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Susumu Imaoka

D-Index & Metrics

Biology and Biochemistry

D-Index
60
Citations
10188
World Ranking
12177
National Ranking
835

Susumu Imaoka 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 Susumu Imaoka 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: 277 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

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

Susumu Imaoka 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 Susumu Imaoka 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: 60 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Overview

Susumu Imaoka is affiliated with Kwansei Gakuin University in Japan. The research activity of this scientist spans several intersecting areas within biochemistry, genetics, molecular biology, and medicine. Their work focuses notably on molecular biology, cancer research, epidemiology, biochemistry, and aging.

Their scientific contributions engage multiple thematic topics, including:

  • Genomics, phytochemicals, and oxidative stress
  • Cancer, hypoxia, and metabolism
  • Genetics, aging, and longevity in model organisms
  • Endoplasmic reticulum stress and disease
  • Eicosanoids and hypertension pharmacology
  • Adipose tissue and metabolism
  • Autophagy in disease and therapy

Imaoka's publication record includes papers published in venues such as The Journal of Toxicological Sciences, Free Radical Research, Current Drug Metabolism, The Journals of Gerontology Series A, and Scientific Reports. Frequent publication forums reflect a focus on toxicology, oxidative biology, drug metabolism, and gerontology.

Recent papers authored or co-authored by Imaoka include the following:

  • Feedback of hypoxia-inducible factor-1alpha (HIF-1alpha) transcriptional activity via redox factor-1 (Ref-1) induction by reactive oxygen species (ROS), 2021, Free Radical Research
  • Chlorogenic Acid Activates Nrf2/SKN-1 and Prolongs the Lifespan of Caenorhabditis elegans via the Akt-FOXO3/DAF16a-DDB1 Pathway and Activation of DAF16f, 2022, The Journals of Gerontology Series A
  • Bisphenol A and rotenone induce S-nitrosylation of protein disulfide isomerase (PDI) and inhibit neurite outgrowth of primary cultured cells of the rat hippocampus and PC12 cells, 2020, The Journal of Toxicological Sciences
  • Contribution of DHA diols (19,20-DHDP) produced by cytochrome P450s and soluble epoxide hydrolase to the beneficial effects of DHA supplementation in the brains of rotenone-induced rat models of Parkinson's disease, 2020, Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids
  • Sp1 is a substrate of Keap1 and regulates the activity of CRL4AWDR23 ubiquitin ligase toward Nrf2, 2021, Journal of Biological Chemistry

Their frequent collaborators include Ami Oguro, Ferbian Milas Siswanto, Yukino Kobayashi, Rika Sakuma, and Akiyoshi Tamura, reflecting ongoing collaborative engagement with peers in related biomedical fields.

Best Publications

  • Dopamine Formation from Tyramine by CYP2D6

    Toyoko Hiroi;Susumu Imaoka;Yoshihiko Funae

  • Multiple forms of human P450 expressed in Saccharomyces cerevisiae. Systematic characterization and comparison with those of the rat.

    Susumu Imaoka;Takao Yamada;Toyoko Hiroi;Koji Hayashi

  • Changes in amounts of cytochrome P450 isozymes and levels of catalytic activities in hepatic and renal microsomes of rats with streptozocin-induced diabetes

    N Shimojo;T Ishizaki;S Imaoka;Y Funae

  • Simultaneous purification of multiple forms of rat liver microsomal cytochrome P-450 by high-performance liquid chromatography

    Yoshihiko Funae;Susumu Imaoka

  • Involvement of CYP2J2 and CYP4F12 in the metabolism of ebastine in human intestinal microsomes.

    Takanori Hashizume;Susumu Imaoka;Masashi Mise;Yoshiaki Terauchi

  • A COMPARISON OF HEPATIC CYTOCHROME P450 PROTEIN EXPRESSION BETWEEN INFANCY AND POSTINFANCY

    Tomonori Tateishi;Hironori Nakura;Masako Asoh;Minoru Watanabe

  • Lidocaine metabolism by human cytochrome P-450s purified from hepatic microsomes: comparison of those with rat hepatic cytochrome P-450s.

