Jan Ehrchen

4.9k total citations · 1 hit paper
64 papers, 2.9k citations indexed

About

Jan Ehrchen is a scholar working on Immunology, Rheumatology and Dermatology. According to data from OpenAlex, Jan Ehrchen has authored 64 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 28 papers in Immunology, 17 papers in Rheumatology and 11 papers in Dermatology. Recurrent topics in Jan Ehrchen's work include Immune Response and Inflammation (12 papers), Immune cells in cancer (11 papers) and Urticaria and Related Conditions (8 papers). Jan Ehrchen is often cited by papers focused on Immune Response and Inflammation (12 papers), Immune cells in cancer (11 papers) and Urticaria and Related Conditions (8 papers). Jan Ehrchen collaborates with scholars based in Germany, United States and Croatia. Jan Ehrchen's co-authors include Johannes Roth, Cord Sunderkötter, Dirk Foell, Thomas Vogl, Klaus Tenbrock, Georg Varga, Clemens Sorg, Katarzyna Barczyk, Katarzyna Barczyk‐Kahlert and Wolfgang Nacken and has published in prestigious journals such as The Journal of Experimental Medicine, Blood and The Journal of Immunology.

In The Last Decade

Jan Ehrchen

60 papers receiving 2.9k 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.

The endogenous Toll–like receptor 4 agonist S100A8/S100A9 (calprotectin) as innate amplifier of infection, autoimmunity, and cancer

2009 662 citations Jan Ehrchen, Cord Sunderkötter et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Jan Ehrchen Germany	26	1.4k	958	385	343	330	64	2.9k
Steven K. Lundy United States	33	1.8k 1.3×	786 0.8×	323 0.8×	177 0.5×	485 1.5×	59	3.5k
Amaya Puig‐Kröger Spain	31	2.3k 1.6×	1.2k 1.2×	312 0.8×	190 0.6×	365 1.1×	63	3.7k
Kenji Akita Japan	11	1.7k 1.2×	1.4k 1.4×	395 1.0×	185 0.5×	179 0.5×	31	2.8k
Carl S. Goodyear United Kingdom	34	2.1k 1.5×	1.2k 1.3×	360 0.9×	203 0.6×	767 2.3×	110	4.2k
Xavier Culleré United States	25	1.8k 1.3×	1.3k 1.3×	367 1.0×	246 0.7×	136 0.4×	38	3.9k
Kazuya Iwabuchi Japan	33	2.5k 1.8×	920 1.0×	518 1.3×	170 0.5×	290 0.9×	140	4.0k
Graham R. Wallace United Kingdom	33	633 0.5×	720 0.8×	344 0.9×	354 1.0×	852 2.6×	117	3.2k
Hiroyuki Matsue Japan	33	1.9k 1.3×	1.2k 1.2×	290 0.8×	152 0.4×	326 1.0×	126	3.8k
Sun‐Sang J. Sung United States	33	2.3k 1.7×	873 0.9×	325 0.8×	240 0.7×	299 0.9×	87	4.0k
Ivan Cruz Moura France	35	2.2k 1.6×	1.4k 1.4×	497 1.3×	263 0.8×	138 0.4×	60	4.8k

Countries citing papers authored by Jan Ehrchen

Since Specialization

Citations

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

Fields of papers citing papers by Jan Ehrchen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jan Ehrchen

This figure shows the co-authorship network connecting the top 25 collaborators of Jan Ehrchen. A scholar is included among the top collaborators of Jan Ehrchen 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 Jan Ehrchen. Jan Ehrchen 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

Eter, Nicole, et al.. (2025). Microvascular Density Analysis of Patients with Trigeminal Herpes Zoster—An Optical Coherence Tomography Angiography Study. Biomedicines. 13(7). 1630–1630. 1 indexed citations

Ehrchen, Jan, et al.. (2024). Impact of a dermatological rehabilitation program on cardiovascular risks of psoriasis patients. JDDG Journal der Deutschen Dermatologischen Gesellschaft. 23(2). 161–171.

Ehrchen, Jan, et al.. (2023). Anti‐DFS70 antibodies are associated with atopic dermatitis and can cause misdiagnosis of connective tissue disease. JDDG Journal der Deutschen Dermatologischen Gesellschaft. 21(5). 464–470. 2 indexed citations

Weishaupt, Carsten, et al.. (2022). UVA1 radiation attenuates pro‐inflammatory functions in human monocytes. The Journal of Dermatology. 50(1). 46–56.

