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6 protocols using anti cd73 apc

1

Quantification of CCL5 in HCC, Cirrhosis, and Healthy Serum

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Human CCL5 concentration in the serum of the HCC patients, liver cirrhosis patients and healthy people as well as in the CM of CAFs and PTFs were determined with CCL5 ELISA kit (P13501, RayBiotech) under the guidance of instruction. The following antibodies were used for cytometry: anti-CD105-FITC (800505, Biolegend, San Diego, CA, USA), anti-CD73-APC (344005, Biolegend), anti-CD90-FITC (328170, Biolegend), anti-CD44-FITC (338803, Biolegend), anti-CD34-FITC (343503, Biolegend), anti-CD45-FITC (982316, Biolegend), anti-HLA-DR-FITC (980402, Biolegend) and anti-CD31-APC (303115, Biolegend). The cells staining was performed under manufacturer’s protocol and identified by a flow cytometer (FACSCanto II, BD, USA). FlowJo software (Version X; TreeStar, Ashland, OR, USA) was used to data analysis.
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2

Immunophenotypic Characterization of BMSCs

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For immunophenotypic characterization of cells, 1.0 × 106 BMSCs per tube were washed with FACS buffer consisting of PBS supplemented with 1% bovine serum albumin (BSA, Sigma). Then, the cells were incubated for 30 minutes in the dark at room temperature with the following fluorochrome-conjugated primary antibodies: anti-CD90-Percp-Cy5.5, anti-CD73-APC, anti-CD105-FITC, anti-CD146-PE (all from BioLegend, San Diego, CA, USA), anti-CD14-FITC (Immunostep, Salamanca, SPA), anti-CD34-FITC, anti-CD45-Percp-Cy5.5 (both from Agilent DAKO, Santa Clara, CA, USA), and anti-CD11b-PE (Santa Cruz Biotechnology, Dallas, TX, USA). The isotype controls were IgG2A-FITC, IgG1A-APC, IgG1A-Percp-Cy5.5, IgG1-PE, IgG1-FITC, and IgG2A-PE (all from Santa Cruz Biotechnology). Next, the cells were washed with FACS buffer and resuspended in 300 μL buffer for acquisition with a BD FACSCanto™ cytometer (BD Biosciences). The data were analyzed with FlowJo software (Tree Star, Ashland, OR, USA).
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3

Multicolor Flow Cytometry Analysis of Liver and Spleen Lymphocytes

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Lymphocytes from the liver and spleen of mice were isolated as previously described23 (link) and analyzed by multicolor flow cytometry. Flow cytometry was performed on a CytoFLEX LX platform and results were analyzed using FlowJo software. The following antibodies were used in this study (clone, manufacture): anti-F4/80-Alexa Fluor 700 (BM8, BioLegend), anti-B220-Alexa Fluor 700 (RA3-6B2, BioLegend), anti-Cd11b-Alexa Fluor 700 (M1/70, BioLegend), anti-Cd3-Alexa Fluor 594 (17A2, BioLegend) anti-Cd4-BV605 (GK1.5, BioLegend), anti-Cd8-BV786 (53-6.7, BD), anti-Foxp3-BV421 (MF-14, BioLegend), anti-Cd62l-PerCP/Cy5.5 (MEL-14, BioLegend), anti-Cd44-BV510 (IM7, BioLegend), anti-NK1.1-BV510 (PK136, BioLegend), anti-A2Ar-FITC (7F6-G5-A2, NOVUS), anti-Cd73-APC (TY11.8, BioLegend), anti-Cd39-PECy7 (Duha59, BioLegend), anti-Cd19-PerCP Cy5.5(6D5, BioLegend), anti-PD1-APC/Cy7 (29F.1A12, BioLegend), anti-Cd107a- PE (1D4B, BD), anti-CD69-BV650 (H1.2F3, BioLegend), anti-Ifnγ-BV421 (XMG1.2, BioLegend), anti-Tnfα-PerCPCy5.5 (MP6-XT22, BioLegend), anti-GZMB-FITC (GB11, BioLegend), and anti-perforin-APC (S16009A, BioLegend).
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4

Flow Cytometric Analysis of MSC Markers

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Flow cytometric analysis was performed to confirm the MSCs surface markers. Two cell lines of hWJ-MSCs were performed. The adherent MSCs cells were treated with trypsin-EDTA and collected after being centrifuged at 350× g for 5 min. MSCs were incubated in antibodies in the dark for 20 min. All antibodies are listed in Table S1. Each antibody was diluted in 100 mL of PBS(-)—the following antibodies: anti-CD34-PE (dilution 1:10, Beckman Coulter, Brea, CA, USA), anti-CD45-FITC (dilution 1:20, Biolegend, San Diego, CA, USA), anti-CD73-APC, anti-CD90-APC/A750, and anti-CD105-PE (dilution 1:100, Biolegend). The samples were analyzed by an Attune™ NxT Flow Cytometer (Attune™ NXT, Thermo Fisher Scientific, Cleveland, OH, USA). The percentage of CD34-, CD45-, CD73+, CD90+, and CD105+ positive or negative cell populations were calculated using the FCS Express™ Software.
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5

Multiparameter Flow Cytometry Protocol

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The following fluorochrome-coupled versions of these antibodies were used in this study. The number in brackets indicates the manufacturer´s reference.
Purchased from BD Pharmigen: PE-anti-CD3ε (553064), PerCP-C5.5-anti-IL-17A (560666), FITC-anti-CD122 (553361), BV605-anti-Vγ2 TCR (742310), Biotin-anti-CD4 (553045), PE-anti-CD45.2 (560695), FITC-anti-Ly-6C (553104), PerCP-C5.5- anti-CD64 (561194), PE-Cy7-anti-Ly-6G (560601), APC-anti-CD11c (550261), Biotin-anti-CD11b (553309), FITC-anti-CD24 (553261), BV605-Streptavidin (563260) and PE-C7-Streptavidin (557598). From eBioscience/Invitrogen: PerCP-eFluor710-anti-TCRγ/δ (46-5711-82), APC-anti-CD27 (17-0271-82), PE-Cy7-anti-TCR Vγ2 (25-5828-82), APC-anti-RORγt (17-6988-82), and Biotin-anti-CD8a (13-0081-85). From Biolegend: BV421-anti-CD44 (103040), BV421-anti-TCRγδ (118119), PE/Cy7-anti-CD27 (124216), APC-anti-CD45RB (103320), APC-anti-CD73 (127210) and BV421-Streptavidin (405225). From Miltenyi Biotec: APC-anti-IFNγ (130-120-805).
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6

Characterization of Third-Generation hDPSC

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After isolation and culture, the third-generation stem cells were collected and analyzed by flow cytometry using BD FACSMelody (BD Biosciences, San Diego, USA). Flowjo_v10 software was used to analyze the data. Thereby, FITC anti-CD90 (cat 328107), PE anti-CD105 (cat 800503), APC anti-CD73 (cat 344005), PerCP/Cy5.5 anti-CD34 (cat 343521), and APC/FireTM750 anti-CD45 (cat 368517) antibody (BioLegend, USA) stains were assessed for third-generation hDPSC.
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