Piotr Witkowski

6.1k total citations · 1 hit paper
115 papers, 3.4k citations indexed

About

Piotr Witkowski is a scholar working on Surgery, Genetics and Endocrinology, Diabetes and Metabolism. According to data from OpenAlex, Piotr Witkowski has authored 115 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 85 papers in Surgery, 41 papers in Genetics and 37 papers in Endocrinology, Diabetes and Metabolism. Recurrent topics in Piotr Witkowski's work include Pancreatic function and diabetes (68 papers), Diabetes and associated disorders (36 papers) and Diabetes Management and Research (30 papers). Piotr Witkowski is often cited by papers focused on Pancreatic function and diabetes (68 papers), Diabetes and associated disorders (36 papers) and Diabetes Management and Research (30 papers). Piotr Witkowski collaborates with scholars based in United States, Poland and China. Piotr Witkowski's co-authors include Mark A. Hardy, Piotr Trzonkowski, Natalia Marek-Trzonkowska, J. Michael Millis, Wojciech Młynarski, Małgorzata Myśliwiec, Marcelina Grabowska, Manami Hara, Anita Dobyszuk and David Woodland and has published in prestigious journals such as New England Journal of Medicine, Journal of Biological Chemistry and Circulation.

In The Last Decade

Piotr Witkowski

103 papers receiving 3.4k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Administration of CD4+CD25highCD127− Regulatory T Cells Preserves β-Cell Function in Type 1 Diabetes in Children

2012 349 citations Natalia Marek-Trzonkowska, Piotr Witkowski et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Piotr Witkowski United States	30	1.7k	976	922	748	736	115	3.4k
Guadalupe Bilbao United States	29	1.3k 0.8×	851 0.9×	267 0.3×	361 0.5×	950 1.3×	57	2.3k
Juan L. Contreras United States	29	1.6k 0.9×	730 0.7×	201 0.2×	428 0.6×	781 1.1×	45	2.4k
Federico Bertuzzi Italy	31	2.7k 1.6×	1.5k 1.6×	261 0.3×	1.5k 2.0×	827 1.1×	120	3.9k
Marcia McDuffie United States	29	690 0.4×	970 1.0×	1.3k 1.5×	358 0.5×	630 0.9×	63	2.8k
Takashi Maki United States	28	1.9k 1.1×	968 1.0×	726 0.8×	841 1.1×	582 0.8×	111	3.1k
Chunhua Dai United States	37	1.8k 1.0×	1.1k 1.1×	473 0.5×	1.0k 1.4×	1.6k 2.2×	88	4.2k
Yoshihiko Kawaguchi Japan	23	922 0.5×	1.2k 1.2×	1.1k 1.2×	553 0.7×	911 1.2×	121	3.4k
Fabiola Terzi France	35	509 0.3×	499 0.5×	359 0.4×	170 0.2×	1.7k 2.3×	93	3.9k
Mollie Jurewicz United States	21	614 0.4×	364 0.4×	770 0.8×	276 0.4×	417 0.6×	33	1.9k
Patricia Lemarchand France	31	1.2k 0.7×	730 0.7×	344 0.4×	260 0.3×	1.9k 2.6×	70	3.6k

Countries citing papers authored by Piotr Witkowski

Since Specialization

Citations

This map shows the geographic impact of Piotr Witkowski's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Piotr Witkowski with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Piotr Witkowski more than expected).

Fields of papers citing papers by Piotr Witkowski

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Piotr Witkowski. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Piotr Witkowski. The network helps show where Piotr Witkowski may publish in the future.

Co-authorship network of co-authors of Piotr Witkowski

This figure shows the co-authorship network connecting the top 25 collaborators of Piotr Witkowski. A scholar is included among the top collaborators of Piotr Witkowski based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Piotr Witkowski. Piotr Witkowski is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Escobedo, Marilyn, Martin Tibudan, Teri E. Klein, et al.. (2025). CD40L Co-Stimulation Blockade as a Non-Toxic Calcineurin Inhibitor-Free Immunosuppression for Beta Cell Replacement Therapy: Preliminary Results from a Pilot Clinical Study. American Journal of Transplantation. 25(8). S224–S224.

Reichman, Trevor, James F. Markmann, Jon S. Odorico, et al.. (2025). Stem Cell–Derived, Fully Differentiated Islets for Type 1 Diabetes. New England Journal of Medicine. 393(9). 858–868. 9 indexed citations

Escobedo, Marilyn, Martin Tibudan, Teri E. Klein, et al.. (2025). Optimizing Immunosuppression for Beta Cell Replacement: Efficacy and Tolerability of Belatacept with Low-Dose Tacrolimus. American Journal of Transplantation. 25(8). S1025–S1025.

