James C. Ryan

6.0k total citations · 1 hit paper
102 papers, 4.9k citations indexed

About

James C. Ryan is a scholar working on Immunology, Molecular Biology and Epidemiology. According to data from OpenAlex, James C. Ryan has authored 102 papers receiving a total of 4.9k indexed citations (citations by other indexed papers that have themselves been cited), including 49 papers in Immunology, 21 papers in Molecular Biology and 11 papers in Epidemiology. Recurrent topics in James C. Ryan's work include Immune Cell Function and Interaction (43 papers), T-cell and B-cell Immunology (36 papers) and Marine Toxins and Detection Methods (9 papers). James C. Ryan is often cited by papers focused on Immune Cell Function and Interaction (43 papers), T-cell and B-cell Immunology (36 papers) and Marine Toxins and Detection Methods (9 papers). James C. Ryan collaborates with scholars based in United States, Norway and United Kingdom. James C. Ryan's co-authors include William E. Seaman, Eréne C. Niemi, Frances M. Van Dolah, Jeanine S. Morey, Mary C. Nakamura, Lewis L. Lanier, John Torgils Vaage, Christian Naper, Jacquelyn J. Maher and Pablo León and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Nucleic Acids Research and Journal of Biological Chemistry.

In The Last Decade

James C. Ryan

101 papers receiving 4.8k 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.

Binding and uptake of H-ferritin are mediated by human transferrin receptor-1

2010 457 citations Li Li, Celia J. Fang et al. Proceedings of the National Academy of Sciences profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
James C. Ryan United States	35	2.7k	1.3k	541	424	419	102	4.9k
Charles T. Lutz United States	37	1.7k 0.6×	1.0k 0.8×	611 1.1×	186 0.4×	351 0.8×	109	4.1k
Zou Xiang China	38	1.4k 0.5×	2.0k 1.5×	302 0.6×	98 0.2×	245 0.6×	138	4.8k
Ziv Porat Israel	36	995 0.4×	2.0k 1.5×	518 1.0×	261 0.6×	313 0.7×	97	4.3k
Shangwu Chen China	33	1.8k 0.7×	2.0k 1.5×	375 0.7×	68 0.2×	370 0.9×	113	4.3k
Rui Song China	35	1.1k 0.4×	2.2k 1.7×	273 0.5×	104 0.2×	499 1.2×	134	4.8k
Jeffrey C. Edberg United States	45	3.4k 1.3×	2.0k 1.6×	517 1.0×	631 1.5×	615 1.5×	123	6.8k
Wanling Yang China	35	1.3k 0.5×	1.2k 1.0×	275 0.5×	152 0.4×	266 0.6×	146	3.6k
Chen Zhao China	33	662 0.2×	2.5k 1.9×	901 1.7×	388 0.9×	287 0.7×	96	4.7k
Henk G. Stunnenberg Netherlands	25	1.0k 0.4×	4.5k 3.5×	262 0.5×	181 0.4×	254 0.6×	44	6.4k
Hans‐Werner Lahm Switzerland	23	1.3k 0.5×	1.8k 1.4×	347 0.6×	389 0.9×	211 0.5×	32	3.8k

Countries citing papers authored by James C. Ryan

Since Specialization

Citations

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

Fields of papers citing papers by James C. Ryan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James C. Ryan. 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 James C. Ryan. The network helps show where James C. Ryan may publish in the future.

Co-authorship network of co-authors of James C. Ryan

This figure shows the co-authorship network connecting the top 25 collaborators of James C. Ryan. A scholar is included among the top collaborators of James C. Ryan 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 James C. Ryan. James C. Ryan 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

Wallace, Arthur W., et al.. (2021). Association of the patterns of use of medications with mortality of COVID-19 infection: a hospital-based observational study. BMJ Open. 11(12). e050051–e050051. 6 indexed citations

Shoemaker, Ritchie C., Dennis E. House, & James C. Ryan. (2014). Structural brain abnormalities in patients with inflammatory illness acquired following exposure to water-damaged buildings: A volumetric MRI study using NeuroQuant®. Neurotoxicology and Teratology. 45. 18–26. 14 indexed citations

Li, Li, Celia J. Fang, James C. Ryan, et al.. (2010). Binding and uptake of H-ferritin are mediated by human transferrin receptor-1. Proceedings of the National Academy of Sciences. 107(8). 3505–3510. 457 indexed citations breakdown →

Twiner, Michael J., James C. Ryan, Jeanine S. Morey, et al.. (2008). Transcriptional profiling and inhibition of cholesterol biosynthesis in human T lymphocyte cells by the marine toxin azaspiracid. Genomics. 91(3). 289–300. 30 indexed citations

