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-  2017 

槲皮素治疗慢性光化性皮炎的体外研究 Application of Quercetin in vitro to Treat Chronic Actinic Dermatitis

Keywords: 槲皮素,抗菌,细胞增殖,慢性光化性皮炎

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Abstract:

目的:研究槲皮素对大肠杆菌和金黄色葡萄球菌生物膜的抑制作用及其对人表皮细胞株HaCaT的增殖影响,探讨槲皮素用于治疗慢性皮肤炎症的潜在可能。方法:常规培养大肠杆菌和金黄色葡萄球菌菌株及HaCaT细胞系,结晶紫染色法检测不同浓度槲皮素处理后24h大肠杆菌及金黄色葡萄球菌生物膜生长水平,公式计算其抑制率;MTT法检测不同浓度槲皮素处理后0,24,48,72h后细胞增殖水平,公式计算其抑制率。结果:槲皮素对大肠杆菌及金黄色葡萄球菌的抑制率均随浓度增大而升高,在400μg/ml和800μg/ml浓度时抑菌效果明显增强,可在24h内达到78%-89%;200,400,800μg/ml浓度的槲皮素对HaCaT细胞生长增殖均无明显抑制作用。结论:适当浓度的槲皮素可明显抑制大肠杆菌及金黄色葡萄球菌生物膜生长,且对HaCaT细胞增殖无明显抑制作用,有望成为光敏性皮肤疾病替代或联合用药的有效药物

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