World's Best Scientists 2026 revealed!

D-Index & Metrics

Neuroscience

D-Index
53
Citations
9829
World Ranking
5116
National Ranking
159

Masami Niwa publication distribution in Neuroscience in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Neuroscience in 2026. The highlighted bar marks where Masami Niwa sits on this spectrum.

38–47 publications: 18 scientists 48–57 publications: 79 scientists 58–67 publications: 193 scientists 68–77 publications: 323 scientists 78–87 publications: 406 scientists 88–97 publications: 452 scientists 98–107 publications: 539 scientists 108–117 publications: 505 scientists 118–127 publications: 522 scientists 128–137 publications: 469 scientists 138–147 publications: 456 scientists 148–157 publications: 459 scientists 158–167 publications: 397 scientists 168–177 publications: 383 scientists 178–187 publications: 350 scientists 188–197 publications: 302 scientists 198–207 publications: 306 scientists 208–217 publications: 262 scientists 218–227 publications: 242 scientists 228–237 publications: 220 scientists 238–247 publications: 203 scientists 248–257 publications: 174 scientists 258–267 publications: 176 scientists 268–277 publications: 175 scientists 278–287 publications: 125 scientists 288–297 publications: 116 scientists 298–307 publications: 127 scientists 308–317 publications: 128 scientists 318–327 publications: 99 scientists 328–337 publications: 89 scientists 338–347 publications: 78 scientists 348–357 publications: 96 scientists 358–367 publications: 66 scientists 368–377 publications: 59 scientists 378–387 publications: 65 scientists 388–397 publications: 54 scientists 398–407 publications: 48 scientists 408–417 publications: 49 scientists 418–427 publications: 34 scientists 428–437 publications: 31 scientists 438–447 publications: 30 scientists 448–457 publications: 31 scientists 458–467 publications: 36 scientists 468–477 publications: 40 scientists 478–487 publications: 35 scientists 488–497 publications: 30 scientists 498–507 publications: 23 scientists 508–517 publications: 26 scientists 518–527 publications: 20 scientists 528–537 publications: 23 scientists 538–547 publications: 20 scientists 548–557 publications: 20 scientists 558–567 publications: 17 scientists 568–577 publications: 14 scientists 578–587 publications: 20 scientists 588–597 publications: 20 scientists 598–607 publications: 19 scientists 608–617 publications: 18 scientists 618–627 publications: 17 scientists 628–637 publications: 11 scientists 638–647 publications: 11 scientists 648–657 publications: 11 scientists 658–667 publications: 8 scientists 668–677 publications: 7 scientists 678–687 publications: 11 scientists 688–697 publications: 10 scientists 698–707 publications: 4 scientists 708–717 publications: 6 scientists 718–727 publications: 5 scientists 728–737 publications: 5 scientists 738–747 publications: 9 scientists 748–757 publications: 9 scientists 758–767 publications: 3 scientists 768–777 publications: 7 scientists 778–787 publications: 7 scientists 788–797 publications: 6 scientists 798–807 publications: 2 scientists 808–817 publications: 2 scientists 818–827 publications: 7 scientists 828–837 publications: 0 scientists 838–847 publications: 9 scientists 848–857 publications: 3 scientists 858–867 publications: 1 scientists 868–877 publications: 3 scientists 878–886 publications: 6 scientists 887+ publications: 100 scientists
38 publications 887+

This scientist: 338 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 887 publications or more.

Masami Niwa D-index placement in Neuroscience in 2026

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

30–31 D-Index: 42 scientists 32–33 D-Index: 172 scientists 34–35 D-Index: 296 scientists 36–37 D-Index: 435 scientists 38–39 D-Index: 459 scientists 40–41 D-Index: 456 scientists 42–43 D-Index: 467 scientists 44–45 D-Index: 478 scientists 46–47 D-Index: 512 scientists 48–49 D-Index: 435 scientists 50–51 D-Index: 425 scientists 52–53 D-Index: 418 scientists 54–55 D-Index: 392 scientists 56–57 D-Index: 357 scientists 58–59 D-Index: 334 scientists 60–61 D-Index: 328 scientists 62–63 D-Index: 260 scientists 64–65 D-Index: 278 scientists 66–67 D-Index: 239 scientists 68–69 D-Index: 250 scientists 70–71 D-Index: 210 scientists 72–73 D-Index: 200 scientists 74–75 D-Index: 189 scientists 76–77 D-Index: 170 scientists 78–79 D-Index: 146 scientists 80–81 D-Index: 113 scientists 82–83 D-Index: 126 scientists 84–85 D-Index: 100 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 99 scientists 90–91 D-Index: 84 scientists 92–93 D-Index: 85 scientists 94–95 D-Index: 72 scientists 96–97 D-Index: 76 scientists 98–99 D-Index: 45 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 43 scientists 104–105 D-Index: 32 scientists 106–107 D-Index: 45 scientists 108–109 D-Index: 50 scientists 110–111 D-Index: 32 scientists 112–113 D-Index: 39 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 27 scientists 120–121 D-Index: 19 scientists 122–123 D-Index: 23 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 16 scientists 128–129 D-Index: 24 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 14 scientists 138–139 D-Index: 15 scientists 140–141 D-Index: 10 scientists 142–143 D-Index: 10 scientists 144–145 D-Index: 13 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 8 scientists 150–151 D-Index: 6 scientists 152–153 D-Index: 6 scientists 154–155 D-Index: 7 scientists 156–157 D-Index: 7 scientists 158–159 D-Index: 10 scientists 160–161 D-Index: 4 scientists 162 D-Index: 8 scientists 163+ D-Index: 100 scientists
30 D-Index 163+

