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2 protocols using ab254025

1

Intestinal Membrane Protein Analysis

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Cytomembrane protein and total protein were extracted from jejunum, ileum, and IPEC-J2 cells, using a membrane and cytosol protein extraction kit (Beyotime) and RIPA Lysis Buffer (Beyotime) in accordance with the manufacturer's instructions. Cytomembrane protein was used to determine the relative protein levels of AQP3 (sc-20811, Santa Cruz, TX, USA), AQP4 (ab46182, Abcam, LON, UK), AQP8 (sc-14984, Santa Cruz), epithelial sodium channel alpha subunit (α-ENaC, ab65710, Abcam), sodium-hydrogen exchanger 3 (NHE3, sc-28757, Santa Cruz), Cl/HCO3 exchanger (DRA/PAT1, sc-161150, Santa Cruz), β-ENaC (14134-1-AP, Proteintech, CA, USA), and β-ATPase Na+/K+ antibody (ab254025, Abcam). Total protein was used to measure the relative protein levels of zonula occludens-1 (ZO-1, 21773-1-AP, Proteintech), occludin (ab31721, Abcam), E-cadherin (Proteintech), claudin-1 (#13995, Cell Signaling Technology, Boston, USA), claudin-2 (ab53032, Abcam), AMPKα1 (10929-2-AP, Proteintech), AMPKα2 (18167-1-AP, Proteintech), PGC-1α (ab106814, Abcam), target of rapamycin complex 2 (TORC2, 12497-1-AP, Proteintech), silent information regulator T1 (SIRT1,13161-1-AP, Proteintech), and β-actin (60008-1-Ig, Proteintech). These proteins were detected by the Western blotting technique as previously reported (Tan et al., 2010 (link)).
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2

Characterization of Human Cell Lines

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Human NPC cell lines (S26 and 5–8 F) were kindly gifted by Professor Chaonan Qian at SYSUCC (Guangzhou, China). The human embryonic kidney HEK293T cells were obtained from Cell Bank of Type Culture Collection of Chinese Academy of Sciences, Chinese Academy of Sciences. All cells were maintained in DMEM (Dulbecco’s Modified Eagle Medium, Gibco, NY, USA) with 10% fetal bovine serum (FBS, Gibco, NY, USA) and 1% Penicillin-Streptomycin (100 nM Gibco, NY, USA), in the humidified incubator with 5% CO2 at 37 °C. All cell lines were routinely examined to be mycoplasma-free using the mycoplasma detection kit (Vazyme, Nanjing, China).
Primary antibodies were commercially available: PARP1, Cleaved-PARP1, CCND1, C-MYC, N-Cadherin, Vimentin, γ-H2AX, α-Tubulin (9542, 5625, 2922, 9402, 14215, 5741, 9718, 2144, Cell Signaling Technology, Danvers, USA), Ki-67 (AB_393778, BD Pharmingen™, New Jersey, USA), SRSF3, HA, PMCA, EZH2 (ab125124, ab9100, ab254025, ab191250, Abcam, Cambridge, USA), AMOTL1, YAP1 (16871-1-AP, 16871-1-AP13584-1-AP, Proteintech, Chicago, USA), GAPDH (RM2002, Ray Antibody Biotech, Beijing, China), β-actin (AC004, Abclonal, Wuhan, China), Flag-tag (F1804, Sigma-Aldrich, St. Louis, USA). Secondary antibodies were HRP-linked anti-mouse IgG and anti-rabbit IgG (7076, 7074, Cell Signaling Technology, Danvers, USA).
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