The amino acid transporter LAT1 coordinates proper motor function at the perinatal stage. - Sadamori K; Hiraiwa M; Horie T; Tokumura K; Fukasawa K; Sahashi K; Hayashida S; Kubo T; Yoshimoto M; Tsuji S; Ishigaki Y; Katsuno M; et al. (Cell death & disease, 2026)