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. 2011 Sep;25(9):3045–3056. doi: 10.1096/fj.10-178384

Figure 2.

Figure 2.

A) Viability of L-aptamer-MSCs and unmodified PBS-MSCs immediately after modification (0 h) and after 48 h. B) Adherence of L-aptamer-MSCs and PBS-MSCs measured at 10, 30, and 90 min. C) Proliferation of L-aptamer-MSCs and PBS-MSCs over 8 d. D) Alkaline phosphatase (ALP) and oil red O (ORO) staining, 23 d after addition of osteogenic and adipogenic differentiation medium, respectively. Negative controls (L-aptamer-MSCs cultured in expansion medium) showed no ORO or ALP staining. Positive controls (PBS-MSCs in differentiating medium) showed positive ORO and ALP staining. Experimental group (L-aptamer-MSCs in respective differentiating medium) showed positive staining for both ORO and ALP.