ORIGINAL ARTICLE |
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Year : 2016 | Volume
: 57
| Issue : 4 | Page : 242-245 |
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DNA methylation analysis of secreted frizzled-related protein 2 gene for the early detection of colorectal cancer in fecal DNA
Hadi Babaei, Mohsen Mohammadi, Rasoul Salehi
Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
Correspondence Address:
Rasoul Salehi Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan 81744-176 Iran
Source of Support: None, Conflict of Interest: None | Check |
DOI: 10.4103/0300-1652.188357
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Background: The early detection of colorectal cancer (CRC) with high sensitivity screening is essential for the reduction of cancer-specific mortality. Abnormally methylated genes that are responsible for the pathogenesis of cancers can be used as biomarkers for the detection of CRC. The methylation status of the secreted frizzled-related protein 2 (SFRP2) gene was evaluated for their use as a marker in the noninvasive detection of CRC. Materials and Methods: Methylation-specific polymerase chain reaction was performed to analyze the promoter CpG methylation of SFRP2 in the fecal DNA of 25 patients with CRC and 25 individuals exhibiting normal colonoscopy results. Results: Promoter methylation levels of SFRP2 in CRC patients and in healthy controls were 60% and 8%, respectively. Methylation of the SFRP2 promoter in fecal DNA is associated with the presence of colorectal tumors. Conclusion: Hence, the detection of aberrantly methylated DNA in fecal samples may present a promising, noninvasive screening method for CRC. |
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