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3 protocols using antibodies against n cadherin

1

Western Blot Analysis of Protein Expression

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Cells were lysed in RIPA buffer containing 1mM protease inhibitors PMSF (Beyotime, Shanghai China). Equal amounts of protein were separated and then blotted with antibodies as follows: antibodies against HNF4α (C19, 1:500), E-cadherin (1:500) and β-actin (1:500) from Santa Cruz Biotechnology (Santa Cruz, USA), anti-GRP78 (1:1000) from Abcam (Cambridge, UK), antibodies against N-cadherin (1:1000), MMP9 (1:1000) and Bcl-2 (1:1000) from Cell Signaling Technology (Beverly, MA, USA) and HRP-conjugated species-specific secondary antibodies (1:2000 dilution, ProteinTech Group, Wuhan, China). After enhanced chemiluminescence reaction (Tiangen, Beijing, China), relative amounts of protein were quantified using Image Gel-Pro analyzer software (Media Cybernetics, Florida, USA).
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2

Antibody-based Protein Expression Analysis

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All reagents were of analytical grade and were purchased from Sigma (St. Louis, MO, USA) unless otherwise specified. Cell culture dishes and flasks were from TPP (Switzerland). ECL was from GE Healthcare (Wauwatosa, WI, USA). Antibodies against PRDX6 were from Mybiosource (Cambridge, UK). Antibodies against N-cadherin, caspase-3, E-cadherin, PCNA, GSK3β, pGSK3βS9, and pAKTS473 were purchased from Cell Signaling (Danvers, MA, USA). Antibodies against AKT and actin were from Santa Cruz (Dallas, TX, USA). HA-flag antibody was from Thermo Fisher Scientific (Waltham, MA, USA), and complex I antibody and secondary antibodies conjugated with horseradish peroxidase were from Sigma. Secondary antibodies conjugated with Alexa Fluor 488 and 647 fluorophores and Alexa Fluor 488 phalloidin were from Abcam (Cambridge, UK), and Matrigel® Matrix basement membrane was from Corning (New York, NY, USA).
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3

Autophagy and Epithelial-Mesenchymal Transition

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Antibodies against SQSTM1 (PB0458, 1:400) was obtained from Boster Biological Technology Co. Ltd. Antibody against MFN1 (ab107129), LC3B (ab48394), Pink (ab23707), Parkin (ab77924) and Snail (ab53519) were purchased from Abcam. Antibodies against BECN-1 (sc-48341) and Fis 1(sc-376469) were purchased from Santa Cruz Biotechnology, Inc. Antibodies against N-cadherin (#13116) and E-cadherin (#14472) were obtained from Cell Signalling Technology. The Cell Counting Kit-8 kit (C0037) was provided by Beyotime Institute of Biotechnology. Bromodeoxyuridine (BrdU) proliferation assay kit (2750) was purchased from Millipore Corporation. The immunocytochemistry detection kits (SPN-9001) obtained from ZSGB-BIO. Chloroquine diphosphate salt (C6628) was purchased Sigma. mRFP-eGFP-LC3 plasmid was obtained from Hanbio Biotechnology Co. Ltd (Shanghai, China). Enhanced chemiluminescence (ECL, RPN2236) reagents were from Amersham International. All other reagents were from common commercial sources.
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