Figure 2From: Delayed union of femoral fractures in older rats:decreased gene expressionChange in the mRNA expression of BMP-2 (top), BMP-4 (middle), and the type IA BMP receptor (bottom) with time after mid-diaphyseal femoral fracture in rats at 6 weeks (younger) and 15 months (older) of age. The data are presented as in Fig. 1.Back to article page