For turnover assays, ATG16L1 rs2241880 knock-in AGS cell lines were subjected to serum starvation (Earle’s Balanced Salt Solution (Sigma) supplemented with sodium bicarbonate 2.2 g/L) or chloroquine (40uM) (Sigma) treatment, for 6 hours.
Western blot was performed as described previously.64 (link) After incubation with the primary antibodies (GRP78 #3177S, LC3B-I/II #2775S, p62 #5114S; Cell Signaling Technology), membranes were incubated with IRDye antibodies (LI-COR Biosciences, Lincoln, NE, USA) or Goat Anti-Rabbit IgG (H + L)-HRP Conjugate (BioRad). Detection was performed using the Odyssey reader or the ImageQuant LAS 500 (GE Life Sciences, Uppsala, Sweden). See supplement for details.
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