This scientist: 53 D-Index — 48th percentile

48% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 163 D-Index or more.

Overview

Masami Niwa is affiliated with Nagasaki University in Japan and has contributed extensively to the fields of neuroscience and medicine, with a particular focus on neurology and cancer research. Their research encompasses a range of topics including barrier structure and function studies, neurological disease mechanisms and treatments, as well as drug transport and resistance mechanisms.

The scientist's recent published works include:

  • "Beyond Lipid-Lowering: Effects of Statins on Cardiovascular and Cerebrovascular Diseases and Cancer" (2022) in Pharmaceuticals
  • "Effects of fasudil on blood-brain barrier integrity" (2022) in Fluids and Barriers of the CNS
  • "Comparison of the rate of dedifferentiation with increasing passages among cell sources for an in vitro model of the blood-brain barrier" (2020) in Journal of Neural Transmission
  • "Characterization of a Primate Blood-Brain Barrier Co-Culture Model Prepared from Primary Brain Endothelial Cells, Pericytes and Astrocytes" (2021) in Pharmaceutics
  • "Pitavastatin Ameliorates Lipopolysaccharide-Induced Blood-Brain Barrier Dysfunction" (2021) in Biomedicines

Frequent co-authors collaborating with Masami Niwa include:

  • Shinsuke Nakagawa
  • Yoichi Morofuji
  • Takashi Fujimoto
  • Mária A. Deli
  • Takayuki Matsuo

Publication venues where Niwa's work frequently appears are:

  • Pharmaceutics
  • Cellular and Molecular Neurobiology
  • Pharmaceuticals
  • Fluids and Barriers of the CNS
  • Journal of Neural Transmission

Masami Niwa's research spans several main fields of study:

  • Neuroscience
  • Medicine

Within these areas, their work delves into subfields including:

  • Neurology
  • Cancer Research
  • Oncology
  • Surgery
  • Pulmonary and Respiratory Medicine

The main topics Niwa has explored are:

  • Barrier Structure and Function Studies
  • Neurological Disease Mechanisms and Treatments
  • Drug Transport and Resistance Mechanisms
  • Cancer, Lipids, and Metabolism
  • Lipoproteins and Cardiovascular Health
  • Ferroptosis and cancer prognosis
  • Ginger and Zingiberaceae research

Best Publications

  • A new blood–brain barrier model using primary rat brain endothelial cells, pericytes and astrocytes

    Shinsuke Nakagawa;Mária A. Deli;Hiroko Kawaguchi;Takeshi Shimizudani

  • Permeability Studies on In Vitro Blood–Brain Barrier Models: Physiology, Pathology, and Pharmacology

    Unknown

  • Pericytes from brain microvessels strengthen the barrier integrity in primary cultures of rat brain endothelial cells.

    Shinsuke Nakagawa;Mária A. Deli;Mária A. Deli;Shinobu Nakao;Masaru Honda

  • Brain pericytes contribute to the induction and up-regulation of blood–brain barrier functions through transforming growth factor-β production

    Shinya Dohgu;Fuyuko Takata;Atsushi Yamauchi;Shinsuke Nakagawa

  • Comparison of brain capillary endothelial cell-based and epithelial (MDCK-MDR1, Caco-2, and VB-Caco-2) cell-based surrogate blood-brain barrier penetration models

    Éva Hellinger;Szilvia Veszelka;Andrea E. Tóth;Fruzsina Walter

  • Effects of hypoxia on endothelial/pericytic co-culture model of the blood–brain barrier

    Unknown

  • Quantitative determination of angiotensin II binding sites in rat brain and pituitary gland by autoradiography.

