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We performed reverse transcription-PCR to analyze the levels of EGF mRNA. After A549 cells were infected with M. pneumoniae for 4 h, cells were treated with 16 μg/mL of Baicalin and 100 μg/mL of Qinbai for 3 days at 37 °C. EGF expression in A549 cells was increased by Baicalin and Qinbai. Data are presented as mean ± SD, p < 0.05.
