Partial replication of two rumination-related candidate gene studies

Carol A. Van Hulle, Sierra Clifford, Mollie N. Moore, Kathryn Lemery, H. Hill Goldsmith

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Two recent papers associated candidate genes with brooding rumination, a possible cognitive endophenotype for depression, in children ages 8–14 years. Stone et al. reported that BDNF val66met polymorphism predicted brooding in adolescence. Woody et al. reported that children carrying at least one copy of a CRHR1 TAT haplotype reported less brooding than their peers in the presence of maternal depression. We attempted to replicate and extend these findings in a sample of twins aged 12–16 years. We analyzed the BDNF val66met (rs6265) polymorphism and two (rs242924 and rs7209436) out of three single nucleotide polymorphisms (SNPs) that Woody et al. used to create a CRHR1 haplotype. We controlled for maternal history of depression and clustering within families. Unlike Stone et al., we found higher brooding among BDNF Met carriers. This main effect was qualified by an interaction with pubertal status, with the effect driven by more physically mature participants. Similar to Woody et al., we found an interaction between CRHR1 SNPs and maternal depression, with the homozygous minor genotype acting as a protective factor against brooding in the presence of maternal depression. Findings provide partial support for the influence of candidate genes in two environmentally sensitive systems on brooding.

Original languageEnglish (US)
Pages (from-to)1-9
Number of pages9
JournalCognition and Emotion
DOIs
StateAccepted/In press - Apr 14 2016

Fingerprint

Depression
Brain-Derived Neurotrophic Factor
Mothers
Genes
Haplotypes
Single Nucleotide Polymorphism
Endophenotypes
Cluster Analysis
Genotype
Replication
Gene
Rumination
Polymorphism
Interaction

Keywords

  • adolescence
  • BDNF
  • Brooding
  • candidate gene
  • CRHR1
  • depression

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Arts and Humanities (miscellaneous)
  • Developmental and Educational Psychology

Cite this

Partial replication of two rumination-related candidate gene studies. / Van Hulle, Carol A.; Clifford, Sierra; Moore, Mollie N.; Lemery, Kathryn; Goldsmith, H. Hill.

In: Cognition and Emotion, 14.04.2016, p. 1-9.

Research output: Contribution to journalArticle

Van Hulle, Carol A. ; Clifford, Sierra ; Moore, Mollie N. ; Lemery, Kathryn ; Goldsmith, H. Hill. / Partial replication of two rumination-related candidate gene studies. In: Cognition and Emotion. 2016 ; pp. 1-9.
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