World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
54
Citations
14094
World Ranking
15437
National Ranking
1092

Michio Ui 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 Michio Ui 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: 161 publications — 32nd percentile

32% of scientists in this discipline score the same or lower.

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

Michio Ui 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 Michio Ui 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.

Research.com Recognitions

  • 1991 - Paul Ehrlich and Ludwig Darmstaedter Prize

Overview

What is he best known for?

The fields of study he is best known for:

  • Enzyme
  • Biochemistry
  • Internal medicine

Michio Ui mainly focuses on Biochemistry, Pertussis toxin, Cyclase, Receptor and GTP'. Michio Ui has researched Pertussis toxin in several fields, including Chemotaxis, Arachidonic acid, Inositol, Phospholipase C and Membrane protein. Michio Ui interconnects Molecular biology, Adenylate kinase and Peptide in the investigation of issues within Cyclase.

His study looks at the intersection of Molecular biology and topics like Adrenergic receptor with Muscarinic acetylcholine receptor. In his study, Sphingosine-1-phosphate receptor, Endocrinology, Internal medicine and Sphingolipid is strongly linked to Transfection, which falls under the umbrella field of Receptor. His GTP' research includes themes of Alpha, Beta and G alpha subunit.

His most cited work include:

  • A new micromethod for the colorimetric determination of inorganic phosphate. (695 citations)
  • COLORIMETRIC DETERMINATION OF FREE FATTY ACIDS IN BIOLOGICAL FLUIDS. (630 citations)
  • An ultrasensitive method for the simultaneous determination of cyclic AMP and cyclic GMP in small-volume samples from blood and tissue (617 citations)

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

Biochemistry, Internal medicine, Endocrinology, Pertussis toxin and Cyclase are his primary areas of study. Michio Ui connects Biochemistry with Biological activity in his research. His Endocrinology research focuses on Serotonin and how it connects with Carbohydrate metabolism.

His Pertussis toxin research is classified as research in Receptor. His study on Receptor is mostly dedicated to connecting different topics, such as Cell biology. His work in Cyclase addresses issues such as Adenylate kinase, which are connected to fields such as Agonist.

He most often published in these fields:

  • Biochemistry (34.62%)
  • Internal medicine (30.77%)
  • Endocrinology (30.77%)

What were the highlights of his more recent work (between 1998-2017)?

  • Cell biology (13.85%)
  • Receptor (18.46%)
  • Sphingosine (6.92%)

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

His primary areas of study are Cell biology, Receptor, Sphingosine, Sphingosine-1-phosphate and Biochemistry. His Receptor study combines topics from a wide range of disciplines, such as Endocrinology and High-throughput screening. His Sphingosine research incorporates elements of Molecular biology, Signal transduction, Phospholipase C and Inositol phosphate.

His studies in Sphingosine-1-phosphate integrate themes in fields like Phospholipase, Inositol trisphosphate and Intracellular, Second messenger system. His Forskolin research is multidisciplinary, incorporating perspectives in Rolipram, Tyrosine, Adenylate kinase and GTP'. His work on Glycogen phosphorylase, Cerebral cortex, Cyclase and Cyclase activity as part of general Internal medicine study is frequently linked to Desipramine, therefore connecting diverse disciplines of science.

Between 1998 and 2017, his most popular works were:

  • Interaction of sphingosine 1-phosphate with plasma components, including lipoproteins, regulates the lipid receptor-mediated actions. (343 citations)
  • Sphingosine 1-Phosphate May Be a Major Component of Plasma Lipoproteins Responsible for the Cytoprotective Actions in Human Umbilical Vein Endothelial Cells (242 citations)
  • Sphingosine 1-phosphate stimulates proliferation and migration of human endothelial cells possibly through the lipid receptors, Edg-1 and Edg-3. (211 citations)

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

  • Enzyme
  • Internal medicine
  • Biochemistry

His primary scientific interests are in Sphingosine, Cell biology, Signal transduction, Inositol phosphate and Receptor. His Sphingosine research is under the purview of Biochemistry. His Biochemistry study frequently links to related topics such as Pharmacology.

His Signal transduction research integrates issues from Sphingosine-1-phosphate receptor, Angiogenesis and Forskolin. His Inositol phosphate study integrates concerns from other disciplines, such as Sphingolipid, Transfection and Chinese hamster ovary cell. His research on Receptor often connects related areas such as Endocrinology.

Best Publications

  • A new micromethod for the colorimetric determination of inorganic phosphate.

    Koichi Itaya;Michio Ui

  • COLORIMETRIC DETERMINATION OF FREE FATTY ACIDS IN BIOLOGICAL FLUIDS.

