Oxidative Stress

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Figure 1. Oxidation of Guanosine
Figure 1. Jurkat cells were treated with a negative control (left) or staurosporine (middle), then stained using Intracellular GSH Assay (cat. 9137). Cells were read on a flow cytometer using an FL1 99% (2 log) attenuation filter. The median fluorescence intensity of negative control cells was 425,971 in FL1-A (left: Negative), and 289,169 in the induced cells (middle: Positive), a decrease of >30%. Overlay: green: Negative, red: Positive. Data courtesy of Ms. T. Hanson, ICT, 216:52, 051612.
Figure 1. (a) Fluorescent responses of NP3 (5 μM) toward various analytes (10 μM). Data shown represent fluorescent intensity at 470nm, 30 min after addition of the analytes. (b) ONOO− (final 10 μM) was quickly injected into a solution of NP3 (final 5μM), and the fluorescent intensity at 470 nm was plotted against time. (c) Fluorescence enhancement of NP3 (5μM) at 470 nm as a function of ONOO− (0−10 μM) after 15 min of reaction. All data acquired in PBS (10 mM, pH 7.4) with excitation at 375 nm.
Figure 1. Jurkat cells were stained with DAF-2DA dye (Kit 9155), washed, and then treated with DMSO control (left histogram) or 1 mM DEA NONOate, a nitric oxide donor (middle histogram). Cells were read on the FL1 channel of a flow cytometer. The median fluorescence intensity (MFI) of DEA NONOate treated cells was 3.5-fold higher than for the control cells. Data also overlaid in a single plot (right, black: Negative; right, red: Positive). Data courtesy of Dr. Kristi Strandberg, ICT, 227:76.

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