口腔鳞癌中p16与p53基因表达的研究

JOURNAL OF DENTAL PREVENTION AND TREATMENT(2003)

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Abstract
目的探讨口腔鳞癌中p16与p53基因表达特征和临床病理意义.方法对31例口腔鳞癌组织采用免疫组化方法检测P16及P53蛋白表达.结果 31例口腔鳞癌中P16蛋白阳性表达17例,阳性率54.8%,P53阳性表达16例,阳性率51.6%.P16在鳞癌Ⅰ级中阳性表达14例(63.6%),Ⅱ级中阳性1例(33.3%),Ⅲ~Ⅳ级中阳性2例(33.3%).P53在鳞癌Ⅰ级病例中阳性10例(45.5%),Ⅱ级中1例(33.3%),Ⅲ~Ⅳ级中15例(83.3%).P16蛋白阳性表达率随病理恶性程度增高而降低,但无统计学意义.结论 P53蛋白阳性表达率随病理恶性程度升高而增高,提示p53基因与口腔鳞癌细胞分化有相关性.
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Key words
p53 gene expression,oral,gene expression
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