Ryan Rampersaud

1.8k total citations · 1 hit paper
20 papers, 1.3k citations indexed

About

Ryan Rampersaud is a scholar working on Molecular Biology, Microbiology and Infectious Diseases. According to data from OpenAlex, Ryan Rampersaud has authored 20 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Molecular Biology, 4 papers in Microbiology and 3 papers in Infectious Diseases. Recurrent topics in Ryan Rampersaud's work include Reproductive tract infections research (4 papers), Neurological diseases and metabolism (2 papers) and Prion Diseases and Protein Misfolding (2 papers). Ryan Rampersaud is often cited by papers focused on Reproductive tract infections research (4 papers), Neurological diseases and metabolism (2 papers) and Prion Diseases and Protein Misfolding (2 papers). Ryan Rampersaud collaborates with scholars based in United States, United Kingdom and Australia. Ryan Rampersaud's co-authors include Adam J. Ratner, Tara M. Randis, Amanda L. Woerman, Daniel A. Mordes, Abby Oehler, Steve Gentleman, Lefkos Middleton, Joel C. Watts, Stanley B. Prusiner and Kurt Giles and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Scientific Reports and Journal of Bacteriology.

In The Last Decade

Ryan Rampersaud

20 papers receiving 1.3k 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.

Evidence for α-synuclein prions causing multiple system atrophy in humans with parkinsonism

2015 542 citations Stanley B. Prusiner, Amanda L. Woerman et al. Proceedings of the National Academy of Sciences profile →

Peers

Ryan Rampersaud

NEURO

PHYSI

NEURO

MICRO

R. J. Marttila Finland

Masatoshi Konno Japan

Adam Wright United Kingdom

Francesca Sironi Italy

Susanne Duerr Austria

Gurwattan S. Miranpuri United States

Rashi Halder Luxembourg

Mette Berendt Denmark

Annette Spreer Germany

Yonatan Ganor France

R. J. Marttila Finland

Ryan Rampersaud

1.1k ×2.0

NEURO

427 ×0.9

292 ×0.8

PHYSI

276 ×1.0

NEURO

89 ×0.4

MICRO

Citations per year, relative to Ryan Rampersaud Ryan Rampersaud (= 1×) peers R. J. Marttila

Countries citing papers authored by Ryan Rampersaud

Since Specialization

Citations

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

Fields of papers citing papers by Ryan Rampersaud

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ryan Rampersaud

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

Wu, Gwyneth W. Y., Michelle T. Kassel, R. Scott Mackin, et al.. (2025). Cognitive function in physically healthy, unmedicated individuals with major depression: Relationship with depressive symptoms and antidepressant response. Journal of Affective Disorders. 378. 191–200. 1 indexed citations

Smit, A. J., Gwyneth W. Y. Wu, Ryan Rampersaud, et al.. (2024). Serum brain-derived neurotrophic factor, Val66Met polymorphism and open-label SSRI treatment response in Major Depressive Disorder. Psychoneuroendocrinology. 165. 107045–107045. 6 indexed citations

Tymofiyeva, Olga, Tiffany C. Ho, Colm G. Connolly, et al.. (2024). Examining putamen resting-state connectivity markers of suicide attempt history in depressed adolescents. Frontiers in Psychiatry. 15. 1364271–1364271. 1 indexed citations

Muhie, Seid, Aarti Gautam, Ruoting Yang, et al.. (2023). Molecular signatures of post-traumatic stress disorder in war-zone-exposed veteran and active-duty soldiers. Cell Reports Medicine. 4(5). 101045–101045. 14 indexed citations

Rampersaud, Ryan, Gwyneth W. Y. Wu, Victor I. Reus, et al.. (2023). Shorter telomere length predicts poor antidepressant response and poorer cardiometabolic indices in major depression. Scientific Reports. 13(1). 10238–10238. 6 indexed citations

