World's Best Scientists 2026 revealed!
Kazuo Nagai

Kazuo Nagai

D-Index & Metrics

Biology and Biochemistry

D-Index
65
Citations
11850
World Ranking
9377
National Ranking
634

Kazuo Nagai 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 Kazuo Nagai 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: 283 publications — 75th percentile

75% of scientists in this discipline score the same or lower.

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

Kazuo Nagai 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 Kazuo Nagai 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

Kazuo Nagai is affiliated with Chubu University in Japan and focuses their research primarily within the field of Medicine. Their scholarly contributions concentrate on Surgery, Orthopedics and Sports Medicine, Biomedical Engineering, Rheumatology, and Epidemiology.

Their work addresses a range of topics including:

  • Knee injuries and reconstruction techniques
  • Total Knee Arthroplasty Outcomes
  • Sports injuries and prevention
  • Orthopedic Surgery and Rehabilitation
  • Shoulder Injury and Treatment
  • Tendon Structure and Treatment
  • Lower Extremity Biomechanics and Pathologies

Significant recent publications by Nagai and collaborators include:

  • Differences in preoperative planning for high-tibial osteotomy between the standing and supine positions, 2021, Knee Surgery and Related Research
  • Unrepaired lateral meniscus tears lead to remaining pivot-shift in ACL-reconstructed knees, 2020, Knee Surgery Sports Traumatology Arthroscopy
  • Epidemiology of Anterior Cruciate Ligament Reconstruction Surgery in Italy: A 15-Year Nationwide Registry Study, 2021, Journal of Clinical Medicine
  • Fear of reinjury following primary anterior cruciate ligament reconstruction: a systematic review, 2022, Knee Surgery Sports Traumatology Arthroscopy
  • Radial Meniscal Tears Are Best Repaired by a Modified "Cross" Tie-Grip Suture Based on a Biomechanical Comparison of 4 Repair Techniques in a Porcine Model, 2020, Orthopaedic Journal of Sports Medicine

Nagai frequently publishes in venues such as:

  • Knee Surgery Sports Traumatology Arthroscopy
  • Asia-Pacific Journal of Sports Medicine Arthroscopy Rehabilitation and Technology
  • Research Square (Research Square)
  • Orthopaedic Journal of Sports Medicine
  • The American Journal of Sports Medicine

Their research collaborations include frequent co-authors:

  • Yuichi Hoshino
  • Takehiko Matsushita
  • Ryosuke Kuroda
  • Noriyuki Kanzaki
  • Kyohei Nishida

Best Publications

  • Synthesis and sequence-specific proteolysis of hybrid proteins produced in Escherichia coli.

    Kiyoshi Nagai;Hans Christian Thøgersen

  • Concanamycin A, a powerful tool for characterization and estimation of contribution of perforin- and Fas-based lytic pathways in cell-mediated cytotoxicity.

    T Kataoka;N Shinohara;H Takayama;K Takaku

  • Synthesis and Antibacterial Activity of a Novel Series of Potent DNA Gyrase Inhibitors. Pyrazole Derivatives

    Akihiko Tanitame;Yoshihiro Oyamada;Keiko Ofuji;Mika Fujimoto

  • Generation of hydrogen peroxide primarily contributes to the induction of Fe(II)-dependent apoptosis in Jurkat cells by (−)-epigallocatechin gallate

    Hiroshi Nakagawa;Keiji Hasumi;Je-Tae Woo;Kazuo Nagai

  • Novel S-Benzylisothiourea Compound That Induces Spherical Cells in Escherichia coli Probably by Acting on a Rod-shape-determining Protein(s) Other Than Penicillin-binding Protein 2

    Noritaka Iwai;Kazuo Nagai;Masaaki Wachi

  • Prodigiosins as a New Group of H+/Cl−Symporters That Uncouple Proton Translocators

    Tomohiko Sato;Hiroki Konno;Yasufumi Tanaka;Takao Kataoka

  • Suppression of Osteoprotegerin Expression by Prostaglandin E2 Is Crucially Involved in Lipopolysaccharide-Induced Osteoclast Formation

