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The study on expression of NF-κB in experimental brain contusion in rats
Author(s): TAO Luyang, DING Mei, CHEN Xiping, BIAN Shizhong, GUAN Dawei
Pages: 73-
76,80
Year: 2004
Issue:
2
Journal: JOURNAL OF FORENSIC MEDICINE
Keyword: 脑挫伤; NF-κB; 脑损伤程度; 脑损伤时间; 凋亡;
Abstract: 目的阐明不同程度及不同时间脑挫伤后NF-κB表达的变化.方法应用免疫组织化学染色、Westernblot和RT-PCR方法对48例不同程度实验性脑挫伤大鼠的脑组织进行了检验,同时以3例非脑挫伤和3例假手术大鼠的脑组织做对照.结果伤后1h NF-κB即有表达、24~48h达高峰,一周后停止表达.阳性细胞多集中于挫伤区及周围带皮质和脑实质内海马区;不同程度脑挫伤组之间于伤后各个时间段NF-κB表达无明显差异.结论本实验首次通过对不同程度脑损伤后NF-κB表达量的研究,找到其表达的时间性变化规律,对确定脑挫伤形成时间有意义,但不能作为判断脑挫伤程度的指标.
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