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Abstract

Methods for determining the methylation status of a plurality of cytosines are disclosed. In some aspects genomic DNA target sequences containing CpGs are targeted for analysis by multiplex amplification using target specific probes that can be specifically degraded prior to amplification. The targets may be modified with bisulfite prior to amplification. In another aspect targets are cut with methylation sensitive or insensitive restriction enzymes and marked with a tag using the target specific probes. The presence or absence of methylation may be determined using methylation sensitive restriction enzyme or bisulfite treatment. Detection in many embodiments employs hybridization to tag arrays, genotyping arrays or resequencing arrays.

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First Claim