ras Oncogene p21 expression is increased in premalignant lesions and high grade bladder carcinoma.

ras Oncogene p21 expression is increased in premalignant lesions and high grade bladder carcinoma.
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DOI:
10.1084/jem.161.5.1213
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发表时间:
1985-05-01
期刊:
The Journal of experimental medicine
影响因子:
--
通讯作者:
Schlom J
Schlom J
中科院分区:
其他
文献类型:
--
作者:
Viola MV;Fromowitz F;Oravez S;Deb S;Schlom J

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ras癌基因p21抗原存在于正常膀胱尿路上皮的最表层细胞中,如免疫组化染色所示。上皮增生和低度恶性膀胱癌中p21蛋白的表达与正常膀胱组织相似。相反,上皮细胞在“癌前病变”(发育不良)病变和高级别癌表现出强烈的p21抗原染色反应。ras p21可能是膀胱癌前病变和癌恶性潜能的有用标记物。
ras Oncogene p21 antigen is present in the most superficial cells of the normal bladder urothelium, as demonstrated by immunohistochemical staining. The pattern and intensity of p21 staining of cells in epithelial hyperplasia and low grade bladder carcinoma were similar to that seen in the normal urothelium. In contrast, epithelial cells in "premalignant" (dysplastic) lesions and high grade carcinomas exhibited an intense staining reaction for p21 antigen. ras p21 may be a useful marker for the malignant potential of both premalignant lesions and carcinomas of the bladder.
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