Effect of advanced glycosylation end products (AGEs) on proliferation of human bone marrow mesenchymal stem cells (MSCs) in vitro
2012
Lu, Yi-qun | Lu, Yan | Li, Hui-juan | Cheng, Xing-bo
This study aims to explore the effect of advanced glycosylation end products (AGEs) on proliferation of human bone marrow mesenchymal stem cells in vitro and the underlying mechanism. Bone marrow cell proliferation was determined by WST-8 assay using Cell Counting Kit-8 under the intervention of AGEs. In addition, the content of maldondialdehyde (MDA) and the activity of superoxide dismutase (SOD) were also measured. The proliferation activity of mesenchymal stem cells (MSCs) was significantly inhibited when AGEs were added to culture medium, and this effect was dose-dependent and time-dependent. As the concentration of AGEs–bovine serum albumin increased, the content of intracellular MDA was significantly increased, but the activity of SOD in cell homogenates was significantly suppressed, which also showed a dose-dependent manner. AGEs could significantly inhibit the proliferation of MSCs in vitro by improving the oxidative stress in MSCs and breaking the homeostasis of intracellular environment.
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