World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
125
Citations
50745
World Ranking
3126
National Ranking
1728

Thomas E. Spencer 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 Thomas E. Spencer 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: 464 publications — 51st percentile

51% of scientists in this discipline score the same or lower.

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

Thomas E. Spencer 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 Thomas E. Spencer 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: 125 D-Index — 85th percentile

85% 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

  • 2019 - Member of the National Academy of Sciences
  • 2013 - Animal Physiology and Endocrinology Award, American Society of Animal Science

Overview

Thomas E. Spencer is affiliated with the University of Missouri in the United States. Their research focuses broadly on reproductive biology, intersecting fields such as medicine, biochemistry, genetics, molecular biology, immunology, and microbiology. The main topics covered in their work include reproductive system and pregnancy, reproductive physiology in livestock, endometriosis research and treatment, reproductive biology and fertility, pregnancy and preeclampsia studies, genetic and phenotypic traits in livestock, and cancer-related molecular mechanisms research.

The scientist has contributed to several recent papers, including:

  • In vitro models of the human endometrium: evolution and application for women's health+, 2020, Biology of Reproduction
  • Characterization and regulation of extracellular vesicles in the lumen of the ovine uterus†, 2020, Biology of Reproduction
  • Capture and metabolomic analysis of the human endometrial epithelial organoid secretome, 2021, Proceedings of the National Academy of Sciences
  • Review: Implantation and placentation in ruminants, 2023, animal
  • Identification of Loci and Pathways Associated with Heifer Conception Rate in U.S. Holsteins, 2020, Genes

Frequent co-authors in their publications include Andrew M. Kelleher, M. S. Ortega, Susanta K. Behura, Kimberly M Davenport, and J.G.N. Moraes.

The scientist frequently publishes in the following venues:

  • Biology of Reproduction
  • Proceedings of the National Academy of Sciences
  • Animal - science proceedings
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Reproduction

Thomas E. Spencer has also published a book titled Placentation in Mammals in 2021, with Springer Science+Business Media as the publisher. The book has been cited multiple times, reflecting its presence in academic research.

Their work spans several subfields of study:

  • Immunology
  • Agronomy and Crop Science
  • Reproductive Medicine
  • Genetics
  • Molecular Biology

Recognition for their contributions includes election as a Member of the National Academy of Sciences in 2019 and receiving the Animal Physiology and Endocrinology Award from the American Society of Animal Science in 2013.

Best Publications

  • Arginine metabolism and nutrition in growth, health and disease

    Guoyao Wu;Guoyao Wu;Fuller W. Bazer;Teresa A. Davis;Sung Woo Kim

  • Steroid receptor coactivator-1 is a histone acetyltransferase

    T E Spencer;G Jenster;G Jenster;M M Burcin;C D Allis

  • Board-invited review: intrauterine growth retardation: implications for the animal sciences.

    G. Wu;F. W. Bazer;Jacqueline Wallace;T. E. Spencer

  • Maternal Nutrition and Fetal Development

    Guoyao Wu;Fuller W. Bazer;Timothy A. Cudd;Cynthia J. Meininger

  • Conceptus signals for establishment and maintenance of pregnancy.

    Thomas E Spencer;Fuller W Bazer

  • Proline and hydroxyproline metabolism: implications for animal and human nutrition

    Guoyao Wu;Guoyao Wu;Fuller W. Bazer;Robert C. Burghardt;Gregory A. Johnson

  • Role of co-activators and co-repressors in the mechanism of steroid/thyroid receptor action.

    H Shibata;T E Spencer;S A Oñate;G Jenster

  • Immune mechanisms at the maternal-fetal interface: perspectives and challenges

    Mercy PrabhuDas;Elizabeth Bonney;Kathleen Caron;Sudhansu Dey

  • Revealing the history of sheep domestication using retrovirus integrations

    Bernardo Chessa;Filipe Pereira;Frederick Arnaud;Antonio Amorim

  • The Steroid Receptor Coactivator-1 Contains Multiple Receptor Interacting and Activation Domains That Cooperatively Enhance the Activation Function 1 (AF1) and AF2 Domains of Steroid Receptors

    Sergio A. Onate;Viroj Boonyaratanakornkit;Thomas E. Spencer;Sophia Y. Tsai

  • Developmental Biology of Uterine Glands

    C. Allison Gray;Frank F. Bartol;Becky J. Tarleton;Anne A. Wiley

  • Evidence for Placental Abnormality as the Major Cause of Mortality in First-Trimester Somatic Cell Cloned Bovine Fetuses

    Jonathan R. Hill;Robert C. Burghardt;Karen Jones;Charles R. Long

  • Biology of progesterone action during pregnancy recognition and maintenance of pregnancy.

    Thomas E Spencer;Fuller W Bazer

  • Comparative aspects of implantation

    Fuller W Bazer;Thomas E Spencer;Greg A Johnson;Robert C Burghardt

  • Endometrial Glands Are Required for Preimplantation Conceptus Elongation and Survival

    C. Allison Gray;Kristin M. Taylor;W. Shawn Ramsey;Jonathan R. Hill

  • Dietary l-Arginine Supplementation Reduces Fat Mass in Zucker Diabetic Fatty Rats

    Wenjiang J. Fu;Tony E. Haynes;Ripla Kohli;Jianbo Hu

  • Progesterone and Placental Hormone Actions on the Uterus: Insights from Domestic Animals

    Thomas E. Spencer;Greg A. Johnson;Robert C. Burghardt;Fuller W. Bazer

  • Implantation mechanisms: insights from the sheep.

    Thomas E Spencer;Greg A Johnson;Fuller W Bazer;Robert C Burghardt

  • Novel pathways for implantation and establishment and maintenance of pregnancy in mammals

    Fuller W. Bazer;Guoyao Wu;Thomas E. Spencer;Greg A. Johnson

  • Osteopontin: roles in implantation and placentation.

    Greg A. Johnson;Robert C. Burghardt;Fuller W. Bazer;Thomas E. Spencer

Frequent Co-Authors

Fuller W. Bazer
Fuller W. Bazer Texas A&M University
Greg A. Johnson
Greg A. Johnson Texas A&M University
Robert C. Burghardt
Robert C. Burghardt Texas A&M University
Guoyao Wu
Guoyao Wu Texas A&M University
Patrick Lonergan
Patrick Lonergan University College Dublin
Gwonhwa Song
Gwonhwa Song Korea University
Massimo Palmarini
Massimo Palmarini University of Glasgow
Troy L. Ott
Troy L. Ott Pennsylvania State University
Francesco J. DeMayo
Francesco J. DeMayo National Institutes of Health
Cynthia J. Meininger
Cynthia J. Meininger Texas A&M University

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