Timothy R. Sampson

9.4k total citations · 6 hit papers
59 papers, 6.8k citations indexed

About

Timothy R. Sampson is a scholar working on Molecular Biology, Neurology and Endocrinology. According to data from OpenAlex, Timothy R. Sampson has authored 59 papers receiving a total of 6.8k indexed citations (citations by other indexed papers that have themselves been cited), including 30 papers in Molecular Biology, 12 papers in Neurology and 10 papers in Endocrinology. Recurrent topics in Timothy R. Sampson's work include Parkinson's Disease Mechanisms and Treatments (12 papers), Gut microbiota and health (12 papers) and CRISPR and Genetic Engineering (11 papers). Timothy R. Sampson is often cited by papers focused on Parkinson's Disease Mechanisms and Treatments (12 papers), Gut microbiota and health (12 papers) and CRISPR and Genetic Engineering (11 papers). Timothy R. Sampson collaborates with scholars based in United States, Nigeria and Sweden. Timothy R. Sampson's co-authors include Sarkis K. Mazmanian, David S. Weiss, Gil Sharon, Daniel H. Geschwind, Collin Challis, Viviana Gradinaru, Taren Thron, Gauri G. Shastri, Stefan Janssen and Pernilla Wittung‐Stafshede and has published in prestigious journals such as Nature, Cell and Proceedings of the National Academy of Sciences.

In The Last Decade

Timothy R. Sampson

52 papers receiving 6.7k citations

Hit Papers

align trajectories sort by overperformance

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.

Gut Microbiota Regulate Motor Deficits and Neuroinflammation in a Model of Parkinson’s Disease

2016 2.6k citations Timothy R. Sampson, Justine W. Debelius et al. Cell profile →
The Central Nervous System and the Gut Microbiome

2016 1.0k citations Timothy R. Sampson, Sarkis K. Mazmanian et al. Cell profile →
Control of Brain Development, Function, and Behavior by the Microbiome

2015 806 citations Timothy R. Sampson, Sarkis K. Mazmanian Cell Host & Microbe profile →
Gut microbiota regulate Alzheimer’s disease pathologies and cognitive disorders via PUFA-associated neuroinflammation

2022 317 citations Timothy R. Sampson et al. profile →
A gut bacterial amyloid promotes α-synuclein aggregation and motor impairment in mice

2020 309 citations Timothy R. Sampson, Collin Challis et al. eLife profile →
Metagenomics of Parkinson’s disease implicates the gut microbiome in multiple disease mechanisms

2022 176 citations Zachary D. Wallen, Ayşe Demirkan et al. Nature Communications profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Timothy R. Sampson	4.3k	1.7k	1.3k	1.3k	860	59	6.8k
Christopher B. Forsyth	4.1k 0.9×	2.2k 1.3×	1.5k 1.1×	860 0.7×	841 1.0×	117	8.7k
Justine W. Debelius	5.0k 1.2×	1.9k 1.1×	1.3k 1.0×	997 0.8×	710 0.8×	41	8.0k
Gauri G. Shastri	3.5k 0.8×	1.7k 1.0×	967 0.7×	1.3k 1.0×	611 0.7×	10	5.6k
Phillip A. Engen	3.2k 0.7×	1.6k 1.0×	1.1k 0.8×	717 0.6×	499 0.6×	74	5.9k
Aletta D. Kraneveld	2.7k 0.6×	1.9k 1.1×	769 0.6×	553 0.4×	510 0.6×	209	7.9k
Robin M. Voigt	2.4k 0.6×	1.7k 1.0×	1.3k 1.0×	658 0.5×	578 0.7×	85	5.3k
Maliha Shaikh	2.3k 0.5×	1.3k 0.8×	1.1k 0.8×	447 0.4×	689 0.8×	90	5.1k
Andreas Schwiertz	4.5k 1.1×	2.5k 1.5×	668 0.5×	558 0.4×	254 0.3×	61	6.8k
Eunyoung Chun	4.5k 1.1×	1.5k 0.9×	197 0.1×	928 0.7×	668 0.8×	60	7.5k
Catherine E. Schretter	1.7k 0.4×	791 0.5×	794 0.6×	582 0.5×	487 0.6×	10	3.1k

Countries citing papers authored by Timothy R. Sampson

Since Specialization

Citations

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

Fields of papers citing papers by Timothy R. Sampson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Timothy R. Sampson

This figure shows the co-authorship network connecting the top 25 collaborators of Timothy R. Sampson. A scholar is included among the top collaborators of Timothy R. Sampson 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 Timothy R. Sampson. Timothy R. Sampson 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

