Human umbilical cord mesenchymal stem cells combined with pirfenidone upregulates the expression of RGS2 in the pulmonary fibrosis in mice.

Compared with the α-SMA mRNA level in the model group, there was no significant change in the levels in the P 10 group, a decreasing trend was observed in the P 30 and P 300 groups ( p = 0.07 and p = 0.06, respectively, n = 3), and a significant decrease was observed in the P 100 group ( p < 0.05, n = 3) (Fig. 1 I).

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