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2 protocols using ab63552

1

Protein Extraction and Western Blot Analysis

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Protein samples from femoral head tissues were obtained using a Total Protein Extraction Kit (BC3711, Solarbio). Then, the protein concentration was determined by a Protein Assay kit (Beyotime, Shanghai, China). Protein samples were separated by 10% SDS-PAGE gel and electrically transferred to PVDF membranes (Millipore, Billerica, MA, USA). The membranes were hatched with the primary antibodies at 4℃ overnight after being blocked with 3% bovine serum albumin (BSA, Sangon Biotech, Shanghai, China) for 1 h at room temperature. The primary antibodies were listed as followed: rabbit anti-AKT (ab179463, 1:10,000); rabbit anti-p-AKT (ab81283, 1:1,000); rabbit anti-mTOR (ab2732; 1:10,000); rabbit anti-p-mTOR (ab63552; 1:1,000); rabbit anti-β-actin (ab8227; 1:1,000) (Abcam, Cambridge, UK). The membranes were incubated with goat-anti-rabbit IgG (H+L)-HRP (1:10,000, ab6721, Abcam) for 1 h at room temperature after washing with TBST thrice. Protein bands were visualized with an Electrochemilluminescence (ECL) chemilumine-scence kit (WBULS0500; EMD Millipore) and the bands intensity were analyzed with Image-Pro Plus 6.0 software.
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2

Protein Expression Analysis in NRK-52E Cells

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NRK-52E cells were lysed in radioimmunoprecipitation assay (RIPA) lysis buffer (Beyotime, Suzhou, China) to extract the total protein. The protein was separated in sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and transferred onto nitrocellulose membranes (Sigma-Aldrich, St. Louis, USA). Then, the membranes were placed in 5% milk for 2 h, incubated with 1000 times diluted antibodies of Col IV (ab6566), α-smooth muscle actin (α-SMA, ab32575), p62 (ab109012), microtubule-associated protein 1A/1B-light chain 3 (LC3)-II/I (ab128025), Beclin 1 (ab62557), phosphatase and tensin homolog deleted on chromosome ten (PTEN, ab32199), phosphatidylinositol 3-kinase (PI3K, ab189403), phosphorylated (p)-PI3K (ab182651), total (t)-protein kinase B (t-AKT, ab8805), p-AKT (ab38449), p-mTOR (p-mTOR, ab109268), and t-mTOR (ab63552, Abcam, Cambridge, USA) at 4°C overnight; then anti-mouse immunoglobulin G (IgG) antibody (1:2000; ab150113, Abcam, Cambridge, USA) was added and the membranes were incubated for 1 h. The bands were analyzed by an imaging system (Bio-Rad, Hercules, USA) and ImageJ software (NIH Image, Bethesda, USA).
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