Wang Wang Z Z ,  Miao Miao G G ,  Xue Xue X X ,  Guo Guo X X ,  Yuan Yuan C C ,  Wang Wang Z Z ,  The Vici Syndrome Protein EPG5 Is a Rab7 Effector that Determines the Fusion Specificity of Autophagosomes with Late Endosomes/Lysosomes The Vici Syndrome Protein EPG5 Is a Rab7 Effector that Determines the Fusion Specificity of Autophagosomes with Late Endosomes/Lysosomes . The gene discussed is EPG5; the disease is Down syndrome.