Ryoki Ishikawa

2.5k total citations · 1 hit paper
40 papers, 2.0k citations indexed

About

Ryoki Ishikawa is a scholar working on Cell Biology, Molecular Biology and Cardiology and Cardiovascular Medicine. According to data from OpenAlex, Ryoki Ishikawa has authored 40 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Cell Biology, 20 papers in Molecular Biology and 15 papers in Cardiology and Cardiovascular Medicine. Recurrent topics in Ryoki Ishikawa's work include Cellular Mechanics and Interactions (20 papers), Cardiomyopathy and Myosin Studies (15 papers) and Muscle Physiology and Disorders (8 papers). Ryoki Ishikawa is often cited by papers focused on Cellular Mechanics and Interactions (20 papers), Cardiomyopathy and Myosin Studies (15 papers) and Muscle Physiology and Disorders (8 papers). Ryoki Ishikawa collaborates with scholars based in Japan, United States and China. Ryoki Ishikawa's co-authors include Toshio Ando, Noriyuki Kodera, Daisuke Yamamoto, Kazuhiro Kohama, Tomoaki Shirao, Kensuke Hayashi, Fumio Matsumura, Shigeko Yamashiro, Sugie Higashi‐Fujime and Yoshihiko Yamakita and has published in prestigious journals such as Nature, Journal of Biological Chemistry and Journal of Neuroscience.

In The Last Decade

Ryoki Ishikawa

39 papers receiving 1.9k 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.

Video imaging of walking myosin V by high-speed atomic force microscopy

2010 640 citations Ryoki Ishikawa, Toshio Ando et al. Nature profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ryoki Ishikawa Japan	21	874	865	493	318	318	40	2.0k
Hidetake Miyata Japan	18	943 1.1×	648 0.7×	705 1.4×	108 0.3×	401 1.3×	50	2.0k
Kazuaki Homma United States	23	831 1.0×	435 0.5×	191 0.4×	481 1.5×	572 1.8×	67	1.9k
Akiyoshi Kishino Japan	16	874 1.0×	398 0.5×	292 0.6×	818 2.6×	412 1.3×	22	2.0k
Sivaraj Sivaramakrishnan United States	30	1.6k 1.8×	724 0.8×	215 0.4×	411 1.3×	375 1.2×	79	2.7k
Michio Tomishige Japan	14	1.3k 1.5×	1.4k 1.6×	260 0.5×	130 0.4×	86 0.3×	29	2.3k
Mark S. Mooseker United States	12	1.3k 1.5×	795 0.9×	242 0.5×	142 0.4×	859 2.7×	12	2.0k
Thomas Centner Germany	14	1.8k 2.1×	593 0.7×	571 1.2×	207 0.7×	2.0k 6.3×	14	2.8k
Ronald J. Baskin United States	33	2.5k 2.8×	693 0.8×	392 0.8×	204 0.6×	393 1.2×	101	3.6k
Joel D. Pardee United States	14	1.5k 1.7×	1.2k 1.4×	257 0.5×	224 0.7×	914 2.9×	23	2.7k
J A Spudich United States	23	1.4k 1.6×	1.4k 1.6×	367 0.7×	159 0.5×	1.3k 3.9×	26	2.8k

Countries citing papers authored by Ryoki Ishikawa

Since Specialization

Citations

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

Fields of papers citing papers by Ryoki Ishikawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ryoki Ishikawa

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

Hirano, Kazumi, Takumi Higaki, Akira Nagasaki, et al.. (2019). Fascin in lamellipodia contributes to cell elasticity by controlling the orientation of filamentous actin. Genes to Cells. 24(3). 202–213. 14 indexed citations

Ιτο, Noboru, Ryoki Ishikawa, Susumu Tanaka, et al.. (2013). Identification of Alkylbenzene Sulfonate Surfactants Leaching from an Acrylonitrile Butadiene Rubber as Novel Inhibitors of Calcineurin Activity. Bioscience Biotechnology and Biochemistry. 77(5). 954–960. 2 indexed citations

Kudo, Yoshihisa, et al.. (2013). Calmodulin-dependent regulation of neurotransmitter release differs in subsets of neuronal cells. Brain Research. 1535. 1–13. 16 indexed citations

Wang, Hong‐Hui, Akio Nakamura, Shinji Yoshiyama, et al.. (2012). Down-Regulation of Myosin Light Chain Kinase Expression in Vascular Smooth Muscle Cells Accelerates Cell Proliferation: Requirement of Its Actin-binding Domain for Reversion to Normal Rates. Journal of Pharmacological Sciences. 119(1). 91–96. 3 indexed citations

Kubota, Hiroaki, et al.. (2010). Modulation of the mechano-chemical properties of myosin V by drebrin-E. Biochemical and Biophysical Research Communications. 400(4). 643–648. 11 indexed citations

