Udo Helmchen

6.4k total citations · 1 hit paper
110 papers, 4.8k citations indexed

About

Udo Helmchen is a scholar working on Nephrology, Molecular Biology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Udo Helmchen has authored 110 papers receiving a total of 4.8k indexed citations (citations by other indexed papers that have themselves been cited), including 46 papers in Nephrology, 22 papers in Molecular Biology and 22 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Udo Helmchen's work include Renal Diseases and Glomerulopathies (34 papers), Cell Adhesion Molecules Research (11 papers) and Coagulation, Bradykinin, Polyphosphates, and Angioedema (10 papers). Udo Helmchen is often cited by papers focused on Renal Diseases and Glomerulopathies (34 papers), Cell Adhesion Molecules Research (11 papers) and Coagulation, Bradykinin, Polyphosphates, and Angioedema (10 papers). Udo Helmchen collaborates with scholars based in Germany, United States and France. Udo Helmchen's co-authors include Rolf A.K. Stahl, Gunther Zahner, Friedrich Thaiss, Elion Hoxha, Catherine Meyer‐Schwesinger, Günter Wolf, Nicola M. Tomas, Ulrich Wenzel, U. Kneissler and André Schneider and has published in prestigious journals such as New England Journal of Medicine, Circulation and Journal of Clinical Investigation.

In The Last Decade

Udo Helmchen

105 papers receiving 4.7k citations

Hit Papers

align trajectories sort by overperformance

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.

Thrombospondin Type-1 Domain-Containing 7A in Idiopathic Membranous Nephropathy

2014 641 citations Nicola M. Tomas, Laurence H. Beck et al. New England Journal of Medicine profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Udo Helmchen	2.1k	1.1k	949	942	711	110	4.8k
Kengo Furuichi	2.2k 1.0×	1.3k 1.2×	1.4k 1.5×	701 0.7×	416 0.6×	179	5.6k
Hans J. Baelde	1.5k 0.7×	1.8k 1.7×	1.1k 1.2×	814 0.9×	405 0.6×	160	5.8k
Tammo Ostendorf	2.0k 0.9×	2.0k 1.8×	790 0.8×	651 0.7×	382 0.5×	98	5.1k
Michio Nagata	2.7k 1.2×	2.1k 2.0×	762 0.8×	707 0.8×	479 0.7×	201	5.7k
Jan J. Weening	2.4k 1.1×	2.1k 1.9×	1.7k 1.8×	1.4k 1.5×	628 0.9×	127	6.5k
Helen Liapis	2.2k 1.0×	2.5k 2.3×	977 1.0×	1.4k 1.5×	672 0.9×	145	6.6k
Catherine Meyer‐Schwesinger	2.2k 1.0×	1.3k 1.2×	1.3k 1.4×	640 0.7×	678 1.0×	93	4.6k
Michel Le Hir	1.2k 0.6×	2.1k 1.9×	1.2k 1.3×	625 0.7×	403 0.6×	87	5.0k
Alfred F. Michael	2.4k 1.1×	1.1k 1.0×	1.2k 1.2×	792 0.8×	536 0.8×	126	5.9k
Giuseppe A. Andres	1.7k 0.8×	886 0.8×	1.3k 1.4×	735 0.8×	325 0.5×	138	4.7k

Countries citing papers authored by Udo Helmchen

Since Specialization

Citations

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

Fields of papers citing papers by Udo Helmchen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Udo Helmchen

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

Hoxha, Elion, Laurence H. Beck, Thorsten Wiech, et al.. (2016). An Indirect Immunofluorescence Method Facilitates Detection of Thrombospondin Type 1 Domain–Containing 7A–Specific Antibodies in Membranous Nephropathy. Journal of the American Society of Nephrology. 28(2). 520–531. 152 indexed citations

Prejbisz, Aleksander, Lorenz Sellin, Magdalena Woznowski, et al.. (2015). Smaller caliber renal arteries are a novel feature of uromodulin-associated kidney disease. Kidney International. 88(1). 160–166. 4 indexed citations

Sadowski, Carolin E., Kirsten Møller, Michael van Husen, et al.. (2015). Response to cyclosporine in steroid-resistant nephrotic syndrome: discontinuation is possible. Pediatric Nephrology. 30(9). 1477–1483. 21 indexed citations

Hoxha, Elion, Sigrid Harendza, Hans O. Pinnschmidt, et al.. (2015). Spontaneous remission of proteinuria is a frequent event in phospholipase A₂receptor antibody-negative patients with membranous nephropathy. Nephrology Dialysis Transplantation. 30(11). 1862–1869. 42 indexed citations

