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论文摘要

脑缺血肺损伤大鼠肺组织trkB的表达变化

Expression of trkB Gene in the Pulmonary Tissue of Rats with Lung Injury Induced by Cerebral Ischemia

作者:赵珊, 荣荣, 但齐琴等

Author:ZHAO Shan, RONG Rong, DAN Qi-qin. et al

收稿日期:          年卷(期)页码:2012,43(6):901-904

期刊名称:四川大学学报(医学版)

Journal Name:JOURNAL OF SICHUAN UNIVERSITY (MEDICAL SCIENCE EDITION)

关键字:大鼠 脑缺血肺损伤 酪氨酸蛋白激酶B

Key words:Rat Brain ischemia lung injury yrosine kinase B

基金项目:

中文摘要

【摘要】 目的 观察脑缺血肺损伤大鼠肺组织酪氨酸蛋白激酶B(trkB)的表达变化, 并探讨其与肺损伤的关系。 方法 成年SD大鼠分为假手术组和脑缺血肺损伤组,每组13只动物。术后3 d处死大鼠,每组中5只取肺组织进行免疫组化染色、8只取肺组织进行RT-PCR和Western blot,检测trkB蛋白在肺组织的分布、trkB mRNA和蛋白的表达变化。 结果 trkB分布于气管上皮和平滑肌。与假手术组相比,trkB mRNA和蛋白在损伤肺组织表达增加(P

英文摘要

【Abstract】 Objective To investigate the expression of tyrosine kinase B (trkB) in lung tissue of rats with lung injury induced by brain ischemia. Methods Twenty six adult SD rats were divided into sham group and brain ischemia lung injury (BILI) group. All rats were sacrificed at 3 days after the operation of modeling, lung tissues were then harvested to measure the protein and mRNA level of trkB by the methods of western blot and RT-PCR, the location of trkB positive cells was observed by immunochemistry study. Results trkB mRNA level in the lung tissue of rats with brain ischemia presented a significant increase, in corresponding to the upregulation of BDNF protein levels, when compared with sham one (P

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