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5 protocols using pe rat anti mouse cd31 antibody

1

In Vivo Glioma Imaging with Q-NPs

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Tumor-bearing mice were established through the intracranial injection of GL261 cells that were engineered to express GFP. After 21 days, the mice were treated with Cy5-labeled Q-NPs. At 12- and 24-h time points, a cohort of mice was intravenously administered 100 μL PE rat anti-mouse CD31 antibody (BD PharMingen #553373). One hour later, the mice were euthanized. The brains were isolated, sliced, subjected to DAPI staining, and imaged by confocal microscopy.
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2

Macrophage Activation and Inflammation Regulation

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LPS (Escherichia coli 0111:B4) was purchased from Sigma (St. Louis, MO). TUDCA was purchased from Prodotti Chimici E Alimentari S.p.A (Basaluzzo, Italy). Murine macrophage colony-stimulating factor (M-CSF), CCL3 and CCL5 were obtained from PeproTech (Rocky Hill, NJ). Anti-mouse monocyte/macrophage marker (MOMA-2) antibody and anti-phospho-JNK were purchased from Santa Cruz (Dallas, TX); anti-mouse CD 16/32 antibody, anti-mouse Ly-6G (Gr-1) antibody, biotin-anti-mouse IgG, biotin-anti-rat IgG and streptavidin-PE, streptavidin-FITC were from eBioscience (San Diego, CA). PE-rat anti-mouse CD31 antibody and biotin-goat anti-rabbit Ig antibody were from BD Pharmingen (San Jose, CA). PE-anti-mouse TGF-β antibody and streptavidin-HRP were from Biolegend (San Diego, CA). Anti-neutrophil antibody (7/4) was from Abcam (Cambridge, MA). Dab substrate kit for peroxidase was from Vector Laboratories (Burlingame, CA). Anti-SAPK/JNK antibody was obtained from Cell Signaling Technology.
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3

Isolation of Lung Endothelial Cells

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To obtain lung endothelial cells, the lung tissues were digested with Collagenase I (Roche, 11088793001) plus Dispase II (Roche, 04942078001) at a working concentration of 2 mg/mL for 30 min at 37 °C. Red blood cells were then disintegrated using red blood lysis buffer (155 mM NH4Cl,12 mM NaHCO3, 0.1 mM EDTA). The remaining viable cells were incubated with PerCP-Cy™5.5 Anti-Mouse CD45 antibody (BD, 550994) and PE Rat Anti-Mouse CD31 antibody (BD, 553373) at 4 °C under gentle rotation for 30 min. After centrifugation, the cells were washed once with PBS containing 1% donkey serum and 2 mM EDTA. Finally, flow cytometry sorting was performed to obtain CD45CD31+ lung endothelial cells with FACS Aria Ⅲ (BD Biosciences).
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4

In Vivo Glioma Imaging with Q-NPs

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Tumor-bearing mice were established through the intracranial injection of GL261 cells that were engineered to express GFP. After 21 days, the mice were treated with Cy5-labeled Q-NPs. At 12- and 24-h time points, a cohort of mice was intravenously administered 100 μL PE rat anti-mouse CD31 antibody (BD PharMingen #553373). One hour later, the mice were euthanized. The brains were isolated, sliced, subjected to DAPI staining, and imaged by confocal microscopy.
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5

Visualizing Glioma Vasculature in Mice

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Mice containing gliomas received four ABTT NP injections. Two days after NP injections, 100 μL of PE Rat Anti-Mouse CD31 antibody (BD Pharmingen # 553373) was injected intravenously to label the tumor vasculature. One hour after injecting the antibody, mice were perfused with 1x PBS followed by 4% paraformaldehyde (PFA). Brains were incubated overnight in 4 % PFA and 60 μm thick sections were obtained using a vibratome (Leica). Tumor-containing brain sections were mounted and used for high-resolution confocal imaging. Leica SP5 confocal microscope with 10× air, 40× and 63× objectives with APO oil immersion were used to obtain Z-stacks at 0.5 μm step sizes and zooms from 1 to 5. Images were processed using NIH ImageJ.
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