Antone R. Opekun

9.8k total citations · 3 hit papers
114 papers, 7.3k citations indexed

About

Antone R. Opekun is a scholar working on Surgery, Gastroenterology and Infectious Diseases. According to data from OpenAlex, Antone R. Opekun has authored 114 papers receiving a total of 7.3k indexed citations (citations by other indexed papers that have themselves been cited), including 50 papers in Surgery, 32 papers in Gastroenterology and 24 papers in Infectious Diseases. Recurrent topics in Antone R. Opekun's work include Helicobacter pylori-related gastroenterology studies (40 papers), Gastroesophageal reflux and treatments (24 papers) and Viral gastroenteritis research and epidemiology (19 papers). Antone R. Opekun is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (40 papers), Gastroesophageal reflux and treatments (24 papers) and Viral gastroenteritis research and epidemiology (19 papers). Antone R. Opekun collaborates with scholars based in United States, Japan and Mexico. Antone R. Opekun's co-authors include David Y. Graham, Mary K. Estes, Robert L. Atmar, Mark A. Gilger, Sue E. Crawford, Frederick H. Neill, Field F. Willingham, Waqar Qureshi, Sasirekha Ramani and David Y. Graham and has published in prestigious journals such as Science, New England Journal of Medicine and SHILAP Revista de lepidopterología.

In The Last Decade

Antone R. Opekun

112 papers receiving 7.1k citations

Hit Papers

Replication of human noroviruses in stem cell–de... 2008 2026 2014 2020 2016 2008 2015 250 500 750 1000
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.

  1. Replication of human noroviruses in stem cell–derived human enteroids
    2016 1.0k citations Khalil Ettayebi, Sue E. Crawford et al. Science profile →
  2. Norwalk Virus Shedding after Experimental Human Infection
    2008 558 citations Robert L. Atmar, Antone R. Opekun et al. profile →
  3. Human Intestinal Enteroids: a New Model To Study Human Rotavirus Infection, Host Restriction, and Pathophysiology
    2015 285 citations Sarah E. Blutt, Khalil Ettayebi et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Antone R. Opekun United States 40 3.2k 2.3k 1.3k 1.2k 1.1k 114 7.3k
Merja Roivainen Finland 49 3.5k 1.1× 1.1k 0.5× 2.2k 1.7× 475 0.4× 3.7k 3.3× 181 8.0k
Ingrid Arijs Belgium 36 1.9k 0.6× 1.3k 0.6× 2.7k 2.1× 473 0.4× 954 0.9× 75 7.0k
Jörg M. Steiner United States 54 2.1k 0.7× 2.4k 1.0× 1.2k 1.0× 575 0.5× 222 0.2× 316 9.8k
Didier Hober France 38 2.1k 0.7× 590 0.3× 1.5k 1.2× 270 0.2× 1.4k 1.2× 233 5.5k
Kenneth W. Simpson United States 45 1.7k 0.5× 1.9k 0.8× 1.3k 1.0× 549 0.4× 168 0.2× 204 8.6k
Alexander Swidsinski Germany 40 1.7k 0.5× 1.4k 0.6× 1.9k 1.5× 764 0.6× 270 0.2× 80 8.4k
Banumathi Ramakrishna India 45 1.6k 0.5× 1.6k 0.7× 966 0.8× 793 0.6× 73 0.1× 258 7.2k
Giovanni Cammarota Italy 62 3.1k 1.0× 4.7k 2.0× 1.5k 1.2× 4.2k 3.4× 203 0.2× 354 14.0k
Ralph A. Giannella United States 44 2.0k 0.6× 816 0.3× 915 0.7× 551 0.4× 81 0.1× 121 6.4k
Angélica T. Vieira Brazil 42 1.0k 0.3× 723 0.3× 561 0.4× 387 0.3× 210 0.2× 81 7.1k

Countries citing papers authored by Antone R. Opekun

Since Specialization
Citations

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

Fields of papers citing papers by Antone R. Opekun

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Antone R. Opekun. 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 Antone R. Opekun. The network helps show where Antone R. Opekun may publish in the future.

