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2 protocols using h3k4me2 c75h12

1

Quantifying Histone Modifications by Western Blot

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Equal numbers of cells from each population were sorted into trichloroacetic acid (TCA, Sigma), and the TCA final concentration was adjusted to 10%. Samples were centrifuged at 16,000g for 15 minutes, and precipitates were washed twice with cold acetone and dried. Samples were solubilized in 9M urea, 2% Triton X-100, 1% DTT. LDS loading buffer (Life Technologies) was added. Samples were heated at 70°C for 10 minutes, separated on NuPAGE Bis-Tris polyacrylamide gels (Life Technologies), and transferred to 0.2μm PVDF membranes (BioRad) by wet transfer using NuPAGE transfer buffer (Life Technologies). Western blots were performed using antibodies against β-actin (AC-74, Sigma), histone H3 (polyclonal, Abcam, ab1791), H3K4me3 (C42D8, Cell Signaling), H3K27me3 (C36B11, Cell Signaling), H3K4me2 (C75H12, Cell Signaling) and H3K36me2 (C64G9, Cell Signaling). For small cell numbers (7,000-15,000), the SuperSignal Western Blot Enhancer kit (Thermo Scientific) was used according to the manufacturer instructions. Signals were detected using the SuperSignal West Pico or SuperSignal West Femto chemiluminescence kits (Thermo Scientific). Blots were stripped with 0.2N NaOH and/or 1% SDS, 25mM glycine, pH=2 before re-probing.
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2

Quantifying Histone Modifications by Western Blot

Check if the same lab product or an alternative is used in the 5 most similar protocols
Equal numbers of cells from each population were sorted into trichloroacetic acid (TCA, Sigma), and the TCA final concentration was adjusted to 10%. Samples were centrifuged at 16,000g for 15 minutes, and precipitates were washed twice with cold acetone and dried. Samples were solubilized in 9M urea, 2% Triton X-100, 1% DTT. LDS loading buffer (Life Technologies) was added. Samples were heated at 70°C for 10 minutes, separated on NuPAGE Bis-Tris polyacrylamide gels (Life Technologies), and transferred to 0.2μm PVDF membranes (BioRad) by wet transfer using NuPAGE transfer buffer (Life Technologies). Western blots were performed using antibodies against β-actin (AC-74, Sigma), histone H3 (polyclonal, Abcam, ab1791), H3K4me3 (C42D8, Cell Signaling), H3K27me3 (C36B11, Cell Signaling), H3K4me2 (C75H12, Cell Signaling) and H3K36me2 (C64G9, Cell Signaling). For small cell numbers (7,000-15,000), the SuperSignal Western Blot Enhancer kit (Thermo Scientific) was used according to the manufacturer instructions. Signals were detected using the SuperSignal West Pico or SuperSignal West Femto chemiluminescence kits (Thermo Scientific). Blots were stripped with 0.2N NaOH and/or 1% SDS, 25mM glycine, pH=2 before re-probing.
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