Promoter methylation analysis of CDH1 and p14ARF genes in patients with urothelial bladder cancer.

Abstract:

Background/aim:Urothelial bladder cancer arises from the accumulation of multiple epigenetic and genetic changes. We aimed to investigate the specificity and sensitivity of gene-specific promoter methylation of CDH1 and p14ARF genes in the early diagnosis of bladder cancer and compare those with other diagnostic tests in our population. Patients and methods:In the current study, 65 patients with urothelial bladder cancer and 35 controls without any history of cancer were recruited. Methylation profiles of CDH1 and p14ARF genes from tumor and urine samples were determined by methylation-specific polymerase chain reaction method. Results:Methylation of CDH1 and p14ARF genes in tumor samples was 95.4% and 78.5%, respectively. The methylation frequencies were found to be 68.8% for CDH1 gene and 72.9% for p14ARF gene in urine samples. Sensitivities of CDH1, p14ARF and urine cytology were found to be 67.4%, 72.1% and 34.9%, respectively, while their specificities were 93.9%, 63.6% and 93.9%, respectively. Conclusion:Aberrant promoter methylation of CDH1 and p14ARF genes can be used to detect urothelial bladder cancer. In low-grade tumors, when compared with urine cytology, combined methylation analysis of CDH1 and p14ARF genes may not increase the sensitivity to identify malignant cells in urine samples.

journal_name

Onco Targets Ther

journal_title

OncoTargets and therapy

authors

Bayramov B,Gunes S,Buyukalpelli R,Aydın O,Henkel R

doi

10.2147/OTT.S158259

subject

Has Abstract

pub_date

2018-07-19 00:00:00

pages

4189-4196

issn

1178-6930

pii

ott-11-4189

journal_volume

11

pub_type

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