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Gene regulator in brain's executive hub tracked across lifespan
2. 2 2012 (21:11)
Scientists have tracked the activity, across the lifespan, of an environmentally responsive regulatory mechanism that turns genes on and off in the brain's executive hub. Genes implicated in schizophrenia and autism are among those in which regulatory activity peaks during an environmentally-sensitive critical period in development. The mechanism, called DNA methylation, abruptly switches from off to on within the human brain's prefrontal cortex during this pivotal transition from fetal to postnatal life.
