SLC6A4 and Anxiety: Given previous reports indicating that intra-amygdala injections of mCPP were able to elicit anxiogenic responses in rodents [29,30], and the known role of this brain region in rodent and human anxiety, we focused our efforts on characterizing the RNA editing profile of 5-HT2CR in amygdala of SERT -/- mice compared to that of their SERT +/+ littermates.