Telomere Length and Psychopathology: Specificity and Direction of Effects Within the Bucharest Early Intervention Project

Telomere length (TL) has been linked to several psychiatric conditions in children and adults. Telomere shortening is accelerated by early adversity, including maltreatment and psychosocial deprivation. These experiences also increase the risk of psychopathology in many domains. Two fundamental issu...

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Veröffentlicht in:Journal of the American Academy of Child and Adolescent Psychiatry 2020-01, Vol.59 (1), p.140-148.e3
Hauptverfasser: Wade, Mark, Fox, Nathan A., Zeanah, Charles H., Nelson, Charles A., Drury, Stacy S.
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container_end_page 148.e3
container_issue 1
container_start_page 140
container_title Journal of the American Academy of Child and Adolescent Psychiatry
container_volume 59
creator Wade, Mark
Fox, Nathan A.
Zeanah, Charles H.
Nelson, Charles A.
Drury, Stacy S.
description Telomere length (TL) has been linked to several psychiatric conditions in children and adults. Telomere shortening is accelerated by early adversity, including maltreatment and psychosocial deprivation. These experiences also increase the risk of psychopathology in many domains. Two fundamental issues remain unresolved. The first concerns the specificity of the relations between TL and different dimensions of psychopathology; and the second relates to the direction of association between TL and psychopathology. This study addressed these shortcomings in a 2-fold manner. First, the association between TL and statistically independent general, internalizing, and externalizing psychopathology factors was examined to determine the specificity of this relation. Second, a 2-wave longitudinal cross-lagged model was used to explicitly examine the direction of the relation between TL and each psychopathology factor. Data were drawn from the Bucharest Early Intervention Project, a longitudinal study exploring the impact of severe psychosocial deprivation on child health and development (N = 195). At 8 to 10 and 12 to 14 years of age, buccal DNA was collected and teachers and/or caregivers reported on different domains of psychopathology. Longitudinal path analyses showed that shorter TL was specifically associated with higher internalizing psychopathology at 8 to 10 years of age. In contrast, at 12 to 14 years, shorter TL was associated with higher general psychopathology. Most telling, internalizing psychopathology at 8 to 10 years predicted shorter TL at 12 to 14 years, with no reciprocal effects. Results suggest that telomere erosion could be a consequence of distress-related psychopathology rather than a selection mechanism for later psychiatric problems. The Bucharest Early Intervention Project; https://clinicaltrials.gov/; NCT00747396.
doi_str_mv 10.1016/j.jaac.2019.02.013
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subjects Adolescent
Adversity
Caregivers
Child
Child & adolescent psychiatry
Child abuse & neglect
Child development
Child Health
Children
Deoxyribonucleic acid
Deprivation
DNA
early adversity
Early intervention
externalizing problems
Female
general psychopathology
Humans
Internalization
internalizing problems
Longitudinal Studies
Male
Mental disorders
Psychiatry
Psychological distress
Psychopathology
Psychosocial Deprivation
Psychosocial factors
Teachers
Telomere - metabolism
telomere length
Telomere Shortening
title Telomere Length and Psychopathology: Specificity and Direction of Effects Within the Bucharest Early Intervention Project
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