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. 2013 Apr 16;62(5):1665–1675. doi: 10.2337/db12-0242

FIG. 1.

FIG. 1.

Allogeneic (BALB/c) or syngeneic (C57BL/6) islets were transplanted into diabetic C57BL/6 recipient mice and harvested at day 14 after transplantation. P2XR mRNA levels were compared with untransplanted BALB/c islets (Baseline). A: Higher P2X1R expression was evident in syngeneic and allogeneic transplanted islets compared with baseline (n = 3, **P < 0.01), whereas higher expression of P2X7R was observed specifically in the allogeneic graft (n = 3; *P < 0.05). Immunohistochemical analysis showed positive staining for P2X7 in infiltrating mononuclear cells with absence of staining in islet and kidney parenchymal cells by hematoxylin and eosin (H&E) (B) and P2X7R (C).