Michel Warny

6.1k total citations · 3 hit papers
31 papers, 4.8k citations indexed

About

Michel Warny is a scholar working on Infectious Diseases, Epidemiology and Immunology. According to data from OpenAlex, Michel Warny has authored 31 papers receiving a total of 4.8k indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Infectious Diseases, 13 papers in Epidemiology and 7 papers in Immunology. Recurrent topics in Michel Warny's work include Clostridium difficile and Clostridium perfringens research (19 papers), Microscopic Colitis (11 papers) and Viral gastroenteritis research and epidemiology (6 papers). Michel Warny is often cited by papers focused on Clostridium difficile and Clostridium perfringens research (19 papers), Microscopic Colitis (11 papers) and Viral gastroenteritis research and epidemiology (6 papers). Michel Warny collaborates with scholars based in United States, Belgium and Canada. Michel Warny's co-authors include Ciarán P. Kelly, Amir Qamar, Lorraine Kyne, Angela Thompson, L. Clifford McDonald, Aiqi Fang, John Brazier, Éric Frost, Jean‐Louis Pépin and George Killgore and has published in prestigious journals such as New England Journal of Medicine, The Lancet and Journal of Biological Chemistry.

In The Last Decade

Michel Warny

31 papers receiving 4.7k 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.

Toxin production by an emerging strain of Clostridium difficile associated with outbreaks of severe disease in North America and Europe

2005 1.1k citations Michel Warny, Jean‐Louis Pépin et al. The Lancet profile →
Asymptomatic Carriage ofClostridium difficileand Serum Levels of IgG Antibody against Toxin A

2000 747 citations Lorraine Kyne, Michel Warny et al. New England Journal of Medicine profile →
Association between antibody response to toxin A and protection against recurrent Clostridium difficile diarrhoea

2001 621 citations Lorraine Kyne, Michel Warny et al. The Lancet profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Michel Warny United States	23	3.7k	2.7k	985	641	536	31	4.8k
David M. Lyerly United States	44	4.7k 1.2×	1.7k 0.6×	1.1k 1.1×	867 1.4×	939 1.8×	94	5.8k
Cirle A. Warren United States	29	1.4k 0.4×	501 0.2×	267 0.3×	521 0.8×	122 0.2×	82	2.5k
Asia Gobourne United States	9	2.2k 0.6×	784 0.3×	372 0.4×	3.0k 4.7×	431 0.8×	10	4.6k
Eric R. Littmann United States	18	1.9k 0.5×	733 0.3×	293 0.3×	2.8k 4.4×	394 0.7×	35	4.3k
Olga Zaborina United States	33	590 0.2×	327 0.1×	1.1k 1.1×	1.8k 2.7×	156 0.3×	72	3.5k
John N. Sheagren United States	28	1.2k 0.3×	980 0.4×	465 0.5×	455 0.7×	471 0.9×	81	3.0k
Stephen M. Riordan Australia	37	686 0.2×	2.9k 1.1×	1.2k 1.2×	1.0k 1.6×	684 1.3×	125	6.1k
Mark S. Gresnigt Netherlands	34	1.7k 0.5×	1.6k 0.6×	113 0.1×	1.2k 1.9×	1.4k 2.7×	76	4.2k
Lauren Lipuma United States	11	1.3k 0.3×	628 0.2×	249 0.3×	1.5k 2.3×	853 1.6×	12	3.2k
Judd E. Shellito United States	36	1.4k 0.4×	2.2k 0.8×	267 0.3×	1.1k 1.6×	3.0k 5.7×	113	6.3k

Countries citing papers authored by Michel Warny

Since Specialization

Citations

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

Fields of papers citing papers by Michel Warny

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Michel Warny

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

Greenberg, Richard N., Thomas Marbury, Ginamarie Foglia, & Michel Warny. (2012). Phase I dose finding studies of an adjuvanted Clostridium difficile toxoid vaccine. Vaccine. 30(13). 2245–2249. 73 indexed citations

Joshi, Sangeeta B., et al.. (2008). Physical Characterization of Clostridium Difficile Toxins and Toxoids: Effect of the Formaldehyde Crosslinking on Thermal Stability. Journal of Pharmaceutical Sciences. 97(9). 3735–3752. 32 indexed citations

Sougioultzis, Stavros, Lorraine Kyne, Denise Drudy, et al.. (2005). Clostridium difficile toxoid vaccine in recurrent C. difficile-associated diarrhea. Gastroenterology. 128(3). 764–770. 196 indexed citations

