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首页> 外文期刊>Journal of orthopaedic research >Effect of platelet-rich plasma on the biologic activity of the human rotator-cuff fibroblasts: A controlled in vitro study
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Effect of platelet-rich plasma on the biologic activity of the human rotator-cuff fibroblasts: A controlled in vitro study

机译:富含血小板血浆对人转子 - 腰带成纤维细胞生物活性的影响:一种控制体外研究

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摘要

To assess the in vitro effect of platelet-rich plasma (PRP) on biological activity of the human rotator cuff fibroblasts and to describe the optimal dose-response to maximize cellular stimulation while reducing potential risk. Rotator cuff (RC) fibroblasts of n = 6 patients (mean age of 65.2 years) undergoing arthroscopic cuff tear reconstruction were cultured in vitro for 21 days and stimulated with PRP in three different concentrations (1-, 5-, and 10-fold). Samples were obtained for DNA and GAG measurement at 1, 7, 14, and 21 days. The biological outcomes were regressed on the PRP concentration. The application of PRP significantly influenced the fibroblast proliferation and activity of the human rotator cuff with elevated glycosaminoglycan (GAG) and DNA levels. The dosage of PRP had the significantly highest impact on this proliferation using a onefold or fivefold application. PRP has a significant effect on fibroblast proliferation of the human rotator cuff in vitro with an optimal benefit using a onefold or fivefold PRP concentration. This study justifies further in vivo investigations using PRP at the human rotator cuff.
机译:为了评估富含血小板血浆(PRP)对人转子箍细胞成纤维细胞生物活性的体外效果,并描述最佳剂量 - 反应,以最大化细胞刺激,同时降低潜在风险。旋转器袖口(Rc)成纤维细胞(扁平患者(平均年龄为65.2岁)在体外培养关节镜袖带撕裂重建21天,并用三种不同浓度的PRP刺激(1-,5-和10倍) 。在1,7,14和21天内获得DNA和GAG测量的样品。生物学结果对PRP浓度回归。 PRP的应用显着影响了具有升高的糖胺聚糖(GAG)和DNA水平的人转子袖带的成纤维细胞增殖和活性。 PRP的用量使用单倍或五倍的应用对该增殖产生了显着的影响。 PRP对体外的人转子袖带的成纤维细胞增殖具有显着影响,使用单个或五倍PRP浓度具有最佳益处。这项研究在人类转子袖带上使用PRP进一步证明了体内调查。

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