Resveratrol Alleviates Bleomycin-Induced Pulmonary Fibrosis Via Suppressing Hif-1 Alpha And Nf-Kappa B Expression
AGING-US(2021)
Abstract
The absence of a gold standard for treating pulmonary fibrosis makes its management challenging. We established a rat model to study the effect of resveratrol (Res) on bleomycin-induced pulmonary fibrosis. Rats were randomly divided into control, model, low-Res, middle-Res, high-Res, and dexamethasone groups and treated with various concentrations of these drugs. Rats showed typical features of pulmonary fibrosis; i.e, alveolitis, fibrous hyperplasia, and fibrosis on days 7, 14, and 28, respectively. Expression of HIF-1 alpha and NF-kappa B was higher in the middle-Res; high-Res, and dexamediasone groups than in the control group; but was less than that in the model and low Res groups. We conclude that different levels of and NF-kappa B expression at different stages of pulmonary fibrosis in rats is positively correlated with the disease severity. Furthermore, resveratrol alleviates bleomycin-induced pulmonary fibrosis by suppressing HIF-1 alpha and NF-kappa B expression, indicating its potential as a promising therapeutic drug candidate.
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Key words
pulmonary fibrosis, treatment, resveratrol
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