Bachul, Piotr J., Arielle Cimeno, Patrick N. Cunningham, et al.. (2025). Outcomes of Simultaneous Kidney and Pancreas Transplantation in Patients with Type 2 Diabetes Mellitus: A Single-Center Experience. American Journal of Transplantation. 25(8). S1024–S1025.

Lin, William, Piotr J. Bachul, Ling‐Jia Wang, et al.. (2023). Persistence of long-term insulin independence after islet transplantation and two subsequent pregnancies. PubMed. 6(1). 9–13.

Hering, Bernhard J., Melena D. Bellin, Fouad Kandeel, et al.. (2022). Factors associated with favourable 5 year outcomes in islet transplant alone recipients with type 1 diabetes complicated by severe hypoglycaemia in the Collaborative Islet Transplant Registry. Diabetologia. 66(1). 163–173. 25 indexed citations

Bachul, Piotr J., Karolina Gołąb, Jordan Pyda, et al.. (2020). En bloc liver and pancreas transplantation after total pancreatectomy with autologous Islet transplantation. PubMed. 3(2). 11–17.

Gołębiewska, Justyna, Piotr Witkowski, & Alicja Dębska‐Ślizień. (2018). Pancreatic islets transplantation. Via Medica Journals. 11(1). 24–32.

Witkowski, Piotr, et al.. (2017). The Use of Biocompatible Alginate Scaffolds Covalently Modified with Cyclic RGDfK Peptides to Improve Survival of Transplanted Cells and Angiogenesis in Damaged Myocardium. Data Archiving and Networked Services (DANS). 1 indexed citations

10.

Gołębiewska, Justyna, Karolina Gołąb, Piotr J. Bachul, et al.. (2017). External Validation of the Newly Developed BETA-2 Scoring System for Pancreatic Islet Graft Function Assessment. Transplantation Proceedings. 49(10). 2340–2346. 4 indexed citations

11.

Gołębiewska, Justyna, Piotr J. Bachul, Karolina Gołąb, et al.. (2017). Pain Control, Glucose Control, and Quality of Life in Patients With Chronic Pancreatitis After Total Pancreatectomy With Islet Autotransplantation: A Preliminary Report. Transplantation Proceedings. 49(10). 2333–2339. 18 indexed citations

12.

Sondermeijer, Hugo, Piotr Witkowski, Tetsunori Seki, et al.. (2017). RGDfK-Peptide Modified Alginate Scaffold for Cell Transplantation and Cardiac Neovascularization. Tissue Engineering Part A. 24(9-10). 740–751. 21 indexed citations

13.

Gołąb, Karolina, Randall Grose, Piotr Trzonkowski, et al.. (2016). Utilization of leukapheresis and CD4 positive selection in Treg isolation and the ex-vivo expansion for a clinical application in transplantation and autoimmune disorders. Oncotarget. 7(48). 79474–79484. 10 indexed citations

14.

Periwal, Vipul, Jerome B. Taxy, J. Michael Millis, et al.. (2015). Beta-cell destruction and preservation in childhood and adult onset type 1 diabetes. Endocrine. 49(3). 693–702. 35 indexed citations

15.

Dugnani, Erica, Valentina Pasquale, Ryosuke Misawa, et al.. (2014). β-Cell Differentiation of Human Pancreatic Duct–Derived Cells After In Vitro Expansion. Cellular Reprogramming. 16(6). 456–466. 26 indexed citations

16.

Matsunari, Hitomi, Masaki Nagaya, Hiroshi Nagashima, et al.. (2014). A Conserved Rule for Pancreatic Islet Organization. PLoS ONE. 9(10). e110384–e110384. 40 indexed citations

17.

Gołąb, Karolina, Seda Kızılel, Manami Hara, et al.. (2014). Improved Coating of Pancreatic Islets With Regulatory T cells to Create Local Immunosuppression by Using the Biotin-polyethylene Glycol-succinimidyl Valeric Acid Ester Molecule. Transplantation Proceedings. 46(6). 1967–1971. 27 indexed citations

18.

Leveson-Gower, Dennis B., Karolina Gołąb, Xiaojun Wang, et al.. (2013). FoxP3, Helios, and SATB1: Roles and relationships in regulatory T cells. International Immunopharmacology. 16(3). 343–347. 31 indexed citations

19.

Yin, Hao, Soo Young Park, Xiaojun Wang, et al.. (2013). Enhancing Pancreatic Beta-Cell Regeneration In Vivo with Pioglitazone and Alogliptin. PLoS ONE. 8(6). e65777–e65777. 18 indexed citations

20.

Witkowski, Piotr, et al.. (2005). Infectious tolerance mediated by CD8+ T-Suppresor Cells After UV-B–irradiated donor-specific transfusion and rat heart transplantation. Transplantation Proceedings. 37(1). 43–45. 3 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact