World's Best Scientists 2026 revealed!
Ken-ichi Hosoya

Ken-ichi Hosoya

D-Index & Metrics

Biology and Biochemistry

D-Index
64
Citations
11654
World Ranking
9883
National Ranking
662

Ken-ichi Hosoya 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-ichi Hosoya 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: 261 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Ken-ichi Hosoya 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-ichi Hosoya 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: 64 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Overview

What is he best known for?

The fields of study he is best known for:

  • Enzyme
  • Gene
  • Biochemistry

Blood–brain barrier, Endothelial stem cell, Biochemistry, Blood–retinal barrier and Efflux are his primary areas of study. Ken Ichi Hosoya has researched Blood–brain barrier in several fields, including Gene expression and Aspartic acid. His work deals with themes such as Cell growth, Proteoglycan, Cell biology, Internalization and Taurine, which intersect with Endothelial stem cell.

The various areas that he examines in his Biochemistry study include Molecular biology and Biophysics. His Blood–retinal barrier research integrates issues from Transporter, Retina, Glucose transporter, Vitamin C and Sodium-Coupled Vitamin C Transporters. His work in Retina addresses subjects such as Retinal, which are connected to disciplines such as Tight junction.

His most cited work include:

  • A pericyte-derived angiopoietin-1 multimeric complex induces occludin gene expression in brain capillary endothelial cells through Tie-2 activation in vitro (259 citations)
  • Inducible nitric oxide synthase isoform is a key mediator of leukostasis and blood-retinal barrier breakdown in diabetic retinopathy. (201 citations)
  • Thioredoxin interacting protein (TXNIP) induces inflammation through chromatin modification in retinal capillary endothelial cells under diabetic conditions. (172 citations)

What are the main themes of his work throughout his whole career to date?

Ken Ichi Hosoya spends much of his time researching Blood–retinal barrier, Biochemistry, Cell biology, Endothelial stem cell and Blood–brain barrier. His Blood–retinal barrier study incorporates themes from Biophysics, Retinal, Verapamil, Membrane transport protein and Retina. The concepts of his Cell biology study are interwoven with issues in Pericyte, Immunology, GLUT1 and Immortalised cell line.

Within one scientific family, Ken Ichi Hosoya focuses on topics pertaining to Molecular biology under Endothelial stem cell, and may sometimes address concerns connected to Gene expression. His Blood–brain barrier research incorporates themes from Efflux and Pharmacology. His work carried out in the field of Endocrinology brings together such families of science as Receptor and Cerebrospinal fluid.

He most often published in these fields:

  • Blood–retinal barrier (31.47%)
  • Biochemistry (30.28%)
  • Cell biology (27.09%)

What were the highlights of his more recent work (between 2014-2021)?

  • Blood–retinal barrier (31.47%)
  • Pharmacology (14.34%)
  • Transporter (20.32%)

In recent papers he was focusing on the following fields of study:

Ken Ichi Hosoya mainly focuses on Blood–retinal barrier, Pharmacology, Transporter, Cell biology and Retina. His Blood–retinal barrier research is multidisciplinary, incorporating perspectives in Biophysics, Biochemistry, Verapamil, Molecular biology and Confocal microscopy. His Pharmacology study combines topics from a wide range of disciplines, such as Blood–brain barrier, Brain uptake, Membrane transport protein, Organic cation transport proteins and Efflux.

The Transporter study combines topics in areas such as Immunostaining and Transfection. His research in the fields of Extracellular overlaps with other disciplines such as Phosphocreatine. His Retina research is multidisciplinary, incorporating elements of Retinal, Messenger RNA, Glutamate aspartate transporter and Drug.

Between 2014 and 2021, his most popular works were:

  • Contribution of Pannexin 1 and Connexin 43 Hemichannels to Extracellular Calcium–Dependent Transport Dynamics in Human Blood-Brain Barrier Endothelial Cells (30 citations)
  • Beta-2 Adrenergic Agonists Are Substrates and Inhibitors of Human Organic Cation Transporter 1. (25 citations)
  • Prostaglandin Transporter (PGT/SLCO2A1) Protects the Lung from Bleomycin-Induced Fibrosis. (24 citations)

In his most recent research, the most cited papers focused on:

  • Enzyme
  • Gene
  • Biochemistry

His primary areas of investigation include Blood–retinal barrier, Pharmacology, Organic cation transport proteins, Retina and Blood–brain barrier. He has included themes like Biochemistry, Osmolyte, Retinal pigment epithelium, Biophysics and Molecular biology in his Blood–retinal barrier study. His study in Pharmacology is interdisciplinary in nature, drawing from both Choline, Bioinformatics, Membrane transport protein, Efflux and Nicotine.

His Organic cation transport proteins study combines topics in areas such as Pharmaceutical sciences, Internal medicine and ATP-binding cassette transporter. His study looks at the intersection of Retina and topics like Retinal with In vitro, Distribution and L-Type Amino Acid Transporter. His Blood–brain barrier research is under the purview of Endocrinology.

Best Publications

  • A pericyte-derived angiopoietin-1 multimeric complex induces occludin gene expression in brain capillary endothelial cells through Tie-2 activation in vitro

    Satoko Hori;Sumio Ohtsuki;Ken Ichi Hosoya;Emi Nakashima

  • Inducible nitric oxide synthase isoform is a key mediator of leukostasis and blood-retinal barrier breakdown in diabetic retinopathy.

