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CD62L、MadCAM-1表达与非小细胞肺癌淋巴结转移关系 被引量:1

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摘要 目的初步探讨细胞粘附分子CD62L及黏膜地址素细胞粘附分子(mucosal addressin cell adhesion molicule,MadCAM-1)在非小细胞肺癌及其转移淋巴结中的表达状况及其与淋巴结转移之间的关系和意义。方法选取肺癌60例和淋巴结转移标本30例,同时选取正常肺组织30例以及无转移淋巴结30例,利用免疫组化检测CD62L、MadCAM-1在不同组别的表达情况。结果 CD62L在肿瘤组织中表达在肿瘤细胞、脉管内癌栓、间质浸润的淋巴细胞;在转移淋巴结主要表达在转移灶肿瘤细胞、脉管内癌栓以及淋巴细胞;在正常肺组织以及无转移淋巴结主要表达在成熟淋巴细胞;CD62L在癌组织中表达高于正常肺组织(P<0.05);转移淋巴结中的表达高于无转移淋巴结表达(P<0.05);CD62L在转移淋巴结中表达与癌组织中的表达相比无差异(P>0.05);CD62L在正常肺组织表达与无转移淋巴结表达差异无统计学意义(P>0.05)。MadCAM-1主要表达淋巴结滤泡间区的高内皮后微静脉内皮细胞;在癌组织中的高内皮微静脉无表达;转移淋巴结中的表达高于无转移淋巴结表达(P<0.05)。CD62L及其受体MadCAM-1表达在肺癌组织以及转移淋巴结中表达之间存在密切相关(r=0.7081,P=0.002);CD62L及其受体MadCAM-1表达在肺癌组织以及无转移淋巴结中表达之间不存在切相关(P>0.05)。CD62L的阳性表达水平(即灰度单位)与淋巴结转移、脉管内癌栓、临床分期之间存在密切相关(P<0.05),与肿瘤体积、细胞分化程度、侵犯肺膜无关(P>0.05);MadCAM-1的阳性表达水平与淋巴结转移、脉管内癌栓、肿瘤体积存在明显相关(P<0.05),与细胞分化、侵犯肺膜、肿瘤分期无明显相关(P>0.05)。结论 CD62L及其受体MadCAM-1参与正常肺组织的淋巴细胞归巢和肺癌组织的淋巴结转移,并与肺癌的发展密切相关。
出处 《河北医药》 CAS 2013年第4期514-516,共3页 Hebei Medical Journal
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