Neuritin 与HSP60 在大鼠肝损伤组织中的表达及其意义
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欧阳军,E-mail :wenf010@163.com

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国家自然科学基金(No :81560312)


Expressions of neuritin and HSP60 in traumatically-injuried liver tissue of rats
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    摘要:

    目的 研究大鼠肝损伤后不同时间Neuritin 和热休克蛋白60(HSP60)的表达,探讨Neuritin 和HSP60 在大鼠肝损伤修复过程中的作用。方法 将126 只SD 大鼠随机分为肝损伤组、骨折组和正常组,分别检测各组术后6 h、12 h、1 d、3 d、5 d、7 d 和14 d 7 个时间点的血清谷丙转氨酶(ALT)、谷草转氨酶(AST)浓度,并取肝组织行苏木精- 伊红和免疫组织化学法染色,观察肝脏病理学改变及Neuritin、HSP60的表达。结果 肝损伤组大鼠血清ALT、AST 浓度在6 h、12 h、1 d 时高于骨折组、正常组(P <0.05)。免疫组织化学法结果表明,肝损伤组大鼠Neuritin 和HSP60 的表达水平在各个时间点(6 h 除外)高于骨折组、正常组(P <0.05),且两者的表达水平均呈先升高后降低的趋势,骨折组大鼠HSP60 的表达水平在12 h、1 d 时高于正常组(P <0.05),骨折组大鼠Neuritin 的表达水平与正常组比较,差异无统计学意义(P >0.05)。结论 Neuritin 与HSP60 相互作用,可能是促进肝损伤修复的重要因素。

    Abstract:

    Objective To detect the expressions of neuritin and HSP60 in traumatic liver tissues of rats at different time, and discuss the effect of neuritin and HSP60 on the repair of injuried hepatic tissue. Methods One hundred and twenty-six SD rats were randomly divided into liver injury group (group A), fracture group (group B) and normal group (group C). In each group, the serum concentrations of ALT and AST were respectively measured at seven time points (6 and 12 h, 1, 3, 5, 7 and 14 d), HE staining and immunohistochemical method were used to detect the expressions of neuritin and HSP60 in the liver tissue of the rats. Results At the time of 6 h, 12 h and 1 d, serum concentrations of ALT and AST in the group A were higher than those in the group B and the group C (P < 0.05). The immunohistochemical staining results indicated the expressions of neuritin and HSP60 in the group A at the time points from 12 h to 14 d were significantly higher than those in the group B and the group C (P < 0.05).The expression of HSP60 in the group B was higher than that in the group C at 12 h and in 1 d (P < 0.05). And the expressions of neuritin and HSP60 increased at first and then decreased. Conclusions The interaction between neuritin and HSP60 may play an important role in hepatic self-repair after traumatic liver injury.

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吴江文,朱美意,欧阳军,周涛,曹东. Neuritin 与HSP60 在大鼠肝损伤组织中的表达及其意义[J].中国现代医学杂志,2018,(2):8-13

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  • 收稿日期:2016-11-16
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  • 在线发布日期: 2018-01-20
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