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5 protocols using image studio lite 3

1

Crizotinib and PF-06463922 Inhibit ALK Signaling

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PC12 cells were grown and transfected with various ALK constructs as described (Chand et al., 2013 (link)). 48 h after transfection, cells were treated with different concentrations of crizotinib (from 0 to 5000 nM) or PF-06463922 (from 0 to 500 nM) for 2 h. Cells were then washed twice with PBS and harvested as described (Schonherr et al., 2012 (link), 2011 (link)). Samples were boiled in SDS sample buffer and analyzed by immunoblotting. Intensity of pALK (Y1604) and total ALK bands was quantified with Image Studio Lite 3.1 (LI-COR). Data were normalized to the 0 nM inhibitor samples. IC50 values were calculated by fitting data to a log (inhibitor) versus normalized response (variable slope) equation in GraphPad Prism 6.0.
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2

Western Blot Analysis of OX1R in Hippocampus

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Hippocampal tissue was micro-dissected and protein extraction was performed using a RIPA commercial protein extraction kit (Thermo Fisher Scientific, Rockford, IL) [33 (link)]. Protein quantification was determined using a Bradford assay (BioRad, Hercules, CA) and samples (10 μg per well) were separated on 10% Criterion TGX gel (BioRad) and then transferred to PVDF membrane, and blocked (Super Blocker; Thermo Fisher Scientific) using Snap ID system (Millipore, Billerica, MA). Antibodies: OX1R (ab68718, Abcam, Cambridge, MA) and GAPDH (NB100-56875; Novus) primary; HRP conjugated anti-rabbit IgG (NB710H, Novus, Littleton, CO) secondary. All primary antibodies were used at a 1:1000 dilution, while secondary antibodies were used at a final dilution of 1:60,000. Protein samples were visualized and band density was determined (LICOR Image Studio Lite 3.1, Lincoln, NE). Data were normalized to GAPDH [36 (link),37 (link)], and analyzed using unpaired t-test using GraphPad Prism.
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Western Blot Analysis of Cellular Proteins

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Cells were lysed in cold RIPA buffer (Thermo Fisher Scientific, Rockford, IL) supplemented with 1% protease and phosphatase inhibitor cocktail (Thermo Fisher Scientific). Protein concentrations were determined with the BCA protein assay (Thermo Fisher Scientific). Cell lysates were suspended in × Laemmli sample buffer (Bio-Rad, Hercules, CA) containing 5% 2-mercaptoethanol and boiled for 5 minutes. After heat denaturation, total protein lysates (30 ug/lane) were subjected to tricine-SDS-PAGE [25 ]. The proteins were then transferred electrophoretically to 0.2 um PVDF membranes. Membranes were blocked in blocking buffer (LI-COR Biosciences, Lincoln, NE) diluted 1:1 in × PBS for 1 hour at room temperature. The blots were incubated with mouse anti-DEFA5 (Santa Cruz Biotechnologies, Santa Cruz, CA; 1:200 dilution), goat anti-actin (Sigma; 1:1000 dilution), and mouse anti-GAPDH (Life Technologies; 1:1000 dilution) overnight at 4°C. After washing with PBST, blots were incubated with Alexa Fluor 680 (Life Technologies) and IRDye 800CW (LI-COR Biosciences) conjugated secondary antibodies (1:10,000 dilution) for 1 hour at room temperature. The band intensities were quantified using an Odyssey infrared imaging system (LI-COR Biosciences) and analyzed using Image Studio Lite 3.1 (LI-COR Biosciences).
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Protein Isolation and Western Blot Analysis

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Protein isolation and western blot analysis were performed using standard protocols. We used the following primary antibodies: mouse anti-Shank2 (UC Davis/NIH NeuroMab Facility, Davis, CA, USA), rabbit anti-actin (Cytoskeleton, Denver, CO, USA) and rabbit anti-GAPDH (Abcam, Cambridge, UK). IRDye 800CW and IRDye 680 (LI-COR Biosciences, Lincoln, NE, USA) served as secondary antibodies. All western blot band quantification procedures were performed using Image Studio Lite 3.1 software (LI-COR Biosciences).
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5

Western Blot Analysis of Cellular Proteins

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Cells were lysed in cold RIPA buffer (Thermo Fisher Scientific, Rockford, IL) supplemented with 1% protease and phosphatase inhibitor cocktail (Thermo Fisher Scientific). Protein concentrations were determined with the BCA protein assay (Thermo Fisher Scientific). Cell lysates were suspended in × Laemmli sample buffer (Bio-Rad, Hercules, CA) containing 5% 2-mercaptoethanol and boiled for 5 minutes. After heat denaturation, total protein lysates (30 ug/lane) were subjected to tricine-SDS-PAGE [25 ]. The proteins were then transferred electrophoretically to 0.2 um PVDF membranes. Membranes were blocked in blocking buffer (LI-COR Biosciences, Lincoln, NE) diluted 1:1 in × PBS for 1 hour at room temperature. The blots were incubated with mouse anti-DEFA5 (Santa Cruz Biotechnologies, Santa Cruz, CA; 1:200 dilution), goat anti-actin (Sigma; 1:1000 dilution), and mouse anti-GAPDH (Life Technologies; 1:1000 dilution) overnight at 4°C. After washing with PBST, blots were incubated with Alexa Fluor 680 (Life Technologies) and IRDye 800CW (LI-COR Biosciences) conjugated secondary antibodies (1:10,000 dilution) for 1 hour at room temperature. The band intensities were quantified using an Odyssey infrared imaging system (LI-COR Biosciences) and analyzed using Image Studio Lite 3.1 (LI-COR Biosciences).
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