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Figure 1: The methylation status of BARF1p and BHRF1p analyzed by MSP in EBV-positive cell lines. (a, c) MSP analysis of the methylation status of BARF1 and BHRF1 gene promoters before 5-Aza-CdR treatment in EBV-positive cell lines: PT, GT38, C666-1, Raji, GT39, SNU719, B95-8, and OB. (b, d) MSP analysis of the methylation status of BARF1 and BHRF1 in EBV-positive cell lines after 5-Aza-CdR treatment. (a, b) BARF 1p. (b, d) BHRF1p. M, methylated; U, unmethylated.