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Expression of chicken ovalbumin upstream promoter-transcription factor I (COUP-TFI) in bladder transitional cell carcinoma

Authors
 Won Sik Ham  ;  Joo Hyoung Lee  ;  Ho Song Yu  ;  Young Deuk Choi 
Citation
 Urology, Vol.72(4) : 921-926, 2008 
Journal Title
 Urology 
ISSN
 0090-4295 
Issue Date
2008
MeSH
Adult ; Aged ; Aged, 80 and over ; COUP Transcription Factor I/biosynthesis* ; COUP Transcription Factor I/genetics ; Carcinoma, Transitional Cell/genetics ; Carcinoma, Transitional Cell/metabolism* ; Female ; Gene Expression Regulation, Neoplastic ; Male ; Middle Aged ; Urinary Bladder Neoplasms/genetics ; Urinary Bladder Neoplasms/metabolism* ; Urothelium/metabolism*
Abstract
OBJECTIVES: An analysis of differentially expressed genes (DEGs) between bladder transitional cell carcinoma (TCC) and the surrounding urothelium to help identify what lies behind the mechanism of multifocal tumor development has not yet been performed. We sought to find a new DEG related to the development of bladder TCC. METHODS: Thirty-nine bladder TCC tissues paired with normal-appearing urothelium tissues obtained from the same patient were used as subjects. Initially, we compared the messenger RNA (mRNA) profiles between normal-appearing urothelium and TCC tissue of 1 patient by using annealing control primer (ACP)-based GeneFishing polymerase chain reaction (PCR) and selective amplification of family members (SAFM) PCR to identify potential DEGs. To validate the results of the ACP data, reverse transcriptase-polymerase chain reaction (RT-PCR) was performed on those of all 39 patients. RESULTS: Among the several DEGs discovered in the ACP data, 1 DEG was chosen as the candidate for the RT-PCR, that is present or markedly upregulated in normal-appearing urothelial tissue compared with TCC tissue. Gene sequence searching revealed that this DEG is chicken ovalbumin upstream promoter-transcription factor I (COUP-TFI). Downregulation of COUP-TFI mRNA expression in TCC tissue compared to normal-appearing urothelium tissue of the same patient, irrespective of tumor stage and grade, was confirmed by RT-PCR in 39 patients. CONCLUSIONS: Our results suggest that the loss of COUP-TFI may play a role in the transition from normal epithelium to TCC. Further characterization of the COUP-TFI gene is expected to give us informations about bladder TCC tumorigenesis.
Full Text
https://www.sciencedirect.com/science/article/pii/S0090429508002197
DOI
10.1016/j.urology.2008.02.019
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Choi, Young Deuk(최영득) ORCID logo https://orcid.org/0000-0002-8545-5797
Ham, Won Sik(함원식) ORCID logo https://orcid.org/0000-0003-2246-8838
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/163792
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