Hypermethylation of secreted frizzled related protein 2 gene promoter serves as a noninvasive biomarker for HBV-associated hepatocellular carcinoma.
2021
Abstract For patients with hepatocellular carcinoma (HCC), early detection is critical to improve survival. Secreted frizzled-related protein 2 (SFRP2) is a candidate tumor suppressor as Wnt antagonist and SFRP2 promoter has been found hypermethylated in various malignancies. This study aimed to investigate the methylation status of SFRP2 promoter in hepatitis B virus (HBV) associated HCC and estimate its diagnostic value as a non-invasive biomarker. A total of 293 patients, including 132 patients with HBV-associated HCC, 121 with chronic hepatitis B (CHB) and 40 healthy controls (HCs) were enrolled. SFRP2 methylation level in peripheral mononuclear cells (PBMCs) was quantitatively detected by MethyLight. SFRP2 methylation level was significantly higher in patients with HBV-associated HCC than in those with CHB (p 50 years old, female, with negative HBeAg, negative HBV-DNA and poor differentiation compared with the remaining groups (P
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