Zhang, Yue, Hong‐Hui Wang, Atsushi Matsumoto, et al.. (2009). Calcium regulation of non‐kinase and kinase activities of recombinant myosin light‐chain kinase and its mutants. IUBMB Life. 61(11). 1092–1098. 10 indexed citations

Ishikawa, Ryoki, Kaoru Katoh, Ayumi Takahashi, et al.. (2007). Drebrin attenuates the interaction between actin and myosin-V. Biochemical and Biophysical Research Communications. 359(2). 398–401. 32 indexed citations

Nakamura, Akio, Yue Zhang, Ying Gao, et al.. (2007). Role of non-kinase activity of myosin light-chain kinase in regulating smooth muscle contraction, a review dedicated to Dr. Setsuro Ebashi. Biochemical and Biophysical Research Communications. 369(1). 135–143. 19 indexed citations

Watanabe, Michitoshi, Akihiro Ohyama, Ryoki Ishikawa, et al.. (2005). Myosin-Va Regulates Exocytosis through the Submicromolar Ca²+-dependent Binding of Syntaxin-1A. Molecular Biology of the Cell. 16(10). 4519–4530. 83 indexed citations

10.

Ishikawa, Ryoki, Takeshi Sakamoto, Toshio Ando, Sugie Higashi‐Fujime, & Kazuhiro Kohama. (2003). Polarized actin bundles formed by human fascin‐1: their sliding and disassembly on myosin II and myosin V in vitro. Journal of Neurochemistry. 87(3). 676–685. 87 indexed citations

11.

Takahashi, Katsunori, Yumiko Abe, Ryoki Ishikawa, et al.. (2003). Zinc inhibits calcineurin activity in vitro by competing with nickel. Biochemical and Biophysical Research Communications. 307(1). 64–68. 31 indexed citations

12.

Ishikawa, Ryoki, et al.. (2001). A Highly Sensitive Method for Measurement of Myosin ATPase Activity by Reversed-Phase High-Performance Liquid Chromatography. Analytical Biochemistry. 293(2). 212–215. 27 indexed citations

13.

Kishi, Hiroko, Takashi Mikawa, Minoru Seto, et al.. (2000). Stable Transfectants of Smooth Muscle Cell Line Lacking the Expression of Myosin Light Chain Kinase and Their Characterization with Respect to the Actomyosin System. Journal of Biological Chemistry. 275(2). 1414–1420. 33 indexed citations

14.

Ishikawa, Ryoki, Shigeko Yamashiro, Kazuhiro Kohama, & Fumio Matsumura. (1998). Regulation of Actin Binding and Actin Bundling Activities of Fascin by Caldesmon Coupled with Tropomyosin. Journal of Biological Chemistry. 273(41). 26991–26997. 62 indexed citations

15.

Sasaki, Yo, Kensuke Hayashi, Tomoaki Shirao, Ryoki Ishikawa, & Kazuhiro Kohama. (1996). Inhibition by Drebrin of the Actin‐Bundling Activity of Brain Fascin, a Protein Localized in Filopodia of Growth Cones. Journal of Neurochemistry. 66(3). 980–988. 101 indexed citations

16.

Higashi‐Fujime, Sugie, Ryoki Ishikawa, Osamu Kagami, et al.. (1995). The fastest‐actin‐based motor protein from the green algae, Chara, and its distinct mode of interaction with actin. FEBS Letters. 375(1-2). 151–154. 66 indexed citations

17.

Tsunomori, Fumiaki, Takashi Yamashita, Kazuyuki Horie, et al.. (1994). Local Environmental Change from the G- to F-Form of the Actin Molecule Detected on Anisotropy Decay Measurement1. The Journal of Biochemistry. 116(2). 236–238. 3 indexed citations

18.

Kohama, Kazuhiro, Tsuyoshi Okagaki, Kohichi Hayakawa, et al.. (1992). A novel regulatory effect of myosin light chain kinase from smooth muscle on the ATP-dependent interaction between actin and myosin. Biochemical and Biophysical Research Communications. 184(3). 1204–1211. 25 indexed citations

19.

Kohama, Kazuhiro, Tsuyoshi Okagaki, Hiromi Takano‐Ohmuro, & Ryoki Ishikawa. (1991). Characterization of Calcium-Binding Light Chain as a Ca2+-Receptive Subunit of Physarum Myosin1. The Journal of Biochemistry. 110(4). 566–570. 6 indexed citations

20.

Yamashiro, Shigeko, Yoshihiko Yamakita, Ryoki Ishikawa, & Fumio Matsumura. (1990). Mitosis-specific phosphorylation causes 83K non-muscle caldesmon to dissociate from microfilaments. Nature. 344(6267). 675–678. 115 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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