Masahiro Takayanagi

1.7k total citations · 1 hit paper
31 papers, 1.5k citations indexed

About

Masahiro Takayanagi is a scholar working on Epidemiology, Hepatology and Molecular Biology. According to data from OpenAlex, Masahiro Takayanagi has authored 31 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Epidemiology, 20 papers in Hepatology and 4 papers in Molecular Biology. Recurrent topics in Masahiro Takayanagi's work include Hepatitis C virus research (19 papers), Hepatitis B Virus Studies (18 papers) and Liver Disease Diagnosis and Treatment (15 papers). Masahiro Takayanagi is often cited by papers focused on Hepatitis C virus research (19 papers), Hepatitis B Virus Studies (18 papers) and Liver Disease Diagnosis and Treatment (15 papers). Masahiro Takayanagi collaborates with scholars based in Japan. Masahiro Takayanagi's co-authors include Shinichi Kakumu, Takaji Wakita, Tetsuya Ishikawa, Yasuyuki Higashi, Kentaro Yoshioka, Yuji Itoh, Tsuneo Morishima, Motohiro Shibata, Kentaro Yoshioka and T Shinagawa and has published in prestigious journals such as Journal of Clinical Investigation, Gastroenterology and Hepatology.

In The Last Decade

Masahiro Takayanagi

28 papers receiving 1.4k citations

Hit Papers

Detection of Hepatitis C ... 1992 2026 2003 2014 1992 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. Detection of Hepatitis C Virus by Polymerase Chain Reaction and Response to Interferon–α Therapy: Relationship to Genotypes of Hepatitis C Virus
    1992 608 citations Kentaro Yoshioka, Shinichi Kakumu et al. Hepatology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Masahiro Takayanagi Japan 15 1.3k 1.1k 272 129 111 31 1.5k
Juan Antonio Quiroga Spain 24 1.2k 0.9× 1.1k 0.9× 189 0.7× 152 1.2× 115 1.0× 56 1.5k
Koei Sato Japan 9 1.2k 0.9× 1.0k 0.9× 253 0.9× 94 0.7× 169 1.5× 12 1.4k
Y. Miyakawa Japan 7 1.9k 1.5× 1.6k 1.4× 282 1.0× 189 1.5× 200 1.8× 7 2.0k
George Kuo United States 6 1.6k 1.3× 1.4k 1.2× 133 0.5× 114 0.9× 253 2.3× 7 1.8k
H. C. Thomas United Kingdom 20 1.1k 0.9× 1.1k 1.0× 137 0.5× 176 1.4× 40 0.4× 47 1.6k
Kiyohiko Kurai Japan 6 2.0k 1.6× 1.7k 1.5× 331 1.2× 175 1.4× 269 2.4× 17 2.1k
Shunichi Okada Japan 10 1.2k 0.9× 942 0.8× 196 0.7× 128 1.0× 184 1.7× 14 1.3k
Agostino Cividini Italy 16 993 0.8× 859 0.7× 134 0.5× 66 0.5× 115 1.0× 31 1.2k
Françoise Berby France 16 1.2k 0.9× 1.1k 1.0× 76 0.3× 175 1.4× 72 0.6× 22 1.3k
Hideharu Harada Japan 13 1.3k 1.0× 984 0.9× 131 0.5× 157 1.2× 232 2.1× 26 1.6k

