C. qRT-PCR analysis of Fam134b and Lamp1 from medaka fish embryos treated with FGF18 (50 ng/mL) for 24h. Values were normalized to Hprt gene and expressed as fold change relative to untreated fish. N= 5 biological replicates. Mean +/- standard error of the mean (sem). Paired Student's T-test **p<0.005; *p<0.05. 