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Sumio Ohtsuki

Sumio Ohtsuki

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Biology and Biochemistry 79 4393 4051 289 271 276 18727

Sumio Ohtsuki publications per year

The chart shows the history of publications by Sumio Ohtsuki between 1994 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sumio Ohtsuki published across 32 years, from 1994 to 2025, averaging 10.5 papers a year. Output peaked at 42 publications in 2023. 33 of the 336 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1994 to 2025. Vertical axis: number of publications, 0 to 42. Peak 42 publications in 2023. 1994: 1 publication 1995: 0 publications 1996: 0 publications 1997: 3 publications 1998: 3 publications 1999: 1 publication 2000: 7 publications 2001: 7 publications 2002: 14 publications 2003: 8 publications 2004: 15 publications 2005: 14 publications 2006: 10 publications 2007: 18 publications 2008: 6 publications 2009: 6 publications 2010: 9 publications 2011: 15 publications 2012: 7 publications 2013: 11 publications 2014: 7 publications 2015: 8 publications 2016: 5 publications 2017: 14 publications 2018: 10 publications 2019: 15 publications 2020: 19 publications 2021: 15 publications 2022: 13 publications 2023: 42 publications 2024: 10 publications 2025: 23 publications
1994 2025

336 publications in total across all disciplines

View publications per year as a table
Sumio Ohtsuki: publications per year, 1994 to 2025
Year Publications
1994 1
1995 0
1996 0
1997 3
1998 3
1999 1
2000 7
2001 7
2002 14
2003 8
2004 15
2005 14
2006 10
2007 18
2008 6
2009 6
2010 9
2011 15
2012 7
2013 11
2014 7
2015 8
2016 5
2017 14
2018 10
2019 15
2020 19
2021 15
2022 13
2023 42
2024 10
2025 23
Total 336
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Sumio Ohtsuki 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 Sumio Ohtsuki sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 100 bars. Horizontal axis: publications, 47–56 to 1,028+. Vertical axis: number of scientists, 0 to 980. Most scientists, 980, have 127–136 publications. The last bar groups every scientist with 1,028 publications or more. The highlighted bar, 267–276 publications, is where this scientist sits. 47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 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: 417 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: 196 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: 59 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 scientist 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientist 1,028+ publications: 100 scientists
47–56 publications 1,028+

This scientist: 276 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Biology and Biochemistry scientists by publication count, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
Publications Scientists This scientist
47–56 8
57–66 35
67–76 106
77–86 231
87–96 413
97–106 546
107–116 704
117–126 848
127–136 980
137–146 942
147–156 969
157–166 949
167–176 951
177–186 915
187–196 787
197–206 840
207–216 733
217–226 708
227–236 651
237–246 605
247–256 510
257–266 524
267–276 434 276
277–286 417
287–296 350
297–306 363
307–316 315
317–326 296
327–336 261
337–346 240
347–356 219
357–366 196
367–376 154
377–386 161
387–396 155
397–406 145
407–416 124
417–426 112
427–436 132
437–446 116
447–456 99
457–466 81
467–476 91
477–486 80
487–496 80
497–506 59
507–516 36
517–526 46
527–536 54
537–546 44
547–556 43
557–566 43
567–576 42
577–586 25
587–596 34
597–606 23
607–616 33
617–626 31
627–636 27
637–646 25
647–656 28
657–666 34
667–676 18
677–686 16
687–696 10
697–706 12
707–716 21
717–726 12
727–736 12
737–746 10
747–756 7
757–766 13
767–776 15
777–786 13
787–796 9
797–806 9
807–816 7
817–826 4
827–836 9
837–846 7
847–856 3
857–866 5
867–876 5
877–886 11
887–896 3
897–906 4
907–916 7
917–926 5
927–936 6
937–946 6
947–956 3
957–966 7
967–976 2
977–986 2
987–996 1
997–1,006 5
1,007–1,016 2
1,017–1,026 2
1,027 1
1,028+ 100
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Sumio Ohtsuki 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 Sumio Ohtsuki sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 65 bars. Horizontal axis: D-Index, 40–41 to 167+. Vertical axis: number of scientists, 0 to 1,253. Most scientists, 1,253, have 58–59 D-Index. The last bar groups every scientist with 167 D-Index or more. The highlighted bar, 78–79 D-Index, is where this scientist sits. 40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 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: 71 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
40–41 D-Index 167+

