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Mesenchymal stem cells (MSCs) senescence is an age-related process that impairs the capacity for tissue repair and compromises the clinical use of autologous MSCs for tissue regeneration. Here, we describe the effects of SIRT1, a NAD(+)-dependent deacetylase, on age-related MSCs senescence. Knockdown of SIRT1 in young MSCs induced cellular senescence and(More)
BACKGROUND The therapeutic efficiency of bone marrow mononuclear cells (BMMNCs) autologous transplantation for myocardial infarction (MI) remains low. Here we developed a novel strategy to improve cardiac repair by preconditioning BMMNCs via angiotensin II type 2 receptor (AT2R) stimulation. METHODS AND RESULTS Acute MI in rats led to a significant(More)
Human endometrial stem cells (EnSCs) have the potential to be 'off the shelf' clinical reagents for the treatment of heart failure. Here, using an immunocompetent rat model of myocardial infarction (MI), we provide evidence that the functional benefits of EnSC transplantation are principally and possibly exclusively through a paracrine effect. Human EnSCs(More)
Autophagy is the basic catabolic progress involved in cell degradation of unnecessary or dysfunctional cellular components. It has been proven that autophagy could be utilized for cell survival under stresses. Hypoxic-preconditioning (HPC) could reduce apoptosis induced by ischemia and hypoxia/serum deprivation (H/SD) in bone marrow-derived mesenchymal stem(More)
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