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26 January 2024: Lab/In Vitro Research

CTRP13 Mitigates Endothelial Cell Ferroptosis via the AMPK/KLF4 Pathway: Implications for Atherosclerosis Protection

Jie Du 123ABCDEF , Jianjun Wu 12ABC , Youqi Zhang 12CDF , Qi Liu 12CDF , Xing Luo 12ABD , Xingtao Huang 12ABC , Xuedong Wang 12ABC , Fan Yang 12AEF , JingBo Hou 12ABCDEFG*

DOI: 10.12659/MSM.942733

Med Sci Monit 2024; 30:e942733

Figure 4 C1q/tumor necrosis factor-related protein 13 (CTRP13) reversed the downregulation of multifarious antioxidant proteins. (A–C) RT-PCR of the heme oxygenase 1 (HO-1), superoxide dismutase 1 (SOD-1), and superoxide dismutase 2 (SOD-2) mRNA levels. (D) Protein expression levels of antioxidant enzymes were measured using Western blot analysis. (E) Quantitative analysis of antioxidant-associated protein expression. (F) Representative fluorescent JC-1 images for testing the mitochondrial membrane potential in HUVECs, aggregates shown in green, and monomers shown in red (scale bars=100 μm). (G) Quantitative analysis of the aggregates to monomers ratio. (H, I) Intracellular glutathione peroxidase 4 (GPX4) levels were illustrated by representative immunofluorescence images. The data were expressed as the mean±SD (n=3–4 per group). Statistical power=0.982987, effect size(r)=0.918048. * P<0.05 vs the control group. # P<0.05 vs the ox-LDL group. Fluorescent images were evaluated using Olympus fluorescence microscopy with cellSens Dimension software (Version 1.3 rev, Olympus, Tokyo, Japan), and the positive cells were measured by Image Pro Plus 6.0 (Media Cybernetics, Rockville, MD, USA). The relative protein levels were quantified by Image J software (NIH, Bethesda, MD, USA). GraphPad Prism 9.0 software (La Jolla, USA) was used to analyze the data.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750