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Metabolomic analysis of supernatants collected from primary cultures of human skin fibroblasts after 72 h incubation in conditioned media from cancer cells or bottle (blank) media (n = 6 per group; Fig S3A). Reference media show basal level of metabolites in the bottle media (Ref media blank) and conditioned media from PC-3M cells (Ref. media PC-3M; n = 2 per group).
