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细胞外基质黏附分子表达与成釉细胞瘤生物学特性的关系
Authors
张彬
潘朝斌
陶谦
黄洪章
Publication date
1 January 2006
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
【目的】探讨细胞外基质黏附分子层粘连蛋白(LN)和纤黏连蛋白(FN)与成釉细胞瘤复发和侵袭的关系。【方法】采用免疫组织化学LABC方法检测28例成釉细胞瘤组织中LN和FN的表达。【结果】在28例成釉细胞瘤中,LN和FN在基底膜的阳性表达率分别为46.4%和39.3%,复发性成釉细胞瘤LN和FN在基底膜的阳性表达率明显低于原发性成釉细胞瘤(P〈0.01)。LN和FN的表达形式相似,阳性着色部位均位于基底膜及部分肿瘤细胞的胞浆,在基底膜连续着色的部位,靠近基底膜的肿瘤外周细胞胞浆染色较强,中央内层细胞胞浆染色弱或无,而在基底膜着色缺失的部位,靠近基底膜的肿瘤外周细胞胞浆染色弱或缺失。【结论】LN和FN在基底膜表达缺失与成釉细胞瘤的复发密切相关,可能是成釉细胞瘤局部侵袭的机制之一
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Last time updated on 15/10/2024