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S1200ex

Manufactured by Stratedigm

The S1200Ex is a flow cytometer instrument designed for cell analysis and sorting. It provides high-performance capabilities for a wide range of applications, including cell-based assays, immunophenotyping, and stem cell research.

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4 protocols using s1200ex

1

Isolation of NK Cells from Rat Colon Tumors

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At the termination of the experiment, rat colon tumors were dissociated for isolation of NK cells using tumor dissociation kits, a gentleMACS Dissociator and a MACSmixTM Tube Rotator according to manufacturer’s instructions (Miltenyi Biotech, CA). The NK cells and NK cells expressing perforin/IFN-γ were determined in dissociated tumor samples using antibodies to NK1.1, NKG2D, perforin, and IFN-γ. The single cell suspensions were stained as reported previously by us48 (link) and was run on a Stratedigm S1200Ex flow cytometer and data was acquired using the CellCapTure acquisition and analysis software.
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2

ILC Apoptosis Profiling with Annexin V and 7-AAD

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Apoptosis was monitored by Annexin V and 7-AAD staining following manufacturers’ protocols (BD Biosciences or BioLegend). Cells were treated or not with dexamethasone and IL-23 and after 6 hrs, cells were centrifuged and the supernatant was removed and stored. Cell pellets were washed with PBS. Cells were surface stained to identify ILCs. Cells were then stained with Annexin V and 7-AAD. Stained cells were immediately analyzed by flow cytometry on a Stratedigm S1200Ex flow cytometer (Stratedigm, San Jose, CA) and data were analyzed using FlowJo v.9.6 (Tree Star; Ashland, OR).
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3

Surface Protein Expression Analysis

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Detached cells were washed by ice-cold PBS twice and incubated with 15% goat serum on ice for 1 hour. The cells were neither fixed nor permeabilized. Then, the cells were stained with primary Abs against the extracellular domain of the target protein for 1 hour and secondary Abs for 1 hour sequentially on ice, followed by washes with ice-cold PBS and centrifugation at 4°C. When lysosome was investigated, detached cells were incubated with 1μM Lysotracker at 37°C for 30 minutes. Expression levels were detected by using the Stratedigm S1200Ex or Stratedigm S1400Exi flow cytometer platform (Stratedigm Inc.) and analyzed by FlowJo software (BD Science).
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4

Multicolor Flow Cytometry Panel

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Cells were incubated on ice with 2 μL of anti-CD16/32 TruStain fcX (BioLegend, San Diego, CA) plus 10 μL of Brilliant Stain Buffer Plus (BD Biosciences, Franklin Lakes, NJ) for 30 min. The cells were incubated with fluorochrome-labeled mAb for 30 min at RT in the dark then were washed twice with 3 mL flow cytometry buffer (PBS + 0.5% BSA + 0.1% NaN3). Cells were post-fixed with 200 μL IC Fixation buffer (Life Technologies Corp.) for 30 min at RT in the dark, then washed again with 3 mL flow cytometry buffer, and stored at 4 °C until analysis. Flow cytometry was performed on a Stratedigm S1200Ex (Stratedigm Inc., San Jose, CA) and data were analyzed with CellCapTure software (Stratedigm).
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