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. 2021 Aug 16;11:16525. doi: 10.1038/s41598-021-96152-7

Figure 4.

Figure 4

Vitamin D deficiency aggravates the induction of pro-fibrotic factors by BLM. (A) Real-time RT-PCR quantitation of mRNA expressions of pro-fibrotic genes. *P < 0.05, **P < 0.01, ***P < 0.001, versus VDS group; &&P < 0.05, &&&P < 0.001, versus VDD group, #P < 0.05, ##P < 0.01, versus VDS + BLM group; by two-way ANOVA. n = 3–4 each group. (B,C) Western blot analysis (B) and densitometric quantitation (C) of α-SMA, TGF-β1, Col I and FN in the lung lysates. *P < 0.05, **P < 0.01, ***P < 0.001, versus VDS group; &&P < 0.05, &&&P < 0.001, versus VDD group; ##P < 0.01, ###P < 0.001, versus VDS + BLM group; by two-way ANOVA and Kruskal–Wallis one-way ANOVA (for α-SMA levels). n = 5–6 each group.