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http://dx.doi.org/10.7314/APJCP.2014.15.22.9607

BRCA1 Promoter Hypermethylation Signature for Early Detection of Breast Cancer in the Vietnamese Population  

Truong, Phuong Kim (Department of Biotechnology Applications in Medicine, Faculty of Biotechnology, Ho Chi Minh City Medicine and Pharmacy University)
Lao, Thuan Duc (Department of Biotechnology Applications in Medicine, Faculty of Biotechnology, Ho Chi Minh City Medicine and Pharmacy University)
Doan, Thao Phuong Thi (Department of Pathological Anatomy, Faculty of Medicine)
Huyen, Thuy Ai (Department of Biotechnology Applications in Medicine, Faculty of Biotechnology, Ho Chi Minh City Medicine and Pharmacy University)
Publication Information
Asian Pacific Journal of Cancer Prevention / v.15, no.22, 2014 , pp. 9607-9610 More about this Journal
Abstract
Breast cancer, a leading cause of death among women in most countries worldwide, is rapidly increasing in incidence in Vietnam. One of biomarkers is the disruption of the genetic material including epigenetic changes like DNA methylation. With the aim of finding hypermethylation at CpG islands of promoter of BRCA1 gene, belonged to the tumor suppressor gene family, as the biomarker for breast cancer in Vietnamese population, sensitive methyl specific PCR (MSP) was carried out on 115 samples including 95 breast cancer specimens and 20 normal breast tissues with other diseases which were obtained from Ho Chi Minh City Medical Hospital, Vietnam. The result indicated that the frequency of BRCA1 hypermethylation reached 82.1% in the cases (p<0.001). In addition, the DNA hypermethylation of this candidate gene increased the possibility to be breast cancer with high incidence via calculated odd ratios (p<0.05). In conclusion, hypermethylation of this candidate gene could be used as the promising biomarker application with Vietnamese breast cancer patients.
Keywords
BRCA1; methylation; bisulfite modification; breast cancer;
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