LINGO1 and autism: Further qPCR confirmed Lingo1 (Leucine rich repeat and immunoglobulin‐like domain‐containing protein 1),45, 46 a transmembrane signalling protein expressed in both neurons and oligodendrocytes which inhibits oligodendrocyte differentiation, axonal regeneration and myelin production, were significantly upregulated in autism and significantly improved after AVP treatment.