Fig. 9From: Ultrasonic microbubbles promote mesenchymal stem cell homing to the fibrotic liver via upregulation of CXCR4 expressionExpression of SDF-1 by WB (n = 3). a WB of SDF-1 in the Control group, US 60 s group, US + microbubble 60 s group, b Quantification of SDF-1 expression was performed by Image J software. All values are expressed as the mean ± SD. **P < 0.01; n = 3Back to article page