Objectives: Bone fractures affect the activities of daily living and lower quality of life, so investigating preventative measures is important. We developed novel stimulation equipment that combined a vibration stimulus with a shaking stimulus for preventing osteoporosis (one of the causes of bone fractures). We aimed to investigate the effect of this equipment on ovariectomized mice.
Methods: Oophorectomy of 8-week-old female mice was done. The stimulation group was stimulated for 10 consecutive weeks.
Results: The stimulation group showed significantly higher values (p<0.05) for osteoid thickness, osteoid volume-to-bone volume ratio and mineral apposition rate than those in the non-stimulation control group. The stimulation group showed significantly higher values (p<0.05) compared with the non-stimulation for expression of bone morphogenetic protein-2, interleukin-1β, interleukin-6 and myogenic determination gene in quadriceps femoris muscles (QFMs).
Conclusions: These data suggest that cytokine secretion by QFMs carried a humoral factor throughout the body the blood and blood vessels and acted on bone and various organs. Development of this stimulation method and its clinical application, new methods for preventing and treating osteoporosis could ensue.
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| http://dx.doi.org/10.20407/fmj.2018-006 | DOI Listing |
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