However, given prior evidence that FKBP5 may be differentially expressed after dexamethasone treatment41, we performed analyses to tease apart the relationship between ICS use, methylation at cg03546163, asthma severity by CASI, and risk for asthma in the four US sites where both DNAm and RNAseq were available. Here, FKBP5 is linked to asthma.