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人脑胶质瘤组织中p21^(WAF1/CIP1)表达及临床意义 被引量:6

Expression of p^(21WAF1/CIP1) in Tissue of Human Glioma and Its Clinical Significance
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摘要 [目的]探讨人脑胶质瘤组织中p21WAF1/CIP1基因蛋白表达水平与人脑胶质瘤恶性程度的关系。[方法]随机选取的Ⅰ ̄Ⅳ人脑胶质瘤标本48例,正常外伤脑组织10例为对照。应用免疫组化技术(SP法)检测p21WAF1/CIP1基因蛋白在人脑胶质瘤中的表达水平。[结果]p21WAF1/CIP1基因蛋白在正常脑组织中均为阴性表达,而在胶质细胞瘤组织中表达增高,阳性率为70% ̄78%,在Ⅰ~Ⅳ级胶质瘤组织中表达数值分别为2.11±0.10,1.44±0.56,1.0±0.12及0.89±0.32,表达水平随胶质瘤恶性程度的升高呈下降趋势,在高分化与低分化肿瘤之间存在显著性差异(P<0.05)。[结论]p21WAF1/CIP1可能参与胶质瘤的发生和发展,并可作为评估胶质瘤细胞瘤恶性程度以及预后的手段之一。
出处 《中国肿瘤》 CAS 2006年第12期865-866,共2页 China Cancer
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