Fig. 5From: Defined three-dimensional culture conditions mediate efficient induction of definitive endoderm lineage from human umbilical cord Wharton’s jelly mesenchymal stem cellsFlow cytometric analysis of the DE bona-fide marker CXCR4 at a day 0 and b day 7. Unlike the differentiated WJ-MSCs, the undifferentiated cells were negative to the expression of the surface protein CXCR4. Examples of flow cytometric images from a representative experiment. Data shown as mean ± SEM (n = 3)Back to article page