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5 protocols using anti phospho mypt1

1

Western Blot Analysis of Cellular Signaling

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Whole cell extracts were prepared and transferred to membranes with standard methods as described before [15] (link). Membranes were incubated overnight at 4°C with the following antibodies: anti-PDCD10 (#SAB1305161), anti-β-Actin (clone AC-74, #A2228) from Sigma-Aldrich; anti-phospho cofilin (sc-12912), anti-cofilin (sc-33779) and anti- Cyclin D1 (sc-8396) from Santa Cruz (Dallas, TX, USA); anti-phospho-Mypt1 (#5163), anti-Mypt1 (#2634), anti-phospho-MLC2 (#3671), anti-MLC2 (#8505) and anti-PARP (#9542) from Cell Signaling Technology (Danvers, MA, USA); anti-cleaved Caspase 3 (2305-PC-100) from Trevigen (Gaithersburg, MD, USA). GTP-bound Rho was assayed with Rho assay reagent according to manifacturer instructions (#17-294; Millipore, Burlington, MA, USA). Chemio-luminescence was detected with Alliance Mini WL2M system (Uvitec, Cambridge, UK).
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2

Western Blot Analysis of Key Signaling Proteins

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Western blots were carried out as previously described (35 (link)), using the following antibodies: anti-Rac1 clone 23A8 (catalog # 05-389, Upstate Biotechnology, Lake Placid, NY), anti-phospho-Erk1/2 (catalog # 9101S), anti-PKCδ (catalog # 2058S), anti-PKCε (catalog # 2683S), anti-phosphoSmad2/3 (catalog # 8828S), anti-phospho-MYPT1 (catalog # 5163S), anti-vimentin (catalog # 3390S), anti-Cdc42 (catalog # 2466S), anti-RhoA (catalog # 2117S, Cell Signaling Technology, Beverly, MA), anti-PKCε (catalog # sc-208, Santa Cruz Biotechnology, Dallas, TX), anti-vinculin (catalog # V9131, Sigma-Aldrich, St. Louis, MO), anti-β-actin (catalog # A5441, BD Biosciences, Franklin Lakes, NJ), and anti E-cadherin (catalog # MAB1838, RD Systems, Minneapolis, MN).
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Molecular Markers of Tight Junction Regulation

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Primary antibodies for Western blot include anti–NKA β1 subunit (Upstate, 05-382), anti-occludin (Invitrogen, 71-1500), anti–zo-1 (Invitrogen, 61-7300), anti–zo-2 (Invitrogen, 71-1400), anti-actin (MilliporeSigma, A2066), anti-GAPDH (MilliporeSigma, CB1-001), anti–NKA β2 subunit (Abcam, ab185210), anti-DDK (OriGene, TA50011-100), anti-MRCKα (Santa Cruz Biotechnology Inc., sc-374568), anti-MYPT1 (Cell Signaling Technology, 2634S), anti–phospho-MYPT1 (Thr696, Cell Signaling Technology, 5163S), anti-MLC2 (Cell Signaling Technology, 3672S), and anti–phospho-MLC2 (Ser19, Cell Signaling Technology, 3671S). The primary antibodies for immunofluorescence include anti–occludin Alexa Fluor594 (Invitrogen, 331594), anti–zo-1-Alexa Fluor594 (Invitrogen, 339194), and anti-MRCKα (Thermo Fisher Scientific, PA1-10038). The inhibitor for MRCKα BDP5290 was purchased from Aobious. Myosin inhibitor blebbistatin was purchased from Abcam.
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4

Immunoblot Analysis of Hepatocytes

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For immunoblot analysis 50μg of isolated hepatocytes lysate was resolved by a 4–20% gradient gel, transferred to a nitrocellulose membrane, and blotted with the appropriate primary antibodies. Membranes were incubated with peroxidase-conjugated secondary antibody (Cell signaling, Danvers, MA, USA). Protein bands were visualized using an enhanced chemiluminescence reagent and digitized using a CCD camera (ChemiDoc®, BioRad, Hercules, CA, USA). A rabbit anti-cleaved caspase 3, anti-caspase 3, anti-phospho-MYPT1, or anti-MYPT1 was purchased from Cell Signaling and anti-beta actin was purchased from GeneTex (Irvine, CA, USA). Protein load was verified using GAPDH (GeneTex), or PORIN (GeneTex) antibody.
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5

Western Blot Analysis of Key Signaling Proteins

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Western blots were carried out as previously described (35 (link)), using the following antibodies: anti-Rac1 clone 23A8 (catalog # 05-389, Upstate Biotechnology, Lake Placid, NY), anti-phospho-Erk1/2 (catalog # 9101S), anti-PKCδ (catalog # 2058S), anti-PKCε (catalog # 2683S), anti-phosphoSmad2/3 (catalog # 8828S), anti-phospho-MYPT1 (catalog # 5163S), anti-vimentin (catalog # 3390S), anti-Cdc42 (catalog # 2466S), anti-RhoA (catalog # 2117S, Cell Signaling Technology, Beverly, MA), anti-PKCε (catalog # sc-208, Santa Cruz Biotechnology, Dallas, TX), anti-vinculin (catalog # V9131, Sigma-Aldrich, St. Louis, MO), anti-β-actin (catalog # A5441, BD Biosciences, Franklin Lakes, NJ), and anti E-cadherin (catalog # MAB1838, RD Systems, Minneapolis, MN).
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