Figure 6. H&E and immunofluorescence staining of transplants 2 weeks after surgery. In the control group, transplants were infiltrated with a large number of inflammatory cells (A, asterisk), CD4+ (C, arrow) and CD8+ T cells (E, star); fewer inflammatory cells (B), CD4+ (D) and CD8+ T cells (F) were observed in the ACS group. (A, B; 200×, C-F; 400×).