Temporal expression of IGFBP-4 mRNA in embryonic rat brains. The level of IGFBP-4 mRNA in embryonic brains changed from days E10.5 to E18.5 and reached a peak at days of E13.5 and E14.5. RQ of IGFBP-4 mRNA in the brains before birth was significantly higher than that at P0 (*P < 0.05).
Jiang et al. BMC Neuroscience 2013 14:132 doi:10.1186/1471-2202-14-132