Fig. 1

H&E staining (A-C), and type IV collagen staining (D-F) of untreated and decellularized porcine aortas. (A, D) Untreated aortas, (B, E) SDS and (C, F) HHP decellularized aortas. Scale bar : 50 μm. (G)Quantification of collagen IV-positive area in decellularized aortas. *p < 0.05. (n = 5).