Co-authorship network of co-authors of Antone R. Opekun

This figure shows the co-authorship network connecting the top 25 collaborators of Antone R. Opekun. A scholar is included among the top collaborators of Antone R. Opekun 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 Antone R. Opekun. Antone R. Opekun 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.
Opekun, Antone R., Michael A. Grusak, Amy Hui‐Mei Lin, et al.. (2025). Stunted African toddlers digest and obtain energy from energy-dense thick sorghum porridge. European Journal of Clinical Nutrition. 79(10). 1018–1028.
2.
Shaiken, Tattym E., Sandra L. Grimm, Abdol-Hossein Rezaeian, et al.. (2023). Transcriptome, proteome, and protein synthesis within the intracellular cytomatrix. iScience. 26(2). 105965–105965. 4 indexed citations
3.
Opekun, Antone R., Donna L. White, Daniel Rosen, et al.. (2020). Serum Levels of Lipopolysaccharides and Risk of Advanced Colorectal Adenoma. 0(0). 1–6. 3 indexed citations
4.
Mindikoglu, Ayse L., Cristian Coarfa, Antone R. Opekun, et al.. (2019). Metabolomic Biomarkers are Associated With Mortality in Patients With Cirrhosis Caused By Primary Biliary Cholangitis Or Primary Sclerosing Cholangitis. Future Science OA. 6(2). FSO441–FSO441. 8 indexed citations
5.
6.
Ettayebi, Khalil, Sue E. Crawford, Kosuke Murakami, et al.. (2016). Replication of human noroviruses in stem cell–derived human enteroids. Science. 353(6306). 1387–1393. 1028 indexed citations breakdown →
7.
Shaiken, Tattym E. & Antone R. Opekun. (2014). Dissecting the cell to nucleus, perinucleus and cytosol. Scientific Reports. 4(1). 4923–4923. 48 indexed citations
8.
Atmar, Robert L., Antone R. Opekun, Mark A. Gilger, et al.. (2013). Determination of the 50% Human Infectious Dose for Norwalk Virus. The Journal of Infectious Diseases. 209(7). 1016–1022. 232 indexed citations
9.
Kavanagh, Owen, Mary K. Estes, Ravikiran M. Raju, et al.. (2011). Serological Responses to Experimental Norwalk Virus Infection Measured Using a Quantitative Duplex Time-Resolved Fluorescence Immunoassay. Clinical and Vaccine Immunology. 18(7). 1187–1190. 19 indexed citations
10.
Quezada‐Calvillo, Roberto, Claudia C. Robayo‐Torres, Antone R. Opekun, et al.. (2007). Contribution of Mucosal Maltase-Glucoamylase Activities to Mouse Small Intestinal Starch α-Glucogenesis3. Journal of Nutrition. 137(7). 1725–1733. 63 indexed citations
11.
Opekun, Antone R., et al.. (2005). Effect of the Carbonic Anhydrase Inhibitor, Acetazolamide, on Helicobacter pylori Infection in vivo: A Pilot Study. Helicobacter. 10(2). 136–138. 16 indexed citations
12.
Graham, David Y., Antone R. Opekun, Yoshio Yamaoka, et al.. (2003). Studies Regarding The Mechanism of False Negative Urea Breath Tests With Proton Pump Inhibitors. The American Journal of Gastroenterology. 98(5). 1005–1009. 120 indexed citations
13.
Opekun, Antone R., et al.. (2002). Urea breath testing and analysis in the primary care office.. PubMed. 51(12). 1030–2. 7 indexed citations
14.
Gilger, Mark A., et al.. (2000). Efficacy of Ursodeoxycholic Acid in the Treatment of Primary Sclerosing Cholangitis in Children. Journal of Pediatric Gastroenterology and Nutrition. 31(2). 136–141. 2 indexed citations
15.
Opekun, Antone R., et al.. (2000). Helicobacter pylori Infection in Children of Texas. Journal of Pediatric Gastroenterology and Nutrition. 31(4). 405–410. 56 indexed citations
16.
Ball, Judith M., Mary K. Estes, M. E. Hardy, et al.. (1996). Recombinant Norwalk virus-like particles as an oral vaccine. PubMed. 12. 243–249. 24 indexed citations
17.
Graham, David Y., Antone R. Opekun, & Peter Klein. (1993). Clarithromycin for the Eradication of Helicobacter Pylori. Journal of Clinical Gastroenterology. 16(4). 292–294. 60 indexed citations
18.
Graham, David Y., Antone R. Opekun, Ginger M. Lew, Peter Klein, & John H. Walsh. (1991). Helicobacter pylori-associated exaggerated gastrin release in duodenal ulcer patients. Gastroenterology. 100(6). 1571–1575. 31 indexed citations
19.
Graham, David Y., Antone R. Opekun, Ginger M. Lew, et al.. (1990). Ablation of exaggerated meal-stimulated gastrin release in duodenal ulcer patients after clearance of Helicobacter (Campylobacter) pylori infection.. PubMed. 85(4). 394–8. 147 indexed citations
20.

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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