中国组织工程研究 ›› 2015, Vol. 19 ›› Issue (49): 7926-7931.doi: 10.3969/j.issn.2095-4344.2015.49.010

• 脑及脊髓损伤动物模型 Animal models of brain and spinal cord injuries • 上一篇    下一篇

灯盏花素对创伤性脑损伤模型大鼠脑组织中蛋白激酶C-γ表达的影响

尹延庆,方 琦,廖壮槟,林 亨,黄梓雄,梁远生,许成杰   

  1. 广东医学院附属医院神经外科,广东省湛江市 524001
  • 收稿日期:2015-09-07 出版日期:2015-11-30 发布日期:2015-11-30
  • 通讯作者: 许成杰,主任医师,广东医学院附属医院神经外科,广东省湛江市 524001
  • 作者简介:尹延庆,男,1982年生,江苏省射阳县人,汉族,2009年广东医学院毕业,硕士,主治医师,讲师,主要从事中枢神经系统损伤及干细胞方面的研究。 并列第一作者:方琦,男,1967年生,广东省雷州市人,汉族,1992年广东医学院毕业,主任医师,主要从事中枢神经系统损伤与肿瘤的研究。 并列第一作者:廖壮槟,男,1989年生,广东省汕头市人,汉族,广东医学院在读硕士,主要从事中枢神经系统损伤及干细胞方面的研究。
  • 基金资助:
    湛江市科技攻关计划项目(2013B01297/2011C3106021)

Effect of breviscapine on protein kinase C-gamma expression in brain tissue of rat models of traumatic brain injury

Yin Yan-qing, Fang Qi, Liao Zhuang-bin, Lin Heng, Huang Zi-xiong, Liang Yuan-sheng, Xu Cheng-jie   

  1. Department of Neurosurgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang 524001, Guangdong Province, China
  • Received:2015-09-07 Online:2015-11-30 Published:2015-11-30
  • Contact: Xu Cheng-jie, Chief physician, Department of Neurosurgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang 524001, Guangdong Province, China
  • About author:Yin Yan-qing, Master, Attending physician, Lecturer, Department of Neurosurgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang 524001, Guangdong Province, China Fang Qi, Chief physician, Department of Neurosurgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang 524001, Guangdong Province, China Liao Zhuang-bin, Studying for master’s degree, Department of Neurosurgery, Affiliated Hospital of Guangdong Medical College, Zhanjiang 524001, Guangdong Province, China Yin Yan-qing, Fang Qi and Liao Zhuang-bin contributed equally to this study.
  • Supported by:

    a grant from Scientific and Technology Plan Project of Zhanjiang City of China, No. 2013B01297/2011C3106021

摘要:

背景:防止创伤性脑损伤后继发性损伤具有重要意义,也是脑保护性治疗的目标。
目的:通过观察灯盏花素对创伤性脑损伤大鼠脑组织蛋白激酶C-γ蛋白表达的影响,初步探讨灯盏花素对脑组织的保护作用。
方法:65只SD大鼠随机分为空白对照组(n=5)、假手术组(n=20)、模型组(n=20)及灯盏花素组(n=20)。模型组及灯盏花素组采用落体撞击制备脑损伤模型,假手术组切开头皮打开骨窗后即缝合。灯盏花素组伤后立即腹腔注射灯盏花素0.4 mg/(kg•d),模型组和假手术组分别腹腔注射0.4 mL/(kg•d)生理盐水。使用免疫组织化学方法检测大鼠脑组织蛋白激酶C-γ蛋白的表达。
结果与结论:创伤性脑损伤后蛋白激酶C-γ蛋白表达明显增加(P < 0.05),在24 h到达高峰;灯盏花素能明显减少创伤性脑损伤后蛋白激酶C-γ蛋白表达(P < 0.05)。结果说明灯盏花素对创伤性脑损伤后的脑组织具有保护作用。 

 

关键词: 实验动物模型, 脑及脊髓损伤动物模型, 灯盏花素, 创伤性脑损伤, 继发性脑损伤, 蛋白激酶C-&gamma, 脑保护作用, 同工酶, 抑制剂, 兴奋毒性氨基酸

Abstract:

BACKGROUND: Preventing secondary injury after traumatic injury is of great importance, which is also the target of brain protective treatment.
OBJECTIVE: To preliminarily investigate the protective effect of breviscapine on brain tissue of rat models of traumatic brain injury through observing the effect of breviscapine on protein kinase C-γ expression in injured brain tissue.
METHODS: Sixty-five Sprague-Dawley rats were randomly divided into control (n=5), sham (n=20), model (n=20) and breviscapine (n=20) groups. Rat models of traumatic brain injury were established in the model and breviscapine groups by a falling heavy object. In the sham group, rat bone window was open through an incision made on the scalp, and then the incision was sutured immediately. Rats in the breviscapine group were intraperitoneally injected with 0.4 mg/kg breviscapine daily immediately after injury. Rats in the model and sham groups were intraperitoneally injected with 0.4 mL/kg normal saline. The expression of protein kinase C-γ protein in brain tissue was detected by immunohistochemistry.
RESULTS AND CONCLUSION: After traumatic brain injury, the protein expression of protein kinase C-γ was significantly increased (P < 0.05), and reached the peak at 24 hours. Breviscapine could significantly decrease the protein expression of protein kinase C-γ in brain tissue after traumatic brain injury (P < 0.05). These results demonstrate that breviscapine has a protective effect on brain tissue after traumatic brain injury. 

 

中图分类号: