Zebrafish mecp2 null-mutation increases anxiety and cortisol levels but no change in adult social preference and larval chemically-induced hyperlocomotion. - Shams, Soaleha; Cronell, Pierre; Landin, Jenny; Pietri, Thomas; Gimdal, Adrian Ekehorn; Kettunen, Petronella; Westberg, Lars (BMC Neuroscience, 2025)