Article
SIRT1 regulates differentiation of mesenchymal stem cells by deacetylating β-catenin.
EMBO molecular medicine - 1 Mar 2013
Simic Petra, Zainabadi Kayvan, Bell Eric, Sykes David B, Saez Borja, Lotinun Sutada, Baron Roland, Scadden David, Schipani Ernestina, Guarente Leonard
Abstract excerpt
Mesenchymal stem cells (MSCs) are multi-potent cells that can differentiate into osteoblasts, adipocytes, chondrocytes and myocytes. This potential declines with aging. We investigated whether the sirtuin SIRT1 had a function in MSCs by creating MSC specific SIRT1 knock-out (MSCKO) mice. Aged MSCKO mice (2.2 years old) showed defects in tissues derived from MSCs; i.e. a reduction in subcutaneous fat, cortical...
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