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Accession IconGSE30081

Blueberry Diets during Early Development Only Is Sufficient to Prevent Senescence of Osteoblasts and Bone Loss in Adulthood

Organism Icon Rattus norvegicus
Sample Icon 12 Downloadable Samples
Technology Badge Icon Affymetrix Rat Genome 230 2.0 Array (rat2302)

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Appropriate nutrition during early development is essential for optimal bone mass accretion; however, linkage between early nutrition, childhood bone mass and prevention of bone loss later in life has not been extensively studied. In this report, we have demonstrated several fundamental issues in the field. 1) A significant prevention of ovariectomy (OVX) -induced bone loss from adult rats can occur with only 14 days consumption of a blueberry-containing diet immediately prior to puberty. 2) The molecular mechanisms underlying these effects involve increased myosin production and preserved a shuttle for transcription factors such as Runx2 from cytoplasm to nucleolus which stimulates osteoblast differentiation and reduces mesenchymal stromal cell senescence. 3) The effects of blueberry diet on preserving fidelity of osteoblast differentiation also overcome reduced osteoblast differentiation and activity due to OVX-induced degradation of collagen matrix.
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