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7 protocols using anti p plcγ1

1

Comprehensive T-cell Signaling Antibody Panel

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Antibodies and reagents used for flow cytometry were: CD8-APC, Fixable viability stain 450, antiCD16/32 (eBiosciences); anti-rabbit-PE (Jackson Immunoresearch); anti-SLP76 (pY128), CD4-PE, CD25-FITC, CD8 FITC and anti-mouse IgG1-PE (BD Biosciences); CD4-PEVio770 (Miltenyi Biotec); CD3-BV421 (Biolegend); anti-pErk1/2 (pT202/pY204) (Cell signaling Technology). The following reagents were used for cell stimulation, immunoblotting or immunoprecipitation: anti-CD3-biontinylated, anti-CD28-biontinylated, anti-CD3ε, anti-CD28 (eBiosciences); streptavidin (Sigma); anti-pErk1/2 (pT202/pY204), anti-pPLCγ1 (pY783), anti-pp38 (pT180/pY182), anti-pJNK (pT183/Y185), anti-pAkt (pS473), anti-pSLP76 (pS376) (Cell Signaling Technology); anti-GADS (Santa Cruz Biotechnology Inc.); rabbit anti-SLP76 or goat-anti-SLP76 (Thermo Fisher Scientific); anti-β-tubulin (Chemicon); for anti-14-3-3 immunoblotting we used a mix of anti-pan 14-3-3 and anti-14-3-3ζ (Santa Cruz, Biotechnology Inc.).
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2

Immunoblot Analysis of Cell Signaling

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Sorted cells or stimulated cells were lysed in RIPA buffer (50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1 mM PMSF, 1% NP-40, 0.5% sodium deoxycholate, 0.1% SDS, 1 x Roche Complete Protease Inhibitor Cocktail, and 1 x Roche Phosphatase Inhibitor Cocktail). Protein concentrations were measured using a BCA kit (Pierce). Equal amounts of protein samples were separated by 9% SDS-PAGE and transferred onto nitrocellulose membranes (Bio-Rad). The following primary antibodies were used: anti-CIC (homemade) (Kim et al., 2015 (link)), anti-PLCγ1 (#5690, Cell Signaling), anti-p-PLCγ1 (#2821, Cell Signaling), anti-ZAP-70 (#2705, Cell Signaling), anti-p-ZAP-70 (#2701, Cell Signaling Technology), anti-JNK (#9252, Cell Signaling), anti-p-JNK (#9251, Cell Signaling), anti-ERK (#9102, Cell Signaling), anti-p-ERK (#4370, Cell Signaling), anti-p38 (#9212, Cell Signaling), anti-p-p38 (#9211, Cell Signaling), anti-β-actin (#sc-47778, Santa Cruz), and anti-α-tubulin (#sc-398103, Santa Cruz). Membranes were incubated with secondary antibodies conjugated to horseradish peroxidase (HRP) and developed using Clarity Western ECL Substrate (Bio-Rad) or SuperSignal West Dura (Thermo Scientific). Images were acquired using an ImageQuant LAS 500 instrument (GE Healthcare).
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3

Detecting Phosphorylated PLCγ1 in Transfected NIH 3T3 Cells

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The transfected NIH 3T3 cells were lysed in whole cell extract buffer (50 mM Tris-HCl, pH 7.5, 150 mM NaCl, 1% NP-40, 0.2 mM EDTA, 10 mM Na3VO4, 10% glycerol, protease inhibitors). Proteins were separated by gel electrophoresis using 4–12% NuPAGE Bis-Tris gels (Genscript) followed by transfer to nitrocellulose membrane. Membranes were incubated with 5% milk in TBST (0.5 M NaCl, Tris-HCl, pH 7.5, 0.1% (v/v) Tween-20) for 60 min and washed once with TBST. Proteins of interest were detected by incubating membranes over night at 4°C in blocking buffer with anti-p-PLCγ1 (Cell Signaling), anti-PLCγ1 (Cell Signaling), or anti-β-Actin (Sigma), washing with TBST three times for 10 min and incubating with horseradish peroxidase-conjugated anti-rabbit or anti-mouse antibody (Cell Signaling). Blotting signaling was detected with SuperSignal™ West Pico PLUS Chemiluminescent Substrate (Thermo Fisher).
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4

