World's Best Scientists 2026 revealed!
J. Timothy Greenamyre

J. Timothy Greenamyre

D-Index & Metrics

Medicine

D-Index
94
Citations
37687
World Ranking
10376
National Ranking
5339

J. Timothy Greenamyre 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 J. Timothy Greenamyre 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: 239 publications — 7th percentile

7% of scientists in this discipline score the same or lower.

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

J. Timothy Greenamyre 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 J. Timothy Greenamyre 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: 94 D-Index — 49th percentile

49% 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

  • Member of the Association of American Physicians
  • Member of the Association of American Physicians

Overview

J. Timothy Greenamyre is affiliated with the University of Pittsburgh in the United States. Their research primarily centers on medicine and neuroscience, with particular focus on neurology, cellular and molecular neuroscience, molecular biology, and physiology.

The main topics addressed in their work include Parkinson's disease mechanisms and treatments, nuclear receptors and signaling, neuroinflammation and neurodegeneration mechanisms, Alzheimer's disease research and treatments, RNA regulation and disease, neurological diseases and metabolism, and neurological disorders and treatments.

Frequent publication venues for Greenamyre's research comprise bioRxiv (Cold Spring Harbor Laboratory), npj Parkinson's Disease, Neurobiology of Disease, Redox Biology, and SSRN Electronic Journal.

  • Sandra L. Castro
  • Briana R. De Miranda
  • Roberto Di Maio
  • Emily M. Rocha
  • Matthew T. Keeney

The most recent scientific papers authored or coauthored by Greenamyre include:

  • "The Parkinson's disease protein alpha-synuclein is a modulator of processing bodies and mRNA stability", 2022, Cell
  • "The industrial solvent trichloroethylene induces LRRK2 kinase activity and dopaminergic neurodegeneration in a rat model of Parkinson's disease", 2021, Neurobiology of Disease
  • "Trichloroethylene, a ubiquitous environmental contaminant in the risk for Parkinson's disease", 2020, Environmental Science Processes & Impacts
  • "Transient exposure to rotenone causes degeneration and progressive parkinsonian motor deficits, neuroinflammation, and synucleinopathy", 2023, npj Parkinson's Disease
  • "Acquired dysregulation of dopamine homeostasis reproduces features of Parkinson's disease", 2020, npj Parkinson's Disease

Greenamyre has been recognized as a Member of the Association of American Physicians. Their work engages deeply with the pathophysiological mechanisms underpinning Parkinson's disease and related neurodegenerative disorders.

Best Publications

  • Mechanism of toxicity in rotenone models of Parkinson's disease.

    Todd B. Sherer;Ranjita Betarbet;Claudia M. Testa;Byoung Boo Seo

  • Early mitochondrial calcium defects in Huntington's disease are a direct effect of polyglutamines

    Alexander V. Panov;Claire-Anne Gutekunst;Blair R. Leavitt;Michael R. Hayden

  • Subcutaneous Rotenone Exposure Causes Highly Selective Dopaminergic Degeneration and α-Synuclein Aggregation

    Todd B Sherer;Jin Ho Kim;Jin Ho Kim;Ranjita Betarbet;J Timothy Greenamyre

  • A highly reproducible rotenone model of Parkinson's disease

    Jason R. Cannon;Victor M. Tapias;Hye Mee Na;Anthony S. Honick

  • Animal models of Parkinson's disease

    Ranjita Betarbet;Todd B. Sherer;J. Timothy Greenamyre

  • Alternative excitotoxic hypotheses.

    R. L. Albin;J. T. Greenamyre

  • An In Vitro Model of Parkinson's Disease: Linking Mitochondrial Impairment to Altered α-Synuclein Metabolism and Oxidative Damage

    Todd B. Sherer;Ranjita Betarbet;Amy K. Stout;Serena Lund

  • Excitatory amino acids and Alzheimer's disease.

    J.Timothy Greenamyre;Anne B. Young

  • α-Synuclein binds to TOM20 and inhibits mitochondrial protein import in Parkinson’s disease

    Roberto Di Maio;Paul J. Barrett;Eric K. Hoffman;Caitlyn W. Barrett

  • LRRK2 activation in idiopathic Parkinson’s disease

    Roberto Di Maio;Eric K. Hoffman;Emily M. Rocha;Matthew T. Keeney

  • Parkinson's--Divergent Causes, Convergent Mechanisms

    J. Timothy Greenamyre;Teresa G. Hastings

  • Increased apoptosis of Huntington disease lymphoblasts associated with repeat length-dependent mitochondrial depolarization

    Akira Sawa;Gordon W. Wiegand;Jillian Cooper;Russell L. Margolis

  • N-Terminal Mutant Huntingtin Associates with Mitochondria and Impairs Mitochondrial Trafficking

    Adam L. Orr;Shihua Li;Chuan-En Wang;He Li

  • Intersecting pathways to neurodegeneration in Parkinson's disease: Effects of the pesticide rotenone on DJ-1, α-synuclein, and the ubiquitin–proteasome system

    Ranjita Betarbet;Rosa M. Canet-Aviles;Todd B. Sherer;Pier G. Mastroberardino

  • The Role of Environmental Exposures in Neurodegeneration and Neurodegenerative Diseases

    Jason R. Cannon;J. Timothy Greenamyre

  • Slowing of neurodegeneration in Parkinson's disease and Huntington's disease: future therapeutic perspectives.

    Anthony H V Schapira;C Warren Olanow;J Timothy Greenamyre;Erwan Bezard;Erwan Bezard

  • Complex I and Parkinson's disease.

    J. Timothy Greenamyre;Todd B. Sherer;Ranjita Betarbet;Alexander V. Panov

  • Glutamate dysfunction in Alzheimer's disease: an hypothesis

    William F. Maragos;J.Timothy Greenamyre;John B. Penney;Anne B. Young

  • Alterations in L-glutamate binding in Alzheimer's and Huntington's diseases.

    JT Greenamyre;JB Penney;AB Young;CJ D'Amato

  • Selective microglial activation in the rat rotenone model of Parkinson's disease.

    Todd B Sherer;Ranjita Betarbet;Jin Ho Kim;J Timothy Greenamyre

Frequent Co-Authors

Anne B. Young
Anne B. Young Harvard University
Teresa G. Hastings
Teresa G. Hastings University of Pittsburgh
Fabio Blandini
Fabio Blandini University of Pavia
John B. Penney
John B. Penney University of Michigan–Ann Arbor
Gary W. Miller
Gary W. Miller Columbia University
Takao Yagi
Takao Yagi Scripps Research Institute
Ira Shoulson
Ira Shoulson Georgetown University
Karl Kieburtz
Karl Kieburtz University of Rochester Medical Center
Erwan Bezard
Erwan Bezard University of Bordeaux
Michael R. Hayden
Michael R. Hayden University of British Columbia

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