Measuring intracellular ROS:

Protocol:

Overnight culture was passaged 1 : 100 into fresh medium.

Monitor the obsorbance to 0.2-0.4.

Exposed to K2TeO3 (0.5 g/ml) for 30 min.

Centrifuge at 3,000 g for 5 min at 4C , cells were washed with ice chilled saline phosphate buffer (137 mM NaCl 2.7 mM KCl, 10 mM Na2HPO4 , 2mM KH2PO4, pH 7.3) and resuspended with two volume of the same buffer, conducted at 4C .

Cells were incubated with 100 uM (50 g/ml) 2’,7’-dihydrodichlorofluorescein diacetate at 37C for 60 min in water bath.

Centrifuge at 3,000 g for 5 min at 4C. Wash once with ice chilled PBS. Centrifuge and put on ice before run flow.

Fluorescence intensity was determined by flow cytometry.

-- Main.XueZhang - 25 May 2017

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Topic revision: r1 - 25 May 2017 - 20:10:52 - Main.XueZhang
 
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