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. 2014 Jan 16;3(3):299–307. doi: 10.5966/sctm.2013-0120

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Figure 5. — Wharton’s jelly-derived mesenchymal stem cell (WJ-MSC) one-way paracrine signaling effects on human keloid skin fibroblast apoptosis and migration. A TUNEL kit was used to measure apoptosis (A, B), and a scratch wound assay (C, D) was performed to examine keloid migration, after treatment with WJ-MSC-CM or nonconditioned medium, in three different keloid samples. Abbreviations: CTRL, control; DAPI, 4′,6-diamidino-2-phenylindole; TUNEL, terminal deoxynucleotidyl transferase dUTP nick-end labeling; WJ-MSC-CM, Wharton’s jelly-derived mesenchymal stem cell-conditioned medium.