摘要
目的:研究抑癌基因 P53 及其表达产物 P53 蛋白在肾上腺嗜铬细胞瘤中的表达,比较 P53 m R N A 表达与 P53 蛋白表达的关系。方法:应用免疫组织化学及核酸分子原位杂交方法检测 P53 基因及其产物的表达情况。结果:原位杂交显示, P53 m R N A 在肾上腺嗜铬细胞瘤中表达为24.0% (7/29),在恶性肾上腺嗜铬细胞瘤中为14.0% (1/7);免疫组织化学显示, P53 蛋白在肾上腺嗜铬细胞癌中表达为79.3% (23/29),在恶性肾上腺嗜铬细胞瘤中为71.0% (5/7)。结论:在肾上腺嗜铬细胞瘤中,存在 P53 基因突变,推测 P53 基因与肾上腺嗜铬细胞瘤发生、发展有显著相关性。
Purpose:To investigate the expression and machanism of antioncogene P53 mRNA and its protein in human adrenal pheochromocytoma.Methods:In situ hybridization (ISH) was employed to detect P53 mRNA in pheochromocytoma.P53 protein was examied by SP immunohistochemistry.Results:ISH showed 24.0 % (7/29) had the expression of P53 mRNA in pheochromocytomas (7/29) and 14.0 % (1/7) in malignant pheochomocytomas (1/7).23 had the expression of P53 protein in 29 cases of pheochromocytomas ( 79.3 %) and 5 in 7 cases of malignant pheochromocytomas ( 71.0 %).Conclusions:The mutation of P53 gene might be very important in and responsible for pathogenesis of pheochromocytomas.
出处
《临床泌尿外科杂志》
1999年第9期400-402,共3页
Journal of Clinical Urology
关键词
嗜铬细胞瘤
P53蛋白
肾上腺肿瘤
基因表达
Pheochromocytoma P53 gene Adrenal gland neoplasms Gene expression P53 protein