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Fig. 3 | Stem Cell Research & Therapy

Fig. 3

From: Short-wave enhances mesenchymal stem cell recruitment in fracture healing by increasing HIF-1 in callus

Fig. 3

Radiographs and micro-CT of the femur. a Radiographs of SD rat’s femur. Callus formation was seen in the control group as well as in the SW group (n = 4/group). b The normalized radiographic density of the femur in control and different treatment. The higher radiographic density turned out in the SW group at day 14 and day 21 post-operation. After 28 days, no obvious fracture gap was found in each group. c Micro-CT images of the fracture (SD rats). More callus and narrow gaps were seen in the SW group at day14 (n = 4/group). d Analysis of ROI bone volume fraction (BV/TV) in the control and SW groups. Arrows in a and c represent fractures. Data represent mean ± SD. Differences were assessed on each day by performing one-way ANOVA. *P < 0.05. Con control, SW Short-Wave treatment

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