DNA methylation in ductal carcinoma in situ of the breast

被引:18
作者
Pang, Jia-Min B. [1 ,2 ]
Dobrovic, Alexander [1 ,3 ]
Fox, Stephen B. [1 ,3 ]
机构
[1] Peter MacCallum Canc Ctr, Dept Pathol, East Melbourne, Vic 3002, Australia
[2] Univ Melbourne, Dept Pathol, Melbourne, Vic 3002, Australia
[3] Univ Melbourne, Sir Peter MacCallum Dept Oncol, Melbourne, Vic 3010, Australia
关键词
SURGICAL ADJUVANT BREAST; CPG ISLAND METHYLATION; GENOME-WIDE ANALYSIS; PROMOTER HYPERMETHYLATION; HIGH-THROUGHPUT; BIOLOGICAL MARKERS; LOCAL RECURRENCE; EARLY EVENT; ABERRANT METHYLATION; CANCER;
D O I
10.1186/bcr3420
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Ductal carcinoma in situ (DCIS) is a non-obligate precursor lesion of invasive carcinoma of the breast. Current prognostic markers based on histopathological examination are unable to accurately predict which DCIS cases will progress to invasive carcinoma or recur after surgical excision. Epigenetic changes have been shown to be a significant driver of tumorigenesis, and DNA methylation of specific gene promoters provides predictive and prognostic markers in many types of cancer, including invasive breast cancer. In general, the spectrum of genes that are methylated in DCIS strongly resembles that seen in invasive ductal carcinoma. The identification of specific prognostic markers in DCIS remains elusive and awaits additional work investigating a large panel of methylatable genes by using sensitive and reproducible technologies. This review critically appraises the role of methylation in DCIS and its use as a biomarker.
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页数:11
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