The invention relates to treatment and/or prevention of nerve injury. In one embodiment, the present invention provides a method of preserving the neuromuscular junction (NMJ) in an individual by administering a therapeutically effective dosage of a composition comprising an inhibitor of Wnt3a, and an inhibitor of MMP3 to the individual. In another embodiment, the present invention provides a method of stabilizing NMJ after nerve injury by inhibiting the WNT and beta-catenin signaling pathway and preserving agrin.
