三叶因子1表达与胃粘膜损伤及胃癌的关系

南方医科大学学报 ›› 2005, Vol. 25 ›› Issue (09): 1178-1180.

三叶因子1表达与胃粘膜损伤及胃癌的关系

任建林¹, 罗金燕¹, 卢雅丕², 王琳², 陈建民², 施华秀², 潘金水²

1. 西安交通大学第二医院消化内科, 陕西, 西安, 710004;
2. 厦门大学附属中山医院院消化内科, 福建, 厦门, 361004

出版日期:2005-09-20 发布日期:2005-09-20
基金资助:
收稿日期:2005-7-2。
基金项目:福建省卫生厅青年科研课题资助(NO.2004-1-26)
作者简介:任建林,医学博士,主任医师,教授,硕士生导师,厦门大学附属中山医院消化科主任,电话:0592-2292017,E-mail:Jianlin.ren@xmzsh.com.

Association of trefoil factor 1 expression with gastric mucosa injuries and gastric cancer

REN Jian-lin¹, LUO Jin-yan¹, LU Ya-pi², WANG Lin², Chen Jian-min², SHI Hua-xiu², PAN Jin-shui²

1. 西安交通大学第二医院消化内科, 陕西, 西安, 710004;
2. 厦门大学附属中山医院院消化内科, 福建, 厦门, 361004

Online:2005-09-20 Published:2005-09-20

摘要/Abstract

摘要： 目的测定三叶因子1在正常及病理条件下胃粘膜中的表达情况,探讨TFF1在胃粘膜损伤修复及胃癌抑制中的作用及意义。方法应用免疫组化方法测定正常及不同病理条件下胃粘膜中TFF1的表达情况,通过图像分析软件分析其阳性信号平均光密度值了解其表达情况。结果胃炎、胃溃疡及十二指肠球部溃疡患者TFF1表达明显高于正常胃粘膜;多发/复合性溃疡患者TFF1表达高于单发的消化性溃疡患者;胃溃疡患者与十二指肠球部溃疡患者、胃炎患者与单一消化性溃疡患者表达相比均无统计学差异;胃腺癌患者癌旁组织表达明显高于正常胃粘膜,而腺癌组织的表达强度则与癌组织的分化程度呈正比,分化程度愈低,表达愈弱,低分化腺癌无阳性表达,中、高分化腺癌表达略低于正常粘膜,但二者对比无统计学差异;食管鳞癌及癌旁组织均无阳性表达;各组男女对比均无统计学差异。结论 TFF1在胃炎及消化性溃疡中表达升高,且在多发/复合性溃疡中的表达较单发溃疡表达升高,即粘膜损伤越严重其表达越强,提示其在胃粘膜保护及促进上皮重建机制中具有一定的作用。TFF1在癌旁组织中表达增强提示其可能与肿瘤抑制及分化机制有关,而在癌组织中表达减弱,且分化程度越低表达越弱可能与癌组织腺体及细胞破坏、TFF1的分泌减少有关。

Abstract: Objective To investigate the role of trefoil factor 1 (TFF1) expression in gastric mucosa healing and carcinoma suppression. Methods TEF1 expressions in normal and pathological gastric mucosa tissues were detected by immunohistochemical analysis, and the average optical density (OD) was estimated by Motic Images Advanced 3.0 software. Results Increased TFF1 expression was detected in gastritis, gastric ulcer and duodenal ulcer tissues as compared with that in normal gastric mucosa. TFF1 expression was increased in multiple and compound ulcer in comparison with simple ulcer, but there was no significant difference between gastric ulcer and duodenal ulcer, or between gastritis and simple ulcer tissues. Increased TFF1 was also detected in the mucosa adjacent to the gastric adenocarcinoma, and adenocarcinoma with poorer differentiation had lower TFF1 expression. Conclusions TFF1 expression is increased in gastritis, gastric ulcer and duodenal ulcer, and multiple and compound ulcer has higher TFF1 expression than simple ulcer, suggesting the protective role of TFF1 in gastric mucosa and epithelial restitution. TFF1 may directly contribute to the differentiation of adenocarcinoma, and the poorer the differentiation, the lower the expression of TFF1.

中图分类号:

R735

任建林¹, 罗金燕¹, 卢雅丕², 王琳², 陈建民², 施华秀², 潘金水². 三叶因子1表达与胃粘膜损伤及胃癌的关系[J]. 南方医科大学学报, 2005, 25(09): 1178-1180.

REN Jian-lin¹, LUO Jin-yan¹, LU Ya-pi², WANG Lin², Chen Jian-min², SHI Hua-xiu², PAN Jin-shui². Association of trefoil factor 1 expression with gastric mucosa injuries and gastric cancer[J]. Journal of Southern Medical University, 2005, 25(09): 1178-1180.

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