World's Best Scientists 2026 revealed!
Tadao Orii

Tadao Orii

D-Index & Metrics

Molecular Biology

D-Index
73
Citations
17294
World Ranking
1288
National Ranking
105

Tadao Orii publication distribution in Molecular Biology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Molecular Biology in 2026. The highlighted bar marks where Tadao Orii sits on this spectrum.

47–56 publications: 7 scientists 57–66 publications: 17 scientists 67–76 publications: 65 scientists 77–86 publications: 90 scientists 87–96 publications: 125 scientists 97–106 publications: 131 scientists 107–116 publications: 162 scientists 117–126 publications: 177 scientists 127–136 publications: 158 scientists 137–146 publications: 158 scientists 147–156 publications: 146 scientists 157–166 publications: 159 scientists 167–176 publications: 131 scientists 177–186 publications: 110 scientists 187–196 publications: 112 scientists 197–206 publications: 100 scientists 207–216 publications: 89 scientists 217–226 publications: 98 scientists 227–236 publications: 74 scientists 237–246 publications: 72 scientists 247–256 publications: 63 scientists 257–266 publications: 53 scientists 267–276 publications: 54 scientists 277–286 publications: 49 scientists 287–296 publications: 52 scientists 297–306 publications: 43 scientists 307–316 publications: 46 scientists 317–326 publications: 41 scientists 327–336 publications: 42 scientists 337–346 publications: 31 scientists 347–356 publications: 28 scientists 357–366 publications: 29 scientists 367–376 publications: 26 scientists 377–386 publications: 24 scientists 387–396 publications: 24 scientists 397–406 publications: 14 scientists 407–416 publications: 13 scientists 417–426 publications: 20 scientists 427–436 publications: 12 scientists 437–446 publications: 20 scientists 447–456 publications: 11 scientists 457–466 publications: 10 scientists 467–476 publications: 14 scientists 477–486 publications: 14 scientists 487–496 publications: 10 scientists 497–506 publications: 13 scientists 507–516 publications: 13 scientists 517–526 publications: 2 scientists 527–536 publications: 4 scientists 537–546 publications: 6 scientists 547–556 publications: 8 scientists 557–563 publications: 6 scientists 564+ publications: 100 scientists
47 publications 564+

This scientist: 379 publications — 89th percentile

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

The last bar groups every scientist with 564 publications or more.

Tadao Orii D-index placement in Molecular Biology in 2026

The chart shows the D-index (discipline H-index) distribution of Molecular Biology scientists ranked by Research.com in 2026. The highlighted bar marks where Tadao Orii sits on this spectrum.

40–41 D-Index: 36 scientists 42–43 D-Index: 101 scientists 44–45 D-Index: 115 scientists 46–47 D-Index: 121 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 130 scientists 52–53 D-Index: 106 scientists 54–55 D-Index: 116 scientists 56–57 D-Index: 113 scientists 58–59 D-Index: 129 scientists 60–61 D-Index: 120 scientists 62–63 D-Index: 105 scientists 64–65 D-Index: 131 scientists 66–67 D-Index: 95 scientists 68–69 D-Index: 97 scientists 70–71 D-Index: 106 scientists 72–73 D-Index: 83 scientists 74–75 D-Index: 89 scientists 76–77 D-Index: 77 scientists 78–79 D-Index: 70 scientists 80–81 D-Index: 73 scientists 82–83 D-Index: 60 scientists 84–85 D-Index: 48 scientists 86–87 D-Index: 45 scientists 88–89 D-Index: 50 scientists 90–91 D-Index: 31 scientists 92–93 D-Index: 51 scientists 94–95 D-Index: 43 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 39 scientists 100–101 D-Index: 41 scientists 102–103 D-Index: 29 scientists 104–105 D-Index: 33 scientists 106–107 D-Index: 35 scientists 108–109 D-Index: 20 scientists 110–111 D-Index: 38 scientists 112–113 D-Index: 19 scientists 114–115 D-Index: 28 scientists 116–117 D-Index: 13 scientists 118–119 D-Index: 23 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 15 scientists 124–125 D-Index: 11 scientists 126–127 D-Index: 21 scientists 128–129 D-Index: 7 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 14 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 9 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 16 scientists 142–143 D-Index: 7 scientists 144 D-Index: 7 scientists 145+ D-Index: 100 scientists
40 D-Index 145+

This scientist: 73 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 145 D-Index or more.

