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The Relationship Between Fibronectin EDA/EDB mRNA in Skin Fibroblast and Injury Time
Author(s): 
Pages: 188-190
Year: Issue:  3
Journal: JOURNAL OF FORENSIC MEDICINE

Keyword:  成纤维细胞纤维连接蛋白EDAEDB早期损伤时间推断实时RT-PCR;
Abstract: 目的 研究培养的皮肤成纤维细胞纤维连接蛋白(fibronectin,FN)及其可变剪接片段EDA、EDB在损伤后的mRNA水平,为推断早期损伤时间提供参考指标.方法 培养人体皮肤成纤维细胞,换无血清培养液培养24 h后,采用划痕法制作细胞损伤模型,损伤后0、0.5、1、2、6、24 h收集细胞,抽提RNA,实时RT-PCR定量检测总FN及其EDA、EDB的mRNA水平的变化.结果 皮肤成纤维细胞中总FN及其EDA、EDB的mRNA水平随损伤时间的延长而升高.EDAmRNA在损伤后1h达到高峰,EDBmRNA在损伤后6h达到高峰,FNmRNA在损伤后2h达到高峰;在损伤1h后总FN及其EDA、EDB的mRNA表达变化随时间的延长而呈现一种不断上升的趋势.结论 纤维连接蛋白EDA、EDB可作为早期损伤时间推断的较理想的参考指标.
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