    Anita Israel;Fernando M.A. Correa;Masami Niwa;Juan M. Saavedra

  • Microglia with an Endothelin ETB Receptor Aggregate in Rat Hippocampus CA1 Subfields Following Transient Forebrain Ischemia

    Kimihiro Yamashita;Masami Niwa;Yasufumi Kataoka;Kazuto Shigematsu

  • Pentosan polysulfate protects brain endothelial cells against bacterial lipopolysaccharide-induced damages

    Szilvia Veszelka;Mária Pásztói;Attila E. Farkas;István Krizbai

  • Adrenomedullin regulates blood-brain barrier functions in vitro.

    Béla Kis;Mária A. Deli;Hideyuki Kobayashi;Csongor S. Ábrahám

  • Adrenomedullin Improves the Blood–Brain Barrier Function Through the Expression of Claudin-5

    Masaru Honda;Shinsuke Nakagawa;Kentaro Hayashi;Naoki Kitagawa

  • Silver nanoparticles induce tight junction disruption and astrocyte neurotoxicity in a rat blood-brain barrier primary triple coculture model.

    Liming Xu;Mo Dan;Anliang Shao;Xiang Cheng

  • Time course of nitric oxide synthase activity in neuronal, glial, and endothelial cells of rat striatum following focal cerebral ischemia.

    Mihoko N. Nakashima;Kimihiro Yamashita;Yasufumi Kataoka;Yasuko S. Yamashita

  • Autotaxin and lysophosphatidic acid1 receptor-mediated demyelination of dorsal root fibers by sciatic nerve injury and intrathecal lysophosphatidylcholine

    Jun Nagai;Hitoshi Uchida;Yosuke Matsushita;Ryo yano

  • Involvement of the dorsal hippocampus in mediation of the antianxiety action of tandospirone, a 5-hydroxytryptamine1A agonistic anxiolytic

    Y. Kataoka;K. Shibata;A. Miyazaki;Y. Inoue

  • Effects of (-)-epigallocatechin-3-O-gallate (green tea tannin) on the life span of stroke-prone spontaneously hypertensive rats.

    S. Uchida;M. Ozaki;T. Akashi;K. Yamashita

  • Upregulation of the Genes Encoding Lysosomal Hydrolases, a Perforin-Like Protein, and Peroxidases in the Brains of Mice Affected with an Experimental Prion Disease

    Juraj Kopacek;Suehiro Sakaguchi;Kazuto Shigematsu;Noriyuki Nishida

  • DJ-1-binding compounds prevent oxidative stress-induced cell death and movement defect in Parkinson's disease model rats.

    Shin Miyazaki;Takashi Yanagida;Kana Nunome;Kana Nunome;Shizuma Ishikawa;Shizuma Ishikawa

  • Increased Production of Endothelins in the Hippocampus of Stroke-Prone Spontaneously Hypertensive Rats Following Transient Forebrain Ischemia: Histochemical Evidence

    Kimihiro Yamashita;Yasufumi Kataoka;Masami Niwa;Kazuto Shigematsu

  • Adenovirus-mediated tumor suppressor p53 gene therapy for anaplastic thyroid carcinoma in vitro and in vivo.

    Yuji Nagayama;Haruhiko Yokoi;Katsuo Takeda;Mamoru Hasegawa

  • Palmitoylation of Human Thyrotropin Receptor: Slower Intracellular Trafficking of the Palmitoylation-Defective Mutant

    Kunihiko Tanaka;Yuji Nagayama;Eijun Nishihara;Hiroyuki Namba

  • Involvement of G Protein-coupled Receptor Kinase 5 in Homologous Desensitization of the Thyrotropin Receptor

    Yuji Nagayama;Kunihiko Tanaka;Takeshi Hara;Hiroyuki Namba

Frequent Co-Authors

Mária A. Deli
Mária A. Deli Biological Research Centre
Shunichi Yamashita
Shunichi Yamashita Nagasaki University
Juan M. Saavedra
Juan M. Saavedra Georgetown University Medical Center
William A. Banks
William A. Banks University of Washington
Hiroo Imura
Hiroo Imura Kyoto University
Kazuwa Nakao
Kazuwa Nakao Kyoto University
Hisayuki Matsuo
Hisayuki Matsuo Osaka University
Schuichi Koizumi
Schuichi Koizumi University of Yamanashi
Shigenori Watanabe
Shigenori Watanabe Kyushu University
Michihiro Fujiwara
Michihiro Fujiwara Fukuoka University

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