World's Best Scientists 2026 revealed!
Hiroko Iwasaki

Hiroko Iwasaki

D-Index & Metrics

Biology and Biochemistry

D-Index
44
Citations
7067
World Ranking
19300
National Ranking
1393

Hiroko Iwasaki 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 Hiroko Iwasaki 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: 72 publications — 1st percentile

1% of scientists in this discipline score the same or lower.

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

Hiroko Iwasaki 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 Hiroko Iwasaki 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: 44 D-Index — 2nd percentile

2% of scientists in this discipline score the same or lower.

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

Overview

Hiroko Iwasaki is affiliated with Keio University in Japan and has contributed to research primarily in the fields of Medicine, Biochemistry, Genetics and Molecular Biology, and Immunology and Microbiology. Their work covers several subfields including Immunology, Molecular Biology, Physiology, Public Health, Environmental and Occupational Health, and Infectious Diseases.

The scientist's research topics show a focus on molecular and cellular mechanisms in health and disease. Key areas include Galectins and Cancer Biology, Invertebrate Immune Response Mechanisms, Studies on Chitinases and Chitosanases, Alzheimer's Disease Research and Treatments, Mitochondrial Function and Pathology, Genetics and Neurodevelopmental Disorders, and Bone and Dental Protein Studies.

Recent notable publications by Hiroko Iwasaki include:

  • Blood Levels of Galectin-9, an Immuno-Regulating Molecule, Reflect the Severity for the Acute and Chronic Infectious Diseases (2021, Biomolecules)
  • Plasma N-Cleaved Galectin-9 Is a Surrogate Marker for Determining the Severity of COVID-19 and Monitoring the Therapeutic Effects of Tocilizumab (2023, International Journal of Molecular Sciences)

Frequent coauthors collaborating with Iwasaki are:

  • Toshio Hattori
  • Gaowa Bai
  • Takashi Matsuba
  • Haorile Chagan-Yasutan
  • Yugo Ashino

Research publications involving Iwasaki have appeared in journals such as Biomolecules, International Journal of Molecular Sciences, Biomedicines, Communications Biology, and BMC Medical Education.

Through interdisciplinary research, Iwasaki's work spans molecular biology techniques and clinical insights, particularly investigating immunoregulatory molecules like Galectin-9 in infectious diseases and exploring molecular markers related to disease severity and therapeutic monitoring. Their research contributes to understanding the molecular basis and potential diagnostic tools in the context of infectious and neurodegenerative diseases.

Best Publications

  • Thrombopoietin/MPL Signaling Regulates Hematopoietic Stem Cell Quiescence and Interaction with the Osteoblastic Niche

    Hiroki Yoshihara;Fumio Arai;Kentaro Hosokawa;Tetsuya Hagiwara

  • Isolation and characterization of endosteal niche cell populations that regulate hematopoietic stem cells

    Yuka Nakamura;Fumio Arai;Hiroko Iwasaki;Kentaro Hosokawa

  • Molecular cloning and characterization of a novel UDP-GlcNAc : GalNAc-peptide β1,3-N-acetylglucosaminyltransferase (β3Gn-T6), an enzyme synthesizing the core 3 structure of O-glycans

    Toshie Iwai;Niro Inaba;Andreas Naundorf;Andreas Naundorf;Yan Zhang

  • Lewis and Secretor Gene Dosages Affect CA19-9 and DU-PAN-2 Serum Levels in Normal Individuals and Colorectal Cancer Patients

    Hisashi Narimatsu;Hiroko Iwasaki;Fumiaki Nakayama;Yuzuru Ikehara

  • Fbxw7 acts as a critical fail-safe against premature loss of hematopoietic stem cells and development of T-ALL

    Sahoko Matsuoka;Yuichi Oike;Yuichi Oike;Ichiro Onoyama;Atsushi Iwama

  • Molecular Genetic Analysis of the Human Lewis Histo-blood Group System*

    S Nishihara;H Narimatsu;H Iwasaki;S Yazawa

  • Cancer stem cells and their niche.

