sentence: A number of other miRNA that are up-regulated in response to fear conditioning and neural stimulation are known to increase mTOR-dependent protein synthesis via PTEN or Fox01 regulation ( miR-21-5p , miR-22-3p , miR-27a-3p , miR-106b-5p , miR-139-5p ) , but these miRNA were not investigated further in Kye et al. ’ s ( 2011 ) .