MECP2 and Anxiety: For example, PV-Mecp2-/y, CAMKII-Mecp2-/y, and MeCP2 region-specific deletion from the basolateral amygdala (BLA) results in anxiety-like behavior and impaired learning ability (Adachi et al., 2009; Chen et al., 2001; Ito-Ishida et al., 2015; Gemelli et al., 2006).