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中华神经创伤外科电子杂志 ›› 2019, Vol. 05 ›› Issue (05) : 295 -298. doi: 10.3877/cma.j.issn.2095-9141.2019.05.009

所属专题: 文献

基础研究

白藜芦醇对颅内动脉瘤形成及端粒长度的影响
徐之丽1, 张赛2, 涂悦2, 吴焕成3, 刘洋4,()   
  1. 1. 300162 天津,中国人民武装警察部队特色医学中心神经修复医学科
    2. 300162 天津,中国人民武装警察部队特色医学中心脑科中心
    3. 300400 天津市北辰医院脑系科
    4. 201199 上海市闵行区中心医院神经内科
  • 收稿日期:2019-08-11 出版日期:2019-10-15
  • 通信作者: 刘洋
  • 基金资助:
    国家自然科学基金(31200809); 天津市科技计划(15ZXLCSY00040); 天津市北辰区科技计划项目(2018-SHGY-09); 上海市虹口区面上项目(虹卫1802-06)

Effect of resveratrol on the formation of intracranial aneurysms and telomere length

Zhili Xu1, Sai Zhang2, Yue Tu2, Huancheng Wu3, Yang Liu4,()   

  1. 1. Department of Neurorestorative Medicine, Characteristic Medical Center of Chinese People’s Armed Police Force, Tianjin 300162, China
    2. Brain Center, Characteristic Medical Center of Chinese People’s Armed Police Force, Tianjin 300162, China
    3. Department of Brain Science, Tianjin Beichen Hospital, Tianjin 300400, China
    4. Department of Neurology, Minhang District Central Hospital, Shanghai 201199, China
  • Received:2019-08-11 Published:2019-10-15
  • Corresponding author: Yang Liu
  • About author:
    Corresponding author: Liu Yang, Email:
引用本文:

徐之丽, 张赛, 涂悦, 吴焕成, 刘洋. 白藜芦醇对颅内动脉瘤形成及端粒长度的影响[J]. 中华神经创伤外科电子杂志, 2019, 05(05): 295-298.

Zhili Xu, Sai Zhang, Yue Tu, Huancheng Wu, Yang Liu. Effect of resveratrol on the formation of intracranial aneurysms and telomere length[J]. Chinese Journal of Neurotraumatic Surgery(Electronic Edition), 2019, 05(05): 295-298.

目的

探讨白藜芦醇对大鼠颅内动脉瘤(IA)形成及端粒长度的影响。

方法

将36只SD大鼠按随机数字表法等分为对照组、IA组和白藜芦醇组,每组12只。IA组和白藜芦醇组大鼠予以构建IA大鼠模型,白藜芦醇组大鼠每日按40 mg/kg剂量,将白藜芦醇溶于2 mL生理盐水并灌胃给药;IA组大鼠每日给予2 mL生理盐水灌胃,对照组不进行任何额外操作。12周后,实时荧光定量法测端粒相对长度,以及端粒酶逆转录酶(TERT)和端粒结合蛋白-三肽肽酶1(TPP1)相对表达量;血管铸型后应用扫描电子显微镜观察IA形成情况。

结果

白藜芦醇组与IA组相比,IA形成率差异无统计学意义(75.0% vs 66.7%,P>0.05),但白藜芦醇组大鼠Ⅲ期IA形成率显著降低(χ2=4.800,P=0.028)。与对照组相比,IA组和白藜芦醇组大鼠端粒长度与显著缩短,TERT和TPP1表达显著降低,差异有统计学意义(P<0.05);与IA组比较,白藜芦醇组大鼠端粒长度更长,TERT和TPP1表达升高,差异有统计学意义(P<0.05)。

结论

白藜芦醇对IA的形成无影响,但可抑制端粒长度缩短并延缓IA的进展。

Objective

To investigate the effects of resveratrol on the formation of intracranial aneurysm (IA) and telomere length in rats.

Methods

Thirty-six SD rats were randomly divided into control group (n=12), IA group (n=12) and resveratrol group (n=12). Rats in IA group and resveratrol group were used to construct IA rat model. According to the dose of 40 mg/kg, resveratrol was dissolved in 2 mL saline and given intragastrically in the resveratrol group rats, and 2 mL saline was given to the rats in the IA group every day, and no additional operation was performed in the control group. After 12 weeks, the relative length of telomere and the relative expression of telomerase reverse transcriptase (TERT) and telomere binding protein-tripeptidase 1 (TPP1) were measured by real-time PCR, and the formation of IA was observed by scanning electron microscope after vascular casting.

Results

There was no significant difference in the formation rate of IA between resveratrol group and IA group (75.0% vs 66.7%, P>0.05), but the formation rate of stage Ⅲ aneurysm in resveratrol group was significantly lower than that in IA group (χ2=4.800, P=0.028). The telomere length and the expression of TERT and TPP1 in IA group and resveratrol group were significantly lower than those in control group(P<0.05). Compared with IA group,resveratrol group had longer telomere length and higher expression of TERT and TPP1 (P<0.05).

Conclusion

Resveratrol has no effect on the formation of IA, but can inhibit the shortening of telomere length and delay the progress of IA.

表1 各引物序列及终浓度
图1 颅内动脉瘤形成情况
表2 端粒相对长度及相关基因表达变化
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