon, John A. Oates, & Hitoshi Sawaoka. (2003). Tristetrapolin Binds to the COX-2 mRNA 3’ Untranslated Region in Cancer Cells. Advances in experimental medicine and biology. 525. 157–160. 26 indexed citations

Sawaoka, Hitoshi, Dan A. Dixon, John A. Oates, & Olivier Boutaud. (2003). Tristetraprolin Binds to the 3′-Untranslated Region of Cyclooxygenase-2 mRNA. Journal of Biological Chemistry. 278(16). 13928–13935. 126 indexed citations

Gunawan, Edhi S., Shingo Tsuji, Masahiko Tsujii, et al.. (2002). Influences of Helicobacter pylori on gastric angiogenesis and ulcer healing in mice. Journal of Gastroenterology and Hepatology. 17(9). 960–965. 11 indexed citations

Sun, Wei‐Hao, Shingo Tsuji, Masahiko Tsujii, et al.. (2000). Cyclo‐oxygenase‐2 inhibitors suppress epithelial cell kinetics and delay gastric wound healing in rats. Journal of Gastroenterology and Hepatology. 15(7). 752–761. 23 indexed citations

Kimura, Atsuomi, Shingo Tsuji, Masahiko Tsujii, et al.. (2000). Expression of cyclooxygenase-2 and nitrotyrosine in human gastric mucosa before and after Helicobacter pylori eradication. Prostaglandins Leukotrienes and Essential Fatty Acids. 63(5). 315–322. 26 indexed citations

Sawaoka, Hitoshi, Shingo Tsuji, Edhi S. Gunawan, et al.. (1999). Involvement of cyclooxygenase-2 in proliferation and morphogenesis induced by transforming growth factor α in gastric epithelial cells. Prostaglandins Leukotrienes and Essential Fatty Acids. 61(5). 315–322. 19 indexed citations

Murata, Hiroaki, Sunao Kawano, Shingo Tsuji, et al.. (1999). Cyclooxygenase-2 Overexpression Enhances Lymphatic Invasion and Metastasis in Human Gastric Carcinoma. The American Journal of Gastroenterology. 94(2). 451–455. 245 indexed citations

Sawaoka, Hitoshi, Shingo Tsuji, Masahiko Tsujii, et al.. (1999). Cyclooxygenase inhibitors suppress angiogenesis and reduce tumor growth in vivo.. PubMed. 79(12). 1469–77. 235 indexed citations

Murata, Hiroaki, Sunao Kawano, Shingo Tsuji, et al.. (1998). Evaluation of the PyloriTek test for detection of Helicobacter pylori infection in cases with and without eradication therapy. The American Journal of Gastroenterology. 93(11). 2102–2105. 14 indexed citations

10.

Sawaoka, Hitoshi, et al.. (1998). Effects of NSAIDs on Proliferation of Gastric Cancer Cells In Vitro: Possible Implication of Cyclooxygenase-2 in Cancer Development. Journal of Clinical Gastroenterology. 27. S47–S52. 77 indexed citations

11.

Tsujii, Masahiko, Sunao Kawano, Shingo Tsuji, et al.. (1998). Cyclooxygenase Regulates Angiogenesis Induced by Colon Cancer Cells. Cell. 93(5). 705–716. 2006 indexed citations breakdown →

12.

Sawaoka, Hitoshi, Seiji Kawano, Shingo Tsuji, et al.. (1998). Helicobacter pylori infection induces cyclooxygenase-2 expression in human gastric mucosa. Prostaglandins Leukotrienes and Essential Fatty Acids. 59(5). 313–316. 78 indexed citations

13.

Tsujii, Masahiko, Sally Kawano, Yoshio Takei, et al.. (1998). [Expression of COX-1 and COX-2 and gastrointestinal diseases].. PubMed. 87(10). 2114–21. 1 indexed citations

14.

Sawaoka, Hitoshi, Sunao Kawano, Shingo Tsuji, et al.. (1998). Cyclooxygenase-2 inhibitors suppress the growth of gastric cancer xenografts via induction of apoptosis in nude mice. American Journal of Physiology-Gastrointestinal and Liver Physiology. 274(6). G1061–G1067. 216 indexed citations

15.

Sawaoka, Hitoshi, Shingo Tsuji, Masahiko Tsujii, et al.. (1997). Expression of the Cyclooxygenase-2 Gene in Gastric Epithelium. Journal of Clinical Gastroenterology. 25. S105–S110. 57 indexed citations

16.

Tsuji, Shingo, Sunao Kawano, Hitoshi Sawaoka, et al.. (1996). Evidences for involvement of cyclooxygenase-2 in proliferation of two gastrointestinal cancer cell lines. Prostaglandins Leukotrienes and Essential Fatty Acids. 55(3). 179–183. 99 indexed citations

17.

Tsuji, Shingo, Sunao Kawano, Masahiko Tsujii, et al.. (1996). Helicobacter pylori extract stimulates inflammatory nitric oxide production. Cancer Letters. 108(2). 195–200. 50 indexed citations

18.

Tsuji, Shingo, Seiji Kawano, Ichiro Kobayashi, et al.. (1995). Gastric mucosal cell proliferation and TGF alpha in the healing of peptic ulcers in human subjects.. PubMed. 21 Suppl 1. S30–5. 5 indexed citations

19.

Takehara, Tetsuo, Hiroyuki Matsuda, Hitoshi Sawaoka, et al.. (1989). A case report of primary extranodal non-Hodgkin's lymphoma of the extrahepatic bile duct.. Kanzo. 30(2). 247–252. 8 indexed citations

20.

Kashiwagi, T, Hitoshi Sawaoka, Heejin Kimm, et al.. (1989). [Evaluation of changes in portal collaterals by single photon emission CT: effects of endoscopic injection sclerotherapy].. PubMed. 26(2). 171–5. 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.

Explore authors with similar magnitude of impact