World's Best Scientists 2026 revealed!
Tatsuji Nishihara

Tatsuji Nishihara

D-Index & Metrics

Biology and Biochemistry

D-Index
65
Citations
14950
World Ranking
9158
National Ranking
614

Tatsuji Nishihara publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Tatsuji Nishihara sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 295 publications — 77th percentile

77% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Tatsuji Nishihara D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Tatsuji Nishihara sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 65 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Tatsuji Nishihara is affiliated with Kyushu Dental University in Japan. The research primarily focuses on fields such as Dentistry, Medicine, and Biochemistry, Genetics and Molecular Biology, with significant contributions in related subfields including Periodontics, Molecular Biology, Public Health, Environmental and Occupational Health, Physiology, and Rheumatology.

The main topics of research encompass oral microbiology and periodontitis, HIV/AIDS oral health manifestations, dental health and care utilization, the impact of COVID-19 on dental research, osteoarthritis treatment and mechanisms, NF-κB signaling pathways, and obstructive sleep apnea research.

Recent notable publications by Nishihara include:

  • Co-cultured spheroids of human periodontal ligament mesenchymal stem cells and vascular endothelial cells enhance periodontal tissue regeneration, 2020, Regenerative Therapy
  • Interruption of regular dental visits during the COVID-19 pandemic due to concerns regarding dental visits was associated with periodontitis in Japanese office workers, 2021, Journal of Periodontal Research
  • Schizophyllum commune β-glucan: Effect on interleukin-10 expression induced by lipopolysaccharide from periodontopathic bacteria, 2020, Carbohydrate Polymers
  • Odontoblast differentiation is regulated by an interplay between primary cilia and the canonical Wnt pathway, 2021, Bone
  • Electrochemical Characterization of Current-Producing Human Oral Pathogens by Whole-Cell Electrochemistry, 2020, ChemElectroChem

Frequent co-authors collaborating with Nishihara include:

  • Wataru Ariyoshi
  • Michihiko Usui
  • Keisuke Nakashima
  • Masanori Iwasaki
  • Yoshie Nagai-Yoshioka

Nishihara's work has been published repeatedly in key scientific journals, such as:

  • Journal Of Clinical Periodontology
  • Scientific Reports
  • ChemElectroChem
  • PLoS ONE
  • International Journal of Molecular Sciences

The research contributions extend to understanding dental health behaviors during pandemics, molecular mechanisms underlying odontoblast differentiation, interactions between immune signaling pathways and bacterial compounds, as well as electrochemical properties of oral pathogens. These diverse topics reflect a multifaceted approach integrating cellular biology, clinical periodontology, and public health perspectives within dental science.

Best Publications

  • Origin of osteoclasts: mature monocytes and macrophages are capable of differentiating into osteoclasts under a suitable microenvironment prepared by bone marrow-derived stromal cells.

    N Udagawa;N Takahashi;T Akatsu;H Tanaka

  • Osteoclast Differentiation Factor Acts as a Multifunctional Regulator in Murine Osteoclast Differentiation and Function

    Eijiro Jimi;Shuichi Akiyama;Taro Tsurukai;Nobuo Okahashi

  • p38 MAPK-mediated signals are required for inducing osteoclast differentiation but not for osteoclast function

    Xiaotong Li;Nobuyuki Udagawa;Kanami Itoh;Koji Suda

  • Antimicrobial Effect of Ozonated Water on Bacteria Invading Dentinal Tubules

    Masato Nagayoshi;Chiaki Kitamura;Takaki Fukuizumi;Tatsuji Nishihara

  • Microbial etiology of periodontitis.

    Tatsuji Nishihara;Takeyoshi Koseki

  • Efficacy of ozone on survival and permeability of oral microorganisms.

    M. Nagayoshi;T. Fukuizumi;C. Kitamura;J. Yano

  • Platelet-rich plasma enhances human osteoblast-like cell proliferation and differentiation.

