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Using a Murine Model of Psychosocial Stress in Pregnancy as a Translationally Relevant Paradigm for Psychiatric Disorders in Mothers and Infants
Published on: June 13, 2021
Social Interactions and Cell Aging Dynamics in Postpartum Women.
Nourit Houminer-Klepar1, Shiran Bord2, Elissa Epel3
1School of Public Health, Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa, Israel.
High marital satisfaction in first-time mothers is linked to longer telomere length (TL) during the first year postpartum. Positive social interactions may influence biological aging, impacting maternal health.
Area of Science:
- Reproductive Health
- Genetics
- Psychology
Background:
- Psychosocial stressors are associated with poorer health and shorter telomere length (TL).
- Positive social interactions may improve postpartum physical and mental health.
- Longitudinal effects of psychosocial stressors on telomere dynamics in the postpartum period are understudied.
Purpose of the Study:
- To investigate the impact of positive and negative social interactions on telomere length dynamics in first-time mothers during the first year postpartum.
Main Methods:
- A cohort of 103 first-time mothers provided blood samples for leukocyte telomere length analysis.
- Validated measures assessed social support, marital satisfaction, and depressive symptoms.
- Hierarchical linear and logistic regressions analyzed the association between social interactions and change in telomere length, adjusting for covariates.
Main Results:
- Three telomere dynamics patterns were observed: shortening, moderate lengthening, and high lengthening.
- Higher marital satisfaction was associated with a 4-fold increased likelihood of substantial telomere lengthening (OR = 3.997, p = .013).
- Negative social interactions showed initial associations but did not remain significant after multiple comparison adjustment.
Conclusions:
- Marital satisfaction demonstrates a robust association with postpartum telomere lengthening.
- Quality of intimate partnership may be crucial for maternal biological aging and overall health in the postpartum period.
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