Fig. 5From: Electrospun fibers enhanced the paracrine signaling of mesenchymal stem cells for cartilage regenerationCharacterization of MSC paracrine factors. mRNA expression (a) and protein concentration (b) of secretory factors in MSCs cultured on TCP, aligned and randomly oriented fiber sheets. a Real-time PCR data represent the mean ± SD, n ≥ 6 per group, from 3 independent experiments. * denotes p < 0.05 compared to MSCs cultured on TCP; ŧ denotes p < 0.05 compared to MSCs cultured on aligned fibers. b Luminex assay data represent the mean ± SD, n = 4 per group, from 2 MSC donors. * denotes p < 0.05 compared to TCM; ŧ denotes p < 0.05 compared to ACMBack to article page