World's Best Scientists 2026 revealed!
John J. Kopchick

John J. Kopchick

D-Index & Metrics

Medicine

D-Index
96
Citations
32411
World Ranking
9707
National Ranking
4995

John J. Kopchick 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 John J. Kopchick 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: 617 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

John J. Kopchick 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 John J. Kopchick 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.

Research.com Recognitions

  • 2012 - Fellow, National Academy of Inventors

Overview

John J. Kopchick is affiliated with Ohio University in the United States and has a prolific research presence primarily in the fields of Medicine and Biochemistry, Genetics and Molecular Biology. Their work extensively covers subfields such as Endocrinology, Diabetes and Metabolism, Physiology, Molecular Biology, Cancer Research, and Endocrine and Autonomic Systems.

The main topics of their research include:

  • Growth Hormone and Insulin-like Growth Factors
  • Cancer, Hypoxia, and Metabolism
  • Diet and metabolism studies
  • Adipose Tissue and Metabolism
  • Regulation of Appetite and Obesity
  • Pituitary Gland Disorders and Treatments
  • Metabolism, Diabetes, and Cancer

Their recent publications demonstrate a focus on growth hormone function and related metabolic processes. Key papers include:

  • Safety of growth hormone replacement in survivors of cancer and intracranial and pituitary tumours: a consensus statement, 2022, European Journal of Endocrinology
  • Effect of growth hormone on insulin signaling, 2020, Molecular and Cellular Endocrinology
  • Crosstalk between the growth hormone/insulin-like growth factor-1 axis and the gut microbiome: A new frontier for microbial endocrinology, 2020, Growth Hormone & IGF Research
  • Growth hormone receptor gene disruption in mature-adult mice improves male insulin sensitivity and extends female lifespan, 2021, Aging Cell
  • Tyrosine Hydroxylase Neurons Regulate Growth Hormone Secretion via Short-Loop Negative Feedback, 2020, Journal of Neuroscience

Frequently collaborating with other scientists, Kopchick has coauthored many publications with several colleagues, including:

  • Edward O. List
  • Reetobrata Basu
  • Darlene E. Berryman
  • Silvana Duran-Ortiz
  • J. A. Young

Their research has appeared in multiple journals, with a high number of publications in:

  • Journal of the Endocrine Society
  • Endocrinology
  • Pituitary
  • Journal of Neuroendocrinology
  • Cancer Research

John J. Kopchick was recognized as a Fellow of the National Academy of Inventors in 2012.

Best Publications

  • A mammalian model for Laron syndrome produced by targeted disruption of the mouse growth hormone receptor/binding protein gene (the Laron mouse)

    Yihua Zhou;Bixiong C. Xu;Hiralal G. Maheshwari;Li He

  • Assessment of growth parameters and life span of GHR/BP gene-disrupted mice.

    Karen T. Coschigano;David Clemmons;Linda L. Bellush;John J. Kopchick;John J. Kopchick

  • Deletion, but not antagonism, of the mouse growth hormone receptor results in severely decreased body weights, insulin, and insulin-like growth factor I levels and increased life span.

    Karen T. Coschigano;Amy N. Holland;Markus E. Riders;Edward O. List

  • Interventions to Slow Aging in Humans: Are We Ready?

    Valter D. Longo;Adam Antebi;Andrzej Bartke;Nir Barzilai

  • Growth hormone antagonists

    John J. Kopchick;Wen Y. Chen

  • Prolonged Fasting Reduces IGF-1/PKA to Promote Hematopoietic-Stem-Cell-Based Regeneration and Reverse Immunosuppression

    Chia-Wei Cheng;Gregor B. Adams;Laura Perin;Min Wei

  • The GH/IGF-1 axis in ageing and longevity

    Riia K. Junnila;Edward O. List;Darlene E. Berryman;John W. Murrey

  • Essential Role of Growth Hormone in Ischemia-Induced Retinal Neovascularization

    Lois E. H. Smith;Lois E. H. Smith;Lois E. H. Smith;John J. Kopchick;John J. Kopchick;John J. Kopchick;Wen Chen;Wen Chen;Wen Chen;Joanne Knapp;Joanne Knapp;Joanne Knapp

  • Growth Hormone Receptor Antagonists: Discovery, Development, and Use in Patients with Acromegaly

    J J Kopchick;Craig Parkinson;E C Stevens;Peter J Trainer

  • Growth hormone research society workshop summary: Consensus guidelines for recombinant human growth hormone therapy in Prader-Willi syndrome

    Cheri L. Deal;Michèle Tony;Charlotte Hoÿbye;David B. Allen

  • Role of the GH/IGF-1 axis in lifespan and healthspan: lessons from animal models

    Darlene E. Berryman;Jens Sandahl Christiansen;Gudmundur Johannsson;Michael O. Thorner

  • Growth hormone (GH), GH receptor, and signal transduction.

    John J. Kopchick;Jerald M. Andry

  • Comparing adiposity profiles in three mouse models with altered GH signaling

    Darlene E Berryman;Edward O List;Karen T Coschigano;Kevin Behar

  • Inhibition of growth hormone action improves insulin sensitivity in liver IGF-1–deficient mice

    Shoshana Yakar;Jennifer Setser;Hong Zhao;Bethel Stannard

  • Prolactin, growth hormone, and epidermal growth factor activate Stat5 in different compartments of mammary tissue and exert different and overlapping developmental effects.

    Marta I. Gallego;Nadine Binart;Gertraud W. Robinson;Ryugo Okagaki

  • Identification and expression of mammalian long-chain PUFA elongation enzymes.

    Amanda E. Leonard;Bruce Kelder;Emil G. Bobik;Lu-Te Chuang

  • A Consensus on the Diagnosis and Treatment of Acromegaly Comorbidities: An Update.

    Andrea Giustina;Ariel Barkan;Albert Beckers;Nienke Biermasz

  • Liver-specific deletion of the growth hormone receptor reveals essential role of growth hormone signaling in hepatic lipid metabolism

    Yong Fan;Ram K. Menon;Pinchas Cohen;David Hwang

  • Bone homeostasis in growth hormone receptor–null mice is restored by IGF-I but independent of Stat5

    Natalie A. Sims;Philippe Clément-Lacroix;Francesca Da Ponte;Yasmina Bouali

  • Interventions to slow aging in humans: are we ready? [forthcoming]

    L Fontana;A Antebi;A Bartke;N Barzilai

Frequent Co-Authors

Andrzej Bartke
Andrzej Bartke Southern Illinois University School of Medicine
Jens Otto Lunde Jørgensen
Jens Otto Lunde Jørgensen Aarhus University Hospital
Richard D. Cummings
Richard D. Cummings Harvard Medical School
Kelley W. Moremen
Kelley W. Moremen University of Georgia
David F. Smith
David F. Smith Emory University
Jose Donato
Jose Donato Universidade de São Paulo
Paul A. Kelly
Paul A. Kelly Queen Mary University of London
Michael O. Thorner
Michael O. Thorner University of Virginia
Stuart J. Frank
Stuart J. Frank University of Alabama at Birmingham
Richard A. Miller
Richard A. Miller University of Michigan–Ann Arbor

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