Research Article

PKM2 Is a Potential Diagnostic and Therapeutic Target for Retinitis Pigmentosa

Figure 6

PKM2 inhibition relieves oxidative stress in 661W cells. (a–d) ROS fluorescence staining of 661W cells before blue light exposure (a), 661W cells treated with shikonin before light exposure (b), 661W cells exposed to blue light (c), and 661W cells treated with shikonin and exposed to blue light (d). (f) Quantitative analysis of ROS in 661W cells treated with different concentrations of shikonin and exposed to blue light. (e, g) Western blotting of NRF2, PKM1, and PKM2 protein expression levels in 661W cells treated with shikonin and exposed to blue light. Notes: data from three separate experiments () were averaged and analyzed by one-way ANOVA with post hoc LSD correction. ns: not significant. , , and versus the relevant control group (0 μM shikonin).
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