World's Best Scientists 2026 revealed!

D-Index & Metrics

Immunology

D-Index
78
Citations
33642
World Ranking
1717
National Ranking
63

Haruki Okamura publication distribution in Immunology in 2026

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

62–71 publications: 9 scientists 72–81 publications: 23 scientists 82–91 publications: 40 scientists 92–101 publications: 72 scientists 102–111 publications: 86 scientists 112–121 publications: 108 scientists 122–131 publications: 150 scientists 132–141 publications: 160 scientists 142–151 publications: 159 scientists 152–161 publications: 189 scientists 162–171 publications: 166 scientists 172–181 publications: 181 scientists 182–191 publications: 188 scientists 192–201 publications: 187 scientists 202–211 publications: 178 scientists 212–221 publications: 158 scientists 222–231 publications: 168 scientists 232–241 publications: 159 scientists 242–251 publications: 160 scientists 252–261 publications: 148 scientists 262–271 publications: 116 scientists 272–281 publications: 125 scientists 282–291 publications: 115 scientists 292–301 publications: 111 scientists 302–311 publications: 95 scientists 312–321 publications: 97 scientists 322–331 publications: 97 scientists 332–341 publications: 99 scientists 342–351 publications: 96 scientists 352–361 publications: 68 scientists 362–371 publications: 76 scientists 372–381 publications: 71 scientists 382–391 publications: 71 scientists 392–401 publications: 62 scientists 402–411 publications: 54 scientists 412–421 publications: 41 scientists 422–431 publications: 63 scientists 432–441 publications: 53 scientists 442–451 publications: 31 scientists 452–461 publications: 42 scientists 462–471 publications: 40 scientists 472–481 publications: 29 scientists 482–491 publications: 34 scientists 492–501 publications: 30 scientists 502–511 publications: 23 scientists 512–521 publications: 41 scientists 522–531 publications: 29 scientists 532–541 publications: 28 scientists 542–551 publications: 16 scientists 552–561 publications: 18 scientists 562–571 publications: 18 scientists 572–581 publications: 17 scientists 582–591 publications: 17 scientists 592–601 publications: 17 scientists 602–611 publications: 19 scientists 612–621 publications: 13 scientists 622–631 publications: 12 scientists 632–641 publications: 11 scientists 642–651 publications: 16 scientists 652–661 publications: 9 scientists 662–671 publications: 5 scientists 672–681 publications: 13 scientists 682–691 publications: 12 scientists 692–701 publications: 6 scientists 702–711 publications: 6 scientists 712–721 publications: 9 scientists 722–731 publications: 9 scientists 732–741 publications: 6 scientists 742–751 publications: 11 scientists 752–761 publications: 10 scientists 762–771 publications: 7 scientists 772–781 publications: 12 scientists 782–791 publications: 7 scientists 792–801 publications: 5 scientists 802–806 publications: 1 scientists 807+ publications: 100 scientists
62 publications 807+

This scientist: 285 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 807 publications or more.

