World's Best Scientists 2026 revealed!
Masamitsu Nakazato

Masamitsu Nakazato

D-Index & Metrics

Medicine

D-Index
96
Citations
59020
World Ranking
9469
National Ranking
256

Masamitsu Nakazato publication distribution in Medicine in 2026

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

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 538 publications — 64th percentile

64% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Masamitsu Nakazato D-index placement in Medicine in 2026

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

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 96 D-Index — 53rd percentile

53% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Masamitsu Nakazato is affiliated with the University of Miyazaki in Japan. Their research primarily spans the fields of Medicine and Biochemistry, Genetics and Molecular Biology, with a focus on Surgery, Endocrinology, Diabetes and Metabolism, Physiology, Endocrine and Autonomic Systems, and Molecular Biology.

Their recent publications cover topics related to metabolic regulation, neurobiology, and biochemical analysis. Notable papers include:

  • Functional interaction between Ghrelin and GLP-1 regulates feeding through the vagal afferent system, 2020, Scientific Reports
  • Spiral drawing: Quantitative analysis and artificial-intelligence-based diagnosis using a smartphone, 2020, Journal of the Neurological Sciences
  • Human liver-expressed antimicrobial peptide 2 elevation in the cerebrospinal fluid in bacterial meningitis, 2021, Brain and Behavior
  • Active Consumption of Konjac and Konjac Products Improves Blood Glucose Control in Patients with Type 2 Diabetes Mellitus, 2021, Journal of the American Nutrition Association
  • Liver-expressed antimicrobial peptide 2 functions independently of growth hormone secretagogue receptor in calorie-restricted mice, 2022, Peptides

Frequent co-authors collaborating with Nakazato include:

  • Hiroaki Ueno
  • Hideyuki Sakoda
  • Md Nurul Islam
  • Hironobu Tsubouchi
  • Weidong Zhang

Nakazato's work has been published extensively in venues such as:

  • Journal of Atherosclerosis and Thrombosis
  • Scientific Reports
  • Respiratory Medicine Case Reports
  • Endocrine Journal
  • Research Square

Their main research topics include:

  • Regulation of Appetite and Obesity
  • Diet and metabolism studies
  • Cholesterol and Lipid Metabolism
  • Biochemical Analysis and Sensing Techniques
  • Pancreatic function and diabetes
  • Lipoproteins and Cardiovascular Health
  • Cancer, Lipids, and Metabolism

Best Publications

  • Ghrelin is a growth-hormone-releasing acylated peptide from stomach.

    Masayasu Kojima;Hiroshi Hosoda;Yukari Date;Masamitsu Nakazato

  • A role for ghrelin in the central regulation of feeding.

    Masamitsu Nakazato;Noboru Murakami;Yukari Date;Masayasu Kojima

  • Narcolepsy in orexin knockout mice: Molecular genetics of sleep regulation

    Richard M. Chemelli;Jon T. Willie;Christopher M. Sinton;Joel K. Elmquist

  • Ghrelin, a novel growth hormone-releasing acylated peptide, is synthesized in a distinct endocrine cell type in the gastrointestinal tracts of rats and humans.

    Yukari Date;Masayasu Kojima;Hiroshi Hosoda;Akira Sawaguchi

  • Upregulation of Ghrelin expression in the stomach upon fasting, insulin-induced hypoglycemia, and leptin administration.

    Koji Toshinai;Muhtashan S. Mondal;Masamitsu Nakazato;Yukari Date

  • Plasma Ghrelin Levels in Lean and Obese Humans and the Effect of Glucose on Ghrelin Secretion

    Tomomi Shiiya;Masamitsu Nakazato;Masanari Mizuta;Yukari Date

  • The role of the gastric afferent vagal nerve in ghrelin-induced feeding and growth hormone secretion in rats.

    Yukari Date;Noboru Murakami;Koji Toshinai;Shigeru Matsukura

  • Orexins, orexigenic hypothalamic peptides, interact with autonomic, neuroendocrine and neuroregulatory systems

    Yukari Date;Yoichi Ueta;Hiroshi Yamashita;Hideki Yamaguchi

  • Ghrelin is present in pancreatic α-cells of humans and rats and stimulates insulin secretion

    Yukari Date;Masamitsu Nakazato;Suzuko Hashiguchi;Katsuya Dezaki

  • Elevated Circulating Level of Ghrelin in Cachexia Associated With Chronic Heart Failure Relationships Between Ghrelin and Anabolic/Catabolic Factors

    Noritoshi Nagaya;Masaaki Uematsu;Masayasu Kojima;Yukari Date

  • Ghrelin-induced food intake is mediated via the orexin pathway

    Koji Toshinai;Yukari Date;Noboru Murakami;Mitsushi Shimada

  • Ghrelin acts in the central nervous system to stimulate gastric acid secretion.

    Yukari Date;Masamitsu Nakazato;Noboru Murakami;Masayasu Kojima

  • Sympathetic and cardiovascular actions of orexins in conscious rats

    Tetsuro Shirasaka;Masamitsu Nakazato;Shigeru Matsukura;Mayumi Takasaki

  • The Role of the Vagal Nerve in Peripheral PYY3–36-Induced Feeding Reduction in Rats

    Shuichi Koda;Yukari Date;Noboru Murakami;Takuya Shimbara

  • Des-acyl ghrelin induces food intake by a mechanism independent of the growth hormone secretagogue receptor.

    Koji Toshinai;Hideki Yamaguchi;Yuxiang Sun;Roy G. Smith

  • Biochemical effect of liver transplantation in two Swedish patients with familial amyloidotic polyneuropathy (FAP‐met30)

    Gösta Holmgren;Lars Steen;Jan Ekstedt;Carl-Gustav Groth

  • Central effects of a novel acylated peptide, ghrelin, on growth hormone release in rats.

    Yukari Date;Noboru Murakami;Masayasu Kojima;Takatoshi Kuroiwa

  • Identification of amyloid prealbumin variant in familial amyloidotic polyneuropathy (Japanese type).

    Satoru Tawara;Masamitsu Nakazato;Kenji Kangawa;Hisayuki Matsuo

  • Centrally administered orexin/hypocretin activates HPA axis in rats.

    Makiko Kuru;Yoichi Ueta;Ryota Serino;Masamitsu Nakazato

  • Effect of lateral cerebroventricular injection of the appetite-stimulating neuropeptide, orexin and neuropeptide Y, on the various behavioral activities of rats.

    Takanori Ida;Keiko Nakahara;Tetsuro Katayama;Noboru Murakami

Frequent Co-Authors

Kenji Kangawa
Kenji Kangawa National Cerebral and Cardiovascular Center
Hisayuki Matsuo
Hisayuki Matsuo Osaka University
Hiroshi Mukae
Hiroshi Mukae Nagasaki University
Seiji Shioda
Seiji Shioda Shonan University of Medical Sciences
Masayasu Kojima
Masayasu Kojima Kurume University
Hideki Yamaguchi
Hideki Yamaguchi Sasaki Institute
Shigeru Kohno
Shigeru Kohno Nagasaki University
Yoichi Ueta
Yoichi Ueta University of Occupational and Environmental Health Japan
Gen Sobue
Gen Sobue Aichi Medical University
Hiroshi Hosoda
Hiroshi Hosoda Shinshu University

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