Withaferin A Attenuates Pulmonary Fibrosis

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Withaferin A was procured from Aptus laboratories (Hyderabad, India) and TGF-β1 was obtained from Bio-legend (United States); Bleomycin sulfate was procured from Cipla labs (India); Masson’s trichrome staining kit, Sirius red, Chloramine-T, Hydroxyproline, and Ehrlich reagent were procured from Sigma-Aldrich, Anti-ZO-1, anti-E-cadherin, anti-Smad 2/3, anti-p Smad 2/3, anti-vimentin, anti-NF-κB p65, anti-p VEGF, anti-p p38 MAPK, anti-p FAK, and anti-p PLCγ1 were procured from Cell Signaling Technology, while anti-Col 1A2, anti-Col 3A1, anti-smooth muscle actin, anti-CTGF, anti-fibronectin, and anti-TGF-β1 were obtained from Santa Cruz Biotechnology (United States). ELISA kits were purchased from eBioscience, United States. TGF-β bioplex kit was procured from Merck-Millipore. Rest of the chemicals and reagents were of analytical grade and obtained from commercially available sources.
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5

FGFR Kinase Phosphorylation of PLC-γ1

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In total, 2 μM of PLC-γ1 was incubated with 2 μM of a FGFR kinase domain in phosphorylation buffer (20 mM HEPES (pH 7.4), 100 mM NaCl, 20 mM ATP, 20 mM MgCl2). The FGFR kinase domain was provided from Dr Mohammadi’s lab at NYU and was purified by three-step purification through Ni-affinity column, ion-exchange column, and size exclusion column (10 (link)). In the time-course experiment to verify the maximum phosphorylation, the degree of phosphorylation of PLC-γ1 at Tyr783 was measured by Western blot using anti-pPLC-γ1 (#2821, Cell Signaling) and detected with anti-rabbit IgG-HRP (NXA934, Amersham GE)]. The chemiluminescent signal was detected by Chemidoc (Bio-Rad) and analyzed by Image Lab (Bio-Rad).
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6

Erdr1 Protein Purification and Characterization

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PerCP-Cy5.5-conjugated anti-CD4 (RM4-5), anti-CD3ε (145-2C11), and anti-hamster IgG1 (G94-56) were purchased from BD Biosciences (San Diego, CA, USA). APC-conjugated anti-CD69 (H1.2F3) was obtained from eBioscience (San Diego, CA, USA). Alexa488-conjugated anti-CD4 (GK1.5) was obtained from BioLend (San Diego, CA, USA). Anti-pPLCγ1 and anti-NFAT1 were obtained from Cell Signaling Technology (Danvers, MA, USA). Anti-PLCγ1 was purchased from Santa Cruz Biotechnology (Dallas, TX, USA).
Recombinant Erdr1 was prepared as described previously [38 (link)]. In brief, the bacterial vector with the Erdr1 CDS region was constructed from the Erdr1-pCMV-SPORT6 plasmid (Open Biosystems, Huntsville, AL, USA), and then Erdr1 was purified with over 95% purity from bacteria. Lots with low endotoxin levels (<0.1 EU/mL) determined by the Limulus Amebocyte lysate assay (Cape Cod, East Falmouth, MA, USA) were used for experiments.
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7

Comprehensive Anticancer Pathway Analysis

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FAP antibody was purchased from Cell Signaling (catalog 66562). DOXO (catalog D1515), PTX (catalog T7402), and CCR2 antagonist (catalog 227016) were purchased from Sigma-Aldrich. Navitoclax (ABT-263) (catalog S1001) was purchased from Selleckchem. Recombinant IL-6 protein (catalog 7270-IL), recombinant WNT5A protein were acquired from R&D System (catalog 645-WN). Tocilizumab was acquired from Novus Biologicals (catalog NBP2-75193). Puromycin was acquired from Thermo Fisher Scientific (catalog A11138). Cell Signaling Technology antibodies contributed: anti–PKC-α (catalog 59754S), anti–p-PKC-α/β II (catalog 9375S), anti–p-PLC-γ1 (catalog 8713S), anti–PLC-γ1 XP (catalog 5690S), anti–p-RAC1/cdc42 (Ser71) (catalog 2461), anti-RAC1/2/3 (catalog 2465), anti-WNT5A/B (catalog MA5-15502), and anti–cleaved caspase-3 (catalog 9661S). Mouse monoclonal β-actin–HRP (catalog 47778, Santa Cruz Biotechnology) was used as loading control. Anti-Ki67 was acquired by BD Horizon (catalog 565929).
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