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4 protocols using recombinant il 23

1

Isolation and Expansion of Murine Tregs

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Treg cells derived from Foxp3Cre-YFP mice were isolated using a CD4+CD25+ Regulatory T Cell Isolation kit (Miltenyi) and were cultured in the presence of 2,000 U ml–1 recombinant IL-2 (Peprotech) and anti-CD3/CD28 beads of the mouse Treg cell expansion kit (Miltenyi) with a ratio of two beads per cell. In addition, recombinant mouse IL-6 (50 ng ml–1; Peprotech), IFNγ (100 ng ml–1; Peprotech) and recombinant IL-23 (20 ng ml–1; BioLegend) were added, and the cells were cultured for 5 d. For short-term stimulation, Treg cells were, after the 5-d expansion, stimulated with recombinant IL-23 (50 ng ml–1; BioLegend) for 30 min. Cells were stained with LIVE/DEAD Zombie NIR for 15 min at 4 °C and fixed using 1:1 fixation concentrate and diluent of the Foxp3 transcription factor kit (Thermo Fisher). The cells were then stained intracellularly with antibodies in perm buffer for 30 min at room temperature in the dark.
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2

Novel G6PD Inhibitors in Cancer Therapy

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Unless noted otherwise, all reagents, small molecule inhibitors and chemotherapies were of the highest grade and purchased from Sigma-Aldrich. Lonidamine was purchased from Tocris biosciences. Everolimus was purchased from SelleckChem. Doxorubicin, PI103 were purchased from LC Labs. All chemotherapeutics and small molecule inhibitors were dissolved in DMSO to a stock concentration of 10 mM and kept frozen except for compounds used for animal studies, which were freshly prepared at the indicated concentrations. Recombinant IL-23, IFN-γ, GM-CSF, IL-6 and IL-8 were purchased from Biolegend. The G6PD inhibitor CB-83 was originally reported in Preuss et al. by the Chembridge ID#6138697, which was purchased from ChemBridge (50 (link)). The G6PD inhibitors, compounds 59, 60, and 61, were obtained from ChemDiv; purity (of >95%) and identity was confirmed by the medicinal chemistry core at Sanford Burnham Prebys by LC-MS and 1H NMR. Analog 59 was 2-(pyridin-3-yl)-3-(p-tolyl)quinazolin-4(3H)-one. Analog 60 was 3-(3-methoxyphenyl)-2-(pyridin-3-yl)quinazolin-4(3H)-one, Analog 61 was 3-(2-methoxyphenyl)-2-(pyridin-3-yl)quinazolin-4(3H)-one.
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3

Intradermal IL-23 and CCL2 Injection

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One µg of recombinant IL‐23 (BioLegend) or CCL2 (BioLegend) was injected daily into a defined, marked area of the back skin. PBS was injected as a control.
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4

IL-23 Stimulation of Mouse Skin Cells

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Mouse dorsal skin cells were stimulated with 40 ng/ml recombinant IL‐23 (Biolegend) for 20 h, with 10 μg/ml anti CD200R1 (OX131, Absolute Antibody) or isotype control (rat IgG1, eBioscience).
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