Wnt/β-catenin/TCF signaling stimulates bone formation and suppresses adipogenesis. The hallmarks of skeletal involution with age, on the other hand, are decreased bone formation and increased bone marrow adiposity. These changes are associated with increased oxidative stress and decreased growth factor production, which activate members of the FOXO family of transcription factors. FOXOs in turn attenuate Wnt/β-catenin signaling by diverting β-catenin from TCF- to FOXO-mediated transcription. We show herein that mice lacking
Srividhya Iyer, Elena Ambrogini, Shoshana M. Bartell, Li Han, Paula K. Roberson, Rafael de Cabo, Robert L. Jilka, Robert S. Weinstein, Charles A. O’Brien, Stavros C. Manolagas, Maria Almeida
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