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. 2021 Sep 24;12(10):871. doi: 10.1038/s41419-021-04159-9

Fig. 6. NLRP3 deficiency impedes IL-33 expression in atopic dermatitis model.

Fig. 6

A Ear thickness (μm) of mice was measured 24 h after MC903 final application on day 7 by using a vernier caliper from wild-type (WT) or Nlrp3-/- mice. Ear swelling was obtained by analysis of the thickness difference between the left and right ears of each mouse. B Ear weight (mg) of mice was assessed 24 h after MC903 final application on day 7 in the same volume of ear tissue obtained by a tissue punch. C Ear histological changes were evaluated with H&E staining and images were observed with optical microscopy (magnification: ×100, scale bar: 100 μm). D, qRT-PCR analysis of Il33 mRNA expression in ear homogenates from WT or Nlrp3-/- mice. E Secretion level of IL-33 in ear homogenates from WT or Nlrp3-/- mice was evaluated by ELISA. F–G, Secretion level of TSLP and IL-1β was evaluated by ELISA in ear homogenates from WT or Nlrp3-/- mice. Statistical comparisons were performed using One-way ANOVA analysis of variance with Dunnett’s test in multiple comparison (all data are represented as the mean ± SD of two independent experiments, n = 6, *P < 0.05; **P < 0.01 vs. Control or WT-AD).