    Ermelindo C Leal;Ayyakkannu Manivannan;Ken-Ichi Hosoya;Tetsuya Terasaki

  • Role of blood–brain barrier organic anion transporter 3 (OAT3) in the efflux of indoxyl sulfate, a uremic toxin: its involvement in neurotransmitter metabolite clearance from the brain

    Sumio Ohtsuki;Hiroshi Asaba;Hitomi Takanaga;Tsuneo Deguchi

  • Thioredoxin interacting protein (TXNIP) induces inflammation through chromatin modification in retinal capillary endothelial cells under diabetic conditions.

    Lorena Perrone;Takhellambam S. Devi;Ken Ichi Hosoya;Tetsuya Terasaki

  • Roles of the conjunctiva in ocular drug delivery: a review of conjunctival transport mechanisms and their regulation.

    Ken-ichi Hosoya;Vincent H.L. Lee;Kwang-Jin Kim

  • The blood-brain barrier creatine transporter is a major pathway for supplying creatine to the brain.

    Sumio Ohtsuki;Masanori Tachikawa;Hitomi Takanaga;Hidemi Shimizu

  • GAT2/BGT-1 as a System Responsible for the Transport of γ-Aminobutyric Acid at the Mouse Blood–Brain Barrier:

    Hitomi Takanaga;Sumio Ohtsuki;Ken Ichi Hosoya;Tetsuya Terasaki

  • Conditionally immortalized retinal capillary endothelial cell lines (TR-iBRB) expressing differentiated endothelial cell functions derived from a transgenic rat.

    Ken-Ichi Hosoya;Masatoshi Tomi;Sumio Ohtsuki;Hitomi Takanaga

  • New approaches to in vitro models of blood-brain barrier drug transport.

    Tetsuya Terasaki;Sumio Ohtsuki;Satoko Hori;Hitomi Takanaga

  • Rat Organic Anion Transporter 3 (rOAT3) is Responsible for Brain-to-Blood Efflux of Homovanillic Acid at the Abluminal Membrane of Brain Capillary Endothelial Cells:

    Shinobu Mori;Hitomi Takanaga;Hitomi Takanaga;Sumio Ohtsuki;Sumio Ohtsuki;Tsuneo Deguchi

  • Blood-brain barrier is involved in the efflux transport of a neuroactive steroid, dehydroepiandrosterone sulfate, via organic anion transporting polypeptide 2.

    Hiroshi Asaba;Ken Ichi Hosoya;Hitomi Takanaga;Sumio Ohtsuki

  • Advances in the Cell Biology of Transport via the Inner Blood-Retinal Barrier: Establishment of Cell Lines and Transport Functions

    Ken Ichi Hosoya;Masatoshi Tomi

  • Age-dependent expression of P-glycoprotein gp170 in Caco-2 cell monolayers.

    Ken-ichi Hosoya;Kwang-Jin Kim;Vincent H. L. Lee

  • Regulation of taurine transport at the blood–brain barrier by tumor necrosis factor-α, taurine and hypertonicity

    Young Sook Kang;Sumio Ohtsuki;Hitomi Takanaga;Masatoshi Tomi

  • Inhibition of TXNIP expression in vivo blocks early pathologies of diabetic retinopathy

    L. Perrone;T. S. Devi;K. I. Hosoya;T. Terasaki

  • Brain Insulin Impairs Amyloid-β(1-40) Clearance from the Brain

    Takeshi Shiiki;Sumio Ohtsuki;Atsushi Kurihara;Hideo Naganuma

  • Activating transcription factor 4 mediates hyperglycaemia-induced endothelial inflammation and retinal vascular leakage through activation of STAT3 in a mouse model of type 1 diabetes.

    Y. Chen;J. J. Wang;J. Li;K. I. Hosoya

  • MCT1-Mediated Transport of L-Lactic Acid at the Inner Blood–Retinal Barrier: A Possible Route for Delivery of Monocarboxylic Acid Drugs to the Retina

    Ken-ichi Hosoya;Tetsu Kondo;Masatoshi Tomi;Hitomi Takanaga

  • Conditionally immortalized cell lines as a new in vitro model for the study of barrier functions

    Tetsuya Terasaki;Ken Ichi Hosoya

  • Critical role of TXNIP in oxidative stress, DNA damage and retinal pericyte apoptosis under high glucose: Implications for diabetic retinopathy

    Takhellambam S. Devi;Ken Ichi Hosoya;Tetsuya Terasaki;Lalit P. Singh

Frequent Co-Authors

Tetsuya Terasaki
Tetsuya Terasaki Tohoku University
Masanori Tachikawa
Masanori Tachikawa University of Tokushima
Sumio Ohtsuki
Sumio Ohtsuki Kumamoto University
Masuo Obinata
Masuo Obinata Tohoku University
Kwang-Jin Kim
Kwang-Jin Kim University of Southern California
Masahiko Watanabe
Masahiko Watanabe Hokkaido University
Ikumi Tamai
Ikumi Tamai Kanazawa University
Kathryn F. LaNoue
Kathryn F. LaNoue Pennsylvania State University
Kenji Sugibayashi
Kenji Sugibayashi Josai University
Yasunori Morimoto
Yasunori Morimoto Josai University

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