Stephan Speier

3.9k total citations · 1 hit paper
45 papers, 2.4k citations indexed

About

Stephan Speier is a scholar working on Surgery, Endocrinology, Diabetes and Metabolism and Genetics. According to data from OpenAlex, Stephan Speier has authored 45 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 36 papers in Surgery, 27 papers in Endocrinology, Diabetes and Metabolism and 23 papers in Genetics. Recurrent topics in Stephan Speier's work include Pancreatic function and diabetes (36 papers), Diabetes and associated disorders (23 papers) and Diabetes Management and Research (21 papers). Stephan Speier is often cited by papers focused on Pancreatic function and diabetes (36 papers), Diabetes and associated disorders (23 papers) and Diabetes Management and Research (21 papers). Stephan Speier collaborates with scholars based in Germany, United States and Sweden. Stephan Speier's co-authors include Christian M. Cohrs, Julia Stertmann, Marjan Slak Rupnik, Chunguang Chen, Alejandro Caicedo, Per‐Olof Berggren, Martin Köhler, Ingo B. Leibiger, Camillo Ricordi and Daniel Nyqvist and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Nature Medicine and Nature Communications.

In The Last Decade

Stephan Speier

44 papers receiving 2.4k 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.

Human beta cell mass and function in diabetes: Recent advances in knowledge and technologies to understand disease pathogenesis

2017 346 citations Chunguang Chen, Christian M. Cohrs et al. Molecular Metabolism profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Stephan Speier Germany	25	1.7k	998	975	677	233	45	2.4k
Mathieu Armanet France	20	1.4k 0.8×	823 0.8×	779 0.8×	610 0.9×	156 0.7×	38	1.9k
Dan S. Luciani Canada	24	1.3k 0.8×	628 0.6×	541 0.6×	1.2k 1.7×	233 1.0×	38	2.6k
Guo Huang United Kingdom	31	1.1k 0.7×	962 1.0×	939 1.0×	1.0k 1.5×	362 1.6×	87	2.9k
Barbara Leibiger Sweden	29	1.8k 1.0×	868 0.9×	849 0.9×	1.7k 2.5×	426 1.8×	60	3.2k
Asllan Gjinovci Switzerland	29	2.0k 1.2×	651 0.7×	1.2k 1.2×	1.4k 2.1×	484 2.1×	52	3.1k
Zhidong Ling Belgium	32	3.2k 1.9×	1.8k 1.8×	2.0k 2.0×	1.3k 1.8×	211 0.9×	78	4.0k
Eric L. Ford United States	18	981 0.6×	368 0.4×	551 0.6×	594 0.9×	459 2.0×	20	1.9k
Eiji Yoshihara Japan	22	650 0.4×	433 0.4×	299 0.3×	1.3k 2.0×	312 1.3×	54	2.3k
Zhiyong Gao United States	27	768 0.4×	275 0.3×	386 0.4×	985 1.5×	245 1.1×	49	1.9k
Erica Nishimura Denmark	31	1.3k 0.8×	391 0.4×	1.4k 1.5×	1.3k 1.9×	317 1.4×	60	2.6k

Countries citing papers authored by Stephan Speier

Since Specialization

Citations

This map shows the geographic impact of Stephan Speier'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 Stephan Speier with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Stephan Speier more than expected).

Fields of papers citing papers by Stephan Speier

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Stephan Speier. 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 Stephan Speier. The network helps show where Stephan Speier may publish in the future.

Co-authorship network of co-authors of Stephan Speier

This figure shows the co-authorship network connecting the top 25 collaborators of Stephan Speier. A scholar is included among the top collaborators of Stephan Speier 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 Stephan Speier. Stephan Speier is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Yılmaz, Canelif, Anke Witt, Fatma Abdallah, et al.. (2025). Modulation of microglial phagocytosis via the GAS6-MERTK pathway regulates pathological angiogenesis in the mouse oxygen-induced retinopathy model. Cell Death and Disease. 16(1). 428–428. 1 indexed citations

Pezzolla, Daniela, Eva Rodríguez-Aznar, Christian M. Cohrs, et al.. (2024). Generation and application of novel hES cell reporter lines for the differentiation and maturation of hPS cell-derived islet-like clusters. Scientific Reports. 14(1). 19863–19863. 1 indexed citations

