World's Best Scientists 2026 revealed!
Toshimasa Ishizaki

Toshimasa Ishizaki

D-Index & Metrics

Biology and Biochemistry

D-Index
54
Citations
26227
World Ranking
15340
National Ranking
1086

Toshimasa Ishizaki publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Toshimasa Ishizaki sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 103 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Toshimasa Ishizaki D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Toshimasa Ishizaki sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 54 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Toshimasa Ishizaki is affiliated with Oita University in Japan and has a research focus predominantly in Biochemistry, Genetics and Molecular Biology. Their work spans several subfields including Molecular Biology, Pharmacology, Cell Biology, Cardiology and Cardiovascular Medicine, and Aging.

The scientist's research output includes investigations into DNA repair mechanisms, cancer therapeutics and mechanisms, cardiomyopathy and myosin studies, genetics, aging, and longevity in model organisms, RNA research and splicing, as well as Wnt/β-catenin signaling in development and cancer, and heat shock proteins research.

Frequent publication venues for Ishizaki include Proceedings for Annual Meeting of The Japanese Pharmacological Society, Scientific Reports, Cardiovascular Research, Cell Death Discovery, and Biochemical and Biophysical Research Communications.

Coauthors who have collaborated often with Ishizaki include Takeshi Terabayashi, Katsuhiro Hanada, Takahiro Akamine, Shigeru Matsuoka, and Takako Sasaki.

Several recent papers provide insight into the scope of Ishizaki's research contributions:

  • The benzylisoquinoline alkaloids, berberine and coptisine, act against camptothecin-resistant topoisomerase I mutants (2021, Scientific Reports)
  • Disruption of actin dynamics regulated by Rho effector mDia1 attenuates pressure overload-induced cardiac hypertrophic responses and exacerbates dysfunction (2020, Cardiovascular Research)
  • Analysis of Chromosomal DNA Fragmentation in Apoptosis by Pulsed-Field Gel Electrophoresis (2020, Methods in molecular biology)
  • A novel mRNA decay inhibitor abolishes pathophysiological cellular transition (2022, Cell Death Discovery)
  • Caspase-4 has a role in cell division in epithelial cells through actin depolymerization (2023, Biochemical and Biophysical Research Communications)

Best Publications

  • Calcium sensitization of smooth muscle mediated by a Rho-associated protein kinase in hypertension

    Masayoshi Uehata;Toshimasa Ishizaki;Hiroyuki Satoh;Takashi Ono

  • Signaling from Rho to the actin cytoskeleton through protein kinases ROCK and LIM-kinase.

    Midori Maekawa;Toshimasa Ishizaki;Shuken Boku;Naoki Watanabe

  • Focal Contacts as Mechanosensors Externally Applied Local Mechanical Force Induces Growth of Focal Contacts by an Mdia1-Dependent and Rock-Independent Mechanism

    Daniel Riveline;Daniel Riveline;Eli Zamir;Nathalie Q. Balaban;Ulrich S. Schwarz

  • The small GTP-binding protein Rho binds to and activates a 160 kDa Ser/Thr protein kinase homologous to myotonic dystrophy kinase.

    Toshimasa Ishizaki;Midori Maekawa;Kazuko Fujisawa;Katsuya Okawa

  • Cooperation between mDia1 and ROCK in Rho-induced actin reorganization

    Naoki Watanabe;Takayuki Kato;Akiko Fujita;Toshimasa Ishizaki

  • p140mDia, a mammalian homolog of Drosophila diaphanous, is a target protein for Rho small GTPase and is a ligand for profilin.

    Naoki Watanabe;Pascal Madaule;Tim Reid;Toshimasa Ishizaki

  • ROCK-I and ROCK-II, two isoforms of Rho-associated coiled-coil forming protein serine/threonine kinase in mice

    Osamu Nakagawa;Kazuko Fujisawa;Toshimasa Ishizaki;Yuji Saito

  • An essential part for Rho-associated kinase in the transcellular invasion of tumor cells.

    Kazuyuki Itoh;Kiyoko Yoshioka;Hitoshi Akedo;Masayoshi Uehata

  • p160ROCK, a Rho-associated coiled-coil forming protein kinase, works downstream of Rho and induces focal adhesions

    Toshimasa Ishizaki;Mamoru Naito;Kazuko Fujisawa;Midori Maekawa

  • Rho signaling, ROCK and mDia1, in transformation, metastasis and invasion.

    Shuh Narumiya;Masahiro Tanji;Toshimasa Ishizaki

  • Rho-associated Kinase ROCK Activates LIM-kinase 1 by Phosphorylation at Threonine 508 within the Activation Loop

    Kazumasa Ohashi;Kyoko Nagata;Midori Maekawa;Toshimasa Ishizaki

  • Molecular Dissection of the Rho-associated Protein Kinase (p160ROCK)-regulated Neurite Remodeling in Neuroblastoma N1E-115 Cells

    Masaya Hirose;Toshimasa Ishizaki;Naoki Watanabe;Masayoshi Uehata

  • Protein Kinase N (PKN) and PKN-Related Protein Rhophilin as Targets of Small GTPase Rho

    Go Watanabe;Yuji Saito;Pascal Madaule;Toshimasa Ishizaki

  • Rho effectors and reorganization of actin cytoskeleton.

    Shuh Narumiya;Toshimasa Ishizaki;Naoki Watanabe

  • Role of citron kinase as a target of the small GTPase Rho in cytokinesis

    Pascal Madaule;Masatoshi Eda;Naoki Watanabe;Kazuko Fujisawa

  • Molecular Pathway and Cell State Responsible for Dissociation-Induced Apoptosis in Human Pluripotent Stem Cells

    Masatoshi Ohgushi;Michiru Matsumura;Mototsugu Eiraku;Kazuhiro Murakami

  • Rhotekin, a new putative target for Rho bearing homology to a serine/threonine kinase, PKN, and rhophilin in the Rho-binding domain

    Tim Reid;Tomoyuki Furuyashiki;Toshimasa Ishizaki;Go Watanabe

  • Use and properties of ROCK-specific inhibitor Y-27632.

    Shuh Narumiya;Toshimasa Ishizaki;Masayoshi Uehata

  • Coordination of microtubules and the actin cytoskeleton by the Rho effector mDia1.

    Toshimasa Ishizaki;Yosuke Morishima;Muneo Okamoto;Tomoyuki Furuyashiki

  • A critical role for a Rho-associated kinase, p160ROCK, in determining axon outgrowth in mammalian CNS neurons

    Haruhiko Bito;Tomoyuki Furuyashiki;Hisamitsu Ishihara;Yoshikazu Shibasaki

Frequent Co-Authors

Shuh Narumiya
Shuh Narumiya Kyoto University
Kozo Kaibuchi
Kozo Kaibuchi Nagoya University
Haruhiko Bito
Haruhiko Bito University of Tokyo
Akira Kakizuka
Akira Kakizuka Kyoto University
Katsuya Okawa
Katsuya Okawa Kyowa Kirin (Japan)
Fumio Matsumura
Fumio Matsumura Rutgers, The State University of New Jersey
Akihiro Iwamatsu
Akihiro Iwamatsu Osaka University
Kazunobu Sawamoto
Kazunobu Sawamoto Nagoya City University
Takeshi Kaneko
Takeshi Kaneko Kyoto University
Hiroyuki Hioki
Hiroyuki Hioki Juntendo University

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