Sampson, Timothy R., Malú G. Tansey, Andrew B. West, & Rodger A. Liddle. (2025). Lewy body diseases and the gut. Molecular Neurodegeneration. 20(1). 14–14. 1 indexed citations

Sampson, Timothy R., Zachary D. Wallen, Woong-Jai Won, et al.. (2025). Alpha synuclein overexpression can drive microbiome dysbiosis in mice. Scientific Reports. 15(1). 4014–4014. 4 indexed citations

Chang, Jianjun, et al.. (2025). Longitudinal characterization reveals behavioral impairments in aged APP knock in mouse models. Scientific Reports. 15(1). 4631–4631. 2 indexed citations

Hirko, Kelly A., et al.. (2024). Telehealth to Address Preventable Maternal Deaths: A Call to Action. Telemedicine Journal and e-Health. 30(12). 2782–2786.

Hamilton, Adam M., Yaqing Li, Sean D. Kelly, et al.. (2024). Diet-microbiome interactions promote enteric nervous system resilience following spinal cord injury. npj Biofilms and Microbiomes. 10(1). 75–75. 7 indexed citations

Schwartz, Noah, et al.. (2024). Diet-induced metabolic and immune impairments are sex-specifically modulated by soluble TNF signaling in the 5xFAD mouse model of Alzheimer's disease. Neurobiology of Disease. 196. 106511–106511. 4 indexed citations

Payami, Haydeh, et al.. (2023). Population fraction of Parkinson’s disease attributable to preventable risk factors. npj Parkinson s Disease. 9(1). 159–159. 9 indexed citations

Sampson, Timothy R.. (2023). Microbial amyloids in neurodegenerative amyloid diseases. FEBS Journal. 292(6). 1265–1281. 10 indexed citations

Sampson, Timothy R., et al.. (2023). Microbiological Survey of Animate and Inanimate Surfaces in a Correctional Center, South-South, Nigeria. South Asian Journal of Research in Microbiology. 17(1). 27–34.

10.

MacPherson, Kathryn P., Lori N. Eidson, Madelyn C. Houser, et al.. (2023). Soluble TNF mediates amyloid-independent, diet-induced alterations to immune and neuronal functions in an Alzheimer’s disease mouse model. Frontiers in Cellular Neuroscience. 17. 895017–895017. 9 indexed citations

11.

Wallen, Zachary D., Ayşe Demirkan, Marissa Dean, et al.. (2022). Metagenomics of Parkinson’s disease implicates the gut microbiome in multiple disease mechanisms. Nature Communications. 13(1). 6958–6958. 176 indexed citations breakdown →

12.

Challis, Collin, Acacia M Hori, Timothy R. Sampson, et al.. (2020). Gut-seeded α-synuclein fibrils promote gut dysfunction and brain pathology specifically in aged mice. Nature Neuroscience. 23(3). 327–336. 275 indexed citations

13.

Sampson, Timothy R., Collin Challis, Neha Jain, et al.. (2020). A gut bacterial amyloid promotes α-synuclein aggregation and motor impairment in mice. eLife. 9. 309 indexed citations breakdown →

14.

Sampson, Timothy R.. (2019). The impact of indigenous microbes on Parkinson's disease. Neurobiology of Disease. 135. 104426–104426. 35 indexed citations

15.

Fields, Christopher, Timothy R. Sampson, Annadora J. Bruce‐Keller, et al.. (2018). Defining Dysbiosis in Disorders of Movement and Motivation. Journal of Neuroscience. 38(44). 9414–9422. 14 indexed citations

16.

Sampson, Timothy R., Justine W. Debelius, Taren Thron, et al.. (2016). Gut Microbiota Regulate Motor Deficits and Neuroinflammation in a Model of Parkinson’s Disease. Cell. 167(6). 1469–1480.e12. 2573 indexed citations breakdown →

17.

Ratner, Hannah K., Timothy R. Sampson, & David S. Weiss. (2016). Overview of CRISPR–Cas9 Biology. Cold Spring Harbor Protocols. 2016(12). pdb.top088849–pdb.top088849. 17 indexed citations

18.

Sampson, Timothy R. & Sarkis K. Mazmanian. (2015). Control of Brain Development, Function, and Behavior by the Microbiome. Cell Host & Microbe. 17(5). 565–576. 806 indexed citations breakdown →

19.

Sampson, Timothy R. & David S. Weiss. (2014). CRISPR-Cas systems: new players in gene regulation and bacterial physiology. Frontiers in Cellular and Infection Microbiology. 4. 37–37. 75 indexed citations

20.

Sampson, Timothy R. & David S. Weiss. (2013). Exploiting CRISPR/Cas systems for biotechnology. BioEssays. 36(1). 34–38. 46 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