    Hiroko Iwasaki;Toshio Suda

  • Cloning and Characterization of a New Human UDP-N-Acetyl-α-d-galactosamine:PolypeptideN-Acetylgalactosaminyltransferase, Designated pp-GalNAc-T13, That Is Specifically Expressed in Neurons and Synthesizes GalNAc α-Serine/Threonine Antigen *

    Yan Zhang;Hiroko Iwasaki;Hiroko Iwasaki;Han Wang;Takashi Kudo

  • α1,3-Fucoslytransferase IX (Fuc-TIX) is very highly conserved between human and mouse; molecular cloning, characterization and tissue distribution of human Fuc-TIX

    Mika Kaneko;Mika Kaneko;Takashi Kudo;Hiroko Iwasaki;Yuzuru Ikehara

  • Molecular Genetic Analysis of the Human Lewis Histo-blood Group System II. SECRETOR GENE INACTIVATION BY A NOVEL SINGLE MISSENSE MUTATION A385T IN JAPANESE NONSECRETOR INDIVIDUALS

    Takashi Kudo;Hiroko Iwasaki;Shoko Nishihara;Naoko Shinya

  • Molecular Cloning and Characterization of UDP-GlcNAc:Lactosylceramide β1,3-N-Acetylglucosaminyltransferase (β3Gn-T5), an Essential Enzyme for the Expression of HNK-1 and Lewis X Epitopes on Glycolipids

    Akira Togayachi;Tomohiro Akashima;Tomohiro Akashima;Reiko Ookubo;Takashi Kudo

  • Function of oxidative stress in the regulation of hematopoietic stem cell-niche interaction

    Kentaro Hosokawa;Fumio Arai;Hiroki Yoshihara;Yuka Nakamura

  • Knockdown of N-cadherin suppresses the long-term engraftment of hematopoietic stem cells

    Kentaro Hosokawa;Fumio Arai;Hiroki Yoshihara;Hiroko Iwasaki

  • CD15 Expression in Mature Granulocytes Is Determined by α1,3-Fucosyltransferase IX, but in Promyelocytes and Monocytes by α1,3-Fucosyltransferase IV

    Fumiaki Nakayama;Shoko Nishihara;Hiroko Iwasaki;Takashi Kudo

  • Endothelial protein C receptor-expressing hematopoietic stem cells reside in the perisinusoidal niche in fetal liver

    Hiroko Iwasaki;Fumio Arai;Yoshiaki Kubota;Maria Dahl

  • Characterization of a novel human UDP-GalNAc transferase, pp-GalNAc-T15.

    Lamei Cheng;Kouichi Tachibana;Yan Zhang;Jian ming Guo

  • Molecular Cloning and Characterization of a Novel Human β1,4-N-Acetylgalactosaminyltransferase, β4GalNAc-T3, Responsible for the Synthesis of N,N′-Diacetyllactosediamine, GalNAcβ1–4GlcNAc

    Takashi Sato;Masanori Gotoh;Masanori Gotoh;Katsue Kiyohara;Akihiko Kameyama;Akihiko Kameyama

  • Differential Roles of TwoN-Acetylgalactosaminyltransferases, CSGalNAcT-1, and a Novel Enzyme, CSGalNAcT-2 INITIATION AND ELONGATION IN SYNTHESIS OF CHONDROITIN SULFATE

    Takashi Sato;Masanori Gotoh;Masanori Gotoh;Katsue Kiyohara;Tomohiro Akashima

  • α1,3-Fucosyltransferase 9 (FUT9; Fuc-TIX) preferentially fucosylates the distal GlcNAc residue of polylactosamine chain while the other four α1,3FUT members preferentially fucosylate the inner GlcNAc residue

    Shoko Nishihara;Hiroko Iwasaki;Mika Kaneko;Akira Tawada

  • Enzymatic synthesis of chondroitin with a novel chondroitin sulfate N-acetylgalactosaminyltransferase that transfers N-acetylgalactosamine to glucuronic acid in initiation and elongation of chondroitin sulfate synthesis.

    Masanori Gotoh;Masanori Gotoh;Takashi Sato;Tomohiro Akashima;Hiroko Iwasaki;Hiroko Iwasaki

Frequent Co-Authors

Hisashi Narimatsu
Hisashi Narimatsu National Institute of Advanced Industrial Science and Technology
Takashi Kudo
Takashi Kudo University of Tsukuba
Yuzuru Ikehara
Yuzuru Ikehara Chiba University
Koji Kimata
Koji Kimata Aichi Medical University
Hidetoshi Inoko
Hidetoshi Inoko Tokai University
Setsuo Hirohashi
Setsuo Hirohashi National Cancer Research Institute, UK
Naruya Saitou
Naruya Saitou National Institute of Genetics
Jianguo Gu
Jianguo Gu Tohoku Medical and Pharmaceutical University
Seiamak Bahram
Seiamak Bahram University of Strasbourg

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