Ehrchen, Jan, Karen Molyneux, Jonathan Barratt, et al.. (2022). Systemic Activation of Neutrophils by Immune Complexes Is Critical to IgA Vasculitis. The Journal of Immunology. 209(6). 1048–1058. 12 indexed citations

Eveslage, Maria, et al.. (2020). Diagnostic value of laboratory parameters for the discrimination between erysipelas and limited cellulitis. JDDG Journal der Deutschen Dermatologischen Gesellschaft. 18(12). 1417–1424. 4 indexed citations

Cordes, Friederike, Christian Ellermann, Jan Ehrchen, Hansjoerg Ullerich, & Lars Eckardt. (2019). Diagnosis and management of cold urticaria in cryoablation of atrial fibrillation: a case report. European Heart Journal - Case Reports. 3(4). 1–5. 3 indexed citations

Ehrchen, Jan, Johannes Roth, & Katarzyna Barczyk‐Kahlert. (2019). More Than Suppression: Glucocorticoid Action on Monocytes and Macrophages. Frontiers in Immunology. 10. 2028–2028. 130 indexed citations

Dorhoi, Anca, Estibaliz Glaría, Thalía García-Téllez, et al.. (2018). MDSCs in infectious diseases: regulation, roles, and readjustment. Cancer Immunology Immunotherapy. 68(4). 673–685. 47 indexed citations

10.

Hildebrand, Dominic G., Eva Alexander, Simon Lehle, et al.. (2013). I kappa B zeta Is a Transcriptional Key Regulator of CCL2/MCP-1. The Journal of Immunology. 190(9). 3 indexed citations

11.

Thoma-Uszynski, Sybille, Ilka Herrgott, Athanasios Tsianakas, et al.. (2013). Clinical complexity of Leishmania (Viannia) braziliensis infections amongst travelers. European Journal of Dermatology. 23(2). 218–223. 4 indexed citations

12.

Tsianakas, Athanasios, Georg Varga, Katarzyna Barczyk, et al.. (2011). Induction of an anti-inflammatory human monocyte subtype is a unique property of glucocorticoids, but can be modified by IL-6 and IL-10. Immunobiology. 217(3). 329–335. 30 indexed citations

13.

Ehrchen, Jan, Kirsten Roebrock, Dirk Foell, et al.. (2010). Keratinocytes Determine Th1 Immunity during Early Experimental Leishmaniasis. PLoS Pathogens. 6(4). e1000871–e1000871. 51 indexed citations

14.

Kuhn, Annegret, Susanne Amler, Stefan Beissert, et al.. (2010). Revised Cutaneous Lupus Erythematosus Disease Area and Severity Index (RCLASI): a modified outcome instrument for cutaneous lupus erythematosus. British Journal of Dermatology. 163(1). 83–92. 67 indexed citations

15.

Eisenblätter, Michel, Jan Ehrchen, Georg Varga, et al.. (2009). In Vivo Optical Imaging of Cellular Inflammatory Response in Granuloma Formation Using Fluorescence-Labeled Macrophages. Journal of Nuclear Medicine. 50(10). 1676–1682. 68 indexed citations

16.

Ehrchen, Jan, Cord Sunderkötter, Thomas A. Luger, & Martin Steinhoff. (2008). Calcineurin inhibitors for the treatment of atopic dermatitis. Expert Opinion on Pharmacotherapy. 9(17). 3009–3023. 9 indexed citations

17.

Ehrchen, Jan, Lars Steinmüller, Katarzyna Barczyk, et al.. (2006). Glucocorticoids induce differentiation of a specifically activated, anti-inflammatory subtype of human monocytes. Blood. 109(3). 1265–1274. 321 indexed citations

18.

Sindrilaru, Anca, Stephan Seeliger, Jan Ehrchen, et al.. (2006). Site of Blood Vessel Damage and Relevance of CD18 in a Murine Model of Immune Complex-Mediated Vasculitis. Journal of Investigative Dermatology. 127(2). 447–454. 24 indexed citations

19.

Stebut, Esther von, Jan Ehrchen, Yasmine Belkaid, et al.. (2003). Interleukin 1α Promotes Th1 Differentiation and Inhibits Disease Progression in Leishmania major –susceptible BALB/c Mice. The Journal of Experimental Medicine. 198(2). 191–199. 134 indexed citations

20.

Ehrchen, Jan, et al.. (2001). Expression and regulation of osteopontin and connective tissue growth factor transcripts in rat anterior pituitary. Journal of Endocrinology. 169(1). 87–96. 23 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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