World's Best Scientists 2026 revealed!
Takanori Kanai

Takanori Kanai

D-Index & Metrics

Medicine

D-Index
90
Citations
30836
World Ranking
12176
National Ranking
358

Takanori Kanai publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Takanori Kanai sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 816 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Takanori Kanai D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Takanori Kanai sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 90 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Takanori Kanai is affiliated with Keio University in Japan and has published extensively in the field of Medicine, with a particular focus on Surgery, Pulmonary and Respiratory Medicine, Epidemiology, Oncology, and Genetics. Their research spans a wide range of medical topics, including inflammatory bowel disease, gastric cancer management and outcomes, liver disease diagnosis and treatment, Helicobacter pylori-related gastroenterology studies, COVID-19 clinical research studies, esophageal and gastrointestinal pathology, and pancreatic and hepatic oncology research.

Kanai's recent publications include the following papers:

  • The liver-brain-gut neural arc maintains the Treg cell niche in the gut, 2020, Nature
  • An Organoid Biobank of Neuroendocrine Neoplasms Enables Genotype-Phenotype Mapping, 2020, Cell
  • CD8+ tissue-resident memory T cells promote liver fibrosis resolution by inducing apoptosis of hepatic stellate cells, 2021, Nature Communications
  • An organoid-based organ-repurposing approach to treat short bowel syndrome, 2021, Nature
  • Commensal microbe-derived acetate suppresses NAFLD/NASH development via hepatic FFAR2 signalling in mice, 2021, Microbiome

Their work has been published frequently in venues such as Gastroenterology, Gastrointestinal Endoscopy, Endoscopy, Digestive Endoscopy, and Scientific Reports. Kanai has collaborated with a number of frequent coauthors including Kaoru Takabayashi, Yohei Mikami, Tomohisa Sujino, Haruhiko Ogata, and Nobuhiro Nakamoto.

Main research topics covered in Kanai's publications include:

  • Inflammatory Bowel Disease
  • Gastric Cancer Management and Outcomes
  • Liver Disease Diagnosis and Treatment
  • Helicobacter pylori-related gastroenterology studies
  • COVID-19 Clinical Research Studies
  • Esophageal and GI Pathology
  • Pancreatic and Hepatic Oncology Research

The subfields of study Kanai has contributed to show a strong focus on clinical and translational medicine, especially in areas relating to surgery and respiratory medicine, with significant work in epidemiology and oncology as well. Their body of research covers a wide spectrum of gastrointestinal and liver-related conditions, linking molecular and clinical investigations.

Best Publications

  • Modeling colorectal cancer using CRISPR-Cas9-mediated engineering of human intestinal organoids

    Mami Matano;Shoichi Date;Mariko Shimokawa;Ai Takano

  • The gut microbiota and inflammatory bowel disease.

    Katsuyoshi Matsuoka;Takanori Kanai

  • A Colorectal Tumor Organoid Library Demonstrates Progressive Loss of Niche Factor Requirements during Tumorigenesis.

    Masayuki Fujii;Mariko Shimokawa;Shoichi Date;Ai Takano

  • Visualization and targeting of LGR5 + human colon cancer stem cells

    Mariko Shimokawa;Yuki Ohta;Shingo Nishikori;Mami Matano

  • Evidence-based clinical practice guidelines for inflammatory bowel disease

    Katsuyoshi Matsuoka;Taku Kobayashi;Fumiaki Ueno;Toshiyuki Matsui

  • Human Pancreatic Tumor Organoids Reveal Loss of Stem Cell Niche Factor Dependence during Disease Progression

    Takashi Seino;Shintaro Kawasaki;Mariko Shimokawa;Hiroki Tamagawa

  • Damaged epithelia regenerated by bone marrow–derived cells in the human gastrointestinal tract