    Koichi Itaya;Michio Ui

  • An ultrasensitive method for the simultaneous determination of cyclic AMP and cyclic GMP in small-volume samples from blood and tissue

    Miyuki Honma;Tomokazu Satoh;Junichi Takezawa;Michio Ui

  • Islet-activating protein, pertussis toxin: a probe for functions of the inhibitory guanine nucleotide regulatory component of adenylate cyclase

    Michio Ui

  • Specific uncoupling by islet-activating protein, pertussis toxin, of negative signal transduction via alpha-adrenergic, cholinergic, and opiate receptors in neuroblastoma x glioma hybrid cells.

    H Kurose;T Katada;T Amano;M Ui

  • Interaction of sphingosine 1-phosphate with plasma components, including lipoproteins, regulates the lipid receptor-mediated actions.

    Naoya Murata;Koichi Sato;Junko Kon;Hideaki Tomura

  • Two guanine nucleotide-binding proteins in rat brain serving as the specific substrate of islet-activating protein, pertussis toxin. Interaction of the alpha-subunits with beta gamma-subunits in development of their biological activities.

    T Katada;M Oinuma;M Ui

  • Sphingosine 1-Phosphate May Be a Major Component of Plasma Lipoproteins Responsible for the Cytoprotective Actions in Human Umbilical Vein Endothelial Cells

    Takao Kimura;Koichi Sato;Atsushi Kuwabara;Hideaki Tomura

  • Coupling of the guanine nucleotide regulatory protein to chemotactic peptide receptors in neutrophil membranes and its uncoupling by islet-activating protein, pertussis toxin. A possible role of the toxin substrate in Ca2+-mobilizing receptor-mediated signal transduction.

    F Okajima;T Katada;M Ui

  • Activation of the human innate immune system by Spirulina: augmentation of interferon production and NK cytotoxicity by oral administration of hot water extract of Spirulina platensis.

    Tomohiro Hirahashi;Misako Matsumoto;Kaoru Hazeki;Yoshiko Saeki

  • A role of the B-oligomer moiety of islet-activating protein, pertussis toxin, in development of the biological effects on intact cells.

    M Tamura;K Nogimori;M Yajima;K Ase

  • Comparison of Intrinsic Activities of the Putative Sphingosine 1-Phosphate Receptor Subtypes to Regulate Several Signaling Pathways in Their cDNA-transfected Chinese Hamster Ovary Cells

    Junko Kon;Koichi Sato;Tomoko Watanabe;Hideaki Tomura

  • Mechanisms for inhibition of the catalytic activity of adenylate cyclase by the guanine nucleotide-binding proteins serving as the substrate of islet-activating protein, pertussis toxin.

    T Katada;M Oinuma;M Ui

  • Inhibition by islet-activating protein of a chemotactic peptide-induced early breakdown of inositol phospholipids and Ca2+ mobilization in guinea pig neutrophils.

    H Ohta;F Okajima;M Ui

  • Sphingosine 1-phosphate stimulates proliferation and migration of human endothelial cells possibly through the lipid receptors, Edg-1 and Edg-3.

    Takao Kimura;Tomoko Watanabe;Koichi Sato;Junko Kon

  • The A protomer of islet-activating protein, pertussis toxin, as an active peptide catalyzing ADP-ribosylation of a membrane protein

    Toshiaki Katada;Makoto Tamura;Michio Ui

  • A role of phosphofructokinase in pH-dependent regulation of glycolysis

    Michio Ui

  • A new GTP-binding protein in brain tissues serving as the specific substrate of islet-activating protein, pertussis toxin

    Toshiaki Katada;Masayuki Oinuma;Kayoko Kusakabe;Michio Ui

  • In vitro metabolism of the glycosidic sweeteners, stevia mixture and enzymatically modified stevia in human intestinal microflora.

    E Koyama;K Kitazawa;Y Ohori;O Izawa

  • Modulation by islet-activating protein of adenylate cyclase activity in C6 glioma cells

    T Katada;T Amano;M Ui

Frequent Co-Authors

Fumikazu Okajima
Fumikazu Okajima Aomori University
Koichi Sato
Koichi Sato Gunma University
Hideaki Tomura
Hideaki Tomura Meiji University
Toshiaki Katada
Toshiaki Katada Musashino University
Akira Ito
Akira Ito Nagoya University
Tsukasa Seya
Tsukasa Seya Hokkaido University
Yoshiro Inoue
Yoshiro Inoue Hokkaido University
Misako Matsumoto
Misako Matsumoto Aomori University
Yoshiro Saito
Yoshiro Saito Tohoku University
Hiroshi Itoh
Hiroshi Itoh Yamaguchi University

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