Overview

Tadao Orii is affiliated with Gifu University in Japan and has contributed extensively to research in biochemistry, genetics, and molecular biology, with an additional focus on medicine. Their work encompasses several subfields, including molecular biology, health, toxicology and mutagenesis, physiology, genetics, and pediatrics, perinatology, and child health.

The scientist's research covers a variety of topics. Key areas of focus include:

  • Epigenetics and DNA Methylation
  • Venomous Animal Envenomation and Studies
  • Lysosomal Storage Disorders Research
  • Per- and polyfluoroalkyl substances research
  • Birth, Development, and Health
  • Heavy Metal Exposure and Toxicity
  • Effects and risks of endocrine disrupting chemicals

Orii has published research in several notable scientific journals, demonstrating active engagement with multiple fields. Frequent publication venues include:

  • Toxicon
  • Environmental Pollution
  • Chemosphere
  • The Science of The Total Environment
  • Journal of Molecular Medicine

Among the recent papers associated with Orii's work are:

  • Lysosomal storage diseases: current therapies and future alternatives, 2020, Journal of Molecular Medicine
  • Role of Connexins 30, 36, and 43 in Brain Tumors, Neurodegenerative Diseases, and Neuroprotection, 2020, Cells
  • Pre-differentiation exposure to low-dose of atrazine results in persistent phenotypic changes in human neuronal cell lines, 2020, Environmental Pollution
  • Pre-differentiation GenX exposure induced neurotoxicity in human dopaminergic-like neurons, 2023, Chemosphere
  • Low dose lead exposure induces alterations on heterochromatin hallmarks persisting through SH-SY5Y cell differentiation, 2020, Chemosphere

Orii's frequent collaborators include:

  • Chongli Yuan
  • Junkai Xie
  • Jennifer L. Freeman
  • Han Zhao
  • Li Lin

Best Publications

  • Epidemiology of mucopolysaccharidoses

    Shaukat A. Khan;Hira Peracha;Diana Ballhausen;Alfred Wiesbauer

  • A human gene responsible for Zellweger syndrome that affects peroxisome assembly.

    Nobuyuki Shimozawa;Toshiro Tsukamoto;Yasuyuki Suzuki;Tadao Orii

  • Novel fatty acid beta-oxidation enzymes in rat liver mitochondria. II. Purification and properties of enoyl-coenzyme A (CoA) hydratase/3-hydroxyacyl-CoA dehydrogenase/3-ketoacyl-CoA thiolase trifunctional protein.

    Y Uchida;K Izai;T Orii;T Hashimoto

  • Inherited complete deficiency of 20-kilodalton homologous restriction factor (CD59) as a cause of paroxysmal nocturnal hemoglobinuria.

    M Yamashina;E Ueda;T Kinoshita;T Takami

  • International Morquio A Registry: Clinical manifestation and natural course of Morquio A disease

    A. M. Montaño;S. Tomatsu;G. S. Gottesman;M. Smith

  • Novel fatty acid beta-oxidation enzymes in rat liver mitochondria. I. Purification and properties of very-long-chain acyl-coenzyme A dehydrogenase.

    K Izai;Y Uchida;T Orii;S Yamamoto

  • Mucopolysaccharidosis type IVA (Morquio A disease): clinical review and current treatment

    S Tomatsu;A M Montaño;H Oikawa;M Smith

  • MOLECULAR CLONING OF CDNA ENCODING RAT VERY LONG-CHAIN ACYL-COA SYNTHETASE

    Atsushi Uchiyama;Toshifumi Aoyama;Keiju Kamijo;Yasushi Uchida

  • Enzymes of ketone body utilization in human tissues: protein and messenger RNA levels of succinyl-coenzyme A (CoA):3-ketoacid CoA transferase and mitochondrial and cytosolic acetoacetyl-CoA thiolases.