Tomas, Nicola M., Laurence H. Beck, Catherine Meyer‐Schwesinger, et al.. (2014). Thrombospondin Type-1 Domain-Containing 7A in Idiopathic Membranous Nephropathy. New England Journal of Medicine. 371(24). 2277–2287. 641 indexed citations breakdown →

Hoxha, Elion, U. Kneissler, Gunther Zahner, et al.. (2012). Enhanced expression of the M-type phospholipase A2 receptor in glomeruli correlates with serum receptor antibodies in primary membranous nephropathy. Kidney International. 82(7). 797–804. 195 indexed citations

Meyer‐Schwesinger, Catherine, Tobias Meyer, Henning Sievert, et al.. (2011). Ubiquitin C-Terminal Hydrolase-L1 Activity Induces Polyubiquitin Accumulation in Podocytes and Increases Proteinuria in Rat Membranous Nephropathy. American Journal Of Pathology. 178(5). 2044–2057. 45 indexed citations

Steinmetz, Oliver M., Ulf Panzer, U. Kneissler, et al.. (2005). BCA-1/CXCL13 expression is associated with CXCR5-positive B-cell cluster formation in acute renal transplant rejection. Kidney International. 67(4). 1616–1621. 61 indexed citations

Panzer, Ulf, Oliver M. Steinmetz, Tobias Meyer, et al.. (2005). Compartment-Specific Expression and Function of the Chemokine IP-10/CXCL10 in a Model of Renal Endothelial Microvascular Injury. Journal of the American Society of Nephrology. 17(2). 454–464. 78 indexed citations

10.

Haberstroh, Uwe, Carmen Gómez‐Guerrero, Udo Helmchen, et al.. (2002). Expression of the chemokines MCP-1/CCL2 and RANTES/CCL5 is differentially regulated by infiltrating inflammatory cells. Kidney International. 62(4). 1264–1276. 51 indexed citations

11.

Panzer, Ulf, Friedrich Thaiss, Gunther Zahner, et al.. (2001). Monocyte chemoattractant protein-1 and osteopontin differentially regulate monocytes recruitment in experimental glomerulonephritis. Kidney International. 59(5). 1762–1769. 91 indexed citations

12.

Schneider, André, Ulf Panzer, Gunther Zahner, et al.. (1999). Monocyte chemoattractant protein-1 mediates collagen deposition in experimental glomerulonephritis by transforming growth factor-β. Kidney International. 56(1). 135–144. 90 indexed citations

13.

Schumacher, Valerié, K Schärer, Elke Wühl, et al.. (1998). Spectrum of early onset nephrotic syndrome associated with WT1 missense mutations. Kidney International. 53(6). 1594–1600. 105 indexed citations

14.

Helmchen, Udo, et al.. (1998). AT<sub>1</sub>-Receptor Antagonists Abolish Glomerular MCP-1 Expression in a Model of Mesangial Proliferative Glomerulonephritis. Nephron Experimental Nephrology. 6(2). 112–120. 51 indexed citations

15.

Hämling, Jens, Andreas Raedler, Udo Helmchen, & Stefan Schreiber. (1997). 5-Aminosalicylic Acid-Associated Renal Tubular Acidosis with Decreased Renal Function in Crohn’s Disease. Digestion. 58(3). 304–307. 27 indexed citations

16.

Olbricht, Christoph J., et al.. (1993). Glomerulonephritis Associated with Inflammatory Demyelinating Polyradiculoneuropathy: A Case Report and Review of the Literature. The Nephron journals/Nephron journals. 64(1). 139–141. 21 indexed citations

17.

Rüchel, R., et al.. (1991). Candidiasis visualised by proteinase-directed immunofluorescence. Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin. 419(3). 199–202. 36 indexed citations

18.

Stahl, Rolf A.K., et al.. (1990). Immune-mediated mesangial cell injury—Biosynthesis and function of prostanoids. Kidney International. 38(2). 273–281. 44 indexed citations

19.

Kallerhoff, M., et al.. (1988). Metabolic, energetic and structural changes in protected and unprotected kidneys at temperatures of 1 �C and 25 �C. Urological Research. 16(1). 57–62. 17 indexed citations

20.

Eisenhauer, T., H Hartmann, K. W. Rumpf, et al.. (1984). Favourable Outcome of Hepatic Veno-Occlusive Disease in a Renal Transplant Patient Receiving Azathioprine, Treated by Portacaval Shunt. Digestion. 30(3). 185–190. 21 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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