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中华卫生应急电子杂志 ›› 2018, Vol. 04 ›› Issue (04) : 229 -232. doi: 10.3877/cma.j.issn.2095-9133.2018.04.007

所属专题: 文献

论著

原花青素对成纤维细胞紫外照射损伤的保护作用研究
徐冰心1, 吴莹莹1, 徐冰珠2, 秦亚亚1, 司少艳1, 崔彦1,()   
  1. 1. 100101 北京,解放军第三○六医院特种医学实验研究中心
    2. 130084 北京,清华大学医院药剂科
  • 收稿日期:2018-07-10 出版日期:2018-08-18
  • 通信作者: 崔彦

Protective effects of Procyanidine on UVC induced damage in L929 Cells

Bingxin Xu1, Yingying Wu1, Bingzhu Xu2, Yaya Qin1, Shaoyan Si1, Yan Cui1,()   

  1. 1. Center for Special Medicine and Experimental Research, the 306th Hospital of PLA, Beijing, 100101, China
    2. Pharmacy Department, Tsinghua University hospital, Beijing 100084, China
  • Received:2018-07-10 Published:2018-08-18
  • Corresponding author: Yan Cui
  • About author:
    Corresponding author: Cui Yan, Email:
引用本文:

徐冰心, 吴莹莹, 徐冰珠, 秦亚亚, 司少艳, 崔彦. 原花青素对成纤维细胞紫外照射损伤的保护作用研究[J]. 中华卫生应急电子杂志, 2018, 04(04): 229-232.

Bingxin Xu, Yingying Wu, Bingzhu Xu, Yaya Qin, Shaoyan Si, Yan Cui. Protective effects of Procyanidine on UVC induced damage in L929 Cells[J]. Chinese Journal of Hygiene Rescue(Electronic Edition), 2018, 04(04): 229-232.

目的

观察原花青素(OPC)对UVC照射体外培养小鼠L929成纤维细胞损伤的防治作用。

方法

实验对象为小鼠成纤维细胞L929细胞系,实验分为正常对照组、照射对照组和给药组。MTT法检测细胞增殖活性实验,L929细胞用50 mJ紫外线进行照射,OPC(25、50、100、200 μg/mL)在照射前30 min或照射后进行干预,照射后24 h检测。流式细胞仪检测细胞周期和细胞凋亡实验,L929细胞用30 mJ紫外线进行照射,OPC(25、50、100 μg/mL)在照射前30 min进行干预,照射后24 h采用PI染色检测。

结果

未经UVC照射的正常对照组细胞均具有优良的细胞活性,与正常对照组比较,照射对照组细胞活性显著降低(P<0.05),与照射组对照比较,照射前加入25、50、100、200 μg/mL的OPC,可以显著预防照射引起的L929细胞活性下降(P<0.05)。照射后加入25、50、100 μg/mL的OPC,可以显著阻止照射引起的L929细胞活性下降(P<0.05)。与正常对照组比较,UVC照射后24 h照射对照组S期细胞百分率显著增高,凋亡细胞百分率显著增高(P<0.05),OPC各组细胞S期百分率有增高趋势,100 μg/mL S期百分率显著增高(P<0.05)。与照射对照组比较,OPC 25、50 μg/mL组细胞APO百分率显著降低(P<0.05)。

结论

OPC可防治紫外线照射引起的小鼠L929成纤维细胞损伤,其抑制作用与OPC剂量相关。

Objective

To observe the preventive and therapeutic effect of Proantho Cyanidins on the injury of mouse L929 fibroblasts exposed to UVC in vitro.

Methods

In the MTT assay for cell proliferation activity, L929 cells were irradiated with 50 mJ ultraviolet ray, OPC (25, 50, 100, 200 μg/mL) was administrated before and after irradiation, and detected at 24 h after irradiation. The cell cycle and cell apoptosis were assayed by flow cytometry. L929 cells were irradiated with 30 mJ ultraviolet ray. OPC (25, 50, 100 μg/mL) was administrated before irradiation, stained by PI and detected 24 h after irradiation.

Results

The cells in the normal control group without UVC irradiation had excellent cell activity. Compared with the normal control group, the cell activity of the irradiation control group was significantly decreased (P<0.05). Compared with the irradiation control group, 25, 50, 100 and 200 μg/mL of procyanidins were given 30 min before irradiation, and 25, 50 and 100 μg/mL of procyanidins were given immediately after irradiation, which can significantly prevent the decreased activity of L929 cells caused by irradiation (P<0.05); Compared with normal control group, the apoptosis percentage significantly increased in the irradiation control group 24 h after UVC irradiation, S phase cell percentage significantly increased in OPC 100 μg/mL (P<0.05). Compared with the irradiation control group, the cell apotosis percentage in 25 and 50 μg/mL OPC group were significantly decreased (P<0.05).

Conclusion

Procyanidins can prevent and treat the injury of mouse L929 fibroblasts caused by UV irradiation and its inhibitory effect is related to the dosage of procyanidins.

表1 OPC对UVC照射小鼠L929细胞活性的影响(±sn=3)
表2 OPC对UVC照射小鼠L929细胞周期和凋亡的影响(±sn=3)
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