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Figure 7 | Stem Cell Research & Therapy

Figure 7

From: Switching of mesodermal and endodermal properties in hTERT-modified and expanded fetal human pancreatic progenitor cells

Figure 7

Transplantation studies with hTERT-FPC. (a) shows DNA PCR for human sequences to identify hTERT-FPC in the liver of NOD/SCID mice 24 hours, 1 week, 2 weeks and 1 month after intrasplenic transplantation. (b-f) show in situ hybridization for alphoid satellite sequences in human centromeres to verify that transplanted cells were present in tissues. (b), fetal human liver as positive control to show hybridization signals in cell nuclei (arrow); (c), mouse liver showing absence of hybridization signals; (d), (e) and (f) show tissues from animals 24 hours, 1 week and 1 month after cell transplantation, respectively, with transplanted cells localized by nuclear in situ signals (arrows). (g-i) show sequential immunostaining for GFP (g) and insulin (h) with merged image of these two panels (i) two weeks after transplantation in the liver to verify β cell phenotype in transplanted hTERT-FPC.

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