This scientist: 79 D-Index — 79th percentile

79% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Biology and Biochemistry scientists by D-index, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
D-Index Scientists This scientist
40–41 80
42–43 183
44–45 316
46–47 504
48–49 718
50–51 899
52–53 1,025
54–55 1,149
56–57 1,235
58–59 1,253
60–61 1,162
62–63 1,130
64–65 1,031
66–67 897
68–69 814
70–71 714
72–73 709
74–75 596
76–77 512
78–79 473 79
80–81 412
82–83 373
84–85 358
86–87 285
88–89 273
90–91 227
92–93 208
94–95 193
96–97 153
98–99 157
100–101 148
102–103 120
104–105 113
106–107 100
108–109 86
110–111 67
112–113 71
114–115 73
116–117 64
118–119 53
120–121 60
122–123 54
124–125 43
126–127 38
128–129 49
130–131 26
132–133 18
134–135 23
136–137 32
138–139 32
140–141 27
142–143 19
144–145 22
146–147 12
148–149 16
150–151 14
152–153 10
154–155 13
156–157 10
158–159 7
160–161 9
162–163 13
164–165 4
166 4
167+ 98
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Overview

Sumio Ohtsuki is affiliated with Kumamoto University in Japan. Their research primarily spans the fields of biochemistry, genetics, molecular biology, and medicine, with 97 and 72 publications respectively in these areas. Their subfields of study include molecular biology, oncology, neurology, spectroscopy, and cell biology.

Their work broadly covers multiple main topics such as:

  • Barrier Structure and Function Studies
  • Advanced Proteomics Techniques and Applications
  • Metabolomics and Mass Spectrometry Studies
  • Drug Transport and Resistance Mechanisms
  • Mass Spectrometry Techniques and Applications
  • Amino Acid Enzymes and Metabolism
  • Protein Degradation and Inhibitors

Sumio Ohtsuki has published papers in several well-known venues. Frequent publication venues include:

  • Drug Metabolism and Pharmacokinetics
  • Pharmaceutical Research
  • Fluids and Barriers of the CNS
  • Molecular Pharmaceutics
  • Biological and Pharmaceutical Bulletin

Recent research articles authored by or involving Sumio Ohtsuki include:

  • "Matrix mechanotransduction mediated by thrombospondin-1/integrin/YAP in the vascular remodeling," 2020, Proceedings of the National Academy of Sciences
  • "Novel cyclic peptides facilitating transcellular blood-brain barrier transport of macromolecules in vitro and in vivo," 2020, Journal of Controlled Release
  • "Lysine Demethylase 5A Is Required for MYC-Driven Transcription in Multiple Myeloma," 2021, Blood Cancer Discovery
  • "Quantitative and targeted proteomics-based identification and validation of drug efficacy biomarkers," 2020, Drug Metabolism and Pharmacokinetics
  • "COL1A2 inhibition suppresses glioblastoma cell proliferation and invasion," 2022, Journal of Neurosurgery

The scientist collaborates frequently with several co-authors, notably:

  • Takeshi Masuda (51 collaborations)
  • Shingo Ito (24 collaborations)
  • Seiryo Ogata (15 collaborations)
  • Shingo Ito (13 collaborations)
  • Mitsutoshi Nakada (7 collaborations)

Best Publications

  • Quantitative targeted absolute proteomics of human blood–brain barrier transporters and receptors

    Yasuo Uchida;Sumio Ohtsuki;Yuki Katsukura;Chiemi Ikeda

  • Quantitative Atlas of Membrane Transporter Proteins: Development and Application of a Highly Sensitive Simultaneous LC/MS/MS Method Combined with Novel In-silico Peptide Selection Criteria

    Junichi Kamiie;Sumio Ohtsuki;Ryo Iwase;Ken Ohmine

  • Contribution of carrier-mediated transport systems to the blood-brain barrier as a supporting and protecting interface for the brain; importance for CNS drug discovery and development.

