Thomas A. Spencer

5.2k total citations · 1 hit paper
140 papers, 4.1k citations indexed

About

Thomas A. Spencer is a scholar working on Molecular Biology, Organic Chemistry and Surgery. According to data from OpenAlex, Thomas A. Spencer has authored 140 papers receiving a total of 4.1k indexed citations (citations by other indexed papers that have themselves been cited), including 63 papers in Molecular Biology, 49 papers in Organic Chemistry and 23 papers in Surgery. Recurrent topics in Thomas A. Spencer's work include Cholesterol and Lipid Metabolism (23 papers), Plant biochemistry and biosynthesis (20 papers) and Analytical Chemistry and Chromatography (13 papers). Thomas A. Spencer is often cited by papers focused on Cholesterol and Lipid Metabolism (23 papers), Plant biochemistry and biosynthesis (20 papers) and Analytical Chemistry and Chromatography (13 papers). Thomas A. Spencer collaborates with scholars based in United States, United Kingdom and Ghana. Thomas A. Spencer's co-authors include Timothy M. Willson, Daniel E. Blanchard, J A Nelson, Linda B. Moore, Steven A. Kliewer, Deborah A. Winegar, Scott S. Sundseth, Jürgen M. Lehmann, Tracey Smith-Oliver and Sandra K. Erickson 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

Thomas A. Spencer

136 papers receiving 3.9k 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.

Activation of the Nuclear Receptor LXR by Oxysterols Defines a New Hormone Response Pathway

1997 1.0k citations Jürgen M. Lehmann, Steven A. Kliewer et al. Journal of Biological Chemistry profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Thomas A. Spencer United States	30	2.2k	2.0k	872	741	551	140	4.1k
Mark D. Erion United States	44	3.0k 1.3×	449 0.2×	524 0.6×	1.3k 1.7×	218 0.4×	129	5.4k
Daniel D. Sternbach United States	27	3.7k 1.6×	530 0.3×	476 0.5×	1.0k 1.4×	643 1.2×	54	5.1k
Herbert J. Fromm United States	42	4.2k 1.9×	727 0.4×	194 0.2×	431 0.6×	1.0k 1.8×	196	6.0k
Irwin A. Rose United States	44	3.6k 1.6×	851 0.4×	176 0.2×	407 0.5×	1.0k 1.9×	109	5.9k
Barton Holmquist United States	39	2.4k 1.1×	201 0.1×	915 1.0×	375 0.5×	282 0.5×	91	4.1k
Richard Wynn United States	43	3.4k 1.5×	403 0.2×	356 0.4×	189 0.3×	995 1.8×	140	5.1k
J. J. Myher Canada	38	1.6k 0.7×	674 0.3×	134 0.2×	284 0.4×	985 1.8×	112	4.0k
Bryce V. Plapp United States	38	2.5k 1.1×	313 0.2×	171 0.2×	322 0.4×	660 1.2×	109	4.0k
Howard L. Brockman United States	40	3.7k 1.6×	614 0.3×	147 0.2×	619 0.8×	565 1.0×	107	4.6k
Theodore R. Holman United States	42	1.8k 0.8×	277 0.1×	288 0.3×	977 1.3×	762 1.4×	116	4.4k

Countries citing papers authored by Thomas A. Spencer

Since Specialization

Citations

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

Fields of papers citing papers by Thomas A. Spencer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Thomas A. Spencer. 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 Thomas A. Spencer. The network helps show where Thomas A. Spencer may publish in the future.

Co-authorship network of co-authors of Thomas A. Spencer

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

Hoff, Brad W., Y. Y. Lau, Nicholas Jordan, et al.. (2007). Magnetic Priming of a Relativistic Magnetron Utilizing Ferromagnetic Wires in the Cathode and Anode. 75. 904–904. 1 indexed citations

Spencer, Thomas A., et al.. (2006). Preparation and biochemical evaluation of fluorenone-containing lipid analogs. Bioorganic & Medicinal Chemistry Letters. 16(11). 3000–3004. 6 indexed citations

Spencer, Thomas A., et al.. (2004). CYP3A INDUCTION BY LIVER X RECEPTOR LIGANDS IN PRIMARY CULTURED RAT AND MOUSE HEPATOCYTES IS MEDIATED BY THE PREGNANE X RECEPTOR. Drug Metabolism and Disposition. 32(1). 66–71. 67 indexed citations

