James M. Walker

15.7k total citations · 3 hit papers
166 papers, 11.7k citations indexed

About

James M. Walker is a scholar working on Cellular and Molecular Neuroscience, Pharmacology and Molecular Biology. According to data from OpenAlex, James M. Walker has authored 166 papers receiving a total of 11.7k indexed citations (citations by other indexed papers that have themselves been cited), including 77 papers in Cellular and Molecular Neuroscience, 58 papers in Pharmacology and 40 papers in Molecular Biology. Recurrent topics in James M. Walker's work include Cannabis and Cannabinoid Research (52 papers), Neuroscience and Neuropharmacology Research (38 papers) and Neurotransmitter Receptor Influence on Behavior (29 papers). James M. Walker is often cited by papers focused on Cannabis and Cannabinoid Research (52 papers), Neuroscience and Neuropharmacology Research (38 papers) and Neurotransmitter Receptor Influence on Behavior (29 papers). James M. Walker collaborates with scholars based in United States, Italy and Spain. James M. Walker's co-authors include Kang Tsou, Susan M. Huang, Huda Akil, Heather B. Bradshaw, Andrea G. Hohmann, Robert J. Farney, Stanley J. Watson, M.Clara Sañudo-Peña, Elizabeth A. Young and Tom V. Cloward and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

James M. Walker

165 papers receiving 11.3k 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.

Endogenous Opioids: Biology and Function

1984 957 citations James M. Walker et al. profile →
An endogenous capsaicin-like substance with high potency at recombinant and native vanilloid VR1 receptors

2002 723 citations Susan M. Huang, Luciano De Petrocellis et al. profile →
An endocannabinoid mechanism for stress-induced analgesia

2005 602 citations Andrea G. Hohmann, Jocelyn F. Krey et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
James M. Walker United States	60	5.2k	5.1k	2.9k	2.7k	1.7k	166	11.7k
Andreas Zimmer Germany	72	6.4k 1.2×	8.2k 1.6×	3.0k 1.0×	4.8k 1.8×	1.9k 1.1×	222	16.5k
Catherine Ledent Belgium	69	11.5k 2.2×	9.9k 1.9×	1.9k 0.7×	4.3k 1.6×	3.3k 2.0×	253	20.1k
Miles Herkenham United States	77	13.4k 2.6×	6.9k 1.4×	2.5k 0.9×	5.0k 1.9×	4.3k 2.5×	143	22.4k
Francisco Silveira Guimarães Brazil	69	8.2k 1.6×	9.2k 1.8×	1.8k 0.6×	2.0k 0.7×	4.0k 2.3×	389	17.3k
C.A. Marsden United Kingdom	64	8.5k 1.6×	1.7k 0.3×	1.9k 0.7×	3.7k 1.4×	2.4k 1.4×	327	14.5k
Steven R. Goldberg United States	73	11.8k 2.3×	5.1k 1.0×	1.7k 0.6×	6.9k 2.6×	2.0k 1.2×	218	16.8k
Stephen J. Lolait United States	43	4.1k 0.8×	5.0k 1.0×	737 0.3×	2.1k 0.8×	1.2k 0.7×	89	10.4k
Mauro Maccarrone Italy	82	6.5k 1.3×	14.2k 2.8×	3.2k 1.1×	5.1k 1.9×	2.6k 1.5×	541	23.6k
Stephen J. Peroutka United States	56	7.4k 1.4×	1.3k 0.2×	1.8k 0.6×	5.0k 1.8×	852 0.5×	156	12.2k
Allyn C. Howlett United States	54	8.3k 1.6×	12.6k 2.5×	1.3k 0.5×	3.0k 1.1×	2.3k 1.4×	191	15.5k

Countries citing papers authored by James M. Walker

Since Specialization

Citations

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

Fields of papers citing papers by James M. Walker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of James M. Walker

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Montgomery, Chad E., et al.. (2011). Cnemidophorus lemniscatus (Squamata: Teiidae) on Cayo Cochino Pequeño, Honduras: Extent of Island Occupancy, Natural History, and Conservation Status. Herpetological conservation and biology. 5 indexed citations

Owan, Theophilus, Erick Avelar, Ronny Jiji, et al.. (2011). Favorable Changes in Cardiac Geometry and Function Following Gastric Bypass Surgery. Journal of the American College of Cardiology. 57(6). 732–739. 112 indexed citations

Nagano, Yuriko, J.S. Elborn, B. Cherie Millar, et al.. (2010). Comparison of techniques to examine the diversity of fungi in adult patients with cystic fibrosis. Medical Mycology. 48(1). 166–176. 70 indexed citations

