Lysosomal hydrolases are present in melanosomes and are elevated in melanizing cells.


Melanosomes, the subcellular site of melanin synthesis and deposition, may be related to the endolysosomal lineage of organelles. To determine if melanosomes contain lysosomal hydrolases, we examined the subcellular distribution of five of these enzymes in melanocytes cultured from C57BL/6J mice. Analyses of Percoll gradient density centrifugations… (More)


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