    Fukao T;Song Xq;Mitchell Ga;Yamaguchi S

  • Japan Elaprase Treatment (JET) study: idursulfase enzyme replacement therapy in adult patients with attenuated Hunter syndrome (Mucopolysaccharidosis II, MPS II).

    Torayuki Okuyama;Akemi Tanaka;Yasuyuki Suzuki;Hiroyuki Ida

  • Review of clinical presentation and diagnosis of mucopolysaccharidosis IVA

    C.J. Hendriksz;P. Harmatz;M. Beck;S. Jones

  • Mutation and polymorphism spectrum of the GALNS gene in mucopolysaccharidosis IVA (Morquio A).

    Shunji Tomatsu;Adriana M. Montaño;Tatsuo Nishioka;Monica A. Gutierrez

  • Morquio disease: isolation, characterization and expression of full-length cDNA for human N-acetylgalactosamine-6-sulfate sulfatase.

    Shunji Tomatsu;Seiji Fukuda;Michiya Masue;Kazuko Sukegawa

  • Newborn screening and diagnosis of mucopolysaccharidoses

    Shunji Tomatsu;Tadashi Fujii;Masaru Fukushi;Toshihiro Oguma

  • Growth charts for patients affected with Morquio A disease

    Adriana M. Montaño;Shunji Tomatsu;Ana Brusius;Mary Smith

  • Hematopoietic Stem Cell Transplantation for Mucopolysaccharidoses: Past, Present, and Future

    Madeleine Taylor;Madeleine Taylor;Shaukat Khan;Molly Stapleton;Molly Stapleton;Jianmin Wang

  • d-3-Hydroxyacyl-CoA Dehydratase/d-3-Hydroxyacyl-CoA Dehydrogenase Bifunctional Protein Deficiency: A Newly Identified Peroxisomal Disorder

    Yasuyuki Suzuki;Ling Ling Jiang;Masayoshi Souri;Shoko Miyazawa

  • Standardization of complementation grouping of peroxisome-deficient disorders and the second Zellweger patient with peroxisomal assembly factor-1 (PAF-1) defect.

    N. Shimozawa;Y. Suzuki;T. Orii;A. Moser

  • Treatment of MPS VII (Sly disease) by allogeneic BMT in a female with homozygous A619V mutation

    Y Yamada;K Kato;K Sukegawa;S Tomatsu;S Tomatsu

  • Peroxisome assembly factor-2, a putative ATPase cloned by functional complementation on a peroxisome-deficient mammalian cell mutant.

    Toshiro Tsukamoto;Satoshi Miura;Toshiki Nakai;Sadaki Yokota

Frequent Co-Authors

Shunji Tomatsu
Shunji Tomatsu Alfred I. duPont Hospital for Children
Naomi Kondo
Naomi Kondo Gifu University
Yasuyuki Suzuki
Yasuyuki Suzuki Gifu University
Seiji Yamaguchi
Seiji Yamaguchi Shimane University
Nobuyuki Shimozawa
Nobuyuki Shimozawa Gifu University
Toshiyuki Fukao
Toshiyuki Fukao Gifu University
Takashi Hashimoto
Takashi Hashimoto Shinshu University
Takashi Osumi
Takashi Osumi University of Hyogo
Yukio Fujiki
Yukio Fujiki Kyushu University
William S. Sly
William S. Sly Saint Louis 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

Molecular Biology graduates have a wide range of online degree and career options to consider, often beyond traditional laboratory roles. For those interested in healthcare communication, there are asha accredited online slp programs that allow you to pursue speech-language pathology careers while meeting industry standards. For students with non-SLP backgrounds, dedicated speech pathology bridge programs provide a pathway to enter this in-demand profession.

Those interested in nursing may explore accelerated bsn programs for non nurses, offering a fast track for career changers with science backgrounds. Graduates can also consider advanced practice roles, such as psychiatric nurse practitioners. For more information on opportunities and earning potential across regions, see dnp pmhnp salary insights by state.

Exploring online degree options not only broadens your career opportunities but also provides flexibility to study at your own pace, whether you’re transitioning fields or advancing your qualifications.

Best Scientists Citing Tadao Orii

Trending Scientists

Recently Published Articles