World's Best Scientists 2026 revealed!
Kazuyoshi Tsutsui

Kazuyoshi Tsutsui

D-Index & Metrics

Medicine

D-Index
87
Citations
24585
World Ranking
13758
National Ranking
411

Kazuyoshi Tsutsui 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 Kazuyoshi Tsutsui 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: 439 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Kazuyoshi Tsutsui 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 Kazuyoshi Tsutsui 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: 87 D-Index — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Overview

Kazuyoshi Tsutsui was affiliated with Hiroshima University in Japan. Their research primarily focused on neuroendocrinology, reproductive medicine, and related physiological processes.

The main fields of study for Kazuyoshi Tsutsui included:

  • Medicine
  • Neuroscience
  • Biochemistry, Genetics and Molecular Biology

Within these broad areas, the key subfields of their work encompassed:

  • Reproductive Medicine
  • Cellular and Molecular Neuroscience
  • Molecular Biology
  • Endocrinology, Diabetes and Metabolism
  • Endocrine and Autonomic Systems

The main research topics Tsutsui addressed were related to:

  • Hypothalamic control of reproductive hormones
  • Ovarian function and disorders
  • Neuropeptides and Animal Physiology
  • Stress Responses and Cortisol
  • Regulation of Appetite and Obesity
  • Neuroendocrine regulation and behavior
  • Estrogen and related hormone effects

Tsutsui contributed extensively to scientific publications with notable works including:

  • "Regulation of stress response on the hypothalamic-pituitary-gonadal axis via gonadotropin-inhibitory hormone" (2021), published in Frontiers in Neuroendocrinology
  • "Gonadotropin-inhibitory hormone (GnIH): A new key neurohormone controlling reproductive physiology and behavior" (2021), published in Frontiers in Neuroendocrinology
  • "Discovery of gonadotropin-inhibitory hormone (GnIH), progress in GnIH research on reproductive physiology and behavior and perspective of GnIH research on neuroendocrine regulation of reproduction" (2020), published in Molecular and Cellular Endocrinology

The primary publication venues for this scientist were:

  • Frontiers in Neuroendocrinology
  • Frontiers in Endocrinology
  • Molecular and Cellular Endocrinology
  • FASEB BioAdvances
  • Molecular Biology Reports

Frequent collaborators with Tsutsui included:

  • Takayoshi Ubuka
  • Shogo Haraguchi
  • Kazuyoshi Ukena
  • Hironori Ando
  • Yoshio Takei

Overall, Kazuyoshi Tsutsui's work concentrated on the neuroendocrine mechanisms underlying reproduction, particularly focusing on gonadotropin-inhibitory hormone (GnIH) and its role in the regulation of reproductive physiology and behavior. Their research also integrated aspects of stress response and hormonal regulation related to the hypothalamic-pituitary axis.

Best Publications

  • A novel avian hypothalamic peptide inhibiting gonadotropin release.

    Kazuyoshi Tsutsui;Etsuko Saigoh;Kazuyoshi Ukena;Hitoshi Teranishi

  • Identification and characterization of a gonadotropin-inhibitory system in the brains of mammals

    Lance J. Kriegsfeld;Dan Feng Mei;George E. Bentley;Takayoshi Ubuka

  • Rat RFamide-related peptide-3 stimulates GH secretion, inhibits LH secretion, and has variable effects on sex behavior in the adult male rat

    Marlie A. Johnson;Kazuyoshi Tsutsui;Gregory S. Fraley

  • Salt-sensitive hypertension in circadian clock-deficient Cry-null mice involves dysregulated adrenal Hsd3b6.

    Masao Doi;Yukari Takahashi;Rie Komatsu;Fumiyoshi Yamazaki

  • Gonadotropin‐Inhibitory Peptide in Song Sparrows (Melospiza melodia) in Different Reproductive Conditions, and in House Sparrows (Passer domesticus) Relative to Chicken‐Gonadotropin‐Releasing Hormone

    G. E. Bentley;N. Perfito;K. Ukena;Kazuyoshi Tsutsui

  • Potent action of RFamide-related peptide-3 on pituitary gonadotropes indicative of a hypophysiotropic role in the negative regulation of gonadotropin secretion

    Iain James Clarke;Ika Puspita Sari;Yue Qi;Jeremy Troy Smith

  • Neurosteroid biosynthesis: enzymatic pathways and neuroendocrine regulation by neurotransmitters and neuropeptides.

