Author Interviews, Genetic Research, Nature, Social Issues / 14.04.2014
Traumatic Stress Effects In Early Life Can Be Transmitted To Offspring
MedicalResearch.com Interview with:
Prof Dr Isabelle Mansuy
Lab of Neuroepigenetics
University/ETH Zürich
Brain Research Institute
Zürich Switzerland
MedicalResearch.com: What are the main findings of the study?
Prof. Mansuy: The mains findings are that the transmission of the effects of traumatic stress in early life involves small non-coding RNAs in sperm. The study shows that some microRNAs are in excess in the sperm of adult males subjected to trauma during early postnatal life, but are also altered in the brain and in blood, and that these alterations are associated with behavioral and metabolic symptoms including depressive behaviors, reduced risk assessment and altered glucose/insulin metabolism. Injecting sperm RNA in fertilized oocytes reproduces these symptoms and confirm that RNA are the responsible factors.
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