Fig. 4: Circadian evaluation of ARNTL1, PER2, and NR1D1 genes measured from the saliva of healthy participants with TimeTeller® kits.
From: Comprehensive integrative analysis of circadian rhythms in human saliva
a Boxplot depicts the reproducibility in gene expression of ARNTL1, PER2, and NR1D1 between Day 1 and Day 2. b The acrophase plot depicts the distribution of participants according to their phase and amplitude. c The radar plot depicts the phase (time of first peak expression) of each participant who carried out saliva sampling at different times of the year (# represents the participant number; W: saliva sampling carried out during winter time; S: saliva sampling carried out during summer time). d Representative images of circadian profiles among different participants. The gray shade represents the sleep time (~23 h–7 h) window between the two days of saliva sampling.
