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GM3 expression after osteochondral injury in WT mice (A–L). Four weeks (A–D), 6 weeks (E–H), and 8 weeks (I–L) after osteochondral injury. GM3 expression in 8-week-old GM3−/− mice (M,N). White dotted lines show the margin of the patella groove. Representative histology with hematoxylin & eosin at 4 weeks (O), 6 weeks (P), and 8 weeks (Q). The scale bars show 100 μm.
