VAChT overexpression increases acetylcholine at the synaptic cleft and accelerates aging of neuromuscular junctions. Alzforum, 14 Oct 2016 Sugita S, Fleming LL, Wood C, Vaughan SK, Gomes MP, Camargo W, Naves LA, Prado VF, Prado MA, Guatimosim C, Valdez G.