This gene set includes genes associated with asthma in humans and mice such as adrenoceptor beta 2 (ADRB2), nuclear receptor subfamily 1 group D member 2 (NR1D2) and period circadian clock 3 (PER3), as well as genes that have not previously been linked to asthma such as D site of albumin promoter (albumin D-box) binding protein (DBP), circadian-associated repressor of transcription (CIART or CHRONO, ChIP-derived Repressor of Network Oscillator) and thyrotrophic embryonic factor (TEF). This evidence concerns the gene PER3 and asthma.