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Histological and immunohistochemical assessment of urethral reconstruction in animals using cell-loaded, decellularized SIS scaffolds (Cell seeded PAA) showing regrowth of layers of transitional epithelium, more smooth muscle, and vessels in contrast to the cell loaded but non-decellularized (Cell seeded non-PAA) and non-loaded, decellularized scaffolds (Unseeded PAA). Scale bar = 20 μm. (reproduced with permission from [68]). © 2016 Zhang et al.
