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Fitc conjugated sheep anti mouse igg

Manufactured by Merck Group

The FITC-conjugated sheep anti-mouse IgG is a laboratory reagent used for the detection and visualization of mouse immunoglobulin G (IgG) molecules. It consists of a fluorescein isothiocyanate (FITC) dye conjugated to sheep-derived antibodies that specifically bind to mouse IgG. This product is commonly used in various immunological techniques, such as immunofluorescence assays and flow cytometry, to facilitate the identification and localization of target proteins or cells expressing mouse IgG.

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4 protocols using fitc conjugated sheep anti mouse igg

1

Purification and Characterization of Integrin-Specific Monoclonal Antibodies

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The hybridoma of mAb MHM23 (β2 integrin heterodimer specific) [15] (link) was a gift from Prof. AJ McMichael (John Radcliffe Hospital, UK). The hybridoma of conformation reporter mAb KIM127 [16] (link) was kindly provided by Dr. MK Robinson (UCB, CellTech, UK). mAbs were purified from respective hybridoma supernatant using Hi-Trap protein G/A columns (GE Healthcare Life Sciences). mAb 7E3 (β3 functional blocker) was obtained from Prof. Barry Coller (Rockefeller University, NY, USA). mAb HIP8 (anti-αIIb mAb) was purchased from eBioscience. FITC-conjugated sheep anti-mouse IgG and fibrinogen from human plasma were both purchased from Sigma.
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2

Immunofluorescence Assay for CXCR4 Expression

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Cells were plated onto Millicell EZ SLIDE 8-well glass (Millipore, Darmstadt, Germany) for 12 h and then fixed with 4% paraformaldehyde followed by permeabilization with phosphate buffered saline (PBS) containing 0.1% Triton X-100 (PBST). After blocking with normal goat serum, the cells were incubated with anti-CXCR4 antibodies (R&D Systems) at 4 °C overnight. After three washes with 0.1% PBST, the cells were incubated with secondary FITC-conjugated sheep anti-mouse IgG (Sigma) and mounted with DAPI (Sigma) after wash with PBST. The cellular localization and expression of CXCR4 were examined under a confocal microscope (Olympus, Tokyo, Japan).
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3

Immunofluorescence Microscopy of Cytoskeleton

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PC-3 and HeLa cells were plated onto glass coverslips and allowed to
adhere overnight before compound addition. After treatment with the compounds
for 18 h, cells were fixed with methanol (4 °C) for 5 min and
subsequently incubated with a blocking solution of 10% bovine calf serum
in DPBS for 20 min at room temperature. Cells were then incubated with a
monoclonal β-tubulin antibody (1:400; Sigma T4026) for 2 h at 37
°C. After incubation, cells were washed three times with 1%
bovine serum albumin (BSA) in DPBS and then incubated with a FITC-conjugated
sheep anti-mouse IgG (1:200; Sigma F3008) for 1 h at 37°C. Coverslips
were then washed three times with BSA in PBS and stained with 0.1 µg/mL
DAPI (Sigma D9564) in DPBS for 10 min at room temperature. Coverslips were
mounted on slides and visualized with an Eclipse 80i fluorescence microscope
with a Plan Apo VC 60× H objective (Nikon). Images were captured with a
CoolSNAP HQ2 camera (Photometrics) using NIS Elements software (Nikon).
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4

Porcine Ileum Cryosection Immunofluorescence

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Cryosections (8 m) of porcine ileum obtained from 3-week-old piglets or from the gut loops were cut with a Leica CM3050 S cryostat, mounted on APES-coated glass slides, dried (30 min, 40°C) and fixed in acetone during 10 min at -20°C. Subsequently, the cryosections were incubated during 30 min in ammonium chloride buffer (50 mM, pH 8) and washed thoroughly. All washing steps were carried out at RT in PBS. Fc receptors were blocked for 30 min at 37°C with PBS containing 10% sheep or goat serum. Binding of the VHH-MG or IMM013 was detected by incubation for 1 h at 37°C with a FITC-conjugated sheep anti-mouse IgG (10 µg/ml; Sigma; F2883) or goat antimouse IgG2a. Nuclei were counterstained with Hoechst (10 µg/ml). To assess endocytosis sections were stained with a rabbit anti-pan-cytokeratin antibody (Abcam, ab9377) and detected with a TexasRed-conjugated anti-rabbit IgG. The sections were washed in ultrapure water and mounted in mounting solution (DABCO). Tissues were imaged with a Leica DC 100 fluorescence microscope mounted with a Scion Corporation camera or a Leica confocal microscope. Images were analyzed and processed using Fiji.
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