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4 protocols using anti phospho erk1 2 d13.14.4e

1

Western Blot Analysis of Signaling Proteins

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After the indicated treatments, the cells were washed three times with PBS. The cell lysates were prepared via the addition of SDS-PAGE sample reducing buffer, followed by heating at 95°C for 10 min. Immunoblotting was performed using anti-phospho ERK1/2 (D13.14.4E) (1:1,000 dilution), anti-ERK1/2 (137F5) (1:1,000 dilution) and anti-IκBα alpha (L35A5) (1:2,000 dilution) antibodies from Cell Signaling Technology. An anti-actin antibody (Millipore) (1:5,000 dilution) was used to confirm equal loading. The secondary antibodies included goat anti-rabbit IgG and goat anti-mouse IgG conjugated to IRdye800CW (Li-COR) (1:10,000 dilution). ImageJ software was used to quantify band intensities, and actin was used to normalize the total amount of protein loaded in each well.
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2

Cell Lysate Preparation and Immunoblotting

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The method used for cell lysate preparation and immunoblotting were described previously (Pathak et al., 2013 (link)). Briefly, cell lysates were prepared by the addition of SDS-PAGE sample reducing buffer to cells after washing twice with PBS, followed by heating at 95°C for 10 min. Immunoblotting was performed using anti-phospho ERK1/2 (D13.14.4E) (1:1,000 dilution), anti-phospho-p38 (D3F9), anti-phospho-JNK (81E11), and anti-ERK1/2 (137F5) (1:1,000 dilution) antibodies from Cell Signaling Technology. Anti-phospho-c-Fos (Thr325) antibody was from Bioss antibodies. An anti-actin antibody (Thermo Scientific) (1:5,000 dilution) was used to confirm equal loading. The secondary antibodies included goat anti-rabbit IgG and goat anti-mouse IgG conjugated to IRdye800CW (Li-COR) (1:10,000 dilution). Band intensities were quantified using the ImageJ software, and actin was used to normalize the total amount of protein loaded in each well.
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3

Antibody Immunoblot Analysis

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The antibodies in this study included anti-α-tubulin (DM1A; Sigma), anti-Erk1/2 (137F5; Cell Signaling Technology), anti-Phospho-Erk1/2 (D13.14.4E; Cell Signaling Technology), anti-Cofilin (ACFL02; Cytoskeleton), anti-Phospho-Cofilin (Ser3) (#3311; Cell Signaling Technology), and anti-YAP (sc101199; Santa Cruz) (detects both YAP and TAZ).
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4

Immunoblotting and Immunofluorescence Analysis

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For immunoblotting, we used: anti-phospho Erk1/2 (D13.14.4E), p38 (D3F9), and Jnk (81E11), and anti-total Erk1/2 (137F5), p38 (#9212), Jnk (#9252) Abs; anti-phospho Zap70 (Tyr319) and PLC-γ1 (Tyr783) Abs (Cell Signaling Technology), anti-phospho Lat (Tyr191) and anti-p-Tyr (4G-10) Abs (Millipore); Anti-CD3ε (M-20; sc-1127), anti-Lck (2102; sc-13) and anti-TRPV1 (P-19; sc-12498) Abs (Santa Cruz Biotechnology); anti-TRPV1 (#ACC-030, Alomone), anti-NFAT1 mAb (ab2722, Abcam), and anti-β-actin (AC-74, Sigma). For immunofluorescence studies, anti-TRPV1 (sc-12498) and anti-Lck (sc-13) (Santa Cruz Biotechnology), anti-CD4 (GK1.5, eBioscience), anti-CD45 and anti-Claudin-3 Abs (BD Biosciences). For T cell stimulation, anti-mouse CD3ε (145-2c11) and anti-mouse CD28 (PV-1) (BioXcell), and anti-human CD3ε (UCHT1) and anti-human CD28 (CD28.2) (eBioscience) mAbs were used; PMA (Phorbol 12-myristate 13-acetate), ionomycin, thapsigargin and phytohemagglutinin were from Sigma; The Src-family kinase inhibitor PP2 was from Cayman Chemical, the TRPV1 antagonists were from Tocris (BCTC, I-RTX) and Enzo Life Sciences (SB366791), the Annexin-V/7-AAD apoptosis detection kit was from BD Biosciences and CFSE, Indo-1 AM, and Fura-2 AM were from Invitrogen/Molecular Probes.
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