Michael Graham Espey

15.7k total citations · 4 hit papers
107 papers, 12.6k citations indexed

About

Michael Graham Espey is a scholar working on Physiology, Molecular Biology and Biochemistry. According to data from OpenAlex, Michael Graham Espey has authored 107 papers receiving a total of 12.6k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Physiology, 29 papers in Molecular Biology and 22 papers in Biochemistry. Recurrent topics in Michael Graham Espey's work include Nitric Oxide and Endothelin Effects (49 papers), Eicosanoids and Hypertension Pharmacology (17 papers) and Neuroscience and Neuropharmacology Research (12 papers). Michael Graham Espey is often cited by papers focused on Nitric Oxide and Endothelin Effects (49 papers), Eicosanoids and Hypertension Pharmacology (17 papers) and Neuroscience and Neuropharmacology Research (12 papers). Michael Graham Espey collaborates with scholars based in United States, Germany and Poland. Michael Graham Espey's co-authors include David A. Wink, Katrina M. Miranda, Douglas D. Thomas, Mark Levine, Murali C. Krishna, Lisa A. Ridnour, Qi Chen, Andrew Y. Sun, Martin Feelisch and Garry R. Buettner and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of the American Chemical Society and Journal of Biological Chemistry.

In The Last Decade

Michael Graham Espey

106 papers receiving 12.2k citations

Hit Papers

A Rapid, Simple Spectroph... 2001 2026 2009 2017 2001 2005 2008 2007 1000 2.0k 3.0k
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. A Rapid, Simple Spectrophotometric Method for Simultaneous Detection of Nitrate and Nitrite
    2001 3.2k citations Katrina M. Miranda, Michael Graham Espey et al. profile →
  2. Pharmacologic ascorbic acid concentrations selectively kill cancer cells: Action as a pro-drug to deliver hydrogen peroxide to tissues
    2005 832 citations Qi Chen, Michael Graham Espey et al. Proceedings of the National Academy of Sciences profile →
  3. Pharmacologic doses of ascorbate act as a prooxidant and decrease growth of aggressive tumor xenografts in mice
    2008 676 citations Michael Graham Espey, Andrew Y. Sun et al. Proceedings of the National Academy of Sciences profile →
  4. Ascorbate in pharmacologic concentrations selectively generates ascorbate radical and hydrogen peroxide in extracellular fluid in vivo
    2007 554 citations Qi Chen, Michael Graham Espey 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 Career Trend Papers Cites
Michael Graham Espey United States 50 3.6k 3.1k 2.4k 1.5k 1.4k 107 12.6k
Giovanni E. Mann United Kingdom 62 3.3k 0.9× 5.6k 1.8× 1.0k 0.4× 1.2k 0.8× 1.6k 1.1× 224 13.7k
Isabella Dalle‐Donne Italy 56 2.5k 0.7× 6.2k 2.0× 1.2k 0.5× 682 0.5× 2.3k 1.7× 134 13.4k
Etsuo Niki Japan 72 2.2k 0.6× 5.8k 1.9× 3.5k 1.4× 772 0.5× 1.4k 1.0× 330 19.5k
Sushil K. Jain United States 63 4.0k 1.1× 3.6k 1.2× 1.8k 0.7× 1.4k 0.9× 1.2k 0.8× 318 14.9k
Aldo Milzani Italy 53 2.4k 0.7× 5.6k 1.8× 1.1k 0.5× 653 0.4× 2.2k 1.6× 132 12.4k
Ranieri Rossi Italy 55 2.6k 0.7× 6.0k 1.9× 1.2k 0.5× 722 0.5× 2.8k 2.0× 144 13.3k
Enrique Cadenas United States 74 5.0k 1.4× 10.9k 3.5× 1.8k 0.8× 1.4k 0.9× 1.8k 1.3× 224 21.2k
Milan Mazúr Slovakia 25 2.0k 0.6× 5.9k 1.9× 2.4k 1.0× 876 0.6× 890 0.6× 107 20.3k
Herbert de Groot Germany 57 1.9k 0.5× 3.0k 1.0× 1.2k 0.5× 917 0.6× 930 0.7× 247 10.2k
Hiroshi Ohkawa Japan 17 3.1k 0.9× 6.6k 2.1× 3.6k 1.5× 2.6k 1.7× 1.3k 0.9× 27 27.2k

Countries citing papers authored by Michael Graham Espey

Since Specialization
Citations

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

Fields of papers citing papers by Michael Graham Espey

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael Graham Espey. 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 Michael Graham Espey. The network helps show where Michael Graham Espey may publish in the future.