    Takahiro Kanno;Tetsu Takahashi;Toshiyuki Tsujisawa;Wataru Ariyoshi

  • Differential inhibition of Smad6 and Smad7 on bone morphogenetic protein- and activin-mediated growth arrest and apoptosis in B cells.

    Akira Ishisaki;Kenji Yamato;Shinichi Hashimoto;Shinichi Hashimoto;Atsuhito Nakao

  • Mechanical stress-mediated Runx2 activation is dependent on Ras/ERK1/2 MAPK signaling in osteoblasts.

    Takahiro Kanno;Tetsu Takahashi;Toshiyuki Tsujisawa;Wataru Ariyoshi

  • In vitro and in vivo growth suppression of human papillomavirus 16-positive cervical cancer cells by E6 siRNA.

    Mitsuo Yoshinouchi;Taketo Yamada;Masahiro Kizaki;Jin Fen

  • Lipopolysaccharide Promotes the Survival of Osteoclasts Via Toll-Like Receptor 4, but Cytokine Production of Osteoclasts in Response to Lipopolysaccharide Is Different from That of Macrophages

    Kanami Itoh;Nobuyuki Udagawa;Kanichiro Kobayashi;Koji Suda

  • Gingival crevicular interleukin-1 and interleukin-1 receptor antagonist levels in periodontally healthy and diseased sites.

    Y. Ishihara;T. Nishihara;T. Kuroyanagi;N. Shirozu

  • Biochemical and immunobiological properties of lipopolysaccharide (LPS) from Bacteroides gingivalis and comparison with LPS from Escherichia coli.

    T Koga;T Nishihara;T Fujiwara;T Nisizawa

  • Formation of dentinal bridge on surface of regenerated dental pulp in dentin defects by controlled release of fibroblast growth factor-2 from gelatin hydrogels.

    Hirotaka Ishimatsu;Chiaki Kitamura;Takahiko Morotomi;Yasuhiko Tabata

  • Local delivery system of cytotoxic agents to tumors by focused sonoporation.

    Kenjiro Iwanaga;K Tominaga;K Yamamoto;Manabu Habu

  • Microbicidal efficacy of ozonated water against Candida albicans adhering to acrylic denture plates.

    M. Arita;M. Nagayoshi;T. Fukuizumi;T. Okinaga

  • Smad7 Is an Activin-inducible Inhibitor of Activin-induced Growth Arrest and Apoptosis in Mouse B Cells

    Akira Ishisaki;Kenji Yamato;Kenji Yamato;Atsuhito Nakao;Koji Nonaka

  • Bone morphogenetic protein-2 induces apoptosis in human myeloma cells with modulation of STAT3

    Chiharu Kawamura;Masahiro Kizaki;Kenji Yamato;Hideo Uchida

  • The potent bone-resorbing mediator of Actinobacillus actinomycetemcomitans is homologous to the molecular chaperone GroEL.

    A C Kirby;S Meghji;S P Nair;P White

  • Role of TGF-β family in osteoclastogenesis induced by RANKL

    Takeyoshi Koseki;Ying Gao;Nobuo Okahashi;Yoshiyuki Murase

Frequent Co-Authors

Shigeyuki Hamada
Shigeyuki Hamada Osaka University
Yasuo Ikeda
Yasuo Ikeda Waseda University
Tatsuo Suda
Tatsuo Suda Saitama Medical University
Nobuyuki Udagawa
Nobuyuki Udagawa Matsumoto Dental University
Naoyuki Takahashi
Naoyuki Takahashi Matsumoto Dental University
Takao Shimizu
Takao Shimizu University of Tokyo
Yoshihisa Yamashita
Yoshihisa Yamashita Kyushu University
Akira Yamaguchi
Akira Yamaguchi Tokyo Dental College
Takashi Takata
Takashi Takata Hiroshima University
Hiromu Sugino
Hiromu Sugino University of Tokushima

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