Figure 4. FGF10 increases the expression of Muc1, Muc4, and Muc5ac mRNA. RT–PCR analysis showed that the expressions of Muc1, Muc4, and Muc5ac mRNA were upregulated significantly in epithelial cells treated with FGF10 (1, 10, 100, or 200 ng/ml) for 24 h (A) or 48 h (B), compared to the negative group. Data were the mean±SEM of 3 experiments performed in quadruplicate. *p<0.05 versus blank (cells treated with 1% FBS).