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Rabbit igg 12 370

Manufactured by Merck Group

Rabbit IgG (12-370) is a laboratory reagent that contains rabbit-derived immunoglobulin G (IgG). IgG is the most abundant antibody isotype found in the blood and plays a crucial role in the adaptive immune response. This product is typically used in various immunological assays and techniques that require the use of an IgG antibody.

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5 protocols using rabbit igg 12 370

1

Chromatin Immunoprecipitation of Th Cell Differentiation

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Naive CD4+CD25CD62LhiCD44lo T cells were isolated and activated under Th0 or Th2 differentiation conditions. Four days later cells were restimulated with anti-CD3 (2μg/ml) for 4 hours and fixed with 1% formaldehyde for 10 minutes at 37°C. Chromatin immunoprecipitation was performed using the Millipore ChIP kit. Briefly, chromatin was seared (500bp-100kb) and immunoprecipitated using the Abs to the following: AcH3 (06-599), H3k4me3 (07-473), H3k27me3 (074-449), Rabbit IgG (12-370) (Millipore, 2.5μg/sample), Stat6 (sc-981), IRF4 (sc-6059), JunB (sc-73) and Gata3 (sc-22206) (Santa Cruz Biotechnology, 5μg/sample). Following reversal of cross-links, the presence of selected DNA sequences was assessed by qRT-PCR using the following primer sequences: Grail promoter (primer1 - F-TTTTAAGAGGCGGATCCCGCA; R-GCTGGGACTAGGTGCGAACCAG); primer 2 - F-AAATCGAGGCGCAGAGAAGTAA; R-CTAAAATGAGGCCAGCCCACCT), IL-4 promoter (Histone and Stat6 ChIP respectively)35 (link)–36 (link), HS2 locus37 , CNS-3 (IL-10 locus)38 (link), CNS+6.45(IL-10 locus)39 (link).
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2

Immunoprecipitation and Western Blot Analysis of Jmjd6 in Embryos

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Embryos were homogenized in RIPA buffer [10 mM Tris-Cl (pH 8.0), 1 mM EDTA, 1% Triton X-100, 0.1% sodium deoxycholate, 0.1% SDS, 140 mM NaCl] in the presence of complete protease inhibitors (Roche) and 1mM phenylmethylsulphonylfluoride. Yolk was removed by centrifugation for 10 min at 4°C. The extract was incubated with anti-Jmjd6 antibody (LS-C30343, LSbio) for overnight at 4°C and subsequently incubated with protein A/G agarose beads (Sigma‐Aldrich) for 4 hr at 4°C. The beads were washed extensively and mixed with SDS sample buffer. For negative control, rabbit IgG (12–370, Millipore) was used. Western blotting was performed with anti-Jmjd6 (LS-C30343, LSbio, 1:1000), anti-α/β tubulin (2148, Cell Signaling, 1:1000), anti-U2AF65 (ab151582, Abcam, 1:1000), anti-β-catenin (610154, BD Transduction Laboratories, 1:1000), anti-phospho-β-catenin (Ser33/37/Thr41) (9561S, Cell Signaling Technology, 1:1000), and anti-GSK3β (SC-81462, SC-71186, Santa Cruz Biotechnology, 1:1000) antibodies.
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3

Chromatin Immunoprecipitation of Th Cell Differentiation

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Naive CD4+CD25CD62LhiCD44lo T cells were isolated and activated under Th0 or Th2 differentiation conditions. Four days later cells were restimulated with anti-CD3 (2μg/ml) for 4 hours and fixed with 1% formaldehyde for 10 minutes at 37°C. Chromatin immunoprecipitation was performed using the Millipore ChIP kit. Briefly, chromatin was seared (500bp-100kb) and immunoprecipitated using the Abs to the following: AcH3 (06-599), H3k4me3 (07-473), H3k27me3 (074-449), Rabbit IgG (12-370) (Millipore, 2.5μg/sample), Stat6 (sc-981), IRF4 (sc-6059), JunB (sc-73) and Gata3 (sc-22206) (Santa Cruz Biotechnology, 5μg/sample). Following reversal of cross-links, the presence of selected DNA sequences was assessed by qRT-PCR using the following primer sequences: Grail promoter (primer1 - F-TTTTAAGAGGCGGATCCCGCA; R-GCTGGGACTAGGTGCGAACCAG); primer 2 - F-AAATCGAGGCGCAGAGAAGTAA; R-CTAAAATGAGGCCAGCCCACCT), IL-4 promoter (Histone and Stat6 ChIP respectively)35 (link)–36 (link), HS2 locus37 , CNS-3 (IL-10 locus)38 (link), CNS+6.45(IL-10 locus)39 (link).
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4

ChIP-seq for Transcription Factors

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ChIP assays were performed as described previously (Ptasinska et al., 2012 (link)). Nuclei were essentially prepared as described previously (Lefevre et al., 2003 (link)). The following antibodies were used: C/EBPα, SC-61 (Santa Cruz Biotechnology); ETO (C terminus specific), SC-9737 (Santa Cruz); HDAC2, SC-6296 (Santa Cruz); HEB, SC-357 (Santa Cruz); LMO2, AF2726 (R&D Systems); LYL1, SC-374164 (Santa Cruz); PU.1, SC-352 (Santa Cruz); p300, SC-585 (Santa Cruz); RUNX1 (C terminus specific), ab23980 (Abcam) or IgG rabbit 12-370 (Millipore); IgG goat, SC-2346 (Santa Cruz); and IgG mouse, SC-2025 (Santa Cruz). Precipitated material was subjected to library preparation and run on an Illumina Hiseq 2000 sequencer.
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5

ChIP-seq protocol for transcription factors

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ChIP assays were performed as described previously (Ptasinska et al., 2012 (link)). Nuclei were essentially prepared as described previously (Lefevre et al., 2003 (link)). The following antibodies were used: C/EBPα, SC-61 (Santa Cruz Biotechnology); ETO (C terminus specific), SC-9737 (Santa Cruz); HDAC2, SC-6296 (Santa Cruz); HEB, SC-357 (Santa Cruz); LMO2, AF2726 (R&D Systems); LYL1, SC-374164 (Santa Cruz); PU.1, SC-352 (Santa Cruz); p300, SC-585 (Santa Cruz); RUNX1 (C terminus specific), ab23980 (Abcam) or IgG rabbit 12-370 (Millipore); IgG goat, SC-2346 (Santa Cruz); and IgG mouse, SC-2025 (Santa Cruz). Precipitated material was subjected to library preparation and run on an Illumina Hiseq 2000 sequencer.
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