PCDH11X and Neonatal sepsis: In a further approach searching for prognostic markers of neonatal sepsis, a small epigenome study analyzed the methylation status of CpGs in blood samples from 3 septic neonates and 3 non-septic and found 81 differently methylated CpG sites in 64 genes, whose functional analysis showed the enrichment of protocadherin genes in neonatal sepsis (67).