Figure 7. Keratan sulfate staining in
CSSC, ADSC, and CF cultured in fibrin gels or as pellets in different
media. Frozen sections of pellet and fibrin gel cultures were stained
with antibody J19 against keratan sulfate (green) and nuclei (red)
after 3 weeks of culture in different media. Abbreviations: CSSC:
corneal stromal stem cells, ADSC: Adipose-derived stem cell, Adv:
Advanced DMEM, FGF: fibroblast growth factor 2, HS: heparin stripped
horse serum, CE: bovine corneal extract. Scale bars=50 μm.