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    DNA methylation analyses identify an intronic ZDHHC6 locus associated with time to recurrent stroke in the Vitamin Intervention for Stroke Prevention (VISP) clinical trial

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    Author
    Davis Armstrong, Nicole M.; Chen, Wei-Min; Hsu, Fang-Chi; Brewer, Michael S.; Cullell, Natalia; Fernández-Cadenas, Israel; Williams, Stephen R.; Sale, Michèle M.; Worrall, Bradford B.; Keene, Keith L.
    Abstract
    Aberrant DNA methylation profiles have been implicated in numerous cardiovascular diseases; however, few studies have investigated how these epigenetic modifications contribute to stroke recurrence. The aim of this study was to identify methylation loci associated with the time to recurrent cerebro- and cardiovascular events in individuals of European and African descent. DNA methylation profiles were generated for 180 individuals from the Vitamin Intervention for Stroke Prevention clinical trial using Illumina HumanMethylation 450K BeadChip microarrays, resulting in beta values for 470,871 autosomal CpG sites. Ethnicity-stratified survival analyses were performed using Cox Proportional Hazards regression models for associations between each methylation locus and the time to recurrent stroke or composite vascular event. Results were validated in the Vall d'Hebron University Hospital cohort from Barcelona, Spain. Network analyses of the methylation loci were generated using weighted gene coexpression network analysis. Primary analysis identified four significant loci, cg04059318, ch.2.81927627R, cg03584380, and cg24875416, associated with time to recurrent stroke. Secondary analysis identified three loci, cg00076998, cg16758041, and cg02365967, associated with time to composite vascular endpoint. Locus cg03584380, which is located in an intron of ZDHHC6, was replicated in the Vall d'Hebron University Hospital cohort. The results from this study implicate the degree of methylation at cg03584380 is associated with the time of recurrence for stroke or composite vascular events across two ethnically diverse groups. Furthermore, modules of loci were associated with clinical traits and blood biomarkers including previous number of strokes, prothrombin fragments 1 + 2, thrombomodulin, thrombin-antithrombin complex, triglyceride levels, and tissue plasminogen activator. Ultimately, these loci could serve as potential epigenetic biomarkers that could identify at-risk individuals in recurrence-prone populations.
    URI
    http://hdl.handle.net/10342/9332
    Date
    2021-07-12
    Citation:
    APA:
    Davis Armstrong, Nicole M., & Chen, Wei-Min, & Hsu, Fang-Chi, & Brewer, Michael S., & Cullell, Natalia, & Fernández-Cadenas, Israel, & Williams, Stephen R., & Sale, Michèle M., & Worrall, Bradford B., & Keene, Keith L.. (July 2021). DNA methylation analyses identify an intronic ZDHHC6 locus associated with time to recurrent stroke in the Vitamin Intervention for Stroke Prevention (VISP) clinical trial. , (), - M, Hsu F-C, Brewer MS, Cullell N, Fernández-Cadenas I, et al. (2021) DNA methylation analyses identify an intronic ZDHHC6 locus associated with time to recurrent stroke in the Vitamin Intervention for Stroke Prevention (VISP) clinical trial. PLoS ONE 16(7): e0254562. https://doi.org/10.1371/journal.pone.0254562. Retrieved from http://hdl.handle.net/10342/9332

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    MLA:
    Davis Armstrong, Nicole M., and Chen, Wei-Min, and Hsu, Fang-Chi, and Brewer, Michael S., and Cullell, Natalia, and Fernández-Cadenas, Israel, and Williams, Stephen R., and Sale, Michèle M., and Worrall, Bradford B., and Keene, Keith L.. "DNA methylation analyses identify an intronic ZDHHC6 locus associated with time to recurrent stroke in the Vitamin Intervention for Stroke Prevention (VISP) clinical trial". . . (), July 2021. September 21, 2023. http://hdl.handle.net/10342/9332.
    Chicago:
    Davis Armstrong, Nicole M. and Chen, Wei-Min and Hsu, Fang-Chi and Brewer, Michael S. and Cullell, Natalia and Fernández-Cadenas, Israel and Williams, Stephen R. and Sale, Michèle M. and Worrall, Bradford B. and Keene, Keith L., "DNA methylation analyses identify an intronic ZDHHC6 locus associated with time to recurrent stroke in the Vitamin Intervention for Stroke Prevention (VISP) clinical trial," , no. (July 2021), http://hdl.handle.net/10342/9332 (accessed September 21, 2023).
    AMA:
    Davis Armstrong, Nicole M., Chen, Wei-Min, Hsu, Fang-Chi, Brewer, Michael S., Cullell, Natalia, Fernández-Cadenas, Israel, Williams, Stephen R., Sale, Michèle M., Worrall, Bradford B., Keene, Keith L.. DNA methylation analyses identify an intronic ZDHHC6 locus associated with time to recurrent stroke in the Vitamin Intervention for Stroke Prevention (VISP) clinical trial. . July 2021; (): . http://hdl.handle.net/10342/9332. Accessed September 21, 2023.
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