PARK7 and Danon disease: DJ-1 protein is a stable protein in the cell, here we have extended previous results to several cell lines, showing that treatment with CHX for 24h did not change the amount of DJ-1 protein in MEF from wild type or LAMP-2 knock-out mice, control N2a cells and interrupted with an shRNA for LAMP-2 or in B-LCL from control or from a patient with Danon disease.