Table 2: Protein expression of VEGF165 in mesenchymal stem cells supernatant after transfection under different ultrasound conditions ( , ng/mL).

Various ultrasound conditionsProtein expression of VEGF165
ETMI24 h48 h72 h

0.6
30 s1.0
1.4

0.6
60 s1.0
1.4

0.6 * * *
90 s1.0
1.4

* , versus groups with ET 30 s and MI 0.6, 1.0, and 1.4, respectively.