Fig. 1: Lentiviral GFP labeling of MSCs.

Rap1 expression was negative in Rap1−/−-MSCs but positive in WT-MSCs, examined by immunostaining (a) and western blotting (b), respectively. c Rap1−/−-MSCs and WT-MSCs were successfully infected with lentiviral GFP, detected by immunostaining. N: non-significance. Scale bar = 200 μM.