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. 2014 Oct 9;4:6563. doi: 10.1038/srep06563

Figure 8. TGF-β1 signaling in kl/kl mice is enhanced by a vitamin D3 free diet.

Figure 8

(a) Representative immunofluorescence for phosphorylated (p)-Smad3. (b) Western blot for pSmad3 in UUO- or sham-treated kidneys. Full-length blots are included in the supplementary information. (c) Comparison of the number of pSmad3-positive nuclei. (d) Comparison of pSmad3 to total Smad3 ratio in western blots. (e) TGF-β1 protein expression in the kidneys as measured by ELISA. (f) TGF-β1 mRNA expression as measured by real-time PCR. Amelioration of UUO-induced activation of TGF-β1 signaling in kl/kl mice was abolished by a vitamin D3 free diet. pSmad3 positive nuclei and TGF-β1 expression were increased at the protein and mRNA levels. Data are presented as the means ± SD. *P < 0.05 (n = 5), #p < 0.05 vs. sham treated kidneys. &P < 0.05 vs. D-diet kl/kl mice.