HSPA5 and melanoma: MS-based profiling of exosomes, ectosomes, and apoptotic bodies derived from mouse B16-F1 melanoma in GO analysis revealed the enrichment of histones (H2A, H2B, H3.1, and H4) and heat shock proteins (HSPA5 and HSC71) in exosomes compared to ectosomes and apoptotic bodies.