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c-Jun氨基末端激酶与B细胞淋巴瘤/白血病-2相关X蛋白在兔基底尖动脉动脉瘤的表达 被引量:1

Expression of c-Jun N-terminal kinase and B cell lymphoma/leukemia-2 associated X protein in rabbit basilar artery aneurysm
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摘要 目的观察兔基底尖动脉瘤形成过程中c-Jun氨基末端激酶(JNK)及B细胞淋巴瘤/白血病-2相关X蛋白(bax)的表达。方法新西兰大白兔40只,分为正常组5只,假手术组5只,手术组每组各10只(术后2、8、16周)。采用双侧颈总动脉结扎法造模,假手术组仅暴露双侧颈总动脉,于规定时间行基底动脉尖部磁共振成像(MRA)。所有实验动物处死行病理染色观察基底动脉尖形态、血管内膜及中弹力层变化,免疫组织化学染色。结果免疫组织化学染色结果,JNK在各组表达阳性率分别为对照组:(8.600±2.074)%与术后2周组[(18.900±4.458)%,t=13.405,P=0.000]、术后8周组[(25.800±3.615)%,t=22.570,P=0.000],术后16周组[(38.4004-8.343)%,t=14.555,P=0.000]比较差异有统计学意义。bax的阳性表达率分别为:术后2周组的阳性率为(9.400±3.050)%,与术后2周组[(22.100±4.748)%,t=14.719,P=0.000],术后8周组[(29.200±4.894)%,t=18.866,P=0.000],术后16周组[(36.700±4.762)%,t=24.371,P=0.000]比较差异有统计学意义。影像学结果:对照组动脉瘤体积为(7.600±3.847)mm^3、与术后2周组[(24.746±27.813)mm^3,t=2.814,P=0.020]、术后8周组[(37.083±35.695)mm^3,t=3.285,P=0.009]、术后16周组[(105.751±97.094)mm^3,t=3.444,P=0.007]比较差异有统计学意义。结论JNK与bax参与了兔基底尖动脉瘤的形成过程。 Objective To observe the expression of c-Jun N-terminal kinase(JNK) and B cell lymphoma/leukemia-2 associated X protein (bax) during the formation of basilar aneurysm in the rabbit. Methods Forty New Zealand white rabbits were divided into five group, Normal group (n=5 ), Sham group ( n=5 ) , Operation group ( 2 weeks, 8 weeks, 16 weeks ) ( n=10 ). The bilateral common carotid artery was exposed in the sham operation group by bilateral common carotid artery ligation. MRA (Magnetic Resonance Angiography) was performed at the prescribed time, All experimental animals were killed in order to observe the pathological staining of the basilar artery tip morphology, vascular intima, the middle elastic layer and the immunohistochemieal staining. Results The results of immunohistochemical staining showed that the positive rate of JNK in each group was ( 8. 600±2. 074)% in the control group, (18. 900± 4.458)% in the 2W group (t=13.405, P= 0.000), and the postoperative 8W group (25.800±3. 615)% (t =22. 570, P=0. 000), postoperative 16W group (38. 400±8. 343)% (t = 14. 555, P= 0. 000) ; the difference between the experimental group and the control group was statistically significant. The positive expression rates of bax were: (9. 400±3. 050)% in postoperative 2W group, (22.100±4.748)% in postoperative 2W group (t= 14.719, P= 0.000) postoperative 8W group (29.200±4. 894) % ( t=18. 866, P=0.000), postoperative 16W group (36. 700±4. 762) % ( t=24. 371, P= 0. 000) ; each experimental group was statistically significant difference from the control group. Imaging re- suits: aneurysm The volume was: control group (7. 600±3. 847), (24. 746±27. 813) mm^3 , t=2. 814,P =0.020), postoperative 8W group ( 37. 083±35. 695) mm^3 ( t=3.285, P=0.009 ), postoperative 16W group ( 105.751±97. 094) mm^3 (t=3.444, P=0. 007 ) ; the differenee between the experimental group and the eontrol group was statistically significan
作者 赵文可 黄昌恒 张鹏飞 汪子文 于耀宇 Zhao Wenke;Huang Changheng;Zhang Pengfei;Wang Ziwen;Yu Yaoyu(Department of Neurosurgery,Affiliated Hospital of Chinese People's Armed Police Force,Tianfin 300162,China)
出处 《中华实验外科杂志》 CAS CSCD 北大核心 2018年第11期2103-2105,共3页 Chinese Journal of Experimental Surgery
基金 武警后勤学院附属医院种子基金(FY201507、FYM201545)
关键词 颅内动脉瘤 C-JUN氨基末端激酶 B细胞淋巴瘤/白血病-2相关X蛋白 Intracranial aneurysm c-Jun N-terminal kinase B cell lymphoma/leukemia -2 associated X protein
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