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作 者:张功宝 代涛[2] 袁德品 崔树英 张成书 李艳玲 程定
机构地区:[1]河南省平顶山市平煤神马医疗集团总医院烧伤整形科,467000 [2]河南科技大学第三附属医院整形外科
出 处:《中华医学美学美容杂志》2015年第6期365-368,共4页Chinese Journal of Medical Aesthetics and Cosmetology
摘 要:目的 探讨磷酸化哺乳动物雷帕霉素靶蛋白(p-mTOR)和磷酸化真核细胞翻译启始因子4E结合蛋白l(p-4EBP1)在病理性瘢痕、非病理性瘢痕及正常皮肤组织中的表达水平,了解其在病理性瘢痕形成中的意义.方法 采用免疫组织化学SP法检测p-mTOR、p-4EBP1在20例瘢痕疙瘩、20例增生性瘢痕、20例非病理性瘢痕及20例正常皮肤组织中的表达水平,分析其在不同组织中表达阳性率及病理性瘢痕中两者相关关系.结果 瘢痕疙瘩和增生性瘢痕中p-mTOR、p-4EBP1蛋白阳性表达率分别为75.0%(15/20)和60.0%(12/20)、60.0%(12/20)和50.0%(10/20),高于非病理性瘢痕20%(4/20)和10% (2/20)及正常皮肤10% (2/20)和5% (1/20) (P<0.05);p-mTOR与p-4EBP1表达相关(r=0.338,P<0.05).结论 p-mTOR和p-4EBP1可能共同参与了病理性瘢痕的形成过程,且两者具有协同作用.Objective To investigate the expression of phosphorylated mammalian target of rapamycin (p-mTOR) and phosphorylated eukaryotic translation initiation factor 4E binding protein 1 (p-4EBP1) in pathologic scar,and comprehend its role and significance in the pathologic scar formation.Methods SP immunohistochemical method was used to detect the expression of p-mTOR and p-4EBP1 in 20 cases of keloid,20 cases of hypertrophic scar,20 cases of non-pathologic scar and 20 cases of normal skin tissue.The positive rates of expression in different tissues were analyzed,and the relationship in pathological scar was explored.Results The positive rates of p-mTOR and p-4EBP1 in keloidand hypertrophic scar were 75.0% (15/20),60.0% (12/20) and 60.0% (12/20),50.0% (10/20),nom-pathologic scars were 20% (4/20),10% (2/20);normal skin tissue were 10% (2/20),5% (1/20),which were higher respectively compared with the two control groups (P〈 0.05);there was a highly positive correlation between p-mTOR and p-4EBP1 expression in pathologic scar (r=0.323,P〈0.05).Conclusions p-mTOR and p-4EBP1 might be involved and cooperated in promoting the progress of pathologic scars.
关 键 词:磷酸化哺乳动物雷帕霉素靶蛋白 磷酸化真核细胞翻译启始因子4E结合蛋白1 病理性瘢痕 瘢痕疙瘩 增生性瘢痕 Phosphorylated EUKARYOTIC translation INITIATION factor 4E binding protein 1
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