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3 protocols using baf645

1

Western Blot Analysis of Ear Tissue

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Example 4

Western Analysis.

Ear tissue samples (3 ear hole donuts/ear from 3 separate mice) were homogenized in radio-immunoprecipitation assay buffer (50 mM Tris-HCl pH 7.6, containing 150 mM NaCl, 1% Triton X-100, 1% sodium deoxycholate, 1 mM EDTA and 0.1% SDS) with 1 mM PMSF and a protease inhibitor cocktail (Sigma). Samples with equal amounts of protein (about 40 μg) were loaded into a NuPAGE 4-12% Bis-Tris gradient gel or 8% Bis-Tris gel (Life Technologies, Grand Island, N.Y.), electrophoresed and then electro-transferred onto a PVDF-FL membrane (Immobilon, Billerica, Mass.). The membrane was subsequently blocked with Odyssey blocking buffer (LI-COR, Lincoln, Nebr.), probed with primary antibodies (HIF1a (Ser. No. 10/006,421, Cayman Chemical, Ann Arbor, Mich.), HIF2a (NB100-132B, Novus, Littleton, Colo.), Wnt5a (BAF645, R&D System) or a-Tubulin (Sigma) overnight at 4° C., then further incubated with Alexa Fluor-labeled secondary antibodies (IRDye 800CW goat-anti rat or IRDye 800CW goat-anti rabbit (LI-COR, Lincoln, Nebr.) for 1 hr and scanned using the Odyssey system (LI-COR, Lincoln, Nebr.).

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2

Western Blotting Analysis of Ear Tissue

Check if the same lab product or an alternative is used in the 5 most similar protocols

Example 4

Western Analysis.

Ear tissue samples (3 ear hole donuts/ear from 3 separate mice) were homogenized in radio-immunoprecipitation assay buffer (50 mM Tris-HCl pH 7.6, containing 150 mM NaCl, 1% Triton X-100, 1% sodium deoxycholate, 1 mM EDTA and 0.1% SDS) with 1 mM PMSF and a protease inhibitor cocktail (Sigma). Samples with equal amounts of protein (about 40 μg) were loaded into a NuPAGE 4-12% Bis-Tris gradient gel or 8% Bis-Tris gel (Life Technologies, Grand Island, N.Y.), electrophoresed and then electro-transferred onto a PVDF-FL membrane (Immobilon, Billerica, Mass.). The membrane was subsequently blocked with Odyssey blocking buffer (LI-COR, Lincoln, Nebr.), probed with primary antibodies (HIF1a (10006421, Cayman Chemical, Ann Arbor, Mich.), HIF2a (NB100-132B, Novus, Littleton, Colo.), Wnt5a (BAF645, R&D System) or a-Tubulin (Sigma) overnight at 4° C., then further incubated with Alexa Fluor-labeled secondary antibodies (IRDye 800CW goat-anti rat or IRDye 800CW goat-anti rabbit (LI-COR, Lincoln, Nebr.) for 1 hr and scanned using the Odyssey system (LI-COR, Lincoln, Nebr.).

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3

Immunofluorescence Staining of Cell Markers

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Samples were fixed in 4% paraformaldehyde for 20 minutes followed by 1 hour treatment with blocking buffer (0.2% each of triton-x, BSA, gelatin and casein and 0.02% sodium azide). Cells were incubated in primary antibody and incubated overnight at 4°C. Following day, cells were washed in PBS and incubated with appropriate secondary antibodies (Alexa fluor series, Invitrogen, 1:2000) at room temperature for 1 hour. Cells were washed in PBS, incubated with DAPI (Invitrogen, 1:10,000) and mounted in Prolong Gold anti-fade reagent (Invitrogen). Images were captured on a Leica TCS SPII scanning laser confocal system. Primary antibodies used were as follows: Ki67 (1:400, #9027, Cell Signaling), sFRP2 (1:100, MAB6838, R&D Systems), biotinylated Wnt5A (500 ng/mL, BAF645, R&D Systems).
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