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Figure 1 | BMC Cancer

Figure 1

From: Why do results conflict regarding the prognostic value of the methylation status in colon cancers? the role of the preservation method

Figure 1

Schematic representation of the procedure for evaluating methylation variability, by pyrosequencing, from cryo-preserved tissue DNA. A1, A2, A3 and A4 symbols were the four replicates of the bisulfite conversion A of the pool of tumour DNA performed on day 1, and B1 and B2 the two replicates of the bisulfite conversion B performed on day 2. PCR 1 and 2 were two similar but independent PCRs performed one day apart in duplicate. Pyrosequencing 1 and 2 were two similar but independent pyrosequencing procedures performed one day apart.

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