Alterations of Global Histone H3K9 and H3K27 Methylation Levels in Bladder Cancer

被引：28
作者：
Ellinger, Joerg [1 ,2 ]
Bachmann, Anne [1 ,2 ]
Goeke, Friederike
Behbahani, Turang E. [1 ,2 ]
Baumann, Claudia [1 ,2 ]
Heukamp, Lukas C. [3 ]
Rogenhofer, Sebastian [1 ,2 ]
Mueller, Stefan C. [1 ,2 ]
机构：
[1] Univ Klinikum Bonn, Klin & Poliklin Urol & Kinderurol, DE-53105 Bonn, Germany
[2] Univ Klinikum Bonn, Inst Pathol, DE-53105 Bonn, Germany
[3] Univ Cologne, Inst Pathol, Cologne, Germany
来源：
UROLOGIA INTERNATIONALIS | 2014年 / 93卷 / 01期
关键词：
Histone; Methylation; Bladder cancer; H3K9; H3K27; RENAL-CELL CARCINOMA; PROSTATE-CANCER; DNA METHYLATION; RECURRENCE; SURVIVAL; PROGRESSION; RISK; TRIMETHYLATION; DEMETHYLASES; EXPRESSION;
D O I：
10.1159/000355467
中图分类号：
R5 [内科学]; R69 [泌尿科学（泌尿生殖系疾病）];
学科分类号：
1002 ; 100201 ;
摘要：
Background: Epigenetic alterations, including histone modifications, play an important role during carcinogenesis. This study was designed to systematically investigate histone H3K9 and H3K27 methylation levels in bladder cancer (BCa) tissue. Methods:A tissue microarray with urothelial BCa (150 non-muscle-invasive BCa, NMIBC; 121 muscle-invasive BCa, MIBC; 31 metastatic BCa, MET) and normal urothelium (29, CTRL) specimen was used to determine the global levels of H3K9 and H3K27 mono-, di- and tri-methylation. Results: Global levels of H3K9 and H3K27 methylation were significantly higher in CTRL than in BCa, and levels in NMIBC were higher compared to MIBC. Histone nnethylation levels of MET resembled MIBC. We observed furthermore a correlation of histone nnethylation levels with pT stage (H3K9me1, H3K9me2, H3K9me3, H3K27me1, H3K27me3) and grade (H3K9nne2, H3K9me3, H3K27nne1) in NMIBC. H3K9me1, H3K9me3, H3K27me1 and H3K27me3 levels were also correlated with pT stage in MIBC. Histone modifications were not associated with recurrence-free or cancer-specific survival. Conclusions: Global histone H3K9 and H3K27 nnethylation levels are altered in BCa. (C) 2014 S. Karger AG, Basel
引用
收藏
页码：113 / 118
页数：6
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