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4 protocols using cd29 alexafluor700

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Antibody-based Adipose Tissue Characterization

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Antibodies to IRβ, P-T308-Akt, P-S473-Akt and Pan-Akt (all used at 1/1000 dilution) were from Cell Signaling. UCP1 antibody (#10983) was from AbCam (used at 1/100 for IHC and at 1/1000 for western blot). Live/dead Blue (Molecular Probes, L23105), CD31-PE-CY7 (eBioscience, 25-0311)(used at 1/1000), CD45-PE-CY7 (eBioscience, 25-0451) (used at 1/1000), CD29-AlexaFluor700 (Biolegend, 102218)(used at 1/400), CD34-AlexaFluor647 (Biolegend, 119314)(used at 1/200), Sca1-Pacific Blue (BD Bioscience, 560653)(used at 1/1000), CD45-FITC (eBioscience, 11-0451) (used at 1/200) were used for flow cytometry. CL316,243 was from Tocris.
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2

Antibody-based Adipose Tissue Characterization

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Antibodies to IRβ, P-T308-Akt, P-S473-Akt and Pan-Akt (all used at 1/1000 dilution) were from Cell Signaling. UCP1 antibody (#10983) was from AbCam (used at 1/100 for IHC and at 1/1000 for western blot). Live/dead Blue (Molecular Probes, L23105), CD31-PE-CY7 (eBioscience, 25-0311)(used at 1/1000), CD45-PE-CY7 (eBioscience, 25-0451) (used at 1/1000), CD29-AlexaFluor700 (Biolegend, 102218)(used at 1/400), CD34-AlexaFluor647 (Biolegend, 119314)(used at 1/200), Sca1-Pacific Blue (BD Bioscience, 560653)(used at 1/1000), CD45-FITC (eBioscience, 11-0451) (used at 1/200) were used for flow cytometry. CL316,243 was from Tocris.
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3

Adipose Tissue Stromal Cell Isolation

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Isolation of adipose tissue stromal cells was performed essentially as described20 (link). Briefly, adipose tissue was excised, minced, and digested in Hank’s Balanced Salt Solution (HBSS) (Sigma no. H8264) containing 3% BSA and 0.8 mg/ml Collagenase Type 2 (Worthington Biochemical; LS004174) for 75 min in a shaking water bath at 37 °C. The mixture was then filtered through a 40 μm filter, and filtered cells were pelleted and washed in HBSS containing 3% BSA. For Ki67 analysis, cells were stained with the following antibodies at room temperature: CD45 PE-Cy7 (Biolegend; clone 30-F11), CD31 PE-Cy7 (Biolegends; clone 390), CD29 Alexa Fluor 700 (BioLegend; clone HMβ1-1), CD34 Alexa Fluor 647 (BioLegend; clone MEC14.7) and CD140a PE (Biolegend; clone APA5). Anti-Ki67 FITC antibody (eBioscience, clone SOLA15) was used overnight at 4 °C. Cells
were washed, fixed and permeabilized using the Fixation/Permeabilization kit (eBioscience) as per manufacturer’s protocol. All antibody incubations and washing steps were performed in HBSS with 3% BSA. Following antibody incubation, samples were analyzed on a BD LSR Fortessa analyzer. Data analysis was performed using BD FACS Diva software (BD Biosciences).
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Flow Cytometry Analysis of Stem Cell Markers

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Flow cytometry was performed as described previously (Jeffery et al. 2015 (link)) for BrdU analysis with the following antibodies: CD45 APC-eFluor 780 (eBioscience; 47–0451–80) at 1:1,000, CD31 PE-Cy7 (eBioscience, 25–0311–82), at 1:500, CD29 Alexa Fluor 700 (BioLegend, 102218) at 1:400 and Sca-1 V500 (BD Horizon, 561228) at 1:300. Cells were washed and then fixed and permeabilized using Phosflow lyse/fix and Perm Buffer III (BD Biosciences) according to the manufacturer’s recommendations. Cells were then treated with DNase (deoxyribonuclease I; Worthington; × 200 units/ml) in DPBS (Sigma; with calcium chloride and magnesium chloride) for 2-hrs at 37C and then washed in HBSS with 3% BSA. Cells were then stained with anti-BrdU antibody (Alexa Fluor 647; Phoenix Flow Systems; AX647) at 1:30 in HBSS with 3% BSA overnight in the dark at 4C. Cells were then washed in HBSS with 3% BSA and incubated with CD34 Brilliant Violet 421 (BioLegend 230 119321) at 1:400 and CD24 PerCP-Cyanine 5.5 (eBioscience, 45–0242–80) at 1:250. Following antibody incubation, samples were washed and analyzed on a BD LSRII analyzer. Data analysis was performed using BD FACS Diva software (BD Biosciences).
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