The meninges host a unique compartment of regulatory T cells that bulwarks adult hippocampal neurogenesis. - Marin-Rodero M; Reyes EC; Walker AJ; Jayewickreme T; Pinho-Ribeiro FA; Richardson Q; Jackson R; Chiu IM; Benoist C; Stevens B; Trejo JL; Mathis D (BioRxiv : the preprint server for biology, 2024)