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3 protocols using sqstm1 p62 antibody

1

Protein Expression Analysis by Western Blot

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Protein samples were extracted with RIPA buffer. The extracted total protein was separated by SDS-PAGE and transferred to PVDF membranes. Following incubation in blocking buffer for 1 h at room temperature, the membrane was incubated at 4°C overnight with Ptch1 antibody (Abcam, ab109096), Foxo3 antibody (Thermo Fisher Scientific, FA1-14171), SQSTM1/p62 antibody (Abcam, ab56416), and LC3B (D11) XP antibody (Cell Signaling Technology, 3868S). The results were visualized using Beyo ECL Plus substrate and exposed to X-ray film. β-actin was used for normalization.
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2

Autophagy regulation in breast cancer cells

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MDA-MB-231, MDA-MB-468, and MCF-10A cells were purchased from American Type Culture Collection (ATCC, Manassas, VA, USA). MDA-MB-231 and MCF-10A cells were cultured in DMEM with 10% fetal bovine serum, while MDA-MB-468 cells were cultured in L-15 with 10% fetal bovine serum and incubated with 5% CO2. Antibodies used in this study were as follows: BRD4 (Cell Signaling Technology, no. 13440S), p-BRD4S492 (EMD Millipore, ABE no. 1451), c-Myc (Abcam, ab56), LC3B antibody (Abcam, ab51520), SQSTM1/p62 antibody (Abcam, ab56416), CK2α (Cell Signaling Technology, no. 2656S), p-AKTS129 (Abcam, 133458), GAPDH (Cell Signaling Technology, no. 5174), beclin-1 (Cell Signaling Technology, no. 3495), Bax (Cell Signaling Technology, no. 5023), Bcl-2 (Cell Signaling Technology, no. 2870), caspase-3 (Abcam, ab13847). MTT (M2128), 3-MA (M9281), and Hoechst 33258 were purchased from Solarbio. Bafilomycin A1 (ab120497) was purchased from Abcam.
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3

Western Blot Analysis of Protein Markers

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Protein samples were extracted with RIPA buffer. The extracted total protein was separated by SDS-PAGE and transferred to PVDF membranes. Following incubation in blocking buffer for 1 h at room temperature, the membrane was incubated at 4°C overnight with Ptch1 antibody (Abcam, ab109096), Foxo3 antibody (Thermo, FA1-14171), SQSTM1 / p62 antibody (Abcam, ab56416), and LC3B (D11) XP antibody (Cell Signaling Technology, 3868S). The results were visualized using Beyo ECL Plus substrate and exposed to X-ray lm. β-actin was used for normalization.
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