World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
82
Citations
22379
World Ranking
3728
National Ranking
242

Ikuo Saiki 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 Ikuo Saiki 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: 448 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

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

Ikuo Saiki 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 Ikuo Saiki 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: 82 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

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

Overview

Ikuo Saiki is affiliated with the University of Toyama in Japan. The research contributions span multiple disciplines, including Medicine, Agricultural and Biological Sciences, and Biochemistry, Genetics and Molecular Biology. Their expertise also touches various subfields such as Dermatology, Food Science, and Genetics.

The scientist's work covers key topics in:

  • Dermatology and Skin Diseases
  • Essential Oils and Antimicrobial Activity
  • Inflammatory Bowel Disease

A notable publication authored by Ikuo Saiki is titled Anti-inflammatory effect of fermented brown rice and rice bran with Aspergillus oryzae on mice, published in 2020 in the journal Traditional & Kampo Medicine.

Frequent co-authors with whom Ikuo Saiki has collaborated include:

  • Lin Umeyama
  • Shiori Kasahara
  • Misa Sugawara
  • Satoru Yokoyama
  • Yoshihiro Hayakawa

The primary venue for the scientist's publications is Traditional & Kampo Medicine, reflecting an interest in research related to traditional medical systems and natural product-based interventions.

Best Publications

  • Immunological activity of chitin and its derivatives

    K. Nishimura;S. Nishimura;N. Nishi;I. Saiki

  • Inhibitory Effect of Tumor Metastasis in Mice by Saponins, Ginsenoside-RB2, 20(R)- and 20(S)-Ginsenoside-Rg3, of Red Ginseng

    Mami Mochizuki;YungChoon Yoo;Kaori Matsuzawa;Katsuaki Sato

  • Role of aminopeptidase N (CD13) in tumor-cell invasion and extracellular matrix degradation

    Ikuo Saiki;Junya Yoneda;Ichiro Azuma;Hideji Fujii

  • Tumor Necrosis Factor-α-induced IKK Phosphorylation of NF-κB p65 on Serine 536 Is Mediated through the TRAF2, TRAF5, and TAK1 Signaling Pathway

    Hiroaki Sakurai;Shunsuke Suzuki;Noritaka Kawasaki;Hiroyasu Nakano;Hiroyasu Nakano

  • CD44 Variants but not CD44s Cooperate with β1-containing Integrins to Permit Cells to Bind to Osteopontin Independently of Arginine-glycine-aspartic Acid, thereby Stimulating Cell Motility and Chemotaxis

    Yohko U. Katagiri;Jonathan Sleeman;Hideki Fujii;Peter Herrlich

  • Chemical constituents of Brazilian propolis and their cytotoxic activities.

    Arjun H. Banskota;Yasuhiro Tezuka;Jeevan K. Prasain;Katsumichi Matsushige

  • Role of the CXCL12/CXCR4 Axis in Peritoneal Carcinomatosis of Gastric Cancer

    Kazuo Yasumoto;Keiichi Koizumi;Atsuhiro Kawashima;Yurika Saitoh

  • Chemokine receptors in cancer metastasis and cancer cell-derived chemokines in host immune response.

    Keiichi Koizumi;Shozo Hojo;Takuya Akashi;Kazuo Yasumoto

  • Inhibition of tumor angiogenesis and metastasis by a saponin of Panax ginseng, ginsenoside-Rb2

    Katsuaki Sato;Mami Mochizuki;Ikuo Saiki;YungChoon Yoo

  • Differential Regulation of Th1 and Th2 Functions of NKT Cells by CD28 and CD40 Costimulatory Pathways

    Yoshihiro Hayakawa;Kazuyoshi Takeda;Hideo Yagita;Luc Van Kaer

  • Critical Roles of Threonine 187 Phosphorylation in Cellular Stress-induced Rapid and Transient Activation of Transforming Growth Factor-β-activated Kinase 1 (TAK1) in a Signaling Complex Containing TAK1-binding Protein TAB1 and TAB2

    Pattama Singhirunnusorn;Shunsuke Suzuki;Noritaka Kawasaki;Ikuo Saiki

  • Constituents of the Vietnamese Medicinal Plant Orthosiphon stamineus

    Yasuhiro Tezuka;Pavlos Stampoulis;Arjun H. Banskota;Suresh Awale

  • Antiproliferative activity of Vietnamese medicinal plants.

    Jun-ya Ueda;Yasuhiro Tezuka;Arjun Hari Banskota;Quan Le Tran

  • An Intestinal Bacterial Metabolite of Ginseng Protopanaxadiol Saponins Has the Ability to Induce Apoptosis in Tumor Cells

    Chisato Wakabayashi;Koji Murakami;Hideo Hasegawa;Jun Murata

  • Critical contribution of IFN‐γ and NK cells, but not perforin‐mediated cytotoxicity, to anti‐metastatic effect of α‐galactosylceramide

    Yoshihiro Hayakawa;Kazuyoshi Takeda;Hideo Yagita;Shigeru Kakuta

  • Increased surgical stress promotes tumor metastasis.

    Yasunori Tsuchiya;Shigeaki Sawada;Isaku Yoshioka;Yasukata Ohashi

  • IFN-γ–mediated inhibition of tumor angiogenesis by natural killer T-cell ligand, α-galactosylceramide

    Yoshihiro Hayakawa;Kazuyoshi Takeda;Hideo Yagita;Mark J. Smyth

  • Morphine analgesia suppresses tumor growth and metastasis in a mouse model of cancer pain produced by orthotopic tumor inoculation

    Takashi Sasamura;Shigenobu Nakamura;Yuko Iida;Hideki Fujii

  • High-level expression of chemokine CXCL16 by tumor cells correlates with a good prognosis and increased tumor-infiltrating lymphocytes in colorectal cancer.

    Shozo Hojo;Keiichi Koizumi;Koichi Tsuneyama;Yoshihisa Arita

  • Inhibition of tumor invasion and metastasis by calcium spirulan (Ca-SP), a novel sulfated polysaccharide derived from a blue-green alga, Spirulina platensis.

    Takaaki Mishima;Jun Murata;Minako Toyoshima;Hideki Fujii

Frequent Co-Authors

Hiroaki Sakurai
Hiroaki Sakurai University of Toyama
Ichiro Azuma
Ichiro Azuma Hokkaido University
Yoshihiro Hayakawa
Yoshihiro Hayakawa Aichi Institute of Technology
Yasuhiro Tezuka
Yasuhiro Tezuka Hokuriku University
Shigetoshi Kadota
Shigetoshi Kadota University of Toyama
Hideki Fujii
Hideki Fujii University of Yamanashi
Makoto Kiso
Makoto Kiso Gifu University
Norio Nishi
Norio Nishi Hokkaido University
Yutaka Shimada
Yutaka Shimada Kyoto University
Yuichi Yamamura
Yuichi Yamamura Osaka University

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