Spencer, Thomas A., Dansu Li, Jonathon S. Russel, et al.. (2004). Benzophenone-containing cholesterol surrogates. Journal of Lipid Research. 45(8). 1510–1518. 21 indexed citations

Spencer, Thomas A., et al.. (2004). Induction of CYP3A by 2,3-Oxidosqualene:Lanosterol Cyclase Inhibitors Is Mediated by an Endogenous Squalene Metabolite in Primary Cultured Rat Hepatocytes. Molecular Pharmacology. 65(5). 1302–1312. 18 indexed citations

Cartwright, Keith, Andrew Greenwood, M.D. Haworth, et al.. (2003). Numerical model of the MELBA-C relativistic magnetron using 3D PIC. APS Division of Plasma Physics Meeting Abstracts. 45. 1 indexed citations

Zhang, Yi, Chunjiang Yu, Jay Liu, et al.. (2003). Cholesterol Is Superior to 7-Ketocholesterol or 7α-Hydroxycholesterol as an Allosteric Activator for Acyl-coenzyme A:Cholesterol Acyltransferase 1. Journal of Biological Chemistry. 278(13). 11642–11647. 56 indexed citations

Haworth, M.D., Keith Cartwright, Andrew Greenwood, et al.. (2002). Computational Studies of an L-Band A6 Relativistic Magnetron*. APS. 44. 1 indexed citations

Spencer, Thomas A., Dansu Li, Jonathon S. Russel, Nicholas C. O. Tomkinson, & Timothy M. Willson. (2000). Further Studies on the Synthesis of 24(S),25-Epoxycholesterol. A New, Efficient Preparation of Desmosterol. The Journal of Organic Chemistry. 65(7). 1919–1923. 18 indexed citations

10.

Spencer, Thomas A., et al.. (1999). Zwitterionic Sulfobetaine Inhibitors of Squalene Synthase. The Journal of Organic Chemistry. 64(3). 807–818. 38 indexed citations

11.

Ishii, Yoshinori, et al.. (1998). Function-Structure Studies and Identification of Three Enzyme Domains Involved in the Catalytic Activity in Rat Hepatic Squalene Synthase. Journal of Biological Chemistry. 273(20). 12515–12525. 71 indexed citations

12.

Cases, Sylvaine, Sabine Novak, Heather Myers, et al.. (1998). ACAT-2, A Second Mammalian Acyl-CoA:Cholesterol Acyltransferase. Journal of Biological Chemistry. 273(41). 26755–26764. 348 indexed citations

13.

Spencer, Thomas A., et al.. (1997). Feasibility of an immunoassay for mevalonolactone. Bioorganic & Medicinal Chemistry. 5(5). 873–882. 3 indexed citations

14.

Lehmann, Jürgen M., Steven A. Kliewer, Linda B. Moore, et al.. (1997). Activation of the Nuclear Receptor LXR by Oxysterols Defines a New Hormone Response Pathway. Journal of Biological Chemistry. 272(6). 3137–3140. 1013 indexed citations breakdown →

15.

Hendricks, Kyle J., Thomas A. Spencer, Don Shiffler, et al.. (1996). Recent Results on Pulse Shortening of GW class HPM sources. APS Division of Plasma Physics Meeting Abstracts. 2 indexed citations

16.

Saucier, Sandra E., et al.. (1993). Hepatic uptake and metabolism of ingested 24-hydroxycholesterol and 24(S),25-epoxycholesterol. Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism. 1166(1). 115–123. 24 indexed citations

17.

Sinensky, Michael, et al.. (1987). Requirement for 24(S),25-epoxycholesterol for the viability of cultured fibroblasts. Experimental Cell Research. 171(2). 492–497. 7 indexed citations

18.

Jacob, James N., James A. Nelson, & Thomas A. Spencer. (1980). Synthesis of trans-2-decalones with 9.alpha. leaving groups and 8.beta. general bases for 1.beta. proton abstraction. The Journal of Organic Chemistry. 45(9). 1645–1650.

19.

Nelson, James A., et al.. (1975). Oxidative demethylation at C-4 of a steroid via nitroxide photolysis. Journal of the American Chemical Society. 97(3). 648–649. 12 indexed citations

20.

Bell, R. P. & Thomas A. Spencer. (1959). Kinetics of the base-catalyzed bromination of ethyl nitroacetate. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 251(1264). 41–45. 4 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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