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Ryozo Kuwano

Ryozo Kuwano

Niigata University
Japan

D-Index & Metrics

Biology and Biochemistry

D-Index
57
Citations
10086
World Ranking
13982
National Ranking
985

Ryozo Kuwano 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 Ryozo Kuwano 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: 242 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Ryozo Kuwano 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 Ryozo Kuwano 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: 57 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

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

Overview

Ryozo Kuwano is affiliated with Niigata University in Japan. Their research spans multiple disciplines within medicine and biochemistry, genetics, and molecular biology, with a significant focus on neurodegenerative conditions, cognitive impairment, and intellectual disabilities.

The scientist's work frequently appears in several publication venues, including:

  • Scientific Reports
  • Alzheimer s Research & Therapy
  • Human Molecular Genetics
  • International Journal of Geriatric Psychiatry
  • BMJ Neurology Open

Key recent papers by Ryozo Kuwano include:

  • Disruption of a RAC1-centred network is associated with Alzheimer's disease pathology and causes age-dependent neurodegeneration, 2020, Human Molecular Genetics
  • Prevalence of dementia in people with intellectual disabilities: Cross-sectional study, 2020, International Journal of Geriatric Psychiatry
  • Different AT(N) profiles and clinical progression classified by two different N markers using total tau and neurofilament light chain in cerebrospinal fluid, 2022, BMJ Neurology Open
  • Validation of the Japanese version of the Dementia Screening Questionnaire for Individuals with Intellectual Disabilities, 2020, Journal of Intellectual Disability Research
  • Sensitivity to gene dosage and gene expression affects genes with copy number variants observed among neuropsychiatric diseases, 2020, BMC Medical Genomics

Ryozo Kuwano's research covers several main topics, such as:

  • Dementia and Cognitive Impairment Research
  • Frailty in Older Adults
  • Down syndrome and intellectual disability research
  • Alzheimer's disease research and treatments
  • Chronic Disease Management Strategies
  • Bioinformatics and Genomic Networks
  • Epigenetics and DNA Methylation

Main fields of study where Kuwano has contributed include:

  • Medicine
  • Biochemistry, Genetics and Molecular Biology

Subfields frequently addressed in their work are:

  • Molecular Biology
  • Psychiatry and Mental health
  • Geriatrics and Gerontology
  • Public Health, Environmental and Occupational Health
  • Physiology

Collaborations play a notable role in Kuwano's work, with frequent co-authors including:

  • Norikazu Hara
  • Akinori Miyashita
  • Takeshi Ikeuchi
  • Shintaro Takenoshita
  • Seishi Terada

Best Publications

  • A new amyloid β variant favoring oligomerization in Alzheimer's-type dementia

    Takami Tomiyama;Tetsu Nagata;Hiroyuki Shimada;Rie Teraoka

  • Association of HTRA1 mutations and familial ischemic cerebral small-vessel disease

    Shoji Tsuji;Osamu Onodera

  • Molecular cloning of cDNA coding for brain-specific 14-3-3 protein, a protein kinase-dependent activator of tyrosine and tryptophan hydroxylases

    Tohru Ichimura;Toshiaki Isobe;Tsuneo Okuyama;Nobuhiro Takahashi

  • Mutations in COQ2 in familial and sporadic multiple-system atrophy the multiple-system atrophy research collaboration

    Jun Mitsui;Takashi Matsukawa;Hiroyuki Ishiura;Yoko Fukuda;Yoko Fukuda

  • CSF biomarker variability in the Alzheimer's Association quality control program

    Niklas Mattsson;Niklas Mattsson;Ulf Andreasson;Staffan Persson;Maria C. Carrillo

  • The coxsackievirus-adenovirus receptor protein as a cell adhesion molecule in the developing mouse brain

    Takao Honda;Hiroshi Saitoh;Masayoshi Masuko;Takako Katagiri-Abe

  • Expression of Coxsackievirus and Adenovirus Receptor in Hearts of Rats With Experimental Autoimmune Myocarditis

    Masahiro Ito;Makoto Kodama;Masayoshi Masuko;Masayuki Yamaura

  • Genetic association study on in and around the APOE in late-onset Alzheimer disease in Japanese.

