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15 protocols using pharmingen pi rnase staining buffer

1

Cell Cycle Analysis by Flow Cytometry

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The cells were fixed with 70% ethanol at −20 °C overnight, then washed with PBS and resuspended in BD Pharmingen™ PI/RNase Staining Buffer (BD Biosciences). The cells were incubated at 37 °C for 40 min, and the cell cycle was detected by FACS Calibur Flow Cytometer (BD Biosciences). The results were processed by FlowJo10 software.
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2

Annexin V and PI Assays for Apoptosis and Cell Cycle

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A PE Annexin V Apoptosis Detection Kit (BD Biosciences, Rockville, MD, USA) was applied to measure cell apoptosis. Cells were gently trypsinized and washed with cold PBS twice, resuspended in 500 μL Annexin V binding buffer; then 5 μL 7‐AAD and 2.5 μL Annexin V were added to each sample, which were incubated in the dark for 15 minutes at room temperature, and analyzed with a FACSCaliber flow cytometer (BD Biosciences). For cell cycle analysis, cells were washed with PBS twice and fixed with 70% ethanol at 4°C overnight. After centrifugation, cells were washed and resuspended in 500 μL BD Pharmingen PI/RNase staining buffer (BD Biosciences). Then cells were incubated for 15 minutes at room temperature and analyzed on the same flow cytometer.
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3

Cell Cycle Analysis by Flow Cytometry

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Cells were harvested and washed in PBS. Cells were fixed in cold 70% ethanol for at least 2 hours at −20 ℃. Cells were then washed twice in PBS and once in BD Pharmingen stain buffer (BD Biosciences, 554656). The supernatant was discarded after spinning down. Cell pellets were re-suspended in 0.5 ml of BD Pharmingen PI/RNase staining buffer (BD Biosciences, 550825) and incubated for 15 min at room temperature (RT), and cells were immediately analyzed using an LSRFORTESSA X-20 flow cytometer (BD Biosciences). The data was analyzed with the FlowJo software.
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4

MTT Assay and Cell Cycle Analysis

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Cells were seeded at 2,000 cells per well in 96-well culture plates, and MTT assays were performed with a CellTiter 96 Non-Radioactive Cell Proliferation Assay Kit (Promega, #G4100) following the manufacturer’s guidelines. The absorbance value was measured at 570 nm using an xMark Microplate Spectrophotometer (Bio-Rad) with a reference wavelength of 630 nm.
For the cell cycle assay, cells were collected, rinsed with PBS, and fixed for a minimum of 2 hr by adding 70% ice-cold ethanol at −20°C. Cells were then sequentially washed once in PBS and BD Pharmingen stain buffer (BD Biosciences, #554656). Cell pellets were resuspended in 0.5 ml of BD Pharmingen PI/RNase staining buffer (BD Biosciences, #550825) and incubated for 15 min at room temperature (RT), and cells were immediately analyzed using an LSRFORTESSA X-20 flow cytometer (BD Biosciences). The data were analyzed with FlowJo software.
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5

Flow Cytometry Cell Fixation and Staining

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Cells were fixed and stained for flow cytometry using BD Cytofix fixation buffer (554655, BD Biosciences, Franklin Lakes, New Jersey) and BD Pharmingen™ PI/RNase staining buffer (550825, BD Biosciences), following the manufacturer’s instructions. Side versus forward scatter plots obtained on a BD Biosciences LSRII flow cytometer are shown.
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6

Cell Cycle Analysis in LX2 Cells

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LX2 cells were seeded in 6-well plates at 3 × 105 cells per well. After transfection for 48 h, cells were trypsinized and fixed in 70% ethanol at -20°C for 24 h. Then, cells were stained using BD Pharmingen PI/ RNase staining buffer (BD Biosciences, United States). The cell cycle distribution was analyzed using an Accuri C6 flow cytometer (BD Biosciences, United States) and ModFit LT software.
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7

Cell Cycle Analysis by PI Staining

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Cells were fixed in 75% ethanol overnight and then stained with propidium iodide (PI) using BD Pharmingen™ PI/RNase Staining Buffer (BD, Biosciences) according to the manufacturer's protocol. The percentages of cells in G0/G1, S and G2/M phase were obtained and analysed using Wincycle‐32 bit.
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8

Cell Cycle Analysis by Flow Cytometry

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Harvested cells were washed and fixed in cold ethanol (70%) for 2 h at −20°C. Then, cells were washed twice using PBS and once in a BD Pharmingen staining buffer (BD Biosciences, 554,656). Resuspension of cell pellets was done in BD Pharmingen PI/RNase staining buffer (0.5 ml; BD Biosciences, 550,825) followed by 15 min of incubation at room temperature (RT). Detection of red fluorescence was done at an excitation wavelength of 488 nm, after which the abundance of cells at G0/G1, S, as well as G2/M phases were determined by the ModFit software.
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9

Cell Fixation and PI Staining

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Cells were washed with PBS twice and fixed with 70% ethanol at 4°C overnight. After centrifugation, cells were washed and resuspended in 500 μL BD Pharmingen PI/RNase staining buffer (BD Biosciences). Then cells were incubated for 15 minutes at room temperature and analyzed on the same flow cytometer.
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10

Cell Cycle Analysis by Flow Cytometry

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Cells in a culture dish were collected after 24 h, washed twice in ice-cold PBS, and fixed in 75% ice-cold ethanol in PBS. The cells were washed twice in PBS, then stained with BD Pharmingen™ PI/RNase Staining Buffer (BD Biosciences, San Diego, CA, USA) for 30 min at 4°C. The cell suspension was subjected to flow cytometry (BD Biosciences).
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