Ryan Rampersaud, MD, PhD

Title(s)Assistant Professor, Psychiatry
SchoolSchool of Medicine
Address513 Parnassus Avenue, HSW, #1492
San Francisco CA 94143
PronounsHe/Him/His
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    Title(s)UCSF Weill Institute for Neurosciences


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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Cognitive function in physically healthy, unmedicated individuals with major depression: Relationship with depressive symptoms and antidepressant response. J Affect Disord. 2025 Jun 01; 378:191-200. Ou A, Wu GWY, Kassel MT, Mackin RS, Rampersaud R, Reus VI, Mellon SH, Wolkowitz OM. PMID: 40032138.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    2. Editorial: Systems biology approaches to psychiatric and psychological disorders: unraveling the complexities. Front Genet. 2025; 16:1547943. Yang R, Daigle BJ, Rampersaud R, Schultebraucks K. PMID: 39935834; PMCID: PMC11810898.
      View in: PubMed   Mentions:
    3. Kynurenine Metabolism is Associated with Antidepressant Response to Selective Serotonin Reuptake Inhibitors. bioRxiv. 2025 Jan 13. Rampersaud R, Suneson K, Wu GWY, Reus VI, Lindqvist D, Ho TC, Meyerhoff DJ, Irwin MR, Wolkowitz OM, Mellon SH, Brundin L. PMID: 39868218; PMCID: PMC11761690.
      View in: PubMed   Mentions:
    4. The researcher's guide to selecting biomarkers in mental health studies. Bioessays. 2024 Oct; 46(10):e2300246. Verhoeven JE, Wolkowitz OM, Barr Satz I, Conklin Q, Lamers F, Lavebratt C, Lin J, Lindqvist D, Mayer SE, Melas PA, Milaneschi Y, Picard M, Rampersaud R, Rasgon N, Ridout K, Söderberg Veibäck G, Trumpff C, Tyrka AR, Watson K, Wu GWY, Yang R, Zannas AS, Han LKM, Månsson KNT. PMID: 39258367; PMCID: PMC11811959.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    5. Examining putamen resting-state connectivity markers of suicide attempt history in depressed adolescents. Front Psychiatry. 2024; 15:1364271. Tymofiyeva O, Ho TC, Connolly CG, Gorrell S, Rampersaud R, Darrow SM, Max JE, Yang TT. PMID: 38903634; PMCID: PMC11187256.
      View in: PubMed   Mentions:
    6. Serum brain-derived neurotrophic factor, Val66Met polymorphism and open-label SSRI treatment response in Major Depressive Disorder. Psychoneuroendocrinology. 2024 Jul; 165:107045. Smit AJT, Wu GWY, Rampersaud R, Reus VI, Wolkowitz OM, Mellon SH. PMID: 38636352.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCTClinical Trials
    7. Circulating cell-free mitochondrial DNA levels and glucocorticoid sensitivity in a cohort of male veterans with and without combat-related PTSD. Transl Psychiatry. 2024 Jan 10; 14(1):22. Blalock ZN, Wu GWY, Lindqvist D, Trumpff C, Flory JD, Lin J, Reus VI, Rampersaud R, Hammamieh R, Gautam A, SBPBC, Doyle FJ, Marmar CR, Jett M, Yehuda R, Wolkowitz OM, Mellon SH. PMID: 38200001; PMCID: PMC10781666.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    8. Shorter telomere length predicts poor antidepressant response and poorer cardiometabolic indices in major depression. Sci Rep. 2023 06 23; 13(1):10238. Rampersaud R, Wu GWY, Reus VI, Lin J, Blackburn EH, Epel ES, Hough CM, Mellon SH, Wolkowitz OM. PMID: 37353495; PMCID: PMC10290110.
      View in: PubMed   Mentions: 1     Fields:    Translation:HumansCells
    9. Molecular signatures of post-traumatic stress disorder in war-zone-exposed veteran and active-duty soldiers. Cell Rep Med. 2023 05 16; 4(5):101045. Muhie S, Gautam A, Yang R, Misganaw B, Daigle BJ, Mellon SH, Flory JD, Abu-Amara D, Lee I, Wang K, Rampersaud R, PTSD Systems Biology Consortium, Hood L, Yehuda R, Marmar CR, Wolkowitz OM, Ressler KJ, Doyle FJ, Hammamieh R, Jett M. PMID: 37196634; PMCID: PMC10213980.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    10. Dimensions of childhood adversity differentially affect biological aging in major depression. Transl Psychiatry. 2022 10 04; 12(1):431. Rampersaud R, Protsenko E, Yang R, Reus V, Hammamieh R, Wu GWY, Epel E, Jett M, Gautam A, Mellon SH, Wolkowitz OM. PMID: 36195591; PMCID: PMC9532396.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    11. "GrimAge," an epigenetic predictor of mortality, is accelerated in major depressive disorder. Transl Psychiatry. 2021 04 06; 11(1):193. Protsenko E, Yang R, Nier B, Reus V, Hammamieh R, Rampersaud R, Wu GWY, Hough CM, Epel E, Prather AA, Jett M, Gautam A, Mellon SH, Wolkowitz OM. PMID: 33820909; PMCID: PMC8021561.
