World's Best Scientists 2026 revealed!
Koichi Nakajima

Koichi Nakajima

D-Index & Metrics

Biology and Biochemistry

D-Index
50
Citations
14395
World Ranking
17446
National Ranking
1262

Koichi Nakajima 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 Koichi Nakajima 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: 104 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

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

Koichi Nakajima 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 Koichi Nakajima 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: 50 D-Index — 11th percentile

11% of scientists in this discipline score the same or lower.

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

Overview

Koichi Nakajima is affiliated with Osaka University in Japan and focuses on research intersecting biochemistry, genetics, molecular biology, and medicine. Their work spans several subfields including molecular biology, infectious diseases, surgery, and epidemiology.

The scientist's research portfolio includes studies on RNA research and splicing, RNA modifications and cancer, RNA and protein synthesis mechanisms, as well as tuberculosis research and epidemiology, specifically concerning infectious diseases and Mycobacterium diagnosis.

Recent publications by Koichi Nakajima include:

  • Sequestration of RBM10 in Nuclear Bodies: Targeting Sequences and Biological Significance, 2021, International Journal of Molecular Sciences
  • Developing a diagnostic method for latent tuberculosis infection using circulating miRNA, 2020, Translational Medicine Communications

Frequent co-authors collaborating with Koichi Nakajima are:

  • Ling-Yu Wang
  • Shengjun Xiao
  • Hiroyuki Kunimoto
  • Kazuaki Tokunaga
  • Hirotada Kojima

The main publication venues for their research include the International Journal of Molecular Sciences and Translational Medicine Communications.

Best Publications

  • Complementary DNA for a novel human interleukin (BSF-2) that induces B lymphocytes to produce immunoglobulin

    Toshio Hirano;Kiyoshi Yasukawa;Hisashi Harada;Tetsuya Taga

  • The essential role of B cell stimulatory factor 2 (BSF-2/IL-6) for the terminal differentiation of B cells.

    Atsushi Muraguchi;Toshio Hirano;Bo Tang;Tadashi Matsuda

  • Purification to homogeneity and characterization of human B-cell differentiation factor (BCDF or BSFp-2).

    Toshio Hirano;Tetsuya Taga;Naoko Nakano;Kiyosi Yasukawa

  • Two Signals Are Necessary for Cell Proliferation Induced by a Cytokine Receptor gp130: Involvement of STAT3 in Anti-Apoptosis

    Toshiyuki Fukada;Masahiko Hibi;Yojiro Yamanaka;Mariko Takahashi-Tezuka

  • Infection with HIV is associated with elevated IL-6 levels and production.

    E C Breen;A R Rezai;K Nakajima;G N Beall

  • A central role for Stat3 in IL‐6‐induced regulation of growth and differentiation in M1 leukemia cells.

    K. Nakajima;Y. Yamanaka;K. Nakae;H. Kojima

  • Extracellular signal‐dependent nuclear import of Stat1 is mediated by nuclear pore‐targeting complex formation with NPI‐1, but not Rch1

    Toshihiro Sekimoto;Naoko Imamoto;Koichi Nakajima;Toshio Hirano

  • STAT3 Is Required for the gp130-mediated Full Activation of the c-myc Gene

    Nobuo Kiuchi;Koichi Nakajima;Makoto Ichiba;Toshiyuki Fukada

  • Signaling mechanisms through gp130: a model of the cytokine system

    Toshio Hirano;Koichi Nakajima;Masahiko Hibi

  • Human B-cell differentiation factor defined by an anti-peptide antibody and its possible role in autoantibody production

    T. Hirano;T. Taga;K. Yasukawa;K. Nakajima

  • Gab1 Acts as an Adapter Molecule Linking the Cytokine Receptor gp130 to ERK Mitogen-Activated Protein Kinase

    Mariko Takahashi-Tezuka;Yuichi Yoshida;Toshiyuki Fukada;Takuya Ohtani

  • Induction of IL-6 (B cell stimulatory factor-2/IFN-beta 2) production by HIV.

    K Nakajima;O Martínez-Maza;T Hirano;E C Breen

  • IL-6 cytokine family and signal transduction: a model of the cytokine system

    M. Hibi;K. Nakajima;T. Hirano

  • STAT3 orchestrates contradictory signals in cytokine-induced G1 to S cell-cycle transition

    Toshiyuki Fukada;Takuya Ohtani;Yuichi Yoshida;Takahiro Shirogane

  • Differentiation and growth arrest signals are generated through the cytoplasmic region of gp130 that is essential for Stat3 activation.

    Y. Yamanaka;K. Nakajima;T. Fukada;M. Hibi

  • INVOLVEMENT OF STAT3 IN THE GRANULOCYTE COLONY-STIMULATING FACTOR-INDUCED DIFFERENTIATION OF MYELOID CELLS

    Koji Shimozaki;Koji Shimozaki;Koichi Nakajima;Toshio Hirano;Shigekazu Nagata;Shigekazu Nagata

  • Signal transduction through gp130 that is shared among the receptors for the interleukin 6 related cytokine subfamily

    Toshio Hirano;Tadashi Matsuda;Koichi Nakajima

  • Thrombopoietin-induced differentiation of a human megakaryoblastic leukemia cell line, CMK, involves transcriptional activation of p21(WAF1/Cip1) by STAT5.

    Itaru Matsumura;Jun Ishikawa;Koichi Nakajima;Kenji Oritani

  • An alternative pathway for STAT activation that is mediated by the direct interaction between JAK and STAT.

    Yoshio Fujitani;Masahiko Hibi;Toshiyuki Fukada;Mariko Takahashi-Tezuka

  • Roles for c-Myc in self-renewal of hematopoietic stem cells

    Yusuke Satoh;Itaru Matsumura;Hirokazu Tanaka;Sachiko Ezoe

Frequent Co-Authors

Toshio Hirano
Toshio Hirano National Institutes for Quantum and Radiological Science and Technology
Tadamitsu Kishimoto
Tadamitsu Kishimoto Osaka University
Toshiyuki Fukada
Toshiyuki Fukada Tokushima Bunri University
Masahiko Hibi
Masahiko Hibi Nagoya University
Tadashi Matsuda
Tadashi Matsuda Hokkaido University
Yuzuru Kanakura
Yuzuru Kanakura Osaka University
Yuji Matsuzawa
Yuji Matsuzawa Sumitomo Hospital
Kiyoshi Yasukawa
Kiyoshi Yasukawa Kyoto University
Takashi Kato
Takashi Kato Waseda University
Tetsuya Taga
Tetsuya Taga Kumamoto University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Biology and Biochemistry in the USA opens up access to a wide range of related career opportunities in healthcare, research, and fitness. Today, many degree programs and certifications can be completed online, giving students greater flexibility as they prepare for specialized roles.

For students interested in sports medicine, physical therapy, or fitness coaching, an online kinesiology degree offers a modern, science-based route into these fields. If you're focused on mental health nursing, enrolling in the shortest pmhnp certificate program can help you quickly qualify as a psychiatric-mental health nurse practitioner.

Aspiring nurse practitioners with a master's degree might consider a 12-month fnp program online to accelerate their qualifications. If nutrition and healthy living are your passion, earning a dietician degree online can lead to rewarding roles in hospitals, schools, or private practice.

Exploring these diverse pathways allows you to tailor your expertise and make a difference in health and science, all through the flexibility of online education.

Best Scientists Citing Koichi Nakajima

Trending Scientists

Recently Published Articles