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Representative samples (n=3) of the methylation status of ten umor suppressor genes (TSGs) in 48 hepatocellular carcinomas (HCCs) and matched corresponding noncancerous tissues. The methylation-specific PCR (MSP) products in the M lanes indicate the presence of methylated alleles, and those in the U lanes indicate the presence of unmethylated allele; N, non-tumor; T, tumor.
