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首页> 外文期刊>Journal of Biophotonics >Recovering the osteoblastic differentiation potential of mesenchymal stem cells derived from diabetic rats by photobiomodulation therapy
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Recovering the osteoblastic differentiation potential of mesenchymal stem cells derived from diabetic rats by photobiomodulation therapy

机译:通过光生物调节治疗回收衍生自糖尿病大鼠的间充质干细胞的骨细胞分化潜力

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摘要

Autologous cell-based therapy for bone regeneration might be impaired by diabetes mellitus (DM) due to the negative effects on mesenchymal stem cells (MSCs) differentiation. Strategies to recover their osteogenic potential could optimize the results. We aimed to evaluate the effect of photobiomodulation (PBM) therapy on osteoblast differentiation of rats with induced DM. Bone marrow MSCs of healthy and diabetic rats were isolated and differentiated into osteoblasts (OB and dOB, respectively). dOB were treated with PBM therapy every 72 hour (660 nm; 0.14 J; 20 mW; 0.714 W/cm(2), and 5 J/cm(2)). Cell morphology, viability, gene and protein expression of osteoblastic markers, alkaline phosphatase (ALP) activity, and the mineralized matrix production of dOB-PBM were compared to dOB. PBM therapy improved viability of dOB, increased the gene and protein expression of bone markers, the ALP activity and the mineralized matrix production. PBM therapy represents an innovative therapeutic approach to optimize the treatment of bone defects in diabetic patients.
机译:糖尿病(DM)可能会对骨髓间充质干细胞(MSCs)分化产生负面影响,从而影响自体细胞治疗的骨再生。恢复成骨潜能的策略可以优化结果。我们旨在评估光生物调节(PBM)疗法对诱导型糖尿病大鼠成骨细胞分化的影响。分离健康和糖尿病大鼠的骨髓间充质干细胞,并将其分化为成骨细胞(分别为OB和dOB)。每72小时用PBM治疗一次dOB(660nm;0.14J;20mW;0.714W/cm(2)和5J/cm(2))。比较了dOB-PBM和dOB的细胞形态、活性、成骨标志物的基因和蛋白质表达、碱性磷酸酶(ALP)活性以及矿化基质的生成。PBM治疗提高了dOB的生存能力,增加了骨标志物的基因和蛋白质表达,ALP活性和矿化基质的生成。PBM疗法代表了一种创新的治疗方法,可以优化糖尿病患者骨缺损的治疗。

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