BECN1 and pulmonary fibrosis: The protein levels of the autophagy marker Beclin-1 showed at Table 2 and Fig. 3, and the mRNA levels of autophagy-related genes, LC-3 and Beclin-1, showed at Table 4 and Fig. 5 revealed significantly (p < 0.05) decreased values in the lung fibrosis model group (BLM-G) compared to CN-G.