World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
92
Citations
31506
World Ranking
2210
National Ranking
131

Hiroshi Kasai 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 Hiroshi Kasai 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: 330 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

Hiroshi Kasai 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 Hiroshi Kasai 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: 92 D-Index — 89th percentile

89% of scientists in this discipline score the same or lower.

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

Overview

Hiroshi Kasai is affiliated with the University of Occupational and Environmental Health Japan in Japan. Their research primarily lies within the field of Medicine, with a focus on Nutrition and Dietetics, Molecular Biology, Biochemistry, Pathology and Forensic Medicine, and Food Science. The body of work spans topics related to DNA Repair Mechanisms, Alcohol Consumption and Health Effects, Biochemical Analysis and Sensing Techniques, Nutritional Studies and Diet, Nutrition, Health and Food Behavior, Antioxidant Activity and Oxidative Stress, and Cytomegalovirus and herpesvirus research.

The scientist has contributed to several publications, including:

  • Diurnal and day-to-day variation of urinary oxidative stress marker 8-hydroxy-2'-deoxyguanosine, 2020, Journal of Clinical Biochemistry and Nutrition
  • The Association between Oxidative Balance Score and Urinary Levels of 8-Hydroxydeoxyguanosine among Japanese Adults, 2023, Nutrients
  • Free radical-mediated acetaldehyde formation by model reactions of dietary components: effects of meat, wine, cooking oil and coffee, 2021, Genes and Environment
  • New Plausible Mechanism for Gastric and Colorectal Carcinogenesis: Free Radical-Mediated Acetaldehyde Generation in a Heme/Myoglobin-Linoleate-Ethanol Mixture, 2021, ACS Omega
  • Formation of the mutagenic DNA lesion 1,N2-ethenoguanine induced by heated cooking oil and identification of causative agents, 2023, Genes and Environment

The frequent co-authors collaborating with Hiroshi Kasai include:

  • Kazuaki Kawai
  • Yun-Shan Li
  • Yuya Kawasaki
  • Yuka Hasebe
  • Kenji Kashiwagi

Their research articles have been published repeatedly in several venues, notably:

  • Genes and Environment
  • Nutrients
  • Journal of Clinical Biochemistry and Nutrition
  • ACS Omega
  • Zenodo (CERN European Organization for Nuclear Research)

The work of Hiroshi Kasai demonstrates a multidisciplinary approach incorporating biochemical and molecular biological techniques. Central to their studies are mechanisms of oxidative stress and DNA damage, especially as they relate to environmental and dietary factors such as alcohol consumption, cooking oil, and meat. This includes investigating molecular pathways leading to carcinogenesis and identifying mutagenic lesions formed under specific conditions.

Key topics addressed in their research include the dynamics of urinary oxidative stress markers, the relationship between antioxidant balance and DNA damage in humans, and the biochemical formation of harmful compounds derived from food processing and consumption. This research contributes to the understanding of health risks associated with diet and environmental exposures, with implications for nutrition and preventive medicine.

Best Publications

  • Analysis of a form of oxidative DNA damage, 8-hydroxy-2′-deoxyguanosine, as a marker of cellular oxidative stress during carcinogenesis

    Hiroshi Kasai

  • Formation of 8-hydroxyguanine moiety in cellular DNA by agents producing oxygen radicals and evidence for its repair

    H. Kasai;P.F. Crain;Y. Kuchino;S. Nishimura

  • Hydroxylation of deoxyguanosine at the C-8 position by ascorbic acid and other reducing agents

    Hiroshi Kasai;Susumu Nishimura

  • Misreading of DNA templates containing 8-hydroxydeoxyguanosine at the modified base and at adjacent residues

    Y Kuchino;F Mori;H Kasai;H Inoue

  • 8-oxoguanine (8-hydroxyguanine) DNA glycosylase and its substrate specificity.

    J Tchou;H Kasai;S Shibutani;M H Chung

  • Benzo(a)pyrene diol epoxides as intermediates in nucleic acid binding in vitro and in vivo.

