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Ab83250

Manufactured by Abcam

Ab83250 is a high-quality primary antibody used in various research applications. It is a purified rabbit monoclonal antibody that specifically recognizes the target antigen. The product is supplied in a buffered solution and is suitable for techniques such as Western blotting, immunohistochemistry, and ELISA. Further details about the intended use or performance characteristics of this product are not available.

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2 protocols using ab83250

1

Evaluating Chemokine Receptor Signaling Pathways

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Recombinant human CCL17 and CCL22 were purchased from R&D Systems (Minneapolis, MN). Recombinant human CCL2 was obtained from BioLegend (San Diego, CA). Antibodies used in western blotting, IHC, immunocytochemistry, and flow cytometry were as follows: rabbit anti-human CCR2 antibody (ab21667), rabbit anti-human CCR4 antibody (ab83250), goat anti-human CCR4 antibody (ab1669), rabbit anti-goat immunoglobulin (Ig)G H&L (fluorescein isothiocyanate; FITC) antibody (6737), goat anti-rabbit IgG H&L (FITC) antibody (6717), anti-mannose receptor antibody (ab64693), and anti-CCR7 antibody (ab103404) obtained from Abcam (Cambridge, MA); anti-Akt antibody (9272), anti-phospho-Akt (Thr308) antibody (9275), anti-phospho-Akt (Ser473) antibody (9271), and anti-rabbit IgG HRP-linked antibody (7074) obtained from Cell Signaling Technology (Danvers, MA); and anti-GAPDH antibody (NB300-221) obtained from Novus Biologicals (Littleton, CO). The antagonists used in the neutralizing assay were a selective CCR2 antagonist (ab120812) obtained from Abcam and a CCR4 antagonist (SC-221406) obtained from Santa Cruz Biotechnology (Dallas, TX). The Akt inhibitor AZD5363 (S8019) was obtained from Selleckchem (Houston, TX).
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2

Histochemical Analysis of Calcification

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Hematoxylin and Eosin (H&E) staining was performed according to routine Harris H&E protocol. For alizarin red staining, slides were stained with alizarin red solution (Alfa Aesar, Haverhill, MA, USA) for 45 s. The extent of calcification was evaluated by the ratio (%) of the calcium staining area to the total area, which could be calculated with the Image J version 1.5.0 software (National Institutes of Health). There were totally four region of interest every group and blinding was not performed. For Immunofluorescence (IF) staining, sections were blocked in 10% bovine serum albumin for 30 min and then incubated overnight at 4°C with mixed primary antibodies against ALP (ab83250, Abcam), OSX (ab22552, Abcam) and BMP-7 (ab56023, Abcam). Sections were incubated with fluorescein isothiocyanate-conjugated secondary antibody (ab150077, Abcam) for 1 h, then mounted with 4′, 6-diamidino-2-phenylindole (DAPI) on second day. The images were taken by an Olympus CKX41 microscope with a Leica DFC 3200 camera.
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