Developmental programming and transgenerational effects Flashcards
What is Barker’s hypothesis?
Programming during development
What is the equivalent in humans for pregnancy in brain development
first two trimesters
What represents the third trimester in mice development?
First 2 postnatal weeks
Whht is the mechanisms that makes more GR in hippocampus of high licking pups
More serotonin-> activation of NGFI-A-> binds to 1-7 exon splice varient
What is the epigenetic effect found with low vs high lG mothers
Hypermethylation of genes in low LG
What is the alternative to methylation that was present?
5-Hydroxymethylcytosine
What is the effect on the negative feedback loop of stress?
Decreased negative feedback to the HPA axis
Give examples of early-life stress models
Baram-limited bedding model; Mansuy-transgenearational transmission of stress
What is the low high LG model called?
Meaney
What is the low high LG model called?
Meaney