Risedronate and Mechanical Loading Effects on Bone Mass in Mice
Author Information
Author(s): Toshihiro Sugiyama, Lee B. Meakin, Gabriel L. Galea, Brendan F. Jackson, Lance E. Lanyon, Frank H. Ebetino, Graham G. Russell, Joanna S. Price
Primary Institution: The Royal Veterinary College, University of London
Hypothesis
Does the combination of risedronate and mechanical loading have an additive or synergistic effect on bone structure?
Conclusion
Risedronate does not impair the bone mass increase from mechanical loading in mice.
Supporting Evidence
- Risedronate increased trabecular bone volume at higher doses.
- Mechanical loading significantly increased both trabecular and cortical bone mass.
- Risedronate did not reduce the osteogenic effect of mechanical loading.
Takeaway
This study shows that giving mice a drug called risedronate and making them exercise can both help their bones get stronger, but one doesn't stop the other from working.
Methodology
Female C57BL/6 mice were treated with risedronate and subjected to mechanical loading, with bone structure analyzed using micro-computed tomography.
Limitations
The study was conducted over a short treatment period and only in female mice.
Participant Demographics
Seventeen-week-old female C57BL/6 mice.
Statistical Information
P-Value
<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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