    S Imaoka;K Enomoto;Y Oda;A Asada

  • Role of phospholipids in reconstituted cytochrome P 450 3A form and mechanism of their activation of catalytic activity

    Susumu Imaoka;Yoshio Imai;Tsutomu Shimada;Yoshihiko Funae

  • Changes in the amount of cytochrome P450s in rat hepatic microsomes with starvation

    Susumu Imaoka;Yoshitake Terano;Yoshihiko Funae

  • Apigenin suppresses the expression of VEGF, an important factor for angiogenesis, in endothelial cells via degradation of HIF-1α protein

    Mayuko Osada;Susumu Imaoka;Yoshihiko Funae

  • Purification and characterization of liver microsomal cytochrome P-450 from untreated male rats.

    Yoshihiko Funae;Susumu Imaoka

  • Clofibrate-inducible rat hepatic P450s IVA1 and IVA3 catalyze the omega- and (omega-1)-hydroxylation of fatty acids and the omega-hydroxylation of prostaglandins E1 and F2 alpha.

    T Aoyama;J P Hardwick;S Imaoka;Y Funae

  • Age-dependent expression of cytochrome P-450s in rat liver.

    Susumu Imaoka;Shoichi Fujita;Yoshihiko Funae

  • Sterol 14-Demethylase P450 (P45014DM*) Is One of the Most Ancient and Conserved P450 Species

    Yuri Aoyama;Mitsuhide Noshiro;Osamu Gotoh;Susumu Imaoka

  • Formation of 8-hydroxydeoxyguanosine and cell-cycle arrest in the rat liver via generation of oxidative stress by phenobarbital: association with expression profiles of p21WAF1/Cip1, cyclin D1 and Ogg1

    Anna Kinoshita;Hideki Wanibuchi;Susumu Imaoka;Motome Ogawa

  • Involvement of human liver cytochrome P4502B6in the metabolism of propofol

    Yutaka Oda;Naoya Hamaoka;Toyoko Hiroi;Susumu Imaoka

  • Hepatic cytochrome P450 is directly inactivated by nitric oxide, not by inflammatory cytokines, in the early phase of endotoxemia.

    Shigekazu Takemura;Yukiko Minamiyama;Susumu Imaoka;Yoshihiko Funae

  • Presence of a threshold for promoting effects of phenobarbital on diethylnitrosamine-induced hepatic foci in the rat.

    Mitsuaki Kitano;Toshio Ichihara;Tsutomu Matsuda;Hideki Wanibuchi

  • Progesterone oxidation by cytochrome P450 2D isoforms in the brain.

    Toyoko Hiroi;Wataru Kishimoto;Wataru Kishimoto;Toshio Chow;Susumu Imaoka

  • Participation of rat liver cytochrome P450 2E1 in the activation of N-nitrosodimethylamine and N-nitrosodiethylamine to products genotoxic in an acetyltransferase-overexpressing Salmonella typhimurium strain (NM2009).

    H Yamazaki;Y Oda;Y Funae;S Imaoka

Frequent Co-Authors

Yoshihiko Funae
Yoshihiko Funae Osaka Metropolitan University
Tetsuya Kamataki
Tetsuya Kamataki Hokkaido University
Tsutomu Shimada
Tsutomu Shimada Osaka Metropolitan University
Toshiyuki Mori
Toshiyuki Mori National Institute for Materials Science
Hiroshi Yamazaki
Hiroshi Yamazaki Showa Pharmaceutical University
Arthur K. Cho
Arthur K. Cho University of California, Los Angeles
Yasushi Yamazoe
Yasushi Yamazoe Tohoku University
Shinya Toyokuni
Shinya Toyokuni Nagoya University
Yoshito Kumagai
Yoshito Kumagai University of Tsukuba
Kenji Inaba
Kenji Inaba University of Southern California

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