Abstract
In our study, we propose to analyze the effects of resveratrol (RES) and quercetin (QRC) on proliferation markers, oxidative stress, apoptosis, and inflammation of aortic fibroblasts of Psammomys obesus after induced oxidative stress by hydrogen peroxide (H2O2). Fibroblasts were incubated in RES 375 μM and QRC 0.083 μM for 24 hours after exposure to H2O2 1.2 mM for 6 hours. We performed the proliferation rate, cells viability, morphological analyses, cytochrome c, Akt, ERK1/2, and p38 MAPK quantification. The redox status was achieved by proportioning of malondialdehyde, nitric monoxide, advanced oxidation protein products, carbonyl proteins, catalase, and superoxide dismutase activity. The inflammation was measured by TNFα, MCP1, and NF-kB assay. The extracellular matrix (ECM) remodeling was performed by SDS-PAGE. Stressed fibroblasts showed a decrease of cell proliferation and viability, hypertrophy and oncosis, chromatin hypercondensation and increase of cytochrome c release characteristic of apoptosis, activation of ERK1/2 and Akt pathway, and decreases in p38 MAPK pathways marking the cellular resistance. The redox state was disrupted by increased malondialdehyde, nitric monoxide, advanced oxidation protein products, carbo...Continue Reading
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