World's Best Scientists 2026 revealed!
Ken Kitajima

Ken Kitajima

D-Index & Metrics

Biology and Biochemistry

D-Index
65
Citations
10810
World Ranking
9415
National Ranking
639

Ken Kitajima 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 Ken Kitajima 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: 270 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Ken Kitajima 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 Ken Kitajima 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: 65 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Overview

Ken Kitajima is affiliated with Nagoya University in Japan and has contributed extensively to the fields of biochemistry, genetics, molecular biology, and medicine. Their research focuses primarily on molecular biology with significant work also in cell biology, immunology, genetics, and radiology. The scientist's work spans several specialized topics including glycosylation and glycoproteins research, proteoglycans and glycosaminoglycans research, galectins and cancer biology, monoclonal and polyclonal antibodies research, neurogenesis and neuroplasticity mechanisms, aquaculture disease management and microbiota, as well as caveolin-1 and related cellular processes.

Their recent publications demonstrate ongoing engagement with these themes. Notable papers include:

  • Polysialylation and disease, 2020, Molecular Aspects of Medicine
  • Discovery of a new sialic acid binding region that regulates Siglec-7, 2020, Scientific Reports
  • Identification and functional characterization of a Siglec-7 counter-receptor on K562 cells, 2021, Journal of Biological Chemistry
  • Evolutionary conservation of human ketodeoxynonulosonic acid production is independent of sialoglycan biosynthesis, 2020, Journal of Clinical Investigation
  • Exploring the Impact of Ketodeoxynonulosonic Acid in Host-Pathogen Interactions Using Uptake and Surface Display by Nontypeable Haemophilus influenzae, 2021, mBio

Several co-authors frequently collaborate with Ken Kitajima, including Chihiro Sato, Masaya Hane, Di Wu, Hiroshi Tanaka, and Rina Hatanaka. These collaborations appear regularly in various publications, suggesting a consistent research network.

The scientist's work has been published predominantly in journals such as Scientific Reports, International Journal of Molecular Sciences, Biochemical and Biophysical Research Communications, bioRxiv (Cold Spring Harbor Laboratory), and Journal of Biological Chemistry, reflecting a broad engagement with reputable scientific venues.

Ken Kitajima's areas of expertise integrate aspects of molecular biology and biochemistry with clinical and translational research themes, making a link between fundamental biological processes and disease contexts. This is evident from the range of research topics and the multidisciplinary nature of their publication record.

Best Publications

  • Inhibition of herpes simplex virus infection by tannins and related compounds.

    Kunihiko Fukuchi;Hiroshi Sakagami;Takuo Okuda;Tsutomu Hatano

  • Secretion of a peripheral membrane protein, MFG-E8, as a complex with membrane vesicles.

    Kenji Oshima;Naohito Aoki;Takeo Kato;Ken Kitajima

  • Hypoxic culture induces expression of sialin, a sialic acid transporter, and cancer-associated gangliosides containing non-human sialic acid on human cancer cells

    Jun Yin;Ayako Hashimoto;Mineko Izawa;Keiko Miyazaki

  • Disialic, oligosialic and polysialic acids: distribution, functions and related disease

    Chihiro Sato;Ken Kitajima

  • Purification and enzymatic properties of peptide:N-glycanase from C3H mouse-derived L-929 fibroblast cells. Possible widespread occurrence of post-translational remodification of proteins by N-deglycosylation.

    T Suzuki;A Seko;K Kitajima;Y Inoue

  • Polysialic acid in human milk. CD36 is a new member of mammalian polysialic acid-containing glycoprotein.

    Uichiro Yabe;Chihiro Sato;Tsukasa Matsuda;Ken Kitajima

  • Endo-β-N-acetylglucosaminidase, an enzyme involved in processing of free oligosaccharides in the cytosol

    Tadashi Suzuki;Keiichi Yano;Seiji Sugimoto;Ken Kitajima

  • Frequent Occurrence of Pre-existing α2→8-Linked Disialic and Oligosialic Acids with Chain Lengths Up to 7 Sia Residues in Mammalian Brain Glycoproteins PREVALENCE REVEALED BY HIGHLY SENSITIVE CHEMICAL METHODS AND ANTI-DI-, OLIGO-, AND POLY-Sia ANTIBODIES SPECIFIC FOR DEFINED CHAIN LENGTHS

    Chihiro Sato;Hideyuki Fukuoka;Kaoru Ohta;Tsukasa Matsuda

  • Polysialic acid: biosynthesis, novel functions and applications.

    Karen J. Colley;Ken Kitajima;Chihiro Sato

  • Direct binding of polysialic acid to a brain-derived neurotrophic factor depends on the degree of polymerization.

    Yukihiro Kanato;Ken Kitajima;Chihiro Sato

  • KDN (deaminated neuraminic acid): dreamful past and exciting future of the newest member of the sialic acid family.

    Sadako Inoue;Ken Kitajima

  • A 33-kDa allergen from rice (Oryza sativa L. Japonica). cDNA cloning, expression, and identification as a novel glyoxalase I.

    Yumiko Usui;Masayuki Nakase;Hirotaka Hotta;Atsuo Urisu

  • Identification and Adipocyte Differentiation-dependent Expression of the Unique Disialic Acid Residue in an Adipose Tissue-specific Glycoprotein, Adipo Q *

    Chihiro Sato;Zenta Yasukawa;Naoteru Honda;Tsukasa Matsuda

  • Structural and Functional Impairments of Polysialic Acid by a Mutated Polysialyltransferase Found in Schizophrenia

    Ryo Isomura;Ken Kitajima;Chihiro Sato

  • Novel regulation of fibroblast growth factor 2 (FGF2)-mediated cell growth by polysialic acid

    Sayaka Ono;Masaya Hane;Ken Kitajima;Chihiro Sato

  • The AMOR Arabinogalactan Sugar Chain Induces Pollen-Tube Competency to Respond to Ovular Guidance

    Akane G. Mizukami;Rie Inatsugi;Jiao Jiao;Toshihisa Kotake

  • Identification of peptide:N-glycanase activity in mammalian-derived cultured cells.

    T. Suzuki;A. Seko;K. Kitajima;Y. Inoue

  • Cholesterol-dependent Localization of NAP-22 on a Neuronal Membrane Microdomain (Raft)

    Shohei Maekawa;Shohei Maekawa;Chihiro Sato;Ken Kitajima;Nobuo Funatsu

  • A 42-kDa glycoprotein from chicken egg-envelope, an avian homolog of the ZPC family glycoproteins in mammalian Zona pellucida. Its first identification, cDNA cloning and granulosa cell-specific expression.

    Yukinari Takeuchi;Keiji Nishimura;Naohito Aoki;Takahiro Adachi

  • Deaminated neuraminic acid-rich glycoprotein of rainbow trout egg vitelline envelope. Occurrence of a novel alpha-2,8-linked oligo(deaminated neuraminic acid) structure in O-linked glycan chains.

    A Kanamori;S Inoue;M Iwasaki;K Kitajima

Frequent Co-Authors

Tsukasa Matsuda
Tsukasa Matsuda Nagoya University
Satoshi Inoue
Satoshi Inoue Saitama Medical University
Kay-Hooi Khoo
Kay-Hooi Khoo National Taiwan University
Anne Dell
Anne Dell Imperial College London
Takaho Terada
Takaho Terada University of Tokyo
Howard R. Morris
Howard R. Morris Imperial College London
William J. Lennarz
William J. Lennarz Stony Brook University
Takashi Takahashi
Takashi Takahashi Nagoya University
Rita Gerardy-Schahn
Rita Gerardy-Schahn Hannover Medical School

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