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. 2021 Dec 20;7:397. doi: 10.1038/s41420-021-00797-2

Fig. 4. ATG5 restores autophagy and decreases the senescence phenotype.

Fig. 4

Young and aged BMDMs were treated with LPS (100 ng/ml) with or without pretreatment with 3-MA (5 mM) or LAC-ATG5 transfection. A With 3-MA pretreatment, TEM examination of autophagosomes from young and aged BMDMs. Quantification in (B). C Representative images of senescence-associated β-galactosidase staining. D TEM examination of autophagosomes from young and aged BMDMs after pretreatment with LAC-ATG5 and (E) quantification. F Immunoblotting of LC3-I/II, ATG5, and p62 expression in BMDMs from each group after pretreatment with 3-MA or LAC-ATG5 and (G) quantification. All results are representative of at least three independent experiments. Values are presented as the mean ± SD. *p ≤ 0.05; **p ≤ 0.01; ***p ≤ 0.001.