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. 2023 Nov 8;8:64. doi: 10.1038/s41536-023-00339-7

Fig. 5. TECs-specific knockout of IL-22RA1 blocked thymus regeneration.

Fig. 5

a, b Thymic stromal cells were isolated from wild-type C57BL/6 mice treated by 5.5 Gy TBI. Day 0 indicates the samples were collected right before TBI. a qPCR was performed to detect mRNA levels (n = 5). The values of Day 0 were set as 1. b Western blot was performed with indicated antibodies. c, d B6-Il22ra1fl/fl mice and B6-Il22ra1fl/fl;Foxn1-cre mice, pretreated by 5.5 Gy TBI, were intraperitoneally injected with vehicle, rmIL-22 (200 ng) or FICZ (0.1 mg/kg) thrice weekly for 2 weeks. At day 14, c thymus cells were counted as described (n = 5). d H&E staining was performed on slides of thymus. Scale bar: 500 μm. Data are mean ± SD, compared using one-way ANOVA test or Student’s t test. *, p < 0.05; **, p < 0.01; ***, p < 0.001; n.s., not significant.