At the end of each experiment, the tibias of the mice were fixed in 4% paraformaldehyde. Samples were scanned using micro-CT (μCT 80; Scanco, Zurich, Switzerland) as previously described (38 (link)). The micro-CT parameters were as follows: voltage, 70 kV; electric current, 114 μA; and resolution, 10 μm per pixel. Three-dimensional structural parameters, including bone volume fraction (BV/TV), trabecular number (Tb.N), trabecular thickness (Tb.Th) and trabecular separation (Tb.Sp), were analyzed (38 (link), 39 (link)).
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