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Expression of trefoil factor family 2 in fundic glands with Helicobacter pylori infection

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Author:
No author available
Journal Title:
WORLD CHINESE JOURNAL OF DIGESTOLOGY
Issue:
23
DOI:
10.3969/j.issn.1009-3079.2007.23.005
Key Word:
三叶因子2;幽门螺杆菌;胃体腺黏膜;颈黏液细胞;假幽门腺化生

Abstract: 目的:探讨三叶因子2(TFF2)在幽门螺杆菌(H pylon)感染胃体腺黏膜中表达的意义.方法:选择有H pylori感染的胃手术切除标本29例(92个蜡块),其中胃及十二指肠溃疡5例,胃癌24例,用免疫组织化学方法检测TFF2的分布和表达.结果:在H pylori感染胃黏膜中,TFF2主要在胃体腺的颈黏液细胞和假幽门腺化生细胞中表达;在正常黏膜中TFF2主要分布在胃固有腺的上1/3-2/3;在轻度萎缩黏膜中,腺底部仅见少量阳性细胞,随着萎缩程度的加重,在腺底部出现的阳性细胞增多;在轻、中度萎缩黏膜中其强阳性率分别为18.0%和42.9%.而在重度萎缩中达90.5%.在轻、中度和重度萎缩之间有显著性差异(P<0.01).结论:H pylori感染增加在腺底部的TFF2表达,并与黏膜的萎缩程度有关.

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