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Aberrant DNA methylation of the p16INK4a gene in plasma DNA of breast cancer patients
被引:107
|作者:
Silva, JM
[1
]
Dominguez, G
[1
]
Villanueva, MJ
[1
]
Gonzalez, R
[1
]
Garcia, JM
[1
]
Corbacho, C
[1
]
Provencio, M
[1
]
España, P
[1
]
Bonilla, F
[1
]
机构:
[1] Clin Puerta de Hierro, Dept Med Oncol, Madrid 28035, Spain
关键词:
p16(INK4a) gene;
DNA methylation;
breast cancer;
plasma DNA;
CpG islands;
D O I:
10.1038/sj.bjc.6690495
中图分类号:
R73 [肿瘤学];
学科分类号:
100214 ;
摘要:
Hypermethylation of exon 1 of p16(INK4a) was examined in tumour and plasma DNA of a series of breast cancer patients. De novo methylation was observed in the tumours of eight patients (23%), and in plasma DNA in five (14%) of these eight patients. Our data show that de novo methylation of exon 1 of p16(INK4a) can be demonstrated in plasma DNA of breast cancer patients, a fact that provides additional evidence of the tumour-related origin of free plasma DNA in cancer patients.
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页码:1262 / 1264
页数:3
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