No association between war-related trauma or PTSD symptom severity and epigenome-wide DNA methylation in Burundian refugees

Mattonet K, Scharpf F, Block KM, Kumsta R, Hecker T (2023)
European Journal of Psychotraumatology 14(2): 2228155.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Background: War-related trauma is associated with varying posttraumatic stress disorder (PTSD) prevalence rates in refugees. In PTSD development, differential DNA methylation (DNAm) levels associated with trauma exposure might be involved in risk versus resilience processes. Studies investigating DNAm profiles related to trauma exposure and PTSD among refugees remain sparse.Objective: The present epigenome-wide association study investigated associations between war-related trauma, PTSD, and altered DNAm patterns in Burundian refugee families with 110 children and their 207 female and male caregivers.Method: War-related trauma load and PTSD symptom severity were assessed in structured clinical interviews with standardised instruments. Epigenome-wide DNAm levels were quantified from buccal epithelia using the Illumina EPIC beadchip.Results: Controlling for biological confounders, no significant epigenome-wide DNAm alterations associated with trauma exposure or PTSD were identified in children or caregivers (FDRs>.05). Co-methylated positions derived as modules from weighted gene correlation network analyses were not significantly associated with either war-related trauma experience in children or caregivers or with PTSD.Conclusions: These results do not provide evidence for altered DNAm patterns associated with exposure to war-related trauma or PTSD.
Erscheinungsjahr
2023
Zeitschriftentitel
European Journal of Psychotraumatology
Band
14
Ausgabe
2
Art.-Nr.
2228155
eISSN
2000-8066
Page URI
https://pub.uni-bielefeld.de/record/2980721

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Mattonet K, Scharpf F, Block KM, Kumsta R, Hecker T. No association between war-related trauma or PTSD symptom severity and epigenome-wide DNA methylation in Burundian refugees. European Journal of Psychotraumatology . 2023;14(2): 2228155.
Mattonet, K., Scharpf, F., Block, K. M., Kumsta, R., & Hecker, T. (2023). No association between war-related trauma or PTSD symptom severity and epigenome-wide DNA methylation in Burundian refugees. European Journal of Psychotraumatology , 14(2), 2228155. https://doi.org/10.1080/20008066.2023.2228155
Mattonet, Katharina, Scharpf, Florian, Block, Katrin Maria, Kumsta, Robert, and Hecker, Tobias. 2023. “No association between war-related trauma or PTSD symptom severity and epigenome-wide DNA methylation in Burundian refugees”. European Journal of Psychotraumatology 14 (2): 2228155.
Mattonet, K., Scharpf, F., Block, K. M., Kumsta, R., and Hecker, T. (2023). No association between war-related trauma or PTSD symptom severity and epigenome-wide DNA methylation in Burundian refugees. European Journal of Psychotraumatology 14:2228155.
Mattonet, K., et al., 2023. No association between war-related trauma or PTSD symptom severity and epigenome-wide DNA methylation in Burundian refugees. European Journal of Psychotraumatology , 14(2): 2228155.
K. Mattonet, et al., “No association between war-related trauma or PTSD symptom severity and epigenome-wide DNA methylation in Burundian refugees”, European Journal of Psychotraumatology , vol. 14, 2023, : 2228155.
Mattonet, K., Scharpf, F., Block, K.M., Kumsta, R., Hecker, T.: No association between war-related trauma or PTSD symptom severity and epigenome-wide DNA methylation in Burundian refugees. European Journal of Psychotraumatology . 14, : 2228155 (2023).
Mattonet, Katharina, Scharpf, Florian, Block, Katrin Maria, Kumsta, Robert, and Hecker, Tobias. “No association between war-related trauma or PTSD symptom severity and epigenome-wide DNA methylation in Burundian refugees”. European Journal of Psychotraumatology 14.2 (2023): 2228155.

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