World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
78
Citations
24891
World Ranking
4500
National Ranking
152

Medicine

D-Index
78
Citations
24907
World Ranking
17965
National Ranking
753

Timothy J. Kieffer publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Timothy J. Kieffer sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 260 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Timothy J. Kieffer D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Timothy J. Kieffer sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 78 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Timothy J. Kieffer is affiliated with the University of British Columbia in Canada. Their research focuses primarily on Medicine, with a significant number of publications in Biochemistry, Genetics, and Molecular Biology. The main subfields of study include Surgery, Molecular Biology, Endocrinology, Diabetes and Metabolism, Genetics, and Physiology.

The primary research topics covered by Timothy J. Kieffer involve pancreatic function and diabetes, diabetes management and research, diabetes and associated disorders, pluripotent stem cells research, 3D printing in biomedical research, adipokines, inflammation, and metabolic diseases, as well as diabetes treatment and management.

The recent publications include:

  • Implanted pluripotent stem-cell-derived pancreatic endoderm cells secrete glucose-responsive C-peptide in patients with type 1 diabetes, 2021, Cell stem cell
  • Tissue-Specific Effects of Leptin on Glucose and Lipid Metabolism, 2020, Endocrine Reviews
  • Encapsulated stem cell-derived β cells exert glucose control in patients with type 1 diabetes, 2023, Nature Biotechnology
  • Revisiting Proinsulin Processing: Evidence That Human β-Cells Process Proinsulin With Prohormone Convertase (PC) 1/3 but Not PC2, 2020, Diabetes
  • Human Pluripotent Stem Cells to Model Islet Defects in Diabetes, 2021, Frontiers in Endocrinology

Frequent co-authors collaborating with Timothy J. Kieffer include:

  • Robert K. Baker
  • Cara E. Ellis
  • Diepiriye G. Iworima
  • Adam Ramzy
  • Shenghui Liang

Timothy J. Kieffer has published extensively in scientific journals, with the most frequent publication venues being Diabetes, Scientific Reports, Transplantation, Cell stem cell, and Endocrine Reviews.

Best Publications

  • Reversal of diabetes with insulin-producing cells derived in vitro from human pluripotent stem cells

    Alireza Rezania;Jennifer E Bruin;Payal Arora;Allison Rubin

  • Degradation of glucose-dependent insulinotropic polypeptide and truncated glucagon-like peptide 1 in vitro and in vivo by dipeptidyl peptidase IV

    T. J. Kieffer;C. H. S. Mcintosh;R. A. Pederson

  • The glucagon-like peptides.

    Timothy James Kieffer;Joel Francis Habener

  • Dietary fructose reduces circulating insulin and leptin, attenuates postprandial suppression of ghrelin, and increases triglycerides in women.

    Karen L Teff;Sharon S Elliott;Matthias Tschöp;Timothy J Kieffer

  • Insulinotropic glucagon-like peptide 1 agonists stimulate expression of homeodomain protein IDX-1 and increase islet size in mouse pancreas.

    Doris A. Stoffers;Timothy J. Kieffer;Mehboob A. Hussain;Daniel J. Drucker

  • Leptin Suppression of Insulin Secretion by the Activation of ATP-Sensitive K + Channels in Pancreatic β-Cells

    Timothy J. Kieffer;R. Scott Heller;Colin A. Leech;George G. Holz

  • Clonal identification of multipotent precursors from adult mouse pancreas that generate neural and pancreatic lineages

    Raewyn M Seaberg;Simon R Smukler;Timothy J Kieffer;Grigori Enikolopov

  • The adipoinsular axis: effects of leptin on pancreatic β-cells

    Timothy J. Kieffer;Joel F. Habener

  • Maturation of Human Embryonic Stem Cell–Derived Pancreatic Progenitors into Functional Islets Capable of Treating Pre-existing Diabetes in Mice

    Alireza Rezania;Jennifer E. Bruin;Michael J. Riedel;Majid Mojibian

  • Hyperinsulinemia Drives Diet-Induced Obesity Independently of Brain Insulin Production

    Arya E. Mehran;Nicole M. Templeman;G. Stefano Brigidi;Gareth E. Lim

  • Leptin suppression of insulin secretion and gene expression in human pancreatic islets: implications for the development of adipogenic diabetes mellitus.

    Jochen Seufert;Timothy J. Kieffer;Colin A. Leech;George G. Holz

  • Leptin receptors expressed on pancreatic beta-cells.

    Kieffer Tj;Heller Rs;Habener Jf

  • Glucose-dependent insulin release from genetically engineered K cells.

    Anthony T. Cheung;Bama Dayanandan;Jamie T. Lewis;Gregory S. Korbutt

  • Ghrelin, Peptide YY, Glucose-Dependent Insulinotropic Polypeptide, and Hunger Responses to a Mixed Meal in Anorexic, Obese, and Control Female Adolescents

    Sue Stock;Pierre Leichner;Alfred C. K. Wong;Mohamed A. Ghatei

  • Leptin inhibits insulin gene transcription and reverses hyperinsulinemia in leptin-deficient ob/ob mice

    Jochen Seufert;Timothy J. Kieffer;Joel F. Habener

  • Enrichment of human embryonic stem cell-derived NKX6.1-expressing pancreatic progenitor cells accelerates the maturation of insulin-secreting cells in vivo.

    Alireza Rezania;Jennifer E. Bruin;Jean Xu;Kavitha Narayan

  • Functional GIP Receptors Are Present on Adipocytes

    Rupert G.-C. Yip;Michael O. Boylan;Timothy J. Kieffer;M. Michael Wolfe

  • Defective Glucose-Dependent Insulinotropic Polypeptide Receptor Expression in Diabetic Fatty Zucker Rats

    Francis C. Lynn;Nathalie Pamir;Eddy H.C. Ng;Christopher H.S. McIntosh

  • Insulinotropic glucagon-like peptide I receptor expression in glucagon-producing alpha-cells of the rat endocrine pancreas.

    R S Heller;T J Kieffer;J F Habener

  • Disruption of Hepatic Leptin Signaling Protects Mice from Age- and Diet- Related Glucose Intolerance Running Title: Liver Leptin Signaling and Glucose Tolerance

    Frank K. Huynh;Jasna Levi;Heather C. Denroche;Sarah L. Gray

Frequent Co-Authors

Joel F. Habener
Joel F. Habener Harvard University
Leif Groop
Leif Groop Lund University
Raymond J. Andersen
Raymond J. Andersen University of British Columbia
Allan Vaag
Allan Vaag Steno Diabetes Center
Valeriya Lyssenko
Valeriya Lyssenko University of Bergen
Paul D. Robbins
Paul D. Robbins University of Minnesota
Markku Laakso
Markku Laakso University of Eastern Finland
Ray V. Rajotte
Ray V. Rajotte University of Alberta
Sten Madsbad
Sten Madsbad University of Copenhagen
Peter Rossing
Peter Rossing University of Copenhagen

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