Haruki Okamura D-index placement in Immunology in 2026

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

40–41 D-Index: 28 scientists 42–43 D-Index: 91 scientists 44–45 D-Index: 157 scientists 46–47 D-Index: 192 scientists 48–49 D-Index: 175 scientists 50–51 D-Index: 188 scientists 52–53 D-Index: 177 scientists 54–55 D-Index: 155 scientists 56–57 D-Index: 194 scientists 58–59 D-Index: 201 scientists 60–61 D-Index: 197 scientists 62–63 D-Index: 201 scientists 64–65 D-Index: 173 scientists 66–67 D-Index: 167 scientists 68–69 D-Index: 172 scientists 70–71 D-Index: 199 scientists 72–73 D-Index: 184 scientists 74–75 D-Index: 133 scientists 76–77 D-Index: 162 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 125 scientists 84–85 D-Index: 121 scientists 86–87 D-Index: 102 scientists 88–89 D-Index: 96 scientists 90–91 D-Index: 75 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 74 scientists 96–97 D-Index: 66 scientists 98–99 D-Index: 68 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 60 scientists 104–105 D-Index: 54 scientists 106–107 D-Index: 36 scientists 108–109 D-Index: 23 scientists 110–111 D-Index: 52 scientists 112–113 D-Index: 41 scientists 114–115 D-Index: 34 scientists 116–117 D-Index: 25 scientists 118–119 D-Index: 28 scientists 120–121 D-Index: 11 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 19 scientists 128–129 D-Index: 20 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 17 scientists 134–135 D-Index: 14 scientists 136–137 D-Index: 15 scientists 138–139 D-Index: 9 scientists 140–141 D-Index: 11 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 9 scientists 146–147 D-Index: 7 scientists 148–149 D-Index: 7 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 5 scientists 154–155 D-Index: 8 scientists 156 D-Index: 6 scientists 157+ D-Index: 96 scientists
40 D-Index 157+

This scientist: 78 D-Index — 65th percentile

65% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 157 D-Index or more.

Overview

Haruki Okamura is affiliated with Hyogo College of Medicine in Japan and has contributed extensively to research in the fields of Medicine and Immunology and Microbiology. Their work spans several subfields including Immunology, Molecular Biology, Pulmonary and Respiratory Medicine, Reproductive Medicine, and Public Health, Environmental and Occupational Health.

Their research primarily focuses on immune cell function and interaction, inflammasome and immune disorders, ovarian function and disorders, IL-33, ST2, and ILC pathways, stress responses and cortisol, tryptophan and brain disorders, and diabetes and associated disorders.

Frequent coauthors in Okamura's publications include:

  • Kyosuke Yamanishi
  • Yoshimasa Tanaka
  • Antoaneta Gateva
  • Zdravko Kamenov
  • Tsvetelina Velikova

Okamura's research has been published in several scientific venues, notably:

  • Cells
  • Archives of Endocrinology and Metabolism
  • Cancer Immunology Immunotherapy
  • Translational Psychiatry
  • International Journal of Molecular Sciences

Their recent papers include:

  • IL-12 regulates the expansion, phenotype, and function of murine NK cells activated by IL-15 and IL-18 (2020) published in Cancer Immunology Immunotherapy
  • Elevated levels of interleukin-18 are associated with several indices of general and visceral adiposity and insulin resistance in women with polycystic ovary syndrome (2022) published in Archives of Endocrinology and Metabolism
  • Acute stress induces severe neural inflammation and overactivation of glucocorticoid signaling in interleukin-18-deficient mice (2022) published in Translational Psychiatry
  • Molecular Mechanisms of IL18 in Disease (2023) published in International Journal of Molecular Sciences
  • Exploring Molecular Mechanisms Involved in the Development of the Depression-Like Phenotype in Interleukin-18-Deficient Mice (2021) published in BioMed Research International

Best Publications

  • Cloning of a new cytokine that induces IFN-gamma production by T cells.

    H Okamura;H Tsutsi;T Komatsu;M Yutsudo

  • Interleukin-18 regulates both Th1 and Th2 responses.

    Kenji Nakanishi;Tomohiro Yoshimoto;Hiroko Tsutsui;Haruki Okamura

  • Activation of Interferon-γ Inducing Factor Mediated by Interleukin-1β Converting Enzyme

    Yong Gu;Keisuke Kuida;Hiroko Tsutsui;George Ku

  • Defective NK Cell Activity and Th1 Response in IL-18–Deficient Mice

    Kiyoshi Takeda;Hiroko Tsutsui;Tomohiro Yoshimoto;Osamu Adachi

  • IL-12 up-regulates IL-18 receptor expression on T cells, Th1 cells, and B cells: synergism with IL-18 for IFN-gamma production.

    Tomohiro Yoshimoto;Kiyoshi Takeda;Takashi Tanaka;Kazunobu Ohkusu

  • Cloning of the cDNA for human IFN-gamma-inducing factor, expression in Escherichia coli, and studies on the biologic activities of the protein.

