948320.fig.002a
(a)
948320.fig.002b
(b)
948320.fig.002c
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948320.fig.002d
(d)
Figure 2: Immunohistochemical DAB staining (brown staining) of decellularized porcine esophagus tissue for collagen III (a), fibronectin (b), collagen IV (c), and elastin (d) in comparison to natural esophagus (small pictures). The arrow heads mark vessels. Decellularized esophagus scaffolds were shown to maintain native extracellular matrix composition. Original magnification: x40 (a and d) and x100 (b and c); bar = 100 μm.