Thomas Griga

1.5k total citations
39 papers, 999 citations indexed

About

Thomas Griga is a scholar working on Genetics, Immunology and Surgery. According to data from OpenAlex, Thomas Griga has authored 39 papers receiving a total of 999 indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Genetics, 15 papers in Immunology and 13 papers in Surgery. Recurrent topics in Thomas Griga's work include Inflammatory Bowel Disease (26 papers), Microscopic Colitis (9 papers) and Immune Response and Inflammation (6 papers). Thomas Griga is often cited by papers focused on Inflammatory Bowel Disease (26 papers), Microscopic Colitis (9 papers) and Immune Response and Inflammation (6 papers). Thomas Griga collaborates with scholars based in Germany, Switzerland and United Kingdom. Thomas Griga's co-authors include A Tromm, Wolfram Klein, Jörg T. Epplen, Wolff Schmiegel, C Folwaczny, Frank Brasch, Michael Hocke, Harald Fricke, M. Marx and Christian Folwaczny and has published in prestigious journals such as Gastroenterology, Gut and The American Journal of Gastroenterology.

In The Last Decade

Thomas Griga

39 papers receiving 973 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Thomas Griga Germany 22 474 409 280 230 216 39 999
R Tersigni Italy 12 486 1.0× 574 1.4× 245 0.9× 313 1.4× 154 0.7× 44 1.2k
Wolfram Klein Germany 22 443 0.9× 570 1.4× 195 0.7× 253 1.1× 212 1.0× 36 1.1k
Sharon B. Hoang United States 7 363 0.8× 677 1.7× 176 0.6× 320 1.4× 190 0.9× 9 1000
Jan M. H. van den Brande Netherlands 7 408 0.9× 349 0.9× 243 0.9× 135 0.6× 237 1.1× 8 994
J Gordon United Kingdom 24 385 0.8× 596 1.5× 310 1.1× 244 1.1× 326 1.5× 47 1.4k
Ulrike Billmeier Germany 11 368 0.8× 445 1.1× 196 0.7× 122 0.5× 191 0.9× 16 847
D. Berrebi France 16 334 0.7× 267 0.7× 317 1.1× 345 1.5× 440 2.0× 31 1.2k
Cornelia Tillack Germany 22 861 1.8× 691 1.7× 489 1.7× 328 1.4× 169 0.8× 33 1.5k
Steffen Bank Denmark 20 275 0.6× 328 0.8× 270 1.0× 232 1.0× 215 1.0× 31 1.0k
Spyros I. Siakavellas Greece 21 336 0.7× 358 0.9× 435 1.6× 226 1.0× 153 0.7× 48 993

Countries citing papers authored by Thomas Griga

Since Specialization
Citations

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

Fields of papers citing papers by Thomas Griga

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Thomas Griga

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

All Works

20 of 20 papers shown
1.
Glas, Jürgen, Johannes Stallhofer, Stephan Ripke, et al.. (2009). Novel Genetic Risk Markers for Ulcerative Colitis in the IL2/IL21 Region Are in Epistasis With IL23R and Suggest a Common Genetic Background for Ulcerative Colitis and Celiac Disease. The American Journal of Gastroenterology. 104(7). 1737–1744. 63 indexed citations
2.
Török, Helga‐Paula, Martin Wetzke, Vanessa Beynon, et al.. (2007). The 14-bp deletion polymorphism in the HLA-G gene displays significant differences between ulcerative colitis and Crohn's disease and is associated with ileocecal resection in Crohn's disease. International Immunology. 19(5). 621–626. 41 indexed citations
3.
Török, Helga‐Paula, Jürgen Glas, P Lohse, et al.. (2005). Polymorphisms in the DLG5 and OCTN cation transporter genes in Crohn’s disease. Gut. 54(10). 1421–1427. 114 indexed citations
4.
Klein, Wolfram, et al.. (2005). A case–control study of tyrosine phosphatase (PTPN22) confirms the lack of association with Crohn's disease. International Journal of Immunogenetics. 32(5). 323–324. 21 indexed citations
5.
Jagiello, Peter, Denis A. Akkad, Larissa Arning, et al.. (2005). On the genetic involvement of apoptosis-related genes in Crohn's disease as revealed by an extended association screen using 245 markers: no evidence for new predisposing factors. Journal of Negative Results in BioMedicine. 4(1). 8–8. 3 indexed citations
6.
Griga, Thomas, et al.. (2005). Association between the promoter polymorphism T/C at position -159 of the CD14 gene and anti-inflammatory therapy in patients with inflammatory bowel disease.. PubMed. 10(5). 183–6. 9 indexed citations
7.
Klein, Wolfram, A Tromm, Christian Folwaczny, et al.. (2004). A polymorphism of the NFKBIA gene is associated with Crohn's disease patients lacking a predisposing allele of the CARD15 gene. International Journal of Colorectal Disease. 19(2). 153–156. 59 indexed citations
8.
Griga, Thomas, et al.. (2004). Collagenous colitis. European Journal of Gastroenterology & Hepatology. 16(4). 397–402. 31 indexed citations
9.
Klein, Wolfram, A Tromm, C Folwaczny, et al.. (2004). The G2964A polymorphism of the STAT6 gene in inflammatory bowel disease. Digestive and Liver Disease. 37(3). 159–161. 22 indexed citations
10.
Klein, Wolfram, A Tromm, Thomas Griga, et al.. (2002). A Polymorphism in the CD14 Gene is Associated with Crohn Disease. Scandinavian Journal of Gastroenterology. 37(2). 189–191. 79 indexed citations
11.
Klein, Wolfram, A Tromm, Thomas Griga, et al.. (2002). A polymorphism in the IL11 gene is associated with ulcerative colitis. Genes and Immunity. 3(8). 494–496. 29 indexed citations
12.
Griga, Thomas, H.-W. Duchna, Maritta Orth, et al.. (2002). Tuberculous involvement of the oesophagus with oesophagobroncheal fistula. Digestive and Liver Disease. 34(7). 528–531. 12 indexed citations
13.
Klein, Wolfram, A Tromm, Thomas Griga, et al.. (2001). The polymorphism at position –174 of the IL-6 gene is not associated with inflammatory bowel disease. European Journal of Gastroenterology & Hepatology. 13(1). 45–47. 34 indexed citations
14.
Tromm, A, et al.. (2001). Assoziation von primär sklerosierender Cholangitis und Sarkoidose. Medizinische Klinik. 96(9). 550–554. 3 indexed citations
15.
Klein, Wolfram, A Tromm, Thomas Griga, et al.. (2000). TheIL-10 gene is not involved in the predisposition to inflammatory bowel disease. Electrophoresis. 21(17). 3578–3582. 33 indexed citations
16.
Griga, Thomas, et al.. (2000). Overlap syndrome between autoimmune hepatitis and primary sclerosing cholangitis in two cases. European Journal of Gastroenterology & Hepatology. 12(5). 559–564. 11 indexed citations
17.
Griga, Thomas, et al.. (1999). Increased production of vascular endothelial growth factor by peripheral blood mononuclear cells in patients with inflammatory bowel disease. European Journal of Gastroenterology & Hepatology. 11(2). 175–180. 30 indexed citations
18.
19.
Griga, Thomas, et al.. (1999). Polymyositis of the skeletal muscles as an extraintestinal complication in quiescent ulcerative colitis. International Journal of Colorectal Disease. 14(6). 304–307. 21 indexed citations
20.
Josten, Christoph, et al.. (1991). [Immunostimulation with ibuprofen in chronic osteitis. An experimental study].. PubMed. 94(4). 191–3. 2 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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