Akemi Koyanagi

3.6k total citations · 1 hit paper
39 papers, 3.0k citations indexed

About

Akemi Koyanagi is a scholar working on Immunology, Molecular Biology and Hematology. According to data from OpenAlex, Akemi Koyanagi has authored 39 papers receiving a total of 3.0k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Immunology, 10 papers in Molecular Biology and 6 papers in Hematology. Recurrent topics in Akemi Koyanagi's work include Immune Cell Function and Interaction (13 papers), T-cell and B-cell Immunology (11 papers) and Immunotherapy and Immune Responses (7 papers). Akemi Koyanagi is often cited by papers focused on Immune Cell Function and Interaction (13 papers), T-cell and B-cell Immunology (11 papers) and Immunotherapy and Immune Responses (7 papers). Akemi Koyanagi collaborates with scholars based in Japan, United States and South Korea. Akemi Koyanagi's co-authors include Hideo Yagita∥, Tasuku Honjo, Yasutoshi Agata, Yasumasa Ishida, Ko Okumura, Hisaya Akiba, Yoichi Shinkai, Shigeru Chiba, Hiroyuki Nishimura and Noriko Yamaguchi and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Nature Communications.

In The Last Decade

Akemi Koyanagi

39 papers receiving 2.9k 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.

Expression of the PD-1 antigen on the surface of stimulated mouse T and B lymphocytes

1996 1.2k citations Yasutoshi Agata, Akemi Koyanagi et al. International Immunology profile →

Peers

Countries citing papers authored by Akemi Koyanagi

Since Specialization

Citations

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

Fields of papers citing papers by Akemi Koyanagi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Akemi Koyanagi

This figure shows the co-authorship network connecting the top 25 collaborators of Akemi Koyanagi. A scholar is included among the top collaborators of Akemi Koyanagi 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 Akemi Koyanagi. Akemi Koyanagi 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

