Interaction between the functional SNP rs2070951 in NR3C2 gene and high levels of plasma corticotropin-releasing hormone associates to postpartum depression

Alfonso Gutiérrez-Zotes, Roberto Díaz-Peña, Javier Costas, Lourdes Martorell, Estel Gelabert, Teresa Sans, Ricard Navinés, Glòria Albacar, María Luisa Ímaz, Luisa García-Esteve, Julio Sanjuan, Rocio Martín-Santos, Angel Carracedo, Elisabet Vilella

Research output: Contribution to journalArticleResearch

Abstract

© 2019, Springer-Verlag GmbH Austria, part of Springer Nature. Postpartum depression (PPD) is a common mood disorder that occurs after delivery with a prevalence of approximately 10%. Recent reports have related placental corticotropin-releasing hormone (pCRH) to postpartum depressive symptoms. The aim of this study was to determine whether pCRH, ACTH, and cortisol (measured 48 h after delivery) and glucocorticoid and mineralocorticoid receptor genotypes (NR3C1 and NR3C2) and their interaction are associated with PPD. A longitudinal 32-week prospective study of five hundred twenty-five Caucasian depression-free women that were recruited from obstetric units at two Spanish general hospitals immediately after delivery. Of the women included in the sample, forty-two (8%) developed PPD. A strong association between PPD and the interaction between the pCRH and NR3C2 rs2070951 genotype was observed. The mean level of pCRH in rs2070951GG carriers with PPD was 56% higher than the mean in the CG and CC genotype groups (P < 0.00005). Carriers of the rs2070951GG genotype with high levels of pCRH had a higher risk of developing PPD (OR = 1.020, 95% CI 1.007–1.034, P = 0.002). This association remained even after controlling for variables such as neuroticism, obstetric complications and the number of stressful life events during pregnancy. There is an important interaction between pCRH 48 h postpartum and the NR3C2 rs2070951GG genotype. This interaction moderately associates with the presence of PPD. These results may open a new line of research and, if confirmed in other settings, will help to identify better risk predictors and the treatment for PPD.
Original languageEnglish
JournalArchives of Women's Mental Health
DOIs
Publication statusPublished - 1 Jan 2019

Keywords

  • ACTH
  • Glucocorticoid receptor gene
  • Mineralocorticoid receptor gene
  • pCRH
  • Postpartum depression

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