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Asymmetric expression level of clock genes in left vs. right nasal mucosa in humans with and without allergies and in rats: Circadian characteristics and possible contribution to nasal cycle

Fig 4

Representative pictures show the distribution of PER1 (A) of right nasoturbinate, PER2 (B) of left nasoturbinate, CLOCK (C) of right nasoturbinate, and BMAL1 (D) of left nasoturbinate of rat at CT6.

Arrow head indicates superficial epithelium, large arrow; submucosal gland, small arrow: vascular endothelium. Scale bar indicates 50 uM.

Fig 4