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Figure 5 | Clinical Epigenetics

Figure 5

From: Genome-wide methylation profiling of the different stages of hepatitis B virus-related hepatocellular carcinoma development in plasma cell-free DNA reveals potential biomarkers for early detection and high-risk monitoring of hepatocellular carcinoma

Figure 5

Representative results of the quantitations of the methylation levels by Multiplex-BSP-seq for health control (HC), chronic hepatitis B infection(CHB), liver cirrhosis (LC) and hepatocellular carcinoma (HCC) plasma DNA samples. For each gene, the heat map of the methylation patterns for each CpG is shown. The methylation level (%) measured at each individual CpG site is expressed by the percentage of methylated CpG versus unmethylated CpG sites. HC, CHB, LC and HCC are represented by colored areas of blue, green, violet and red, respectively. The colored area is defined by 25%/75% quantiles. The comparison of the CpG methylation levels for each stage is colored blue to red, in small squares, to indicate the different P values. Representative heat map and methylation plot analysis of 5 target genes; consistently low levels of methylation of all CpGs were observed in GAPDH and steady high levels of CpG(CG1,2 and 7) methylation in KCNV1 are independent of the HCC developmental stage, while the methylation statuses of the other 3 genes (ZNF300, SLC22A20 and SHISA7) varied according to the developmental stage.

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Clinical Epigenetics

ISSN: 1868-7083

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