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To examine whether hMSCs transplanted into chicken UB progenitor region have the potential to differentiate into their derivatives, d2EGFP-transfected hMSCs (hMSCsGFP) were transplanted. A modified New culture method [10] was used to culture early developing chicken embryos. When hMSCsGFP were transplanted into the WD/UB progenitor region (n = 9 cool , they Pomalidomide remained at the original position of transplantation even after 24 h ( Fig. 2A). This suggests that hMSCsGFP transplanted into the WD/UB progenitor region do not have the capacity to differentiate into their derivatives.
Fig. 2.
Transplantation of human mesenchymal stem cells (hMSCs) into the chicken embryos. (A) When d2EGFP-transfected hMSCs were transplanted into the Wolffian duct (WD)/the ureteric bud (UB) progenitor region, they remained at the original position of transplantation even after 24 h after transplantation (E2.5). (B) When chicken Pax2/d2EGFP-transfected hMSCs were transplanted into the WD/UB progenitor region, they migrated caudally along the elongating WD by 24 h after transplantation.