    Sumio Ohtsuki;Tetsuya Terasaki

  • Simultaneous Absolute Protein Quantification of Transporters, Cytochromes P450, and UDP-Glucuronosyltransferases as a Novel Approach for the Characterization of Individual Human Liver: Comparison with mRNA Levels and Activities

    Sumio Ohtsuki;Olaf Schaefer;Hirotaka Kawakami;Tae Inoue

  • Multi-laboratory assessment of reproducibility, qualitative and quantitative performance of SWATH-mass spectrometry

    Ben C. Collins;Christie L. Hunter;Yansheng Liu;Birgit Schilling

  • 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

  • Transcriptomic and Quantitative Proteomic Analysis of Transporters and Drug Metabolizing Enzymes in Freshly Isolated Human Brain Microvessels

    Ramzi Shawahna;Yasuo Uchida;Xavier Declèves;Sumio Ohtsuki

  • Quantitative targeted absolute proteomic analysis of transporters, receptors and junction proteins for validation of human cerebral microvascular endothelial cell line hCMEC/D3 as a human blood-brain barrier model

    Sumio Ohtsuki;Chiemi Ikeda;Yasuo Uchida;Yumi Sakamoto

  • 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

  • Quantitative Atlas of Blood–Brain Barrier Transporters, Receptors, and Tight Junction Proteins in Rats and Common Marmoset

    Yutaro Hoshi;Yasuo Uchida;Masanori Tachikawa;Takashi Inoue

  • A study protocol for quantitative targeted absolute proteomics (QTAP) by LC-MS/MS: application for inter-strain differences in protein expression levels of transporters, receptors, claudin-5, and marker proteins at the blood–brain barrier in ddY, FVB, and C57BL/6J mice

    Yasuo Uchida;Masanori Tachikawa;Wataru Obuchi;Yutaro Hoshi

  • Quantitative membrane protein expression at the blood-brain barrier of adult and younger cynomolgus monkeys

    Katsuaki Ito;Yasuo Uchida;Sumio Ohtsuki;Sanshiro Aizawa

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

    Sumio Ohtsuki;Masanori Tachikawa;Hitomi Takanaga;Hidemi Shimizu

  • Simultaneous absolute quantification of 11 cytochrome P450 isoforms in human liver microsomes by liquid chromatography tandem mass spectrometry with in silico target peptide selection.

    Hirotaka Kawakami;Sumio Ohtsuki;Junichi Kamiie;Takashi Suzuki

  • 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

  • Exogenous expression of claudin-5 induces barrier properties in cultured rat brain capillary endothelial cells.

    Sumio Ohtsuki;Saori Sato;Hirofumi Yamaguchi;Mayu Kamoi

  • Major role of organic anion transporter 3 in the transport of indoxyl sulfate in the kidney

    Tsuneo Deguchi;Sumio Ohtsuki;Sumio Ohtsuki;Masaki Otagiri;Masaki Otagiri;Hitomi Takanaga;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

Frequent Co-Authors

Tetsuya Terasaki
Tetsuya Terasaki Tohoku University
Masanori Tachikawa
Masanori Tachikawa University of Tokushima
Ken-ichi Hosoya
Ken-ichi Hosoya University of Toyama
Masuo Obinata
Masuo Obinata Tohoku University
Takaaki Abe
Takaaki Abe Tohoku University
Masaki Otagiri
Masaki Otagiri Sojo University
Takeshi Iwatsubo
Takeshi Iwatsubo University of Tokyo
Masahiko Watanabe
Masahiko Watanabe Hokkaido University
Takashi Suzuki
Takashi Suzuki Tohoku University

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