#	Work	Indexed citations
1	Allosteric inhibition of IgE–FcεRI interactions by simultaneous targeting of IgE F(ab’)2 epitopes 2024 ·Communications Biology ·T Hirano, Akemi Koyanagi, Hideo Ago, Masaki Yamamoto, Jiro Kitaura, Masataka Kasai, Ko Okumura	1
2	Differential regulation of osteoclastogenesis by Notch2/Delta-like 1 and Notch1/Jagged1 axes 2012 ·Arthritis Research & Therapy ·Chiyoko Sekine, Akemi Koyanagi, Noriko Koyama, Katsuto Hozumi, Shigeru Chiba, Hideo Yagita∥	65
3	Notch1-mediated Signaling Induces MHC Class II Expression through Activation of Class II Transactivator Promoter III in Mast Cells 2011 ·Journal of Biological Chemistry ·Nobuhiro Nakano, Chiharu Nishiyama, Hideo Yagita∥, Akemi Koyanagi, Hideoki Ogawa, Ko Okumura	19
4	Differential regulation of splenic CD8- dendritic cells and marginal zone B cells by Notch ligands 2009 ·International Immunology ·Chiyoko Sekine, (unknown), Akemi Koyanagi, Noriko Koyama, (unknown), Ko Okumura, Hideo Yagita∥	29
5	Development of monoclonal antibodies for analyzing immune and hematopoietic systems of common marmoset 2009 ·Experimental Hematology ·Yoshie Kametani, Daisuke Suzuki, Kazuyoshi Kohu, Masanobu Satake, Hiroshi Suemizu, Erika Sasaki, Toshio Ito, Norikazu Tamaoki, (unknown), Manabu Ozawa, Kenzaburo Tani, (unknown), Hideo Arai, Akemi Koyanagi, Hideo Yagita∥, Sonoko Habu	14
6	Highly efficient and feeder‐free production of subculturable vascular endothelial cells from primate embryonic stem cells 2008 ·Journal of Cellular Physiology ·Kumiko Saeki, Yoshiko Yogiashi, Masako Nakahara, Naoko Nakamura, Satoko Matsuyama, Akemi Koyanagi, Hideo Yagita∥, Makoto Koyanagi, Yasushi Kondo, Akira Yuo	11
7	Involvement of TNF-Like Weak Inducer of Apoptosis in the Pathogenesis of Collagen-Induced Arthritis 2006 ·The Journal of Immunology ·(unknown), Seiji Kamijo, Atsuo Nakajima, Akemi Koyanagi, Hisashi Kurosawa, Hideo Yagita∥, Ko Okumura	79
8	Blockade of B7-H1 on Macrophages Suppresses CD4+ T Cell Proliferation by Augmenting IFN-γ-Induced Nitric Oxide Production 2005 ·The Journal of Immunology ·Tomohide Yamazaki, Hisaya Akiba, Akemi Koyanagi, Miyuki Azuma, Hideo Yagita∥, Ko Okumura	116
9	Regulation of murine chronic colitis by CD4+CD25- programmed death-1+ T cells 2005 ·European Journal of Immunology ·Teruji Totsuka, Takanori Kanai∥, Shin Makita, (unknown), Yasuhiro Nemoto, Shigeru Oshima, Ryuichi Okamoto, Akemi Koyanagi, Hisaya Akiba, Ko Okumura, Hideo Yagita∥, Mamoru Watanabe	41
10	Blastocyst MHC, a Putative Murine Homologue of HLA-G, Protects TAP-Deficient Tumor Cells from Natural Killer Cell-Mediated Rejection In Vivo 2003 ·The Journal of Immunology ·Atsushi Tajima, (unknown), Tomohiko Ebata, Kazuyoshi Takeda, Akemi Koyanagi, Janice M. Kelly, Phillip K. Darcy, Russell E. Vance, David H. Raulet, Katsuyuki Kinoshita, Ko Okumura, Mark J. Smyth, Hideo Yagita∥	27
11	Mouse CD94 Participates in Qa-1-Mediated Self Recognition by NK Cells and Delivers Inhibitory Signals Independent of Ly-49 2001 ·The Journal of Immunology ·Noriko Toyama‐Sorimachi, (unknown), Hideo Yagita∥, Fujiko Kitamura, Akemi Koyanagi, Shigeo Koyasu, Hajime Karasuyama	17
12	Developmentally regulated expression of the PD-1 protein on the surface of double-negative(CD4^–CD8^–) thymocytes 1996 ·International Immunology ·Hiroyuki Nishimura, Yasutoshi Agata, Akemi Koyanagi, Masaki Satō, Sadao Imamura, Nagahiro Minato, Hideo Yagita∥, Toru Nakano, Tasuku Honjo	211
13	Expression of the PD-1 antigen on the surface of stimulated mouse T and B lymphocytes breakdown → 1996 ·International Immunology ·Yasutoshi Agata, Akemi Koyanagi, (unknown), Yasumasa Ishida, (unknown), Hideo Yagita∥, Tasuku Honjo	1244
14	Evidence of perforin‐mediated cardiac myocyte injury in acute murine myocarditis caused by coxsackie virus B3 1993 ·The Journal of Pathology ·Yoshinori Seko, Yoichi Shinkai, Akemi Koyanagi, Hideo Yagita∥, Ko Okumura, Yoshio Yazaki	39
15	Expression of perforin and cytolytic potential of human peripheral blood lymphocyte subpopulations 1992 ·International Immunology ·(unknown), Akemi Koyanagi, Miyuki Azuma, Kaori Tsuji, Hironori Matsuda, Yoichi Shinkai, Hideo Yagita∥, Ko Okumura	56
16	Role of Perforin in Lymphocyte-Mediated Cytolysis 1992 ·Advances in immunology ·H Yagita, (unknown), Akemi Koyanagi, Yoichi Shinkai, Ko Okumura	74
17	Expression of perforin in murine natural killer cells and cytotoxic T lymphocytes in vivo 1992 ·European Journal of Immunology ·Akemi Koyanagi, Yoichi Shinkai, Hideo Yagita∥, Ko Okumura	28
18	Antigen-specific directional target cell lysis by perforin-negative T lymphocyte clones 1991 ·International Immunology ·Hajime Takayama, Nobukata Shinohara, Akemi Koyanagi, (unknown), (unknown), Hidefumi Kojima, Hideo Yagita, Ko Okumura, Yoichi Shinkai	31
19	Thy-1 -positive dendritic epidermal cells contain a killer protein perforin 1990 ·International Immunology ·Tetsuji Kobata, Yoichi Shinkai, (unknown), Akemi Koyanagi, Hideo Yagita∥, (unknown), (unknown), Stephen I. Katz, Ko Okumura	19
20	Perforin, a pore-forming protein detectable by monoclonal antibodies, is a functional marker for killer cells 1990 ·International Immunology ·Akemi Koyanagi, (unknown), (unknown), Akiko Furuya, Yutaka Iigo, Nobuo Hanai, Seiga Itoh, (unknown), Ko Okumura	79

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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