Fig. 5
From: In vitro chondrogenesis of Wharton’s jelly mesenchymal stem cells in hyaluronic acid-based hydrogels
Safranin O staining of GAG deposition in WJ-MSC-seeded hydrogels during chondrogenesis. a WJ-MSCs cultured in HyStem hydrogel in the presence of growth medium after 21 days of culture. b WJ-MSCs cultured in HyStem hydrogel in the presence of chondrogenic medium after 21 days of culture. c WJ-MSCs cultured in HyStem-C hydrogel in the presence of growth medium after 21 days of culture. d WJ-MSCs cultured in HyStem-C hydrogel in the presence of chondrogenic medium after 21 days of culture. Images taken using a Nikon Eclipse TS100 inverted microscope at a magnification of 200×; the scale bar is 100 μm