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首页> 外文期刊>Anticancer Research: International Journal of Cancer Research and Treatment >Rosmarinic Acid/Blue Light Combination Treatment Inhibits Head and Neck Squamous Cell Carcinoma In Vitro
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Rosmarinic Acid/Blue Light Combination Treatment Inhibits Head and Neck Squamous Cell Carcinoma In Vitro

机译:rosmarinic酸/蓝光组合治疗抑制头部和颈部鳞状细胞癌体外癌

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Background/Aim: This study investigated a novel combined therapy of rosmarinic acid (RA)/blue light on head and neck squamous cell carcinoma (HNSCC) cell proliferation in vitro. Materials and Methods: HNSCC cells were exposed to BL (500 mW/cm(2)) for 90 s, and incubated with 80 mu g/ml RA for 1 hour. Cell viability was determined after 24 h using WST-1 assay. Western blot was used to detect treatment-induced changes in epidermal growth factor receptor (EGFR) activation. Hydrogen peroxide (H2O2) and nitric oxide levels were quantified using CM-H2DCFH-DA assays. Apoptosis was assessed using Annexin V/PI staining and flow cytometry. Results: RA/blue light treatment resulted in a significant reduction in cell viability, EGFR activation and H2O2 levels in all HNSCC cell lines. However, no significant changes in NO production or apoptosis induction were found. Conclusion: RA/blue light effectively decreased HNSCC cell proliferation through reduction in EGFR activation and H2O2 production, and not via induction of apoptosis.
机译:背景/目的:本研究研究了在体外头部和颈部鳞状细胞癌(HNSCC)细胞增殖上的rosmarinic acid(Ra)/蓝光的新组合治疗。材料和方法:将HNSCC细胞暴露于BL(500mW / cm(2)),得到90秒,并用80μmg/ ml Ra温育1小时。 24小时使用WST-1测定后测定细胞活力。用于检测表皮生长因子受体(EGFR)活化的治疗诱导的变化的蛋白质印迹。使用CM-H2DCFH-DA测定量化过氧化氢(H 2 O 2)和一氧化氮水平。使用膜蛋白v / pi染色和流式细胞术评估细胞凋亡。结果:RA / Blue Light治疗导致所有HNSCC细胞系中的细胞活力,EGFR活化和H2O2水平显着降低。然而,没有发现没有生产或凋亡诱导的显着变化。结论:RA / Blue光通过降低EGFR活化和H2O2生产而有效地降低了HNSCC细胞增殖,而不是通过诱导细胞凋亡。

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