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目的 探讨全身血管炎症性疾患—过敏性紫癜细胞间粘附分子1(ICAM1) 的表达意义。方法 采用半定量反转录 聚合酶链反应测定了13 例患儿及5 名健康儿静脉血白细胞中ICAM1表达。结果 12 例患儿呈阳性表达(92-31% ) ,4 名健康儿呈阴性表达;患儿中6 例有肾脏损害(46-15% ) ,其中5 例ICAM1 表达阳性。经秩和检验,患儿组与对照组间有明显差异(P< 0-005)。结论 ICAM1 是全身性血管炎及内皮损伤的一个标志;ICAM1 阳性表达可能提示过敏性紫癜处于活动期;在活动性紫癜性肾炎中,ICAM1 表达可明显增加。
Objective To investigate the significance of the expression of ICAM1 in the systemic vascular inflammatory disease-allergic purpura cell adhesion molecule1 (ICAM1). Methods The expression of ICAM-1 in 13 children and 5 healthy children’s venous white blood cells was detected by semi-quantitative reverse transcription-polymerase chain reaction. Results 12 cases were positive (92-31%), 4 healthy children were negative expression; 6 cases of children with renal damage (46-15%), of which 5 cases ICAM 1 positive. By rank sum test, there was a significant difference between children group and control group (P <0-005). Conclusion ICAM 1 is a sign of systemic vasculitis and endothelial damage; ICAM 1 positive expression may indicate that anaphylactoid purpura is active; in active purpura nephritis, ICAM 1 expression was significantly increased.