Osteoporosis-;weakening of the bones with age-;affects millions worldwide, and this figure is increasing annually as the global population ages.
Osaka UniversityJul 1 2024 It is associated with the aging, or 'senescence', of bone cells, but the underlying cell types and mechanisms were unclear. Now, however, a research team from Osaka University has identified a key osteoporosis-related gene, Men1, and developed a new animal model of this disease.
A gene called Men1 is linked to a genetic condition known as MEN1, causing benign tumors and associated with both cellular senescence and the development of osteoporosis early in life. The team investigated the role of Men1 in age-related osteoporosis and found that elderly mice showed both reduced levels of Men1 and increased activity of senescence-related genes in osteoblasts.
This new mouse model is particularly important because most studies of osteoporosis use elderly mice to mimic the human symptoms. However, natural aging involves multiple factors that influence the onset of osteoporosis, including reduced activity with increasing age and menopause-related hormonal changes.
Aging Animal Model Bone Cell Gene Mouse Model Osteoblast Phenotype Research Technology
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