GFAP and post-traumatic stress disorder: Two weeks before PTSD modeling, we co-injected a GFAP-Cre-mCherry with pSico-scrambled (Sc) short hairpin RNA (shRNA) or MAOB shRNA (shMAOB) into the IL cortex, generating the Sc+PTSD and shMAOB+PTSD groups, respectively (Fig. 6a, b).