Fig. 5From: Ultrasonic microbubbles promote mesenchymal stem cell homing to the fibrotic liver via upregulation of CXCR4 expressionExpression of CXCR4 by WB (n = 6). a WB of CXCR4 in the M group, M + U60s group, M + UTMD 60 s group, M + UTMD 90 s group, M + UTMD 180 s group. b Quantification of CXCR4 expression was performed by Image J software. All values are expressed as the mean ± SD. **P < 0.01; n = 6Back to article page