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Indirect co-culture of MSCs and ECs. (A) MSCs were indirectly co-cultured with ECs (heterogeneous) or MSCs (homogeneous) using the Transwell culture system. (B) Real-time RT-PCR analysis of PECAM and SMActin expression for MSCs indirectly co-cultured with (●) macroECs, (○) microECs, or (▲) MSCs over 10 days. Error bars represent 95% confidence intervals.