    Jean Luc Do Rego;Jean Luc Do Rego;Jae Young Seong;Delphine Burel;Delphine Burel;Jerôme Leprince;Jerôme Leprince

  • Melatonin induces the expression of gonadotropin-inhibitory hormone in the avian brain

    Takayoshi Ubuka;George E. Bentley;Kazuyoshi Ukena;John C. Wingfield

  • Hypophysiotropic role of RFamide-related peptide-3 in the inhibition of LH secretion in female rats

    Masahiro Murakami;Toshiya Matsuzaki;Takeshi Iwasa;Toshiyuki Yasui

  • Gonadotropin-Inhibitory Hormone Inhibits Gonadal Development and Maintenance by Decreasing Gonadotropin Synthesis and Release in Male Quail

    Takayoshi Ubuka;Kazuyoshi Ukena;Peter J. Sharp;George E. Bentley

  • Gonadotropin-inhibitory hormone (GnIH) and its control of central and peripheral reproductive function

    Kazuyoshi Tsutsui;George E. Bentley;Gregoy Bedecarrats;Tomohiro Osugi

  • Gonadotropin-inhibitory hormone in Gambel's white-crowned sparrow (Zonotrichia leucophrys gambelii): cDNA identification, transcript localization and functional effects in laboratory and field experiments.

    T. Osugi;K. Ukena;G. E. Bentley;S. O'Brien

  • Gonadotropin-Inhibitory Hormone Neurons Interact Directly with Gonadotropin-Releasing Hormone-I and -II Neurons in European Starling Brain

    Takayoshi Ubuka;Stephanie Kim;Yu Chi Huang;Jessica Reid

  • Identification, Expression, and Physiological Functions of Siberian Hamster Gonadotropin-Inhibitory Hormone

    Takayoshi Ubuka;Kazuhiko Inoue;Yujiro Fukuda;Takanobu Mizuno

  • Identification of Human GnIH Homologs, RFRP-1 and RFRP-3, and the Cognate Receptor, GPR147 in the Human Hypothalamic Pituitary Axis

    Takayoshi Ubuka;Kevin Morgan;Adam J. Pawson;Tomohiro Osugi

  • Novel brain function: biosynthesis and actions of neurosteroids in neurons.

    Kazuyoshi Tsutsui;Kazuyoshi Ukena;Mariko Usui;Hirotaka Sakamoto

  • Molecular Evolution of Multiple Forms of Kisspeptins and GPR54 Receptors in Vertebrates

    Yeo Reum Lee;Kenta Tsunekawa;Mi Jin Moon;Haet Nim Um

  • A new key neurohormone controlling reproduction, gonadotropin-inhibitory hormone (GnIH): Biosynthesis, mode of action and functional significance

    Kazuyoshi Tsutsui

  • Contribution of Leydig and Sertoli cells to testosterone production in mouse fetal testes

    Yuichi Shima;Kanako Miyabayashi;Shogo Haraguchi;Tatsuhiko Arakawa

  • Gonadotropin-inhibitory hormone neurons interact directly with gonadotropin-releasing hormone-I and -II neurons in European starling brain (Endocrinology (2008) 149(268-278))

    Takayoshi Ubuka;Stephanie Kim;Yu Chi Huang;Jessica Reid

Frequent Co-Authors

Kazuyoshi Ukena
Kazuyoshi Ukena Hiroshima University
George E. Bentley
George E. Bentley University of California, Berkeley
Lance J. Kriegsfeld
Lance J. Kriegsfeld University of California, Berkeley
Hubert Vaudry
Hubert Vaudry University of Rouen
Vishwajit S. Chowdhury
Vishwajit S. Chowdhury Kyushu University
John C. Wingfield
John C. Wingfield University of California, Davis
Robert P. Millar
Robert P. Millar University of Pretoria
Jérôme Leprince
Jérôme Leprince University of Rouen
Georges Pelletier
Georges Pelletier Université Laval
Mohammad Javad Zamiri
Mohammad Javad Zamiri Shiraz University

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