To explore the function of any OFC-associated DMRs, we used the missMethyl [35 (link)] R package to test for enrichment of any gene ontology (GO) classification terms or Kyoto Encyclopaedia of Genes and Genomes (KEGG) pathways. This method corrects for biases in the genomic coverage of the Illumina Infinium HumanMethylation450 BeadChip array. We also looked up gene annotations from our DMRs in recently curated lists of OFC-related genes from (1) the DisGeNET database of diseases and related genes from human, rat and mouse studies [36 (link)] and (2) a bioinformatics study of OFC-related genes in human and animal studies published by Funato et al. [37 (link)].
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