Figure 4

PtdCho and PtdEtn do not accelerate cell differentiation. (a) Percentage of Nestin positive/βIII-tubulin positive cells (white bars) and Nestin negative/βIII-tubulin positive cells (black bars) after 1, 3 and 7 days in culture under the indicated conditions. (b) Percentage of Nestin positive/GFAP positive cells (white bars) and Nestin negative/GFAP positive cells (black bars) after 1, 3 and 7 days in culture under the indicated conditions. Graphs are representative of three independent experiments. Data were presented as mean ± SEM. *p < 0.05; a: p < 0.05.