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3 protocols using cd19 pe cy7

1

Evaluating Phosphatidylserine Externalization

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Phosphatidylserine externalization was evaluated using the fluorescein isothiocyanate (FITC) Annexin V Apoptosis Detection kit (eBioscence; Thermo Fisher Scientific, Inc.). After treatment, cells were incubated with 25 µl/ml of Annexin V-FITC for 15 min at 37°C in a humidified atmosphere in the dark. Prior to flow cytometric analysis, propidium iodide (PI) was added to a final concentration of 5 µg/ml. Flow cytometric analysis was performed using a FACSCanto flow cytometer (Becton, Dickinson and Co.) equipped with 488 nm (blue) and 633 nm (red) lasers, and 10,000 events were recorded for each sample. Data acquisition and analysis were performed using FACSDiva software v.6.1.3. (Becton, Dickinson and Co.). In primary samples, Annexin V staining was combined with surface markers using the following antibodies: CD45-APC Vio770 (cat. no. 130-110-635), CD33-APC (cat. no. 130-111-020), CD14-PerCP Vio 700 (cat. no. 130-110-523), CD3-PE (cat. no. 130-113-139) (all from Miltenyi Biotec GmbH, dilution 1:50) and CD19-PE Cy7 (cat. no. 302216, 1:10, BioLegend, Inc.).
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2

Dornase alfa and MgSO4 Effects on PBMC

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Three healthy adult blood was obtained from Acibadem Labcell Cellular Therapy Laboratory.
Following the isolation of peripheral mononuclear cells (PBMC) by overlaying blood on Ficollpaque plus (GE Healthcare), the serially diluted (300 U/mL, 100 U/mL, 30 U/mL, 10 U/mL, 3 U/mL) Dornase alfa (Pulmozyme®, Roche, USA) and 420 g/mL MgSO 4 (Magnesium Sulphate 15% Onfarma, TR) were incubated with the PBMCs for 48hr in T cell medium (6% Human AB Serum and 1% Pen/Strep, Texmacs medium). Immune cell subtypes and their activation levels were determined by Miltenyi MACSQuant flow cytometry analysis using CD3-PE, CD19-PE.cy7, CD56-FITC, CD4-Viogreen, CD8-Vioblue, CD25-APC and CD107a-PE.cy5.5 (Miltenyi).
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3

Dornase alfa and MgSO4 Effects on PBMC

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Three healthy adult blood was obtained from Acibadem Labcell Cellular Therapy Laboratory.
Following the isolation of peripheral mononuclear cells (PBMC) by overlaying blood on Ficollpaque plus (GE Healthcare), the serially diluted (300 U/mL, 100 U/mL, 30 U/mL, 10 U/mL, 3 U/mL) Dornase alfa (Pulmozyme®, Roche, USA) and 420 g/mL MgSO 4 (Magnesium Sulphate 15% Onfarma, TR) were incubated with the PBMCs for 48hr in T cell medium (6% Human AB Serum and 1% Pen/Strep, Texmacs medium). Immune cell subtypes and their activation levels were determined by Miltenyi MACSQuant flow cytometry analysis using CD3-PE, CD19-PE.cy7, CD56-FITC, CD4-Viogreen, CD8-Vioblue, CD25-APC and CD107a-PE.cy5.5 (Miltenyi).
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