    IB Weinstein;AM Jeffrey;KW Jennette;SH Blobstein

  • Increased oxidative deoxyribonucleic acid damage in the spermatozoa of infertile male patients

    Hideya Kodama;Raizo Yamaguchi;Jun Fukuda;Hiroshi Kasai

  • Genetic polymorphisms and alternative splicing of the hOGG1 gene, that is involved in the repair of 8-hydroxyguanine in damaged DNA

    Takashi Kohno;Kazuya Shinmura;Kazuya Shinmura;Masahiko Tosaka;Masachika Tani

  • Oral administration of the renal carcinogen, potassium bromate, specifically produces 8-hydroxydeoxyguanosine in rat target organ DNA.

    Hiroshi Kasai;Susumu Nishimura;Yuji Kurokawa;Yuzo Hayashi

  • Increased Oxidative DNA Damage in Helicobacter pylori-infected Human Gastric Mucosa

    Seung-Chul Baik;Hee-Shang Youn;Myung-Hee Chung;Woo-Kon Lee

  • Photosensitized formation of 7,8-dihydro-8-oxo-2'-deoxyguanosine (8-hydroxy-2'-deoxyguanosine) in DNA by riboflavin: a nonsinglet oxygen-mediated reaction

    Hiroshi Kasai;Ziro Yamaizumi;Maurice Berger;Jean Cadet

  • Increased formation of oxidative DNA damage, 8-hydroxydeoxyguanosine, in human livers with chronic hepatitis.

    Ryuya Shimoda;Makoto Nagashima;Michiie Sakamoto;Naohito Yamaguchi

  • Cigarette smoking induces an increase in oxidative DNA damage, 8-hydroxydeoxyguanosine, in a central site of the human lung

    Shinya Asami;Hideo Manabe;Jun Miyake;Yosuke Tsurudome

  • Increase of a Type of Oxidative DNA Damage, 8-Hydroxyguanine, and Its Repair Activity in Human Leukocytes by Cigarette Smoking

    Shinya Asami;Takeshi Hirano;Raizo Yamaguchi;Yoshiaki Tomioka

  • BENZO(A)PYRENE-NUCLEIC ACID DERIVATIVE FOUND IN VIVO- STRUCTURE OF A BENZO(A)PYRENETETRAHYDRODIOL EPOXIDE-GUANOSINE ADDUCT

    A. M. Jeffrey;K. W. Jennette;S. H. Blobstein;I. B. Weinstein

  • Formation of 8-hydroxydeoxyguanosine in liver DNA of rats following long-term exposure to a peroxisome proliferator.

    H. Kasai;Y. Okada;S. Nishimura;M. S. Rao

  • Action of chlorogenic acid in vegetables and fruits as an inhibitor of 8-hydroxydeoxyguanosine formation in vitro and in a rat carcinogenesis model.

    H Kasai;S Fukada;Z Yamaizumi;S Sugie

  • Structure of the modified nucleoside Q isolated from Escherichia coli transfer ribonucleic acid. 7-(4,5-cis-Dihydroxy-1-cyclopenten-3-ylaminomethyl)-7-deazaguanosine.

    H Kasai;Z Oashi;F Harada;S Nishimura

  • The Oxidized Forms of dATP Are Substrates for the Human MutT Homologue, the hMTH1 Protein

    Katsuyoshi Fujikawa;Hiroyuki Kamiya;Hiroyuki Yakushiji;Yoshimitsu Fujii

  • Life style and urinary 8-hydroxydeoxyguanosine, a marker of oxidative dna damage: effects of exercise, working conditions, meat intake, body mass index, and smoking.

    Hiroshi Kasai;Naoko Iwamoto-Tanaka;Toshiaki Miyamoto;Kiyoshi Kawanami

Frequent Co-Authors

Susumu Nishimura
Susumu Nishimura University of Tsukuba
Hiroyuki Kamiya
Hiroyuki Kamiya Hiroshima University
Tetsuya Mizoue
Tetsuya Mizoue Kyushu University
Koji Nakanishi
Koji Nakanishi Columbia University
Tatsuo Miyazawa
Tatsuo Miyazawa University of Tokyo
Minako Nagao
Minako Nagao National Cancer Research Institute, UK
Keiji Wakabayashi
Keiji Wakabayashi University of Shizuoka
Hideyoshi Harashima
Hideyoshi Harashima Hokkaido University
Yoshiyuki Kuchino
Yoshiyuki Kuchino National Cancer Research Institute, UK

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