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Morphology of lysosomes in MPS fibroblasts in comparison to control cells (HDFa cell line). Representative electron micrographs are presented in (A) (size bars represent 500 nm; arrows indicate changes in these structures). Quantification of changes in lysosomes is presented in (B). Mean values ± SD are presented, with asterisks representing statistically significant (p < 0.05) differences relative to the HDFa control.
