World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
52
Citations
8941
World Ranking
16750
National Ranking
1199

Takeo Ohnishi 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 Takeo Ohnishi 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: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 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: 417 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: 196 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: 59 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: 431 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Takeo Ohnishi 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 Takeo Ohnishi sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 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: 71 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: 52 D-Index — 16th percentile

16% of scientists in this discipline score the same or lower.

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

Overview

Takeo Ohnishi was affiliated with Nara Medical University in Japan and contributed to the field of medicine, with a specific focus on oncology. Their research explored cancer-related molecular pathways, evident from their publication record and primary areas of study.

Ohnishi's scholarly output included work published in the venue UNC Libraries, where at least one research paper was documented. The notable paper titled Usefulness of Hexamethylenetetramine as an Adjuvant to Radiation and Cisplatin in the Treatment of Solid Tumors: its Independency of p53 Status appeared in 2021.

Their research topics centered on cancer-related molecular pathways, which align with the oncology subfield within medicine. Frequent coauthors who collaborated with Ohnishi included:

  • Shin Ichiro Masunaga
  • Keizo Tano
  • Jun Nakamura
  • Masami Watanabe
  • Genro Kashino

Throughout their career, Ohnishi focused on approaches to improve cancer treatment efficacy, with research investigating the effects of chemical agents combined with radiation and drug therapies on solid tumors.

Best Publications

  • DNA damage induced by alkylating agents and repair pathways.

    Natsuko Kondo;Akihisa Takahashi;Koji Ono;Takeo Ohnishi

  • Supranuclear Melanin Caps Reduce Ultraviolet Induced DNA Photoproducts in Human Epidermis

    Nobuhiko Kobayashi;Akemi Nakagawa;Tsutomu Muramatsu;Yukio Yamashina

  • Induction of radioresistance by a nitric oxide-mediated bystander effect.

    Hideki Matsumoto;Sachiko Hayashi;Masanori Hatashita;Ken Ohnishi

  • Does γH2AX foci formation depend on the presence of DNA double strand breaks

    Akihisa Takahashi;Takeo Ohnishi

  • Vanguards of Paradigm Shift in Radiation Biology: Radiation-Induced Adaptive and Bystander Responses

    Hideki Matsumoto;Nobuyuki Hamada;Nobuyuki Hamada;Akihisa Takahashi;Yasuhiko Kobayashi;Yasuhiko Kobayashi

  • Evidence for the Involvement of Double-Strand Breaks in Heat-Induced Cell Killing

    Akihisa Takahashi;Hideki Matsumoto;Kosuke Nagayama;Mutsuko Kitano

  • Recent Advances in the Biology of Heavy-Ion Cancer Therapy

    Nobuyuki Hamada;Tatsuhiko Imaoka;Shin-ichiro Masunaga;Toshiyuki Ogata

  • Light-Induced Anthocyanin Reduces the Extent of Damage to DNA in UV-Irradiated Centaurea cyanus Cells in Culture

    Akihisa Takahashi;Kosaku Takeda;Takeo Ohnishi

  • High-LET radiation enhanced apoptosis but not necrosis regardless of p53 status.

    Akihisa Takahashi;Hideki Matsumoto;Kazue Yuki;Jun-Ichi Yasumoto

  • DNA double-strand breaks: Their production, recognition, and repair in eukaryotes

    Takeo Ohnishi;Eiichiro Mori;Akihisa Takahashi

  • Hypertonic saline resuscitation reduces apoptosis and tissue damage of the small intestine in a mouse model of hemorrhagic shock.

    Yoshinori Murao;Michiaki Hata;Ken Ohnishi;Kazuo Okuchi

  • p53 proteins accumulated by heat stress associate with heat shock proteins HSP72/HSC73 in human glioblastoma cell lines

    Hideki Matsumoto;Mari Shimura;Tokunori Omatsu;Kumio Okaichi

  • Melanin reduces ultraviolet-induced DNA damage formation and killing rate in cultured human melanoma cells

    Nobuhiko Kobayashi;Tsutomu Muramatsu;Yukio Yamashina;Toshihiko Shirai

  • Induction of radioresistance to accelerated carbon-ion beams in recipient cells by nitric oxide excreted from irradiated donor cells of human glioblastoma.

    H. Matsumoto;S. Hayashi;M. Hatashita;H. Shioura

  • Poly(ADP-ribosyl)ation is required for p53-dependent signal transduction induced by radiation

    Xinjiang Wang;Ken Ohnishi;Akihisa Takahashi;Takeo Ohnishi

  • Bax and Bcl-2 expressions predict response to radiotherapy in human cervical cancer.

    Yoko Harima;Keizo Harima;Nobuaki Shikata;Atsutoshi Oka

  • The Disaster at Japan's Fukushima-Daiichi Nuclear Power Plant after the March 11, 2011 Earthquake and Tsunami, and the Resulting Spread of Radioisotope Contamination

    Takeo Ohnishi

  • Radiation-induced adaptive responses and bystander effects.

    Hideki Matsumoto;Akihisa Takahashi;Takeo Ohnishi

  • Human papilloma virus (HPV) DNA associated with prognosis of cervical cancer after radiotherapy

    Yoko Harima;Satoshi Sawada;Kenji Nagata;Mitsuharu Sougawa

  • Transfection of p53-knockout mouse fibroblasts with wild-type p53 increases the thermosensitivity and stimulates apoptosis induced by heat stress

    Hideki Matsumoto;Akihisa Takahashi;Xinjiang Wang;Ken Ohnishi

Frequent Co-Authors

Toshio Mori
Toshio Mori Nara Medical University
Thomas Helleday
Thomas Helleday Karolinska Institute
Larry H. Thompson
Larry H. Thompson Lawrence Livermore National Laboratory
Robert H. Schiestl
Robert H. Schiestl University of California, Los Angeles
Yoshimasa Tanaka
Yoshimasa Tanaka Nagasaki University
Takeshi Todo
Takeshi Todo Osaka University
Wolfgang G. Junger
Wolfgang G. Junger Beth Israel Deaconess Medical Center
Makoto Asashima
Makoto Asashima Teikyo University
Peter J. McKinnon
Peter J. McKinnon St. Jude Children's Research Hospital

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Best Scientists Citing Takeo Ohnishi