Masayasu Hara

2.2k total citations · 1 hit paper
55 papers, 1.7k citations indexed

About

Masayasu Hara is a scholar working on Oncology, Surgery and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Masayasu Hara has authored 55 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 37 papers in Oncology, 23 papers in Surgery and 15 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Masayasu Hara's work include Colorectal Cancer Surgical Treatments (16 papers), Gastric Cancer Management and Outcomes (10 papers) and Colorectal Cancer Treatments and Studies (10 papers). Masayasu Hara is often cited by papers focused on Colorectal Cancer Surgical Treatments (16 papers), Gastric Cancer Management and Outcomes (10 papers) and Colorectal Cancer Treatments and Studies (10 papers). Masayasu Hara collaborates with scholars based in Japan, United States and South Korea. Masayasu Hara's co-authors include Hiroki Takahashi, Takaya Nagasaki, Hiromitsu Takeyama, Kazuyoshi Shiga, Takafumi Sato, Mikinori Sato, Hayao Nakanishi, H Takeyama, Seon Hahn Kim and Kyung‐Sook Yang and has published in prestigious journals such as PLoS ONE, Journal of Allergy and Clinical Immunology and British Journal of Cancer.

In The Last Decade

Masayasu Hara

55 papers receiving 1.7k citations

Hit Papers

Cancer-Associated Fibroblasts: Their Characteristics and ... 2015 2026 2018 2022 2015 200 400 600
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.

  1. Cancer-Associated Fibroblasts: Their Characteristics and Their Roles in Tumor Growth
    2015 609 citations Kazuyoshi Shiga, Masayasu Hara et al. profile →

Peers

Masayasu Hara
Takafumi Sato Japan
Shui Ping Tu China
Jian Bo China
Federica Papaccio Italy
Bailiang Wang China
Charles LeVea United States
Jason R. Pitarresi United States
Yanyan Han China
Chiara Raggi Italy
Qiuming He China
Takafumi Sato Japan
Masayasu Hara
Citations per year, relative to Masayasu Hara Masayasu Hara (= 1×) peers Takafumi Sato