Kopaliani, Irakli, et al.. (2024). Immune and Metabolic Mechanisms of Endothelial Dysfunction. International Journal of Molecular Sciences. 25(24). 13337–13337. 7 indexed citations

Cohrs, Christian M., Léon van Gurp, Kenichiro Furuyama, et al.. (2024). Regulated and adaptive in vivo insulin secretion from islets only containing β-cells. Nature Metabolism. 6(9). 1791–1806. 8 indexed citations

Cohrs, Christian M., Amanda L. Posgai, Maigan A. Brusko, et al.. (2024). Impaired islet function and normal exocrine enzyme secretion occur with low inter-regional variation in type 1 diabetes. Cell Reports. 43(6). 114346–114346. 5 indexed citations

Cohrs, Christian M., et al.. (2023). Bridging the Gap: Pancreas Tissue Slices From Organ and Tissue Donors for the Study of Diabetes Pathogenesis. Diabetes. 73(1). 11–22. 10 indexed citations

Speier, Stephan, et al.. (2023). Oxidative Stress, Antioxidants and Hypertension. Antioxidants. 12(2). 281–281. 72 indexed citations

Yennek, Siham, Chunguang Chen, Luis Fernando Delgadillo-Silva, et al.. (2022). Wnt4 is heterogeneously activated in maturing β-cells to control calcium signaling, metabolism and function. Nature Communications. 13(1). 6255–6255. 12 indexed citations

Hiller, Helmut, Maria Beery, Paul Joseph, et al.. (2021). Observing Islet Function and Islet-Immune Cell Interactions in Live Pancreatic Tissue Slices. Journal of Visualized Experiments. 9 indexed citations

10.

Panzer, Julia K., Helmut Hiller, Christian M. Cohrs, et al.. (2020). Pancreas tissue slices from organ donors enable in situ analysis of type 1 diabetes pathogenesis. JCI Insight. 5(8). 60 indexed citations

11.

Qadir, Mirza Muhammad Fahd, Silvia Álvarez-Cubela, Jonathan Weitz, et al.. (2020). Long-term culture of human pancreatic slices as a model to study real-time islet regeneration. Nature Communications. 11(1). 3265–3265. 45 indexed citations

12.

Dudeck, Jan, Anna Medyukhina, Julia Fröbel, et al.. (2017). Mast cells acquire MHCII from dendritic cells during skin inflammation. The Journal of Experimental Medicine. 214(12). 3791–3811. 59 indexed citations

13.

Chen, Chunguang, et al.. (2017). Human beta cell mass and function in diabetes: Recent advances in knowledge and technologies to understand disease pathogenesis. Molecular Metabolism. 6(9). 943–957. 346 indexed citations breakdown →

14.

Cohrs, Christian M., Chunguang Chen, Julia Stertmann, et al.. (2017). Vessel Network Architecture of Adult Human Islets Promotes Distinct Cell-Cell Interactions In Situ and Is Altered After Transplantation. Endocrinology. 158(5). 1373–1385. 63 indexed citations

15.

Rodriguez‐Diaz, Rayner, Stephan Speier, R. Damaris Molano, et al.. (2012). Noninvasive in vivo model demonstrating the effects of autonomic innervation on pancreatic islet function. Proceedings of the National Academy of Sciences. 109(52). 21456–21461. 94 indexed citations

16.

Speier, Stephan. (2011). Experimental Approaches for High-Resolution In Vivo Imaging of Islet of Langerhans Biology. Current Diabetes Reports. 11(5). 420–425. 10 indexed citations

17.

Cabrera, Over, Maria C. Jacques-Silva, Stephan Speier, et al.. (2008). Glutamate Is a Positive Autocrine Signal for Glucagon Release. Cell Metabolism. 7(6). 545–554. 170 indexed citations

18.

Speier, Stephan, Daniel Nyqvist, Over Cabrera, et al.. (2008). Noninvasive in vivo imaging of pancreatic islet cell biology. Nature Medicine. 14(5). 574–578. 208 indexed citations

19.

Speier, Stephan, et al.. (2004). KATP-channels in beta-cells in tissue slices are directly modulated by millimolar ATP. Molecular and Cellular Endocrinology. 230(1-2). 51–58. 41 indexed citations

20.

Speier, Stephan, J. Bromberg, & Neil Lempert. (1981). Phenytoin, methylprednisolone sodium succinate and graft survival.. Journal of Pharmacology and Experimental Therapeutics. 216(1). 101–103. 1 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.

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