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Immunohistochemical analysis of the expression of cdk4 and p16INK4 in human endometrioid-type endometrial carcinoma by Tanri Shiozawa; Toshio Nikaido; Motohiko Shimizu; Yali Zhai; Shingo Fujii is a Medicine article available to read on EtoBox.
What is Immunohistochemical analysis of the expression of cdk4 and p16INK4 in human endometrioid-type endometrial carcinoma about?
## Background: Abnormalities in g1 cell cycle regulation have been associated with the malignant transformation of cells. to obtain further information about the role of factors regulating the g1 cell cycle in the development of endometrial carcinoma, the authors analyzed the expression of cdk4 (cyclin-dependent kinase) and p16ink4 (an inhibitor of cdk4). ## Methods: Immunohistochemical staining was performed on 20 specimens of normal endometria and 41 specimens of endometrioid-type endometrial carcinoma using antibodies against cdk4 and p16ink4. ## Results: In the glandular epithelia of the normal endometria, cytoplasmic staining of cdk4 and p16ink4 was observed only in the proliferative phase, but nuclear staining of these agents was negligible. in endometrial carcinomas, 8 (19.5%) and 14 (34.2%) were positive for cdk4 and p16ink4 in the nucleus, respectively. topographically, the nuclear cdk4 positive tumor cells were negative for p16ink4 and the nuclear p16ink4 positive tumor cells were found in areas without nuclear cdk4 expression, suggesting an inverse correlation between the two agents. in addition, the poorly differentiated carcinomas were more frequently positive for nucl
Who reads Immunohistochemical analysis of the expression of cdk4 and p16INK4 in human endometrioid-type endometrial carcinoma?
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- Author
- Tanri Shiozawa; Toshio Nikaido; Motohiko Shimizu; Yali Zhai; Shingo Fujii
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0008-543X)
- Published
- 1997
- Language
- EN
- Field
- Medicine (Health Sciences)