    S Ushio;M Namba;T Okura;K Hattori

  • Interleukin-18 is a unique cytokine that stimulates both Th1 and Th2 responses depending on its cytokine milieu.

    Kenji Nakanishi;Tomohiro Yoshimoto;Hiroko Tsutsui;Haruki Okamura

  • Regulation of interferon-gamma production by IL-12 and IL-18

    Haruki Okamura;Shin-ichiro Kashiwamura;Hiroko Tsutsui;Tomohiro Yoshimoto

  • INTERLEUKIN-18: A NOVEL CYTOKINE THAT AUGMENTS BOTH INNATE AND ACQUIRED IMMUNITY

    Haruki Okamura;Hiroko Tsutsui;Shin-Ichiro Kashiwamura;Tomohiro Yoshimoto

  • IL-18, although antiallergic when administered with IL-12, stimulates IL-4 and histamine release by basophils

    Tomohiro Yoshimoto;Hiroko Tsutsui;Kouji Tominaga;Katsuaki Hoshino

  • IFN-gamma-inducing factor up-regulates Fas ligand-mediated cytotoxic activity of murine natural killer cell clones.

    H Tsutsui;K Nakanishi;K Matsui;K Higashino

  • Interleukin-18 (interferon-gamma-inducing factor) is produced by osteoblasts and acts via granulocyte/macrophage colony-stimulating factor and not via interferon-gamma to inhibit osteoclast formation.

    N Udagawa;N J Horwood;J Elliott;A Mackay

  • Interleukin 18 together with interleukin 12 inhibits IgE production by induction of interferon-γ production from activated B cells

    Tomohiro Yoshimoto;Haruki Okamura;Yoh Ichi Tagawa;Yoichiro Iwakura

  • IL-18 induction of IgE: dependence on CD4+ T cells, IL-4 and STAT6.

    Tomohiro Yoshimoto;Hitoshi Mizutani;Hiroko Tsutsui;Nancy Noben-Trauth

  • A novel costimulatory factor for gamma interferon induction found in the livers of mice causes endotoxic shock.

    H Okamura;K Nagata;T Komatsu;T Tanimoto

  • Expression and function of TNF-related apoptosis-inducing ligand on murine activated NK cells.

    Nobuhiko Kayagaki;Noriko Yamaguchi;Masafumi Nakayama;Kazuyoshi Takeda

  • A mechanism underlying synergy between IL-12 and IFN-gamma-inducing factor in enhanced production of IFN-gamma.

    H J Ahn;S Maruo;M Tomura;J Mu

  • IL-12 synergizes with IL-18 or IL-1β for IFN-γ production from human T cells

    Kouji Tominaga;Tomohiro Yoshimoto;Kakuji Torigoe;Masashi Kurimoto

  • Endotoxin-induced serum factor that stimulates gamma interferon production.

    K Nakamura;H Okamura;M Wada;K Nagata

  • Neutrophil proteinase 3-mediated induction of bioactive IL-18 secretion by human oral epithelial cells.

    Shunji Sugawara;Akiko Uehara;Tomonori Nochi;Takahiro Yamaguchi

Frequent Co-Authors

Kenji Nakanishi
Kenji Nakanishi Hyogo College of Medicine
Hiroko Tsutsui
Hiroko Tsutsui Hyogo College of Medicine
Masashi Kurimoto
Masashi Kurimoto Okayama University
Yoshimasa Tanaka
Yoshimasa Tanaka Nagasaki University
Tomohiro Yoshimoto
Tomohiro Yoshimoto Hyogo College of Medicine
Shizuo Akira
Shizuo Akira Osaka University
Nagahiro Minato
Nagahiro Minato Kyoto University
Craig T. Morita
Craig T. Morita University of Iowa
Tomohiro Matsuyama
Tomohiro Matsuyama Hyogo College of Medicine
Shinji Takai
Shinji Takai Kitasato University

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