World's Best Scientists 2026 revealed!
Takanori Kanai

Takanori Kanai

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 90 12176 11454 358 338 816 30836

Takanori Kanai publications per year

The chart shows the history of publications by Takanori Kanai between 1972 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takanori Kanai published across 55 years, from 1972 to 2026, averaging 18.5 papers a year. Output peaked at 77 publications in 2017. 49 of the 1,017 publications appeared in the last two years.

No. of publications
25 50 75
Bar chart. Horizontal axis: year, 1972 to 2026. Vertical axis: number of publications, 0 to 77. Peak 77 publications in 2017. 1972: 1 publication 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 1 publication 1990: 1 publication 1991: 1 publication 1992: 1 publication 1993: 4 publications 1994: 0 publications 1995: 1 publication 1996: 2 publications 1997: 2 publications 1998: 5 publications 1999: 4 publications 2000: 15 publications 2001: 7 publications 2002: 8 publications 2003: 24 publications 2004: 12 publications 2005: 11 publications 2006: 11 publications 2007: 10 publications 2008: 20 publications 2009: 22 publications 2010: 18 publications 2011: 25 publications 2012: 41 publications 2013: 37 publications 2014: 40 publications 2015: 49 publications 2016: 57 publications 2017: 77 publications 2018: 68 publications 2019: 70 publications 2020: 57 publications 2021: 69 publications 2022: 63 publications 2023: 60 publications 2024: 74 publications 2025: 48 publications 2026: 1 publication
1972 2026

1,017 publications in total across all disciplines

View publications per year as a table
Takanori Kanai: publications per year, 1972 to 2026
Year Publications
1972 1
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 1
1990 1
1991 1
1992 1
1993 4
1994 0
1995 1
1996 2
1997 2
1998 5
1999 4
2000 15
2001 7
2002 8
2003 24
2004 12
2005 11
2006 11
2007 10
2008 20
2009 22
2010 18
2011 25
2012 41
2013 37
2014 40
2015 49
2016 57
2017 77
2018 68
2019 70
2020 57
2021 69
2022 63
2023 60
2024 74
2025 48
2026 1
Total 1,017
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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.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 801–820 publications, is where this scientist sits. 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
101–120 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.

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204 816
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
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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.

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 90–91 D-Index, is where this scientist sits. 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
70–71 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.

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003
86–87 960
88–89 970
90–91 922 90
92–93 839
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
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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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