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Symptoms of prenatal depression associated with shorter telomeres in female placenta

Garcia Martin, Isabel, Penketh, Richard J. A., Garay, Samantha M., Jones, Rhiannon E., Grimstead, Julia W., Baird, Duncan M. and John, Rosalind M. 2021. Symptoms of prenatal depression associated with shorter telomeres in female placenta. International Journal of Molecular Sciences 22 (14) , 7458. 10.3390/ijms22147458

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Abstract

Background. Depression is a common mood disorder during pregnancy impacting one in every seven women. Children exposed to prenatal depression are more likely to be born at a low birth weight and develop chronic diseases later in life. A proposed hypothesis for this relationship between early exposure to adversity and poor outcomes is accelerated aging. Telomere length has been used as a biomarker of cellular aging. We used high-resolution telomere length analysis to examine the relationship between placental telomere length distributions and maternal mood symptoms in pregnancy. Methods. This study utilised samples from the longitudinal Grown in Wales (GiW) study. Women participating in this study were recruited at their presurgical appointment prior to a term elective caesarean section (ELCS). Women completed the Edinburgh Postnatal Depression Scale (EPDS) and trait subscale of the State-Trait Anxiety Inventory (STAI). Telomere length distributions were generated using single telomere length analysis (STELA) in 109 term placenta (37–42 weeks). Multiple linear regression was performed to examine the relationship between maternally reported symptoms of depression and anxiety at term and mean placental telomere length. Results: Prenatal depression symptoms were significantly negatively associated with XpYp telomere length in female placenta (B = −0.098, p = 0.026, 95% CI −0.184, −0.012). There was no association between maternal depression symptoms and telomere length in male placenta (B = 0.022, p = 0.586, 95% CI −0.059, 0.103). There was no association with anxiety symptoms and telomere length for either sex. Conclusion: Maternal prenatal depression is associated with sex-specific differences in term placental telomeres. Telomere shortening in female placenta may indicate accelerated placental aging

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Biosciences
Additional Information: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Publisher: MDPI
ISSN: 1661-6596
Funders: MRC, CRUK
Date of First Compliant Deposit: 8 July 2021
Date of Acceptance: 8 July 2021
Last Modified: 31 Jan 2022 07:24
URI: https://orca.cardiff.ac.uk/id/eprint/142475

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