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P33 Methylation in Fecal DNA As a Molecular Screening Tool for Colorectal Cancer and Precancerous Lesions

Overview
Journal Oncol Lett
Specialty Oncology
Date 2014 Apr 26
PMID 24765192
Citations 3
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Abstract

The present study aimed to investigate the feasibility of detecting p33 inhibitor of growth 1b (p33) gene methylation in fecal DNA as a screening method for colorectal carcinoma (CRC) and precancerous lesions. The methylation of p33 was analyzed in fecal samples from 61 patients with CRCs, 27 patients with precancerous lesions (advanced adenoma) and 20 normal individuals by nested methylation-specific polymerase chain reaction (nMSP) and fecal occult blood test. Methylated p33 was detected in 73.77% of CRC patients and 62.96% of adenoma patients. By contrast, only 5% of normal individuals had methylated p33. These results indicated 73.77% sensitivity for detecting CRC, 62.96% sensitivity for detecting precancerous lesions and 95% specificity of the assay for detecting CRCs and precancerous lesions. The detection of p33 methylation status by incubation of DNA contained in agarose beads for bisulfite modification, followed by nMSP, is a promising non-invasive screening method for CRCs and precancerous lesions.

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References
1.
Shen D, Chan K, Khoo U, Ngan H, Xue W, Chiu P . Epigenetic and genetic alterations of p33ING1b in ovarian cancer. Carcinogenesis. 2005; 26(4):855-63. DOI: 10.1093/carcin/bgi011. View

2.
Collins J, Lieberman D, Durbin T, Weiss D . Accuracy of screening for fecal occult blood on a single stool sample obtained by digital rectal examination: a comparison with recommended sampling practice. Ann Intern Med. 2005; 142(2):81-5. DOI: 10.7326/0003-4819-142-2-200501180-00006. View

3.
Muller H, Oberwalder M, Fiegl H, Morandell M, Goebel G, Zitt M . Methylation changes in faecal DNA: a marker for colorectal cancer screening?. Lancet. 2004; 363(9417):1283-5. DOI: 10.1016/S0140-6736(04)16002-9. View

4.
Pehlivan S, Artac M, Sever T, Bozcuk H, Kilincarslan C, Pehlivan M . Gene methylation of SFRP2, P16, DAPK1, HIC1, and MGMT and KRAS mutations in sporadic colorectal cancer. Cancer Genet Cytogenet. 2010; 201(2):128-32. DOI: 10.1016/j.cancergencyto.2010.05.019. View

5.
Wang D, Tang D . Hypermethylated SFRP2 gene in fecal DNA is a high potential biomarker for colorectal cancer noninvasive screening. World J Gastroenterol. 2008; 14(4):524-31. PMC: 2681142. DOI: 10.3748/wjg.14.524. View