World's Best Scientists 2026 revealed!
Iichiro Shimomura

Iichiro Shimomura

D-Index & Metrics

Medicine

D-Index
128
Citations
96951
World Ranking
2641
National Ranking
47

Iichiro Shimomura 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 Iichiro Shimomura 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: 611 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: 785 publications — 86th percentile

86% of scientists in this discipline score the same or lower.

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

Iichiro Shimomura 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 Iichiro Shimomura 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: 400 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: 128 D-Index — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Overview

Iichiro Shimomura is affiliated with Osaka University in Japan and has an extensive publication record in the fields of medicine and biochemistry, genetics, and molecular biology. Their primary research areas focus on endocrinology, diabetes, and metabolism, with significant contributions to molecular biology, surgery, cardiology and cardiovascular medicine, and physiology.

The scientist's work covers a broad range of topics, particularly in diabetes treatment and management, diabetes management and research, pancreatic function in diabetes, the intersection of metabolism, diabetes, and cancer, as well as adipose tissue and metabolism. Further areas of interest include adipokines, inflammation, and metabolic diseases, along with various diabetes-associated disorders.

Frequent coauthors collaborating with Shimomura include:

  • Naoto Katakami
  • Hitoshi Nishizawa
  • Hirotaka Watada
  • Junji Kozawa
  • Yuya Fujishima

Shimomura's publications have appeared repeatedly in notable scientific journals, such as:

  • Journal of Diabetes Investigation
  • Diabetology International
  • Endocrine Journal
  • Diabetes
  • Scientific Reports

Some of Shimomura's recent research papers include:

  • "Semaglutide 2·4 mg once a week in adults with overweight or obesity, and type 2 diabetes (STEP 2): a randomised, double-blind, double-dummy, placebo-controlled, phase 3 trial," 2021, The Lancet
  • "Renal function is associated with blood neurofilament light chain level in older adults," 2020, Scientific Reports
  • "Adiponectin Stimulates Exosome Release to Enhance Mesenchymal Stem-Cell-Driven Therapy of Heart Failure in Mice," 2020, Molecular Therapy
  • "Definition, criteria, and core concepts of guidelines for the management of obesity disease in Japan," 2023, Endocrine Journal
  • "Impact of hyperuricemia on chronic kidney disease and atherosclerotic cardiovascular disease," 2022, Hypertension Research

Best Publications

  • Paradoxical decrease of an adipose-specific protein, adiponectin, in obesity.

    Yukio Arita;Shinji Kihara;Noriyuki Ouchi;Masahiko Takahashi

  • Increased oxidative stress in obesity and its impact on metabolic syndrome

    Shigetada Furukawa;Takuya Fujita;Michio Shimabukuro;Masanori Iwaki

  • cDNA cloning and expression of a novel adipose specific collagen-like factor, apM1 (AdiPose Most abundant Gene transcript 1).

    Kazuhisa Maeda;Kousaku Okubo;Iichiro Shimomura;Tohru Funahashi

  • Diet-induced insulin resistance in mice lacking adiponectin/ACRP30.

    Norikazu Maeda;Iichiro Shimomura;Ken Kishida;Hitoshi Nishizawa

  • Visfatin: a protein secreted by visceral fat that mimics the effects of insulin.

    Atsunori Fukuhara;Morihiro Matsuda;Masako Nishizawa;Katsumori Segawa

  • PPARγ Ligands Increase Expression and Plasma Concentrations of Adiponectin, an Adipose-Derived Protein

    Norikazu Maeda;Masahiko Takahashi;Tohru Funahashi;Shinji Kihara

  • Association of Hypoadiponectinemia With Coronary Artery Disease in Men

    Masahiro Kumada;Shinji Kihara;Satoru Sumitsuji;Toshiharu Kawamoto

  • Suppression of Aging in Mice by the Hormone Klotho

    Hiroshi Kurosu;Masaya Yamamoto;Jeremy D. Clark;Johanne V. Pastor

  • Regulation of mouse sterol regulatory element-binding protein-1c gene (SREBP-1c) by oxysterol receptors, LXRα and LXRβ

    Joyce J. Repa;Guosheng Liang;Jiafu Ou;Yuriy Bashmakov

  • Adipose Tissue Hypoxia in Obesity and Its Impact on Adipocytokine Dysregulation

    Naomi Hosogai;Atsunori Fukuhara;Kazuya Oshima;Yugo Miyata

  • Adiponectin and Metabolic Syndrome

    Yuji Matsuzawa;Tohru Funahashi;Shinji Kihara;Iichiro Shimomura

  • Adiponectin Reduces Atherosclerosis in Apolipoprotein E-Deficient Mice

    Yoshihisa Okamoto;Shinji Kihara;Noriyuki Ouchi;Makoto Nishida

  • Adiponectin Stimulates Production of Nitric Oxide in Vascular Endothelial Cells

    Hui Chen;Monica Montagnani;Tohru Funahashi;Iichiro Shimomura

  • Enhanced expression of PAI-1 in visceral fat: possible contributor to vascular disease in obesity

    I Shimomura;T Funahashi;M Takahashi;K Maeda

  • Role of Adiponectin in Preventing Vascular Stenosis THE MISSING LINK OF ADIPO-VASCULAR AXIS

    Morihiro Matsuda;Iichiro Shimomura;Masataka Sata;Yukio Arita

  • Androgens Decrease Plasma Adiponectin, an Insulin-Sensitizing Adipocyte-Derived Protein

    Hitoshi Nishizawa;Iichiro Shimomura;Ken Kishida;Norikazu Maeda

  • Insulin resistance and diabetes mellitus in transgenic mice expressing nuclear SREBP-1c in adipose tissue: model for congenital generalized lipodystrophy

    Iichiro Shimomura;Robert E. Hammer;James A. Richardson;Shinji Ikemoto

  • Induction of Adiponectin, a Fat-Derived Antidiabetic and Antiatherogenic Factor, by Nuclear Receptors

    Masanori Iwaki;Morihiro Matsuda;Norikazu Maeda;Tohru Funahashi

  • Adipocyte-Derived Plasma Protein Adiponectin Acts as a Platelet-Derived Growth Factor-BB–Binding Protein and Regulates Growth Factor–Induced Common Postreceptor Signal in Vascular Smooth Muscle Cell

    Yukio Arita;Shinji Kihara;Noriyuki Ouchi;Kazuhisa Maeda

  • Visfatin : A protein secreted by visceral fat that mimics the effects of insulin

    Atsunori Fukuhara;Morihiro Matsuda;Masako Nishizawa;Katsumori Segawa

Frequent Co-Authors

Tohru Funahashi
Tohru Funahashi Osaka University
Shinji Kihara
Shinji Kihara Osaka University
Yuji Matsuzawa
Yuji Matsuzawa Sumitomo Hospital
Shizuya Yamashita
Shizuya Yamashita Osaka University
Hirotaka Watada
Hirotaka Watada Juntendo University
Niklas Hammar
Niklas Hammar Karolinska Institute
Yoshimitsu Yamasaki
Yoshimitsu Yamasaki Osaka University
Kamlesh Khunti
Kamlesh Khunti University of Leicester
Masatsugu Hori
Masatsugu Hori Osaka University
Noriyuki Ouchi
Noriyuki Ouchi Nagoya University

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