Co-authorship network of co-authors of Michael Graham Espey

This figure shows the co-authorship network connecting the top 25 collaborators of Michael Graham Espey. A scholar is included among the top collaborators of Michael Graham Espey 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 Michael Graham Espey. Michael Graham Espey 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.
Coleman, C. Norman, Jeffrey C. Buchsbaum, Pataje G.S. Prasanna, et al.. (2021). Moving Forward in the Next Decade: Radiation Oncology Sciences for Patient-Centered Cancer Care. JNCI Cancer Spectrum. 5(4). 5 indexed citations
2.
Kuszak, Adam J., Michael Graham Espey, Marni J. Falk, et al.. (2017). Nutritional Interventions for Mitochondrial OXPHOS Deficiencies: Mechanisms and Model Systems. Annual Review of Pathology Mechanisms of Disease. 13(1). 163–191. 20 indexed citations
3.
Patel, Vivek, Michael Graham Espey, Ravikumar Sitapara, et al.. (2016). Ascorbic Acid Attenuates Hyperoxia-Compromised Host Defense against Pulmonary Bacterial Infection. American Journal of Respiratory Cell and Molecular Biology. 55(4). 511–520. 17 indexed citations
4.
Basner, Jodi, Ulrich Stab Jensen, C. D. Jones, et al.. (2013). Measuring the evolution and output of cross-disciplinary collaborations within the NCI Physical Sciences-Oncology Centers Network. Research Evaluation. 22(5). 285–297. 26 indexed citations
5.
Donzelli, Sonia, Jenna F. DuMond, Jörg Heeren, et al.. (2012). Pharmacological Characterization of 1-Nitrosocyclohexyl Acetate, a Long-Acting Nitroxyl Donor That Shows Vasorelaxant and Antiaggregatory Effects. Journal of Pharmacology and Experimental Therapeutics. 344(2). 339–347. 13 indexed citations
6.
Levine, Mark, Sebastian J. Padayatty, & Michael Graham Espey. (2011). Vitamin C: A Concentration-Function Approach Yields Pharmacology and Therapeutic Discoveries. Advances in Nutrition. 2(2). 78–88. 238 indexed citations
7.
Espey, Michael Graham, et al.. (2010). Hyperoxia sensing: From molecular mechanisms to significance in disease. Journal of Immunotoxicology. 7(4). 239–254. 94 indexed citations
8.
Lei, Ying, Anne B. Hofseth, Elena Jelezcova, et al.. (2009). Differential effects of reactive nitrogen species on DNA base excision repair initiated by the alkyladenine DNA glycosylase. Carcinogenesis. 30(12). 2123–2129. 38 indexed citations
9.
Miersch, Shane, et al.. (2008). Plasma Membrane Cholesterol Content Affects Nitric Oxide Diffusion Dynamics and Signaling. Journal of Biological Chemistry. 283(27). 18513–18521. 49 indexed citations
10.
Chen, Qi, Michael Graham Espey, Andrew Y. Sun, et al.. (2007). Ascorbate in pharmacologic concentrations selectively generates ascorbate radical and hydrogen peroxide in extracellular fluid in vivo. Proceedings of the National Academy of Sciences. 104(21). 8749–8754. 554 indexed citations breakdown →
11.
Hofseth, Lorne J., Ana I. Robles, Michael Graham Espey, & Curtis C. Harris. (2005). Nitric Oxide Is a Signaling Molecule that Regulates Gene Expression. Methods in enzymology on CD-ROM/Methods in enzymology. 326–340. 14 indexed citations
12.
Isenberg, Jeff S., Lisa A. Ridnour, Douglas D. Thomas, et al.. (2005). Guanylyl cyclase-dependent chemotaxis of endothelial cells in response to nitric oxide gradients. Free Radical Biology and Medicine. 40(6). 1028–1033. 17 indexed citations
13.
Isenberg, Jeff S., Lisa A. Ridnour, Michael Graham Espey, David A. Wink, & David D. Roberts. (2005). Nitric oxide in wound-healing. Microsurgery. 25(5). 442–451. 99 indexed citations
14.
Espey, Michael Graham, Anthony S. Basile, Robert K. Heaton, et al.. (2002). Giant axonal neuropathy (GAN): Case report and two novel mutations in the gigaxonin gene. Neurology. 58(9). 1444–1444. 2 indexed citations
15.
Espey, Michael Graham, Sandhya Xavier, Douglas D. Thomas, Katrina M. Miranda, & David A. Wink. (2002). Direct real-time evaluation of nitration with green fluorescent protein in solution and within human cells reveals the impact of nitrogen dioxide vs. peroxynitrite mechanisms. Proceedings of the National Academy of Sciences. 99(6). 3481–3486. 71 indexed citations
16.
Colton, Carol A., et al.. (2001). Nitroxyl anion regulation of the NMDA receptor. Journal of Neurochemistry. 78(5). 1126–1134. 38 indexed citations
17.
Zhou, Xiaoling, Michael Graham Espey, Lorne J. Hofseth, et al.. (2000). Inhibitory Effects of Nitric Oxide and Nitrosative Stress on Dopamine-β-Hydroxylase. Journal of Biological Chemistry. 275(28). 21241–21246. 27 indexed citations
18.
Miranda, Katrina M., Michael Graham Espey, & David A. Wink. (2000). A discussion of the chemistry of oxidative and nitrosative stress in cytotoxicity. Journal of Inorganic Biochemistry. 79(1-4). 237–240. 28 indexed citations
19.
Espey, Michael Graham, et al.. (1998). Evidence of neuronal degeneration in C57Bl/6 mice infected with the LP-BM5 leukemia retrovirus mixture. Molecular and Chemical Neuropathology. 35(1-3). 39–59. 23 indexed citations
20.
Espey, Michael Graham, John R. Moffett, & M.A.A. Namboodiri. (1995). Temporal and spatial changes of quinolinic acid immunoreactivity in the immune system of lipopolysaccharide-stimulated mice. Journal of Leukocyte Biology. 57(2). 199–206. 33 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Giovanni E. Mann Breakdown of academic impact, for papers by Isabella Dalle‐Donne Breakdown of academic impact, for papers by Etsuo Niki Breakdown of academic impact, for papers by Sushil K. Jain Breakdown of academic impact, for papers by Aldo Milzani Breakdown of academic impact, for papers by Ranieri Rossi Breakdown of academic impact, for papers by Enrique Cadenas Breakdown of academic impact, for papers by Milan Mazúr Breakdown of academic impact, for papers by Herbert de Groot Breakdown of academic impact, for papers by Hiroshi Ohkawa
Rankless by CCL
2026