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. 2021 Jul 17;14:3405–3417. doi: 10.2147/JIR.S313910

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© 2021 Wang et al.

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Western blotting was used to detect the Col-I and Beclin-1 protein expression in oral mucosal FBs after different PDGF-BB stimulation times. ***Indicates the comparison of Col-I in the 24-h group with that in the 6- and 12-h groups; ***P < 0.001. *Indicates the comparison of Col-I in the 48- and 72-h groups with that in the 24-h group; *P < 0.05. ^#Indicates the comparison of Beclin-1 in the 24-h group with that in the rest of the time groups; ^#P < 0.05.