Figure 8From: IGF-1 enhances cell proliferation and survival during early differentiation of mesenchymal stem cells to neural progenitor-like cellsQuantitative RT-PCR analysis ( n = 3). (A) Expression plots of the nestin gene (green), the neurofilament gene (red) and the housekeeping gene (orange). (B) Histograms showing quantification of NES and NEFL at the indicated time. Results are expressed as the mean ± SD. *p < 0.05.Back to article page