      View in: PubMed   Mentions: 45     Fields:    Translation:HumansCells
    12. Novel Pharmacological Targets for Combat PTSD-Metabolism, Inflammation, The Gut Microbiome, and Mitochondrial Dysfunction. Mil Med. 2020 01 07; 185(Suppl 1):311-318. Bersani FS, Mellon SH, Lindqvist D, Kang JI, Rampersaud R, Somvanshi PR, Doyle FJ, Hammamieh R, Jett M, Yehuda R, Marmar CR, Wolkowitz OM. PMID: 32074311; PMCID: PMC8483162.
      View in: PubMed   Mentions: 15     Fields:    Translation:HumansCells
    13. Environmental pH modulates inerolysin activity via post-binding blockade. Sci Rep. 2018 01 24; 8(1):1542. Rampersaud R, Lewis EL, LaRocca TJ, Ratner AJ. PMID: 29367601; PMCID: PMC5784117.
      View in: PubMed   Mentions: 5     Fields:    Translation:Cells
    14. Evidence for α-synuclein prions causing multiple system atrophy in humans with parkinsonism. Proc Natl Acad Sci U S A. 2015 Sep 22; 112(38):E5308-17. Prusiner SB, Woerman AL, Mordes DA, Watts JC, Rampersaud R, Berry DB, Patel S, Oehler A, Lowe JK, Kravitz SN, Geschwind DH, Glidden DV, Halliday GM, Middleton LT, Gentleman SM, Grinberg LT, Giles K. PMID: 26324905; PMCID: PMC4586853.
      View in: PubMed   Mentions: 351     Fields:    
    15. Propagation of prions causing synucleinopathies in cultured cells. Proc Natl Acad Sci U S A. 2015 Sep 01; 112(35):E4949-58. Woerman AL, Stöhr J, Aoyagi A, Rampersaud R, Krejciova Z, Watts JC, Ohyama T, Patel S, Widjaja K, Oehler A, Sanders DW, Diamond MI, Seeley WW, Middleton LT, Gentleman SM, Mordes DA, Südhof TC, Giles K, Prusiner SB. PMID: 26286986; PMCID: PMC4568231.
      View in: PubMed   Mentions: 128     Fields:    Translation:HumansAnimalsCells
    16. Vaginolysin drives epithelial ultrastructural responses to Gardnerella vaginalis. Infect Immun. 2013 Dec; 81(12):4544-50. Randis TM, Zaklama J, LaRocca TJ, Los FC, Lewis EL, Desai P, Rampersaud R, Amaral FE, Ratner AJ. PMID: 24082080; PMCID: PMC3837968.
      View in: PubMed   Mentions: 15     Fields:    Translation:HumansAnimalsCells
    17. Genome Sequence of the Human Abscess Isolate Streptococcus intermedius BA1. Genome Announc. 2013 Jan; 1(1). Planet PJ, Rampersaud R, Hymes SR, Whittier S, Della-Latta PA, Narechania A, Daugherty SC, Santana-Cruz I, Desalle R, Ravel J, Ratner AJ. PMID: 23405291; PMCID: PMC3569275.
      View in: PubMed   Mentions: 2  
    18. Cigarette smoke increases Staphylococcus aureus biofilm formation via oxidative stress. Infect Immun. 2012 Nov; 80(11):3804-11. Kulkarni R, Antala S, Wang A, Amaral FE, Rampersaud R, Larussa SJ, Planet PJ, Ratner AJ. PMID: 22890993; PMCID: PMC3486061.
      View in: PubMed   Mentions: 54     Fields:    Translation:HumansCells
    19. Retrocyclin inhibits Gardnerella vaginalis biofilm formation and toxin activity. J Antimicrob Chemother. 2012 Dec; 67(12):2870-2. Hooven TA, Randis TM, Hymes SR, Rampersaud R, Ratner AJ. PMID: 22855857; PMCID: PMC3494843.
      View in: PubMed   Mentions: 16     Fields:    Translation:HumansCells
    20. Microbiota of the upper and lower genital tract. Semin Fetal Neonatal Med. 2012 Feb; 17(1):51-7. Rampersaud R, Randis TM, Ratner AJ. PMID: 21920833; PMCID: PMC3242913.
      View in: PubMed   Mentions: 30     Fields:    
    21. Inerolysin, a cholesterol-dependent cytolysin produced by Lactobacillus iners. J Bacteriol. 2011 Mar; 193(5):1034-41. Rampersaud R, Planet PJ, Randis TM, Kulkarni R, Aguilar JL, Lehrer RI, Ratner AJ. PMID: 21169489; PMCID: PMC3067590.
      View in: PubMed   Mentions: 74     Fields:    Translation:Cells
    22. Cigarette smoke inhibits airway epithelial cell innate immune responses to bacteria. Infect Immun. 2010 May; 78(5):2146-52. Kulkarni R, Rampersaud R, Aguilar JL, Randis TM, Kreindler JL, Ratner AJ. PMID: 20194598; PMCID: PMC2863539.
      View in: PubMed   Mentions: 33     Fields:    Translation:HumansAnimalsCells
    23. Vaccination of mice with a Yop translocon complex elicits antibodies that are protective against infection with F1- Yersinia pestis. Infect Immun. 2008 Nov; 76(11):5181-90. Ivanov MI, Noel BL, Rampersaud R, Mena P, Benach JL, Bliska JB. PMID: 18765742; PMCID: PMC2573372.
      View in: PubMed   Mentions: 23     Fields:    Translation:AnimalsCellsPHPublic Health
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