Countries citing papers authored by Masahiro Takayanagi

Since Specialization
Citations

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

Fields of papers citing papers by Masahiro Takayanagi

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Masahiro Takayanagi

This figure shows the co-authorship network connecting the top 25 collaborators of Masahiro Takayanagi. A scholar is included among the top collaborators of Masahiro Takayanagi 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 Masahiro Takayanagi. Masahiro Takayanagi 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.
Ishikawa, Michiko, Syu‐ichi Kanno, Masahiro Takayanagi, Yuki Takayanagi, & Koichi Sasaki. (1998). Thalidomide Promotes the Release of Tumor Necrosis Factor-.ALPHA. (TNF-.ALPHA.) and Lethality by Lipopolysaccharide in Mice.. Biological and Pharmaceutical Bulletin. 21(6). 638–640. 11 indexed citations
2.
Okumura, Akihiko, et al.. (1998). Different Constitution of Hepatitis C Virus Population in Peripheral Blood Mononuclear Cells and Plasma in Patients with Type C Chronic Liver Disease. Digestive Diseases and Sciences. 43(2). 377–383. 1 indexed citations
3.
Kakumu, Shinichi, Masahiro Takayanagi, Kazuo Iwata, et al.. (1997). Cyclosporine therapy affects aminotransferase activity but not hepatitis C virus RNA levels in chronic hepatitis C. Journal of Gastroenterology and Hepatology. 12(1). 62–66. 17 indexed citations
4.
Yoshioka, Keiichiro, Atsushi Okumura, Masahiro Takayanagi, et al.. (1997). Humoral Immune Response to the Hypervariable Region of Hepatitis C Virus Differs between Genotypes 1b and 2a. The Journal of Infectious Diseases. 175(3). 505–510. 39 indexed citations
5.
Furusawa, S., et al.. (1996). Augmentation of epirubicin cytotoxicity by cycloheximide.. PubMed. 91(2). 245–8. 3 indexed citations
6.
Okumura, Akihiko, Masahiro Takayanagi, Kazuo Iwata, et al.. (1996). Serial analysis of hepatitis B virus core nucleotide sequence of patients with acute exacerbation during chronic infection. Journal of Medical Virology. 49(2). 103–109. 22 indexed citations
7.
Yoshioka, Kentaro, Yasuyuki Higashi, Kazuma Tanaka, et al.. (1996). Deficiency of antibody response to hypervariable region of hepatitis C virus in patients with chronic hepatitis C. Journal of Hepatology. 24(6). 649–657. 15 indexed citations
8.
Okumura, A., et al.. (1996). Sequence Analysis of Hypervariable Region of Hepatitis C Virus (HeV) Associated with Immune Complex in Patients with Chronic HCV Infection. The Journal of Infectious Diseases. 174(6). 1316–1319. 8 indexed citations
9.
Furusawa, S., et al.. (1995). Inhibition of Doxorubicin-Induced Cell Death in Vitro and in Vivo by Cycloheximide.. Biological and Pharmaceutical Bulletin. 18(10). 1367–1372. 4 indexed citations
10.
Yoshioka, Kentaro, et al.. (1995). Serum HCV RNA titer at the end of interferon therapy predicts the long-term outcome of treatment. Journal of Hepatology. 23(5). 497–502. 12 indexed citations
11.
Yoshioka, Kentaro, Yasuyuki Higashi, Masaki Yamada, et al.. (1995). Predictive factors in the response to interferon therapy in chronic hepatitis C. Liver International. 15(2). 57–62. 38 indexed citations
12.
Yamada, Masaki, Kentaro Yoshioka, Yasuyuki Higashi, et al.. (1994). Hepatitis C virus genotypes are not responsible for development of serious liver disease. Digestive Diseases and Sciences. 39(2). 234–239. 102 indexed citations
13.
Kakumu, Shinichi, Kentaro Yoshioka, Takaji Wakita, et al.. (1993). Pilot study of ribavirin and interferon-β for chronic hepatitis B. Hepatology. 18(2). 258–263. 26 indexed citations
14.
Higashi, Yasuyuki, Shinichi Kakumu, Kentaro Yoshioka, et al.. (1993). Dynamics of Genome Change in the E2/NS1 Region of Hepatitis C Virus in Vivo. Virology. 197(2). 659–668. 110 indexed citations
15.
Kakumu, Shinichi, et al.. (1993). A pilot study of ribavirin and interferon beta for the treatment of chronic hepatitis C. Gastroenterology. 105(2). 507–512. 109 indexed citations
16.
17.
Ishikawa, Tetsuya, et al.. (1992). Immune response of peripheral blood mononuclear cells to antigenic determinants within hepatitis B core antigen in HB virus‐infected man. Liver International. 12(2). 100–105. 3 indexed citations
18.
Wakita, Takaji, Shinichi Kakumu, Mitsue Shibata, et al.. (1991). Detection of pre-C and core region mutants of hepatitis B virus in chronic hepatitis B virus carriers.. Journal of Clinical Investigation. 88(6). 1793–1801. 84 indexed citations
19.
Kakumu, Shinichi, T Shinagawa, T Ishikawa, et al.. (1991). Serum interleukin 6 levels in patients with chronic hepatitis B.. PubMed. 86(12). 1804–8. 46 indexed citations
20.
Yoshioka, Kentaro, Hisao Hayashi, T Shinagawa, et al.. (1991). Activity of antibodies to hepatitis C virus of patients with chronic non-A, non-B hepatitis decreases during interferon α therapy. Gastroenterologia Japonica. 26(S3). 251–253.

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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