Countries citing papers authored by Masayasu Hara

Since Specialization
Citations

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

Fields of papers citing papers by Masayasu Hara

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Masayasu Hara

This figure shows the co-authorship network connecting the top 25 collaborators of Masayasu Hara. A scholar is included among the top collaborators of Masayasu Hara 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 Masayasu Hara. Masayasu Hara 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.
Nakai, Nozomu, Takeshi Yanagita, Takuya Suzuki, et al.. (2023). Elevated Preoperative Serum Vascular Endothelial Growth Factor Does Not Predict Poor Outcomes in Curatively Resected Non-metastatic Colorectal Cancer Treated Without Neoadjuvant Therapy. Anticancer Research. 43(5). 2333–2341. 1 indexed citations
2.
Takahashi, Hiroki, K. Watanabe, Takeshi Yanagita, et al.. (2022). The Interaction Between Cancer-associated Fibroblasts and Cancer Cells Enhances Bcl-xL and Mcl-1 in Colorectal Cancer. Anticancer Research. 42(3). 1277–1288. 4 indexed citations
3.
Kurahashi, Masaaki, Salah A. Baker, Yoshihiko Kito, et al.. (2022). PDGFRα+ Interstitial Cells are Effector Cells of PACAP Signaling in Mouse and Human Colon. Cellular and Molecular Gastroenterology and Hepatology. 14(2). 357–373. 7 indexed citations
4.
Ogawa, Masaki, Hirohito Kan, Nobuyuki Arai, et al.. (2021). T-staging of rectal cancer: Utility of single-shot turbo spin-echo diffusion-weighted imaging with T2-weighted images and fusion images. PLoS ONE. 16(4). e0249433–e0249433. 2 indexed citations
5.
Nakata, Susumu, Harunari Tanaka, Yuichi Ito, et al.. (2014). Deficient HER3 expression in poorly-differentiated colorectal cancer cells enhances gefitinib sensitivity. International Journal of Oncology. 45(4). 1583–1593. 11 indexed citations
6.
Hara, Masayasu, et al.. (2013). The multiphasic learning curve for robot-assisted rectal surgery. Surgical Endoscopy. 27(9). 3297–3307. 114 indexed citations
7.
Nagasaki, Takaya, Masayasu Hara, Hayao Nakanishi, et al.. (2013). Interleukin-6 released by colon cancer-associated fibroblasts is critical for tumour angiogenesis: anti-interleukin-6 receptor antibody suppressed angiogenesis and inhibited tumour–stroma interaction. British Journal of Cancer. 110(2). 469–478. 325 indexed citations
8.
Takayama, Satoru, Masayasu Hara, Mikinori Sato, & Hiromitsu Takeyama. (2013). Single-incision Endoscopy-assisted Ileocecal Resection. Surgical Laparoscopy Endoscopy & Percutaneous Techniques. 23(4). e147–e149. 1 indexed citations
9.
Hara, Masayasu, Satoru Takayama, Atsushi Arakawa, et al.. (2012). Transvaginal resection of a rectal gastrointestinal stromal tumor. Surgery Today. 42(9). 909–912. 13 indexed citations
10.
Hara, Masayasu, et al.. (2012). Laparoscopic Intersphincteric Resection With a SILS Port for Very Low Rectal Cancer. Surgical Laparoscopy Endoscopy & Percutaneous Techniques. 22(3). e138–e141. 2 indexed citations
11.
Hara, Masayasu, Satoru Takayama, & Hiromitsu Takeyama. (2011). Percutaneous endoscopic gastrojejunostomy for a patient with an intractable small bowel injury after repeat surgeries: a case report. Journal of Medical Case Reports. 5(1). 55–55. 1 indexed citations
12.
Hara, Masayasu, Mikinori Sato, Hiroki Takahashi, Satoru Takayama, & Hiromitsu Takeyama. (2011). Accuracy of monitoring serum carcinoembryonic antigen levels in postoperative stage III colorectal cancer patients is limited to only the first postoperative year. Surgery Today. 41(10). 1357–1362. 11 indexed citations
13.
Kawaguchi, T., Keita Sakurai, Masayasu Hara, et al.. (2011). Clinico-radiological features of subarachnoid hyperintensity on diffusion-weighted images in patients with meningitis. Clinical Radiology. 67(4). 306–312. 10 indexed citations
14.
Hara, Masayasu, Mikinori Sato, Hiroki Takahashi, Satoru Takayama, & Hiromitsu Takeyama. (2010). Does serum carcinoembryonic antigen elevation in patients with postoperative stage II colorectal cancer indicate recurrence? Comparison with stage III. Journal of Surgical Oncology. 102(2). 154–157. 10 indexed citations
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17.
Hara, Masayasu, Yukihide Kanemitsu, Takashi Hirai, Koji Komori, & Tomoyuki Kato. (2008). Negative Serum Carcinoembryonic Antigen has Insufficient Accuracy for Excluding Recurrence from Patients with Dukes C Colorectal Cancer: Analysis with Likelihood Ratio and Posttest Probability in a Follow-Up Study. Diseases of the Colon & Rectum. 51(11). 1675–1680. 37 indexed citations
18.
Hara, Masayasu, Takashi Hirai, Hayao Nakanishi, et al.. (2007). Isolated tumor cell in lateral lymph node has no influences on the prognosis of rectal cancer patients. International Journal of Colorectal Disease. 22(8). 911–917. 16 indexed citations
19.
Yoshihara, Shigemi, Pierangelo Geppetti, Anders Lindén, et al.. (1996). Tachykinins mediate the potentiation of antigen-induced bronchoconstriction by cold air in guinea pigs. Journal of Allergy and Clinical Immunology. 97(3). 756–760. 11 indexed citations
20.
Hara, Masayasu, et al.. (1981). Biochemical monitoring of postoperative glioma. 33(5). 505–511. 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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