    Ryuichi Okamoto;Tomoharu Yajima;Motomi Yamazaki;Takanori Kanai

  • Gut pathobionts underlie intestinal barrier dysfunction and liver T helper 17 cell immune response in primary sclerosing cholangitis

    Nobuhiro Nakamoto;Nobuo Sasaki;Nobuo Sasaki;Ryo Aoki;Ryo Aoki;Kentaro Miyamoto

  • A Single Strain of Clostridium butyricum Induces Intestinal IL-10-Producing Macrophages to Suppress Acute Experimental Colitis in Mice

    Atsushi Hayashi;Toshiro Sato;Nobuhiko Kamada;Yohei Mikami

  • CD4+CD25bright T Cells in Human Intestinal Lamina Propria as Regulatory Cells

    Shin Makita;Takanori Kanai;Shigeru Oshima;Koji Uraushihara

  • Free cholesterol accumulation in hepatic stellate cells: mechanism of liver fibrosis aggravation in nonalcoholic steatohepatitis in mice.

    Kengo Tomita;Toshiaki Teratani;Takahiro Suzuki;Motonori Shimizu

  • MyD88-deficient mice develop severe intestinal inflammation in dextran sodium sulfate colitis

    Akihiro Araki;Takanori Kanai;Takahiro Ishikura;Shin Makita

  • Inhibition of Dectin-1 Signaling Ameliorates Colitis by Inducing Lactobacillus-Mediated Regulatory T Cell Expansion in the Intestine

    Ce Tang;Ce Tang;Tomonori Kamiya;Yang Liu;Yang Liu;Motohiko Kadoki;Motohiko Kadoki

  • Imbalance of NKp44+NKp46− and NKp44−NKp46+ Natural Killer Cells in the Intestinal Mucosa of Patients With Crohn's Disease

    Tetsuro Takayama;Nobuhiko Kamada;Hiroshi Chinen;Susumu Okamoto

  • Divergent Routes toward Wnt and R-spondin Niche Independency during Human Gastric Carcinogenesis

    Kosaku Nanki;Kohta Toshimitsu;Ai Takano;Masayuki Fujii

  • Blockade of B7-H1 Suppresses the Development of Chronic Intestinal Inflammation

    Takanori Kanai;Teruji Totsuka;Koji Uraushihara;Shin Makita

  • Macrophage-derived IL-18-mediated intestinal inflammation in the murine model of Crohn's disease.

    Takanori Kanai;Mamoru Watanabe;Akira Okazawa;Toshiro Sato

  • A High-Cholesterol Diet Exacerbates Liver Fibrosis in Mice via Accumulation of Free Cholesterol in Hepatic Stellate Cells

    Toshiaki Teratani;Kengo Tomita;Kengo Tomita;Takahiro Suzuki;Tetsuya Oshikawa

  • Somatic inflammatory gene mutations in human ulcerative colitis epithelium.

    Kosaku Nanki;Masayuki Fujii;Masayuki Fujii;Mariko Shimokawa;Mami Matano

  • Adalimumab monotherapy and a combination with azathioprine for Crohn’s disease: A prospective, randomized trial

    Takayuki Matsumoto;Satoshi Motoya;Kenji Watanabe;Tadakazu Hisamatsu

Frequent Co-Authors

Toshifumi Hibi
Toshifumi Hibi Kitasato University
Mamoru Watanabe
Mamoru Watanabe Tokyo Medical and Dental University
Hidekazu Suzuki
Hidekazu Suzuki Tokai University
Toshiro Sato
Toshiro Sato Keio University
Hiromasa Ishii
Hiromasa Ishii Keio University
Nobuhiko Kamada
Nobuhiko Kamada University of Michigan–Ann Arbor
Yuko Kitagawa
Yuko Kitagawa Keio University
Hideo Yagita
Hideo Yagita Juntendo University
Masahira Hattori
Masahira Hattori Waseda University
Yuji Naito
Yuji Naito Kyoto Prefectural University of Medicine

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