World's Best Scientists 2026 revealed!

D-Index & Metrics

Immunology

D-Index
70
Citations
13878
World Ranking
2451
National Ranking
1171

Kohtaro Fujihashi 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 Kohtaro Fujihashi 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: 227 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Kohtaro Fujihashi 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 Kohtaro Fujihashi 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: 70 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Overview

Kohtaro Fujihashi is affiliated with the University of Alabama at Birmingham in the United States. Their research spans multiple fields including Medicine, Immunology and Microbiology, and Biochemistry, Genetics and Molecular Biology, reflecting an interdisciplinary approach to scientific inquiry.

Their work covers a range of subfields such as Immunology, Infectious Diseases, Biotechnology, Epidemiology, and Molecular Biology. This breadth is reflected in the topics addressed through their publications, notably in areas like Viral gastroenteritis research and epidemiology, Immune Response and Inflammation, Transgenic Plants and Applications, Escherichia coli research studies, Pneumonia and Respiratory Infections, Salivary Gland Disorders and Functions, and Immunotherapy and Immune Responses.

Fujihashi's publication record includes articles in journals with various focuses, with some frequent venues being Vaccine, Frontiers in Plant Science, Frontiers in Immunology, Cell Reports, and Expert Review of Vaccines. The number of publications in these venues underlines an emphasis on vaccine development, immunology, and applied microbiological research.

  • The gut microbiota induces Peyer's-patch-dependent secretion of maternal IgA into milk (2021, Cell Reports)
  • Oral MucoRice-CTB vaccine for safety and microbiota-dependent immunogenicity in humans: a phase 1 randomised trial (2021, The Lancet Microbe)
  • Mucosal vaccination: onward and upward (2023, Expert Review of Vaccines)
  • Nasal vaccines: solutions for respiratory infectious diseases (2022, Trends in Molecular Medicine)
  • Mucosal vaccines: wisdom from now and then (2021, International Immunology)

Their frequent co-authors include Yoshikazu Yuki, Hiroshi Kiyono, Rika Nakahashi-Ouchida, Shiho Kurokawa, and Tomoyuki Yamanoue, indicating active collaborations with researchers specializing in similar or complementary fields.

  • Yoshikazu Yuki
  • Hiroshi Kiyono
  • Rika Nakahashi-Ouchida
  • Shiho Kurokawa
  • Tomoyuki Yamanoue

This scientist's research contributions focus heavily on understanding immune responses related to mucosal vaccination and the interactions between microbiota and immune function. Their work includes clinical trials and experimental studies that explore innovative vaccine approaches targeting respiratory and gastrointestinal infections.

Best Publications

  • Mucosal adjuvant effect of cholera toxin in mice results from induction of T helper 2 (Th2) cells and IL-4.

    M Marinaro;H F Staats;T Hiroi;R J Jackson

  • A dominant, coordinated T regulatory cell-IgA response to the intestinal microbiota

    Yingzi Cong;Ting Feng;Kohtaro Fujihashi;Trenton R. Schoeb

  • A nontoxic mutant of cholera toxin elicits Th2-type responses for enhanced mucosal immunity

    Shingo Yamamoto;Hiroshi Kiyono;Masafumi Yamamoto;Koichi Imaoka

  • Mutants in the ADP-ribosyltransferase Cleft of Cholera Toxin Lack Diarrheagenicity but Retain Adjuvanticity

    Shingo Yamamoto;Yoshifumi Takeda;Masafumi Yamamoto;Hisao Kurazono

  • Optimizing oral vaccines: induction of systemic and mucosal B-cell and antibody responses to tetanus toxoid by use of cholera toxin as an adjuvant.

    R. J. Jackson;K. Fujihashi;Jiangchun Xu-Amano;H. Kiyono

  • Inside the Mucosal Immune System

    Jerry R. McGhee;Kohtaro Fujihashi

  • Hapten-induced colitis is associated with colonic patch hypertrophy and T helper cell 2-type responses.

