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4 protocols using anti sca 1 d7

1

Isolation and Characterization of Adipose SVF

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The stromal vascular fraction was separated from adipocytes by centrifugation after digestion. Excised white adipose tissue was digested in RPMI with 0.5% BSA and 1 mg ml−1 type II collagenase for 30 min at 37 °C with gentle agitation. Then the cell suspension was filtered through a 100 μm filter and centrifuged at 700 g for 5 min to separate floating adipocytes from SVC pellet, and RPMI with 0.5% BSA was used to wash cells. The following antibodies were used for staining: anti-CD45(30-Fll), anti-CD31(390), anti-CDllc(N418) and anti-Sca-1(D7), all from eBioscience. Stained SVC were sorted by flow cytometry on a MoFlo Astrios cell sorter (Beckman Coulter) with the help of the University of Michigan's Flow Cytometry Core.
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2

Stromal Vascular Fraction Isolation

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The stromal vascular fraction was separated from adipocytes by centrifugation after digestion. Excised white adipose tissue was digested in RPMI with 0.5% BSA and 1 mg ml−1 type II collagenase for 30 min at 37 °C with gentle agitation. Then the cell suspension was filtered through a 100 μm filter and centrifuged at 700 g for 5 min to separate floating adipocytes from SVC pellet, and RPMI with 0.5% BSA was used to wash cells. The following antibodies were used for staining: anti-CD45(30-F11), anti-CD31(390), anti-CD11c(N418) and anti-Sca-1(D7), all from eBioscience. Stained SVC were sorted by flow cytometry on a MoFlo Astrios cell sorter (Beckman Coulter) with the help of the University of Michigan’s Flow Cytometry Core.
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3

Flow Cytometry Staining of Biomarkers

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Samples were stained with combinations of the following antibodies for flow cytometry: Goat-anti-LepR-biotin (AF497, R&D Systems), anti-CD45 (30F-11, Tonbo Biosciences), anti-CD144 (clone BV13, eBiosciences), anti-TER119 (Tonbo Biosciences), anti-Sca1(D7, eBiosciences), anti-CD51-biotin (RMV-7, BioLegend), Streptavidin BV421 (BioLegend), and/or Streptavidin APCeFluor 780 (eBiosciences). All staining was performed for 1.5 h on ice. Dead cells were identified and gated out of sorts by including 4 0 ,6-diamidino-2-phenylindole (DAPI) (1 mg/mL) in the buffer in which cells were resuspended for flow cytometry or by staining cells with Ghost Dye Red 780 (1:100, Tonbo Biosciences) before resuspending cells for flow cytometric analysis. Samples were analyzed or sorted using FACSAria flow cytometers and FACSDiva 8.0 (BD) or FlowJo v10.6.1 (Tree Star) software.
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4

Immunofluorescence Imaging of Mouse Ear Pinnae

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Ear pinnae were split with forceps, fixed in 1% paraformaldehyde solution (Electron Microscopy Sciences) overnight at 4°C and blocked in 1% BSA, 0.25% Triton X blocking buffer for 2 hours at room temperature. Tissues were first stained with anti-CD8α (clone 53-6.7, eBioscience), anti-Sca-1 (D7, eBioscience) and/or rabbit anti-CD31 (390, eBioscience), and anti-Ki67 (solA15, eBioscience) antibodies overnight at 4°C, washed three time with PBS and then stained with 4′, 6-diamidino-2-phenylindole (DAPI, Sigma-Aldrich) for 5 min at room temperature and before being mounted with ProLong Gold (Molecular Probes) antifade reagent. Ear pinnae images were captured on a Leica TCS SP8 confocal microscope with a 40X oil objective (HC PL APO 40X/1.3 oil). Images were analyzed using Imaris Bitplane software.
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