Fig. 6From: The role of miR-431-5p in regulating pulmonary surfactant expression in vitroQuantitative real-time PCR was used to detect the expression of surfactant proteins. a – SP-A mRNA expression in A549 cells. b – SP-B mRNA expression in A549 cells c – SP-C mRNA expression in A549 cells. d – SP-D mRNA expression in A549 cells. *p < 0.05; **p < 0.01; ***p < 0.001 vs. miR-431-5p negative controlBack to article page