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Chinese Journal of Interventional Radiology(Electronic Edition) ›› 2015, Vol. 03 ›› Issue (02): 63-65. doi: 10.3877/cma.j.issn.2095-5782.2015.02.002

Special Issue:

• Neural Intervention • Previous Articles     Next Articles

Expression of Reactive Oxygen Species in Intracranial Aneurysms

Li Li1, Tianxiao Li1,(), Liangfu Zhu1, Jiangyu Xue1, Ziliang Wang1, Weixing Bai1, Guang Feng1   

  1. 1. Henan Provincial People’ Hospital, 450003 Zhengzhou, China
  • Received:2014-11-07 Online:2015-05-01 Published:2015-05-01
  • Contact: Tianxiao Li
  • About author:
    Corresponding author: Li Tianxiao, Email:

Abstract:

Objective

To investigate the expression and role of reactive oxygen species (ROS) in intracranial aneurysms.

Methods

Intracranial aneurysms (n=29) and normal blood vessels (n=23) were harvested through surgery. The normal blood vessels were prepared as control group, the activity of xanthine oxidase(XO)and malondialdehyde(MDA)were measured. Rank-sum test was used to analyze the data.

Results

The levels of XO were significant higher in intracranial aneurysms segments compared with normal blood vessels segments ([20.66±7.45]U/gprot versus [5.32±0.98]U/gprot, respectively, P<0.01). The levels of MAD were significant higher in intracranial aneurysms segments compared with normal blood vessels segments ([8.35±5.06] nmol/gprot versus [3.61±0.52]nmol/gprot, respectively, P<0.01).

Conclusions

ROS was over-expressed in intracranial aneurysms and XO was an important source of ROS. XO-mediated ROS may contribute to the disease pathogenesis and play an important role in pathological progress of intracranial aneurysm.

Key words: Aneurysms, Reactive oxygen species, Xanthine oxidase

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