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Purified mouse igg

Manufactured by Merck Group
Sourced in United States

Purified mouse IgG is a laboratory reagent consisting of immunoglobulin G (IgG) antibodies isolated from mouse serum. It is commonly used as a control or reference material in immunoassays and other applications that require purified mouse antibodies.

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4 protocols using purified mouse igg

1

Integrin-Mediated Cell Signaling Assay

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Chinese hamster ovary (CHO), and MBA-MB-231 human breast cancer cells were obtained from American Type Culture Collection (ATCC). CHO cells expressing human integrin β1 (β1-CHO) or human integrin β3 (β3-CHO) were described [17 (link)]. CHO cells expressing human integrin α6β4 (α6β4-CHO) were described [7 (link)]. Anti-phospho-IGF1Rβ (Tyr-1135 and Tyr1136), anti-IGF1Rβ, anti-phospho-AKT (Ser-473), anti-AKT, anti-phospho-ERK (Thr-202 and Tyr-204), anti-ERK, actin and anti-integrin β3 antibodies were purchased from Cell Signaling Technology, Inc. (Danvers, MA). The Goat anti-rabbit IgG (H+L)-HRP conjugate (secondary antibody) was purchased from BioRad. HRP-conjugated anti-His tag (C-terminal) antibody was purchased from Qiagen (Valencia, CA). Cyclic RGDfV [18 (link)] was purchased from Enzo Life Sciences (Plymouth Meeting, PA). Poly (2-hydroxyethyl methacrylate) (Poly-HEMA) was purchased from Santa Cruz Biotechnology. The antibody 7E3 (anti-human integrin β3) was obtained from ATCC. Purified mouse IgG was purchased from Sigma. Recombinant soluble integrin ανβ3 was described [19 (link)]. PEI is linear polyethylenimine (MW 25,000) from Polyscience, Inc.
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2

Cetuximab-IR700 Labeling Protocol

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Cetuximab-IR700 (cet-IR700) was obtained from the Imaging Probe Development Center (Rockville, MD, USA). IRDye 800CW NHS ester (IR800; C50H54N3Na3O17S4, molecular weight of 1166.2030) was purchased from LI-COR Biosciences (Lincoln, NE, USA). Purified mouse IgG was purchased from SIGMA (Saint Louis, MO, USA). All other chemicals were of reagent grade.
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3

Peripheral Blood Mononuclear Cell Immunophenotyping

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Peripheral blood mononuclear cells were resuspended in 0.5% Human Serum Albumin in PBS and 200 ng/ml purified mouse IgG (Sigma) prior to incubation with CD8-FITC (Beckman-Coulter) and either phycoerythrin E75, E90, or negative tetramer (iTAg MHC Class I Human Tetramer-SA-PE, (MBL International Corporation, Woburn MA). Stained cells were washed and fixed in 1% formalin (Polysciences) in PBS an hour before acquisition on FACSCaliber flow cytometer (BD Biosciences).
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4

Analyzing FAK/Src/Paxillin Complex Formation

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The formation of the FAK/Src/Paxillin complex in MDA-MB-231 cells was analyzed by immunoprecipitation and western blot. Cells were lysed with lysis buffer (1% Triton X-100 in 50 mM Tris-HCl [pH 7.4] containing 150 mM NaCl, 5 mM EDTA, 2 mM Na3VO4, 2.5 mM Na4PO7, 100 mMNaF, 200 nM microcystin lysine-arginine, and protease inhibitors). Cell lysates (300 μg) were mixed with 10 μg of moused anti-FAK monoclonal antibody. Purified mouse IgG (Sigma) was used as the negative control. The samples were incubated for 4 h, mixed with Protein A/G PLUS-agarose immunoprecipitation reagent. (Pierce, Rockford, IL) and then incubated for an additional 12 h. The beads were washed four times, and the bound proteins were released from the beads by boiling in SDS-PAGE sample buffer for 5 min. Samples were analyzed by western blot (described aboved) with rabbit anti-Src polyclonal antibody and rabbit anti-Paxillin polyclonal antibodies.
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