    Taeko Dohi;Kohtaro Fujihashi;Paul D. Rennert;Koichi Iwatani

  • Inflammatory mediators of the terminal dentition in adult and early onset periodontitis

    G. E. Salvi;G. E. Salvi;C. E. Brown;K. Fujihashi;H. Kiyono

  • Immunoregulatory functions for murine intraepithelial lymphocytes: gamma/delta T cell receptor-positive (TCR+) T cells abrogate oral tolerance, while alpha/beta TCR+ T cells provide B cell help.

    K Fujihashi;T Taguchi;W K Aicher;J R McGhee

  • A dilemma for mucosal vaccination: efficacy versus toxicity using enterotoxin-based adjuvants.

    Kohtaro Fujihashi;Toshiya Koga;Frederik W. van Ginkel;Yukari Hagiwara

  • Indigenous opportunistic bacteria inhabit mammalian gut-associated lymphoid tissues and share a mucosal antibody-mediated symbiosis

    Takashi Obata;Yoshiyuki Goto;Jun Kunisawa;Shintaro Sato

  • gamma/delta T cell-deficient mice have impaired mucosal immunoglobulin A responses.

    Kohtaro Fujihashi;Jerry R. McGhee;Mi-Na Kweon;Max Cooper

  • Peyer's patches are required for oral tolerance to proteins

    Kohtaro Fujihashi;Taeko Dohi;Paul D. Rennert;Masafumi Yamamoto

  • Differences in intraepithelial lymphocyte T cell subsets isolated from murine small versus large intestine.

    K W Beagley;K Fujihashi;A S Lagoo;S Lagoo-Deenadaylan

  • Mechanisms for Mucosal Immunogenicity and Adjuvancy of Escherichia coli Labile Enterotoxin

    Ichiro Takahashi;Mariarosaria Marinaro;Hiroshi Kiyono;Raymond J. Jackson

  • Nasal Immunization of Nonhuman Primates with Simian Immunodeficiency Virus p55gag and Cholera Toxin Adjuvant Induces Th1/Th2 Help for Virus-Specific Immune Responses in Reproductive Tissues

    Koichi Imaoka;Christopher J. Miller;Mitsuru Kubota;Michael B. McChesney

  • Alternate Mucosal Immune System: Organized Peyer’s Patches Are Not Required for IgA Responses in the Gastrointestinal Tract

    Masafumi Yamamoto;Masafumi Yamamoto;Paul Rennert;Jerry R. McGhee;Mi-Na Kweon

  • Novel vaccine development strategies for inducing mucosal immunity

    Fujkuyama Y;Tokuhara D;Kataoka K;Gilbert Rs

  • Nasal immunization induces Haemophilus influenzae-specific Th1 and Th2 responses with mucosal IgA and systemic IgG antibodies for protective immunity.

    Yuichi Kurono;Yuichi Kurono;Masafumi Yamamoto;Masafumi Yamamoto;Kohtaro Fujihashi;Satoru Kodama

  • Human appendix B cells naturally express receptors for and respond to interleukin 6 with selective IgA1 and IgA2 synthesis.

    K Fujihashi;J R McGhee;C Lue;K W Beagley

Frequent Co-Authors

Hiroshi Kiyono
Hiroshi Kiyono University of Tokyo
Jerry R. McGhee
Jerry R. McGhee University of Alabama at Birmingham
Kenneth W. Beagley
Kenneth W. Beagley Queensland University of Technology
Shigetada Kawabata
Shigetada Kawabata Osaka University
Mi-Na Kweon
Mi-Na Kweon University of Ulsan
David E. Briles
David E. Briles University of Alabama at Birmingham
Herman F. Staats
Herman F. Staats Duke University
Yoshikazu Yuki
Yoshikazu Yuki University of Tokyo
Christopher J. Miller
Christopher J. Miller University of California, Davis
John H. Eldridge
John H. Eldridge University of Alabama at Birmingham

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Related Online Degrees & Career Pathways

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Additionally, for those starting their journey, lpn programs with easiest admission requirements provide an entry point into nursing support roles. These roles are essential in healthcare teams focused on immunology-related treatments and patient monitoring.

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