Walker, James M. & Robert J. Farney. (2009). Are opioids associated with sleep apnea? A review of the evidence. Current Pain and Headache Reports. 13(2). 120–126. 28 indexed citations

Bradshaw, Heather B., Neta Rimmerman, Sherry Shu‐Jung Hu, et al.. (2009). The endocannabinoid anandamide is a precursor for the signaling lipid N-arachidonoyl glycine by two distinct pathways. BMC Biochemistry. 10(1). 14–14. 102 indexed citations

Oh, Da Young, Mi Jin Moon, Jong‐Ik Hwang, et al.. (2008). Identification of Farnesyl Pyrophosphate and N-Arachidonylglycine as Endogenous Ligands for GPR92. Journal of Biological Chemistry. 283(30). 21054–21064. 113 indexed citations

Huang, Susan M., Hyosang Lee, Man‐Kyo Chung, et al.. (2008). Overexpressed Transient Receptor Potential Vanilloid 3 Ion Channels in Skin Keratinocytes Modulate Pain Sensitivity via Prostaglandin E₂. Journal of Neuroscience. 28(51). 13727–13737. 168 indexed citations

Aneetha, H., David K. O’Dell, Bo Tan, James M. Walker, & Thomas D. Hurley. (2008). Alcohol dehydrogenase-catalyzed in vitro oxidation of anandamide to N-arachidonoyl glycine, a lipid mediator: Synthesis of N-acyl glycinals. Bioorganic & Medicinal Chemistry Letters. 19(1). 237–241. 20 indexed citations

Rimmerman, Neta, Heather B. Bradshaw, Velocity Hughes, et al.. (2008). N-Palmitoyl Glycine, a Novel Endogenous Lipid That Acts As a Modulator of Calcium Influx and Nitric Oxide Production in Sensory Neurons. Molecular Pharmacology. 74(1). 213–224. 73 indexed citations

10.

Tan, Bo, Heather B. Bradshaw, Neta Rimmerman, et al.. (2006). Targeted lipidomics: Discovery of new fatty acyl amides. The AAPS Journal. 8(3). E461–E465. 50 indexed citations

11.

Petrocellis, Luciano De, et al.. (2004). Actions of two naturally occurring saturatedN-acyldopamines on transient receptor potential vanilloid 1 (TRPV1) channels. British Journal of Pharmacology. 143(2). 251–256. 81 indexed citations

12.

Walker, James M. & Susan M. Huang. (2002). Cannabinoid analgesia. Pharmacology & Therapeutics. 95(2). 127–135. 143 indexed citations

13.

Weiser, Sheri D., Saundra L. Patrick, S. Wayne Mascarella, et al.. (1995). Stimulation of rat striatal tyrosine hydroxylase activity following intranigral administration of σ receptor ligands. European Journal of Pharmacology. 275(1). 1–7. 29 indexed citations

14.

Patrick, Saundra L., et al.. (1993). Increase in rat striatal extracellular dopamine and vacous chewing produced by two σ receptor ligands. European Journal of Pharmacology. 231(2). 243–249. 60 indexed citations

15.

Thompson, Lisa & James M. Walker. (1992). Involvement of the nigrotectal and nigrothalamic pathways in kappa opioid‐induced circling. Synapse. 12(3). 189–194. 14 indexed citations

16.

Matsumoto, Rae R. & James M. Walker. (1992). Iontophoretic effects of sigma ligands on rubral neurons in the rat. Brain Research Bulletin. 29(3-4). 419–425. 16 indexed citations

17.

Thompson, Lisa, Rae R. Matsumoto, Andrea G. Hohmann, & James M. Walker. (1990). Striatonigral Prodynorphin: A Model System for Understanding Opioid Peptide Function. Annals of the New York Academy of Sciences. 579(1). 192–202. 7 indexed citations

18.

Matsumoto, Rae R., Andrew Thurkauf, Brian R. de Costa, et al.. (1990). Drug specificity of pharmacological dystonia. Pharmacology Biochemistry and Behavior. 36(1). 151–155. 83 indexed citations

19.

Schnur, Paul & James M. Walker. (1990). Effects of U50,488H on locomotor activity in the hamster. Pharmacology Biochemistry and Behavior. 36(4). 813–816. 12 indexed citations

20.

Matsumoto, Rae R., Ann M. Lohof, Robert L. Patrick, & James M. Walker. (1988). Dopamine-independent motor behavior following microinjection of rimorphin in the substantia nigra. Brain Research. 444(1). 67–74. 14 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