Kveberg, Lise, Ke‐Zheng Dai, Marit Inngjerdingen, et al.. (2006). The Novel Inhibitory NKR-P1C Receptor and Ly49s3 Identify Two Complementary, Functionally Distinct NK Cell Subsets in Rats. The Journal of Immunology. 176(7). 4133–4140. 35 indexed citations

Morey, Jeanine S., James C. Ryan, & Frances M. Van Dolah. (2006). Microarray validation: factors influencing correlation between oligonucleotide microarrays and real-time PCR. Biological Procedures Online. 8(1). 175–193. 439 indexed citations

Naper, Christian, Ke‐Zheng Dai, Lise Kveberg, et al.. (2005). Two Structurally Related Rat Ly49 Receptors with Opposing Functions (Ly49 Stimulatory Receptor 5 and Ly49 Inhibitory Receptor 5) Recognize Nonclassical MHC Class Ib-Encoded Target Ligands. The Journal of Immunology. 174(5). 2702–2711. 30 indexed citations

Ryan, James C., Jeanine S. Morey, John S. Ramsdell, & Frances M. Van Dolah. (2005). Acute phase gene expression in mice exposed to the marine neurotoxin domoic acid. Neuroscience. 136(4). 1121–1132. 52 indexed citations

Hoelsbrekken, Sigurd Erik, et al.. (2003). Cutting Edge: Molecular Cloning of a Killer Cell Ig-Like Receptor in the Mouse and Rat. The Journal of Immunology. 170(5). 2259–2263. 67 indexed citations

10.

Inngjerdingen, Marit, Bent Rolstad, & James C. Ryan. (2003). Activating and Inhibitory Ly49 Receptors Modulate NK Cell Chemotaxis to CXC Chemokine Ligand (CXCL) 10 and CXCL12. The Journal of Immunology. 171(6). 2889–2895. 28 indexed citations

11.

Scheckel, Kirk G. & James C. Ryan. (2003). In vitro formation of pyromorphite via reaction of Pb sources with soft-drink phosphoric acid. The Science of The Total Environment. 302(1-3). 253–265. 43 indexed citations

12.

Naper, Christian, Shigenari Hayashi, Lise Kveberg, et al.. (2002). Characterization of a Novel Killer Cell Lectin-Like Receptor (KLRH1) Expressed by Alloreactive Rat NK Cells. The Journal of Immunology. 168(10). 5147–5154. 26 indexed citations

13.

Naper, Christian, Shigenari Hayashi, Lise Kveberg, et al.. (2002). Ly-49s3 Is a Promiscuous Activating Rat NK Cell Receptor for Nonclassical MHC Class I-Encoded Target Ligands. The Journal of Immunology. 169(1). 22–30. 34 indexed citations

14.

Ryan, James C., Sergey L. Znoiko, Lin Xu, Rosalie K. Crouch, & Jian‐xing Ma. (2000). Salamander rods and cones contain distinct transducin alpha subunits. Visual Neuroscience. 17(6). 847–854. 5 indexed citations

15.

Nakamura, Mary C., Shigenari Hayashi, Eréne C. Niemi, James C. Ryan, & William E. Seaman. (2000). Activating Ly-49d and Inhibitory Ly-49a Natural Killer Cell Receptors Demonstrate Distinct Requirements for Interaction with H2-Dd. The Journal of Experimental Medicine. 192(3). 447–454. 24 indexed citations

16.

Kumaresan, Pappanaicken R., Susan E. Stepp, Samuel S. Chuang, et al.. (2000). Molecular characterization of the rat NK cell receptor 2B4. Molecular Immunology. 37(12-13). 735–744. 4 indexed citations

17.

Eriksson, Mikael, Guenther Leitz, Erik Fällman, et al.. (1999). Inhibitory Receptors Alter Natural Killer Cell Interactions with Target Cells Yet Allow Simultaneous Killing of Susceptible Targets. The Journal of Experimental Medicine. 190(7). 1005–1012. 80 indexed citations

18.

Nakamura, Mary C., Eréne C. Niemi, Mark Fisher, et al.. (1997). Mouse Ly-49A Interrupts Early Signaling Events in Natural Killer Cell Cytotoxicity and Functionally Associates with the SHP-1 Tyrosine Phosphatase. The Journal of Experimental Medicine. 185(4). 673–684. 181 indexed citations

19.

Ryan, James C.. (1996). Premalignant conditions of the small intestine.. PubMed. 7(2). 88–93. 21 indexed citations

20.

Rabin, Mark, M. Watson, P E Barker, et al.. (1984). <i>NRAS </i>transforming gene maps to region p11→p13 on chromosome 1 by in situ hybridization. Cytogenetic and Genome Research. 38(1). 70–72. 51 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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