Shift of Keratin Expression Profile in End-stage Kidney Increases the Risk of Tumor Development.

Abstract:

BACKGROUND/AIM:Pre-neoplastic lesions and renal cell tumors of distinct pheno- and genotypes occur frequently in end-stage kidneys. The aim of this study was to investigate the role of KRT7 and KRT19 in this process, the expression of which was previously detected by Affymetrix GeneChip analysis. PATIENTS AND METHODS:Twelve end-stage kidneys were analyzed to find pre-neoplastic lesions and tumors and expression of KRT7 and KRT19 was examined by immunohistochemistry. RESULTS:A total of 17 tumors, 149 pre-neoplastic lesions, 179 simple or proliferative cysts >2 mm were identified. Diffuse expression of KRT7 and KRT19 was seen in all end-stage kidneys as well as in the vast majority of cysts, pre-neoplastic lesions and tumors. CONCLUSION:Our data indicates that de novo expression of KRT7 and KRT19 resulting in altered plasticity and stem cell characteristics of epithelial cells might be a crucial factor in increasing the risk of tumor development in end-stage kidneys.

journal_name

Anticancer Res

journal_title

Anticancer research

authors

Sarlos DP,Peterfi L,Szanto A,Kovacs G

doi

10.21873/anticanres.12845

subject

Has Abstract

pub_date

2018-09-01 00:00:00

pages

5217-5222

issue

9

eissn

0250-7005

issn

1791-7530

pii

38/9/5217

journal_volume

38

pub_type

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