Rampersaud, Ryan, Ekaterina Protsenko, Ruoting Yang, et al.. (2022). Dimensions of childhood adversity differentially affect biological aging in major depression. Translational Psychiatry. 12(1). 431–431. 23 indexed citations

Protsenko, Ekaterina, Ruoting Yang, Victor I. Reus, et al.. (2021). “GrimAge,” an epigenetic predictor of mortality, is accelerated in major depressive disorder. Translational Psychiatry. 11(1). 193–193. 71 indexed citations

Bersani, Francesco Saverio, Synthia H. Mellon, Daniel Lindqvist, et al.. (2020). Novel Pharmacological Targets for Combat PTSD—Metabolism, Inflammation, The Gut Microbiome, and Mitochondrial Dysfunction. Military Medicine. 185(Supplement_1). 311–318. 32 indexed citations

Rampersaud, Ryan, Emma L. Lewis, Timothy J. LaRocca, & Adam J. Ratner. (2018). Environmental pH modulates inerolysin activity via post-binding blockade. Scientific Reports. 8(1). 1542–1542. 8 indexed citations

10.

Prusiner, Stanley B., Amanda L. Woerman, Daniel A. Mordes, et al.. (2015). Evidence for α-synuclein prions causing multiple system atrophy in humans with parkinsonism. Proceedings of the National Academy of Sciences. 112(38). E5308–17. 542 indexed citations breakdown →

11.

Woerman, Amanda L., Jan Stöhr, Atsushi Aoyagi, et al.. (2015). Propagation of prions causing synucleinopathies in cultured cells. Proceedings of the National Academy of Sciences. 112(35). E4949–58. 192 indexed citations

12.

Rampersaud, Ryan. (2014). Identifcation and Characterization of Inerolysin, the Cholesterol Dependent Cytolysin Produced by Lactobacillus Iners. Columbia Academic Commons (Columbia University). 1 indexed citations

13.

Randis, Tara M., Timothy J. LaRocca, Ferdinand C. O. Los, et al.. (2013). Vaginolysin Drives Epithelial Ultrastructural Responses to Gardnerella vaginalis. Infection and Immunity. 81(12). 4544–4550. 29 indexed citations

14.

Planet, Paul J., Ryan Rampersaud, Saul Hymes, et al.. (2013). Genome Sequence of the Human Abscess Isolate Streptococcus intermedius BA1. Genome Announcements. 1(1). 4 indexed citations

15.

Hooven, Thomas A., Tara M. Randis, Saul Hymes, Ryan Rampersaud, & Adam J. Ratner. (2012). Retrocyclin inhibits Gardnerella vaginalis biofilm formation and toxin activity. Journal of Antimicrobial Chemotherapy. 67(12). 2870–2872. 30 indexed citations

16.

Kulkarni, Ritwij, et al.. (2012). Cigarette Smoke Increases Staphylococcus aureus Biofilm Formation via Oxidative Stress. Infection and Immunity. 80(11). 3804–3811. 90 indexed citations

17.

Rampersaud, Ryan, Tara M. Randis, & Adam J. Ratner. (2011). Microbiota of the upper and lower genital tract. Seminars in Fetal and Neonatal Medicine. 17(1). 51–57. 57 indexed citations

18.

Rampersaud, Ryan, Paul J. Planet, Tara M. Randis, et al.. (2010). Inerolysin, a Cholesterol-Dependent Cytolysin Produced by Lactobacillus iners. Journal of Bacteriology. 193(5). 1034–1041. 107 indexed citations

19.

Kulkarni, Ritwij, Ryan Rampersaud, Jorge L. Aguilar, et al.. (2010). Cigarette Smoke Inhibits Airway Epithelial Cell Innate Immune Responses to Bacteria. Infection and Immunity. 78(5). 2146–2152. 57 indexed citations

20.

Rampersaud, Ryan, et al.. (2008). Vaccination of Mice with a Yop Translocon Complex Elicits Antibodies That Are Protective against Infection with F1 ⁻ Yersinia pestis. Infection and Immunity. 76(11). 5181–5190. 37 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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