Warny, Michel, Jean‐Louis Pépin, Aiqi Fang, et al.. (2005). Toxin production by an emerging strain of Clostridium difficile associated with outbreaks of severe disease in North America and Europe. The Lancet. 366(9491). 1079–1084. 1138 indexed citations breakdown →

Berberat, Pascal O., Yousif I. A-Rahim, Kenichiro Yamashita, et al.. (2005). Heme Oxygenase-1-Generated Biliverdin Ameliorates Experimental Murine Colitis. Inflammatory Bowel Diseases. 11(4). 350–359. 90 indexed citations

Zaman, Munir M., Andrés Gelrud, Omer Junaidi, et al.. (2004). Interleukin 8 Secretion from Monocytes of Subjects Heterozygous for the ΔF508 Cystic Fibrosis Transmembrane Conductance Regulator Gene Mutation Is Altered. Clinical and Vaccine Immunology. 11(5). 819–824. 72 indexed citations

Giannasca, Paul J. & Michel Warny. (2003). Active and passive immunization against Clostridium difficile diarrhea and colitis. Vaccine. 22(7). 848–856. 89 indexed citations

Qamar, Amir, Samer Aboudola, Michel Warny, et al.. (2001). Saccharomyces boulardiiStimulates Intestinal Immunoglobulin A Immune Response toClostridium difficileToxin A in Mice. Infection and Immunity. 69(4). 2762–2765. 183 indexed citations

Robson, Simon C., Keiichi Enjyoji, Christian Goepfert, et al.. (2001). Modulation of extracellular nucleotide‐mediated signaling by CD39/nucleoside triphosphate diphosphohydrolase‐1. Drug Development Research. 53(2-3). 193–207. 20 indexed citations

10.

Kyne, Lorraine, Michel Warny, Amir Qamar, & Ciarán P. Kelly. (2001). Association between antibody response to toxin A and protection against recurrent Clostridium difficile diarrhoea. The Lancet. 357(9251). 189–193. 621 indexed citations breakdown →

11.

Warny, Michel, Samer Aboudola, Simon C. Robson, et al.. (2001). P2Y6 Nucleotide Receptor Mediates Monocyte Interleukin-8 Production in Response to UDP or Lipopolysaccharide. Journal of Biological Chemistry. 276(28). 26051–26056. 130 indexed citations

12.

Kyne, Lorraine, Michel Warny, Amir Qamar, & Ciarán P. Kelly. (2000). Asymptomatic Carriage ofClostridium difficileand Serum Levels of IgG Antibody against Toxin A. New England Journal of Medicine. 342(6). 390–397. 747 indexed citations breakdown →

13.

Hagen, Susan J., et al.. (2000). Clostridium difficile toxin A causes early damage to mitochondria in cultured cells. Gastroenterology. 119(1). 139–150. 89 indexed citations

14.

Warny, Michel, Andrew C. Keates, Sarah Keates, et al.. (2000). p38 MAP kinase activation by Clostridium difficile toxin A mediates monocyte necrosis, IL-8 production, and enteritis. Journal of Clinical Investigation. 105(8). 1147–1156. 168 indexed citations

15.

Keates, Sarah, Andrew C. Keates, Michel Warny, et al.. (1999). Differential Activation of Mitogen-Activated Protein Kinases in AGS Gastric Epithelial Cells by cag + and cag − Helicobacter pylori. The Journal of Immunology. 163(10). 5552–5559. 235 indexed citations

16.

Warny, Michel, Eileen F. Bostwick, D C Laine, et al.. (1999). Bovine immunoglobulin concentrate- Clostridium difficile retains C difficile toxin neutralising activity after passage through the human stomach and small intestine. Gut. 44(2). 212–217. 94 indexed citations

17.

Keates, Sarah, et al.. (1998). H. Pylori produces a soluble factor which inhibits ENA-78 chemokine production by AGS gastric epithelial cells. Gastroenterology. 114. A173–A173. 1 indexed citations

18.

Salcedo, José R., Sarah Keates, C Pothoulakis, et al.. (1997). Intravenous immunoglobulin therapy for severe Clostridium difficile colitis. Gut. 41(3). 366–370. 190 indexed citations

19.

Piéret, Françoise, Christian Sindic, Michel Warny, et al.. (1996). The anti-Hu syndrome: a clinical and immunological study of 7 cases.. PubMed. 96(2). 108–16. 10 indexed citations

20.

Warny, Michel, R Brenard, C. Cornù, Jean‐Paul Tomasi, & A.P. Geubel. (1993). Anti-neutrophil antibodies in chronic hepatitis and the effect of α-interferon therapy. Journal of Hepatology. 17(3). 294–300. 18 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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