Figure 5: Immunohistochemistry for Collagen Type II (red; cell nuclei stained in blue with DAPI)
Cartilage microtissues stained for collagen type II after two and four weeks in culture. A/E: basal medium (bm), B/F: bm + TGF-ß1, C/G: bm + TGF-ß2, D/H: bm + TGF-ß1 + BMP-7. 10x objective; scale bars = 200 μm.
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