    Norihiro Takei;Akinori Miyashita;Tamao Tsukie;Hiroyuki Arai

  • SORL1 is genetically associated with late-onset Alzheimer's disease in Japanese, Koreans and Caucasians

    Akinori Miyashita;Asako Koike;Gyungah Jun;Li-San Wang

  • Transethnic genome-wide scan identifies novel Alzheimer's disease loci

    Gyungah R. Jun;Gyungah R. Jun;Jaeyoon Chung;Jesse Mez;Robert Barber

  • Molecular cloning and the complete nucleotide sequence of cDNA to mRNA for S-100 protein of rat brain

    Ryozo Kuwano;Hiroshi Usui;Toshinaga Maeda;Toshikazu Fukui

  • AlzPathway: a comprehensive map of signaling pathways of Alzheimer’s disease

    Satoshi Mizuno;Risa Iijima;Soichi Ogishima;Masataka Kikuchi

  • Distinct forms of the protein kinase-dependent activator of tyrosine and tryptophan hydroxylases

    Toshiaki Isobe;Tohru Ichimura;Toshiyuki Sunaya;Tsuneo Okuyama

  • S100A6 and S100A11 are specific targets of the calcium- and zinc-binding S100B protein in vivo.

    Jean Christophe Deloulme;Nicole Assard;Gaëlh Ouengue Mbele;Carole Mangin

  • Serum microRNA miR-501-3p as a potential biomarker related to the progression of Alzheimer’s disease

    Norikazu Hara;Masataka Kikuchi;Akinori Miyashita;Hiroyuki Hatsuta

  • A wide spectrum of clinical and brain MRI findings in patients with SLC19A3 mutations

    Kenichiro Yamada;Kiyokuni Miura;Kenju Hara;Motomasa Suzuki

  • A mutant PSEN1 causes dementia with Lewy bodies and variant Alzheimer's disease.

    Atsushi Ishikawa;Yue-Shan Piao;Akinori Miyashita;Ryozo Kuwano

  • Expression of vascular endothelial growth factor in capillary hemangioblastoma

    K. Morii;R. Tanaka;K. Washiyama;T. Kumanishi

  • Distinct molecular mechanisms of HTRA1 mutants in manifesting heterozygotes with CARASIL

    Hiroaki Nozaki;Taisuke Kato;Megumi Nihonmatsu;Yohei Saito

  • Meta-analysis of genome-wide association scans for genetic susceptibility to endometriosis in Japanese population.

    Sosuke Adachi;Atsushi Tajima;Jinhua Quan;Kazufumi Haino

Frequent Co-Authors

Yasuo Takahashi
Yasuo Takahashi Niigata University
Takeshi Ikeuchi
Takeshi Ikeuchi Niigata University
Yasuo Ihara
Yasuo Ihara Doshisha University
Takeshi Iwatsubo
Takeshi Iwatsubo University of Tokyo
Osamu Onodera
Osamu Onodera Niigata University
Akiyoshi Kakita
Akiyoshi Kakita Niigata University
Kenji Ishii
Kenji Ishii Nippon Medical School
Hiroyuki Arai
Hiroyuki Arai University of Tokyo
Hitoshi Takahashi
Hitoshi Takahashi Niigata University
Shoji Tsuji
Shoji Tsuji University of Tokyo

External Links

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Best Scientists Citing Ryozo Kuwano

Henrik Zetterberg

Henrik Zetterberg

University of Gothenburg

Publications: 105

Kaj Blennow

Kaj Blennow

University of Gothenburg

Publications: 88

Shoji Tsuji

Shoji Tsuji

University of Tokyo

Publications: 48

Takeshi Ikeuchi

Takeshi Ikeuchi

Niigata University

Publications: 33

Niklas Mattsson

Niklas Mattsson

Lund University

Publications: 29

Osamu Onodera

Osamu Onodera

Niigata University

Publications: 28

Alberto Lleó

Alberto Lleó

Hospital de la Santa Creu i Sant Pau

Publications: 25

Harald Hampel

Harald Hampel

Eisai (United States)

Publications: 25

Oskar Hansson

Oskar Hansson

Lund University

Publications: 24

Alison Goate

Alison Goate

Icahn School of Medicine at Mount Sinai

Publications: 24

Lan Tan

Lan Tan

Qingdao University

Publications: 23

Lindsay A. Farrer

Lindsay A. Farrer

Boston University

Publications: 23

Caroline Graff

Caroline Graff

Karolinska University Hospital

Publications: 23

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Yasuo Takahashi

Niigata University

Publications: 23

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Rita Guerreiro

Van Andel Institute

Publications: 22

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Lars Bertram

University of Lübeck

Publications: 22

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