World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
65
Citations
13316
World Ranking
9268
National Ranking
625

Tomohisa Takagi 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 Tomohisa Takagi 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: 494 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Tomohisa Takagi 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 Tomohisa Takagi 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

Tomohisa Takagi is affiliated with Kyoto Prefectural University of Medicine in Japan. Their research intersects medicine and biochemistry, genetics, and molecular biology, with a specific focus on several subfields including surgery, molecular biology, epidemiology, genetics, and pulmonary and respiratory medicine.

The scientist's work concentrates on health-related aspects of gut microbiota, inflammatory bowel disease, and gastrointestinal cancers such as gastric and esophageal cancer. Other main topics include Helicobacter pylori-related gastroenterology, diet and metabolism studies, and microscopic colitis.

Takagi has contributed to numerous publications, frequently collaborating with other researchers including Yuji Naito, Kazuhiko Uchiyama, Yoshito Itoh, Takeshi Ishikawa, and Hideyuki Konishi. The most frequent venues for publication feature journals focused on clinical biochemistry, gastroenterology, and inflammatory bowel disease.

  • Journal of Clinical Biochemistry and Nutrition (13 publications)
  • Gastroenterology (8 publications)
  • Journal of Gastroenterology (7 publications)
  • Journal of Crohn's and Colitis (7 publications)
  • Journal of Gastroenterology and Hepatology (6 publications)

Examples of recent papers with Takagi as an author or coauthor include:

  • "Changes in the Gut Microbiota are Associated with Hypertension, Hyperlipidemia, and Type 2 Diabetes Mellitus in Japanese Subjects", 2020, Nutrients
  • "Full-length 16S rRNA gene amplicon analysis of human gut microbiota using MinION™ nanopore sequencing confers species-level resolution", 2021, BMC Microbiology
  • "Intake of sucrose affects gut dysbiosis in patients with type 2 diabetes", 2020, Journal of Diabetes Investigation
  • "Epigallocatechin-3-gallate (EGCG) attenuates non-alcoholic fatty liver disease via modulating the interaction between gut microbiota and bile acids", 2020, Journal of Clinical Biochemistry and Nutrition
  • "Efficacy and safety of 48 weeks of guselkumab for patients with Crohn's disease: maintenance results from the phase 2, randomised, double-blind GALAXI-1 trial", 2023, The Lancet. Gastroenterology & Hepatology

Best Publications

  • Silver nanoparticles as a safe preservative for use in cosmetics

    Satoshi Kokura;Osamu Handa;Tomohisa Takagi;Takeshi Ishikawa

  • A novel myokine, secreted protein acidic and rich in cysteine (SPARC), suppresses colon tumorigenesis via regular exercise

    Wataru Aoi;Yuji Naito;Tomohisa Takagi;Yuko Tanimura

  • Heme oxygenase-1 and anti-inflammatory M2 macrophages.

    Yuji Naito;Tomohisa Takagi;Yasuki Higashimura

  • Differences in gut microbiota associated with age, sex, and stool consistency in healthy Japanese subjects.

    Tomohisa Takagi;Yuji Naito;Ryo Inoue;Saori Kashiwagi

  • A next-generation beneficial microbe: Akkermansia muciniphila.

    Yuji Naito;Kazuhiko Uchiyama;Tomohisa Takagi

  • Increased expression of microRNA in the inflamed colonic mucosa of patients with active ulcerative colitis.

    Tomohisa Takagi;Yuji Naito;Katsura Mizushima;Ikuhiro Hirata

  • Full-length 16S rRNA gene amplicon analysis of human gut microbiota using MinION™ nanopore sequencing confers species-level resolution.

    Yoshiyuki Matsuo;Shinnosuke Komiya;Yoshiaki Yasumizu;Yuki Yasuoka

  • Enhanced intestinal inflammation induced by dextran sulfate sodium in tumor necrosis factor-alpha deficient mice

    Yuji Naito;Tomohisa Takagi;Osamu Handa;Takeshi Ishikawa

  • Methylparaben potentiates UV-induced damage of skin keratinocytes.

    Osamu Handa;Satoshi Kokura;Satoko Adachi;Tomohisa Takagi

  • Astaxanthin protects mesangial cells from hyperglycemia-induced oxidative signaling†

    Emiko Manabe;Osamu Handa;Yuji Naito;Katsura Mizushima

  • The JAK/STAT pathway is involved in the upregulation of PD-L1 expression in pancreatic cancer cell lines.

    Toshifumi Doi;Takeshi Ishikawa;Tetsuya Okayama;Kaname Oka

  • Molecular fingerprints of neutrophil-dependent oxidative stress in inflammatory bowel disease.

    Yuji Naito;Tomohisa Takagi;Toshikazu Yoshikawa

  • Molecular mechanisms involved in anti-inflammatory effects of proton pump inhibitors

    O Handa;N Yoshida;N Fujita;Y Tanaka

  • Ability of a novel blue laser imaging system for the diagnosis of colorectal polyps

    Naohisa Yoshida;Nobuaki Yagi;Yutaka Inada;Munehiro Kugai

  • Green tea polyphenol (epigallocatechin-3-gallate) improves gut dysbiosis and serum bile acids dysregulation in high-fat diet-fed mice.

    Chihiro Ushiroda;Yuji Naito;Tomohisa Takagi;Kazuhiko Uchiyama

  • Neutrophil-Dependent Oxidative Stress in Ulcerative Colitis

    Yuji Naito;Tomohisa Takagi;Toshikazu Yoshikawa

  • Reduced intestinal inflammation induced by dextran sodium sulfate in interleukin-6-deficient mice.

    Yuji Naito;Tomohisa Takagi;Kazuhiko Uchiyama;Masaaki Kuroda

  • Linked color imaging improves endoscopic diagnosis of active Helicobacter pylori infection

    Osamu Dohi;Nobuaki Yagi;Yuriko Onozawa;Reiko Kimura-Tsuchiya

  • The influence of long-term use of proton pump inhibitors on the gut microbiota: an age-sex-matched case-control study.

    Tomohisa Takagi;Yuji Naito;Ryo Inoue;Saori Kashiwagi

  • Galectin-9 exhibits anti-myeloma activity through JNK and p38 MAP kinase pathways

    T Kobayashi;J Kuroda;E Ashihara;S Oomizu

Frequent Co-Authors

Yuji Naito
Yuji Naito Kyoto Prefectural University of Medicine
Toshikazu Yoshikawa
Toshikazu Yoshikawa Kyoto Prefectural University of Medicine
Kazuhiko Igarashi
Kazuhiko Igarashi Tohoku University
Takashi Suzuki
Takashi Suzuki Tohoku University
Yoji Kato
Yoji Kato University of Hyogo
Hirohisa Takano
Hirohisa Takano Kyoto University
Motoharu Kondo
Motoharu Kondo Kyoto Prefectural University of Medicine
Kiichi Hirota
Kiichi Hirota Kansai Medical University
Akio Inui
Akio Inui Kagoshima University
Takeshi Azuma
Takeshi Azuma Kobe University

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