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Fig. 1 | Stem Cell Research & Therapy

Fig. 1

From: The optimal time to inject bone mesenchymal stem cells for fracture healing in a murine model

Fig. 1

Representative photographs of fluorescence imaging and semiquantitative analysis. a Fluorescence was examined at days 7, 14, 28, and 42 after femur fracture in mice, transplantation of bone marrow mesenchymal stem cells (BMSCs) (left panel) or AMD3100 (injected half an hour before BMSC injection, right panel) at 1 day (left column), 7 days (middle column), and 14 days later (right column) after fracture. The fractured and contralateral unfractured femurs are shown in every photo. Graded color bar indicates fluorescence signal intensity expressed as photons/seconds/cm2/steradian. b Semiquantitative analysis of fluorescence signals. Signal at the fracture site region of interest [7] was normalized to the background signal found in a similar region of interest in the contralateral unfractured femur. (n = 6 mice). P < 0.05 was considered to indicate statistical significance .(dg = day group)

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