    Koji Suda;Nobuyuki Udagawa;Nobuaki Sato;Masamichi Takami

  • Fenton Reaction Is Primarily Involved in a Mechanism of (−)-Epigallocatechin-3-gallate to Induce Osteoclastic Cell Death ☆

    Hiroshi Nakagawa;Masaaki Wachi;Je-Tae Woo;Masanori Kato

  • Nobiletin improves hyperglycemia and insulin resistance in obese diabetic ob/ob mice

    Young-Sil Lee;Byung-Yoon Cha;Kiyoto Saito;Hiroshi Yamakawa

  • Synthesis and antibacterial activity of novel and potent DNA gyrase inhibitors with azole ring.

    Akihiko Tanitame;Yoshihiro Oyamada;Keiko Ofuji;Mika Fujimoto

  • Nobiletin improves obesity and insulin resistance in high-fat diet-induced obese mice.

    Young-Sil Lee;Byung-Yoon Cha;Sun-Sil Choi;Bong-Keun Choi

  • Safflower polysaccharides activate the transcription factor NF-κB via Toll-like receptor 4 and induce cytokine production by macrophages

    Izuru Ando;Yoshinori Tsukumo;Tetsuya Wakabayashi;Sachiko Akashi

  • Acidification is essential for maintaining the structure and function of lytic granules of CTL. Effect of concanamycin A, an inhibitor of vacuolar type H(+)-ATPase, on CTL-mediated cytotoxicity.

    T Kataoka;K Takaku;J Magae;N Shinohara

  • Escherichia coli cafA gene encodes a novel RNase, designated as RNase G, involved in processing of the 5' end of 16S rRNA.

    Masaaki Wachi;Genryou Umitsuki;Miwa Shimizu;Ayako Takada

  • Guaianolides as immunomodulators. Synthesis and biological activities of dehydrocostus lactone, mokko lactone, eremanthin, and their derivatives.

    Saori Yuuya;Hisahiro Hagiwara;Toshio Suzuki;Masayoshi Ando

  • An antibiotic, ascofuranone, specifically inhibits respiration and in vitro growth of long slender bloodstream forms of Trypanosoma brucei brucei.

    Nobuko Minagawa;Yoshisada Yabu;Kiyoshi Kita;Kazuo Nagai

  • Quercetin suppresses bone resorption by inhibiting the differentiation and activation of osteoclasts.

    Je-Tae Woo;Hiroshi Nakagawa;Michitaka Notoya;Takayuki Yonezawa

  • Lipopolysaccharide supports survival and fusion of preosteoclasts independent of TNF-, IL-1 and RANKL

    Koji Suda;Je-Tae Woo;Masamichi Takami;Patrick M. Sexton

  • Effects of high hydrostatic pressure on bacterial cytoskeleton FtsZ polymers in vivo and in vitro.

    Akihiro Ishii;Akihiro Ishii;Takako Sato;Masaaki Wachi;Kazuo Nagai

  • Magnolol enhances adipocyte differentiation and glucose uptake in 3T3-L1 cells.

    Sun-Sil Choi;Byung-Yoon Cha;Young-Sil Lee;Takayuki Yonezawa

Frequent Co-Authors

Masaaki Wachi
Masaaki Wachi Tokyo Institute of Technology
Kiyoshi Kita
Kiyoshi Kita Nagasaki University
Nobuo Ohta
Nobuo Ohta Tokyo Medical and Dental University
Gakuzo Tamura
Gakuzo Tamura University of Tokyo
Nobuyuki Udagawa
Nobuyuki Udagawa Matsumoto Dental University
Naoyuki Takahashi
Naoyuki Takahashi Matsumoto Dental University
Harry H. Wasserman
Harry H. Wasserman Yale University
Kenji Suzuki
Kenji Suzuki Juntendo University
Motoyuki Sugai
Motoyuki Sugai National Institute of Infectious Diseases

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