Therapeutic effects of flavonoids on pulmonary fibrosis: A preclinical meta-analysis
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View abstract on PubMed
Summary
This summary is machine-generated.Flavonoids show promise in treating pulmonary fibrosis by reducing lung inflammation and fibrosis. Further preclinical research is needed to confirm their antifibrotic potential.
Area Of Science
- Biochemistry
- Pharmacology
- Cell Biology
Background
- Flavonoid supplementation has shown efficacy in animal models of pulmonary fibrosis.
- Pulmonary fibrosis is a progressive lung disease with limited treatment options.
Purpose Of The Study
- To systematically review and meta-analyze the efficacy of flavonoids in bleomycin-induced pulmonary fibrosis animal models.
- To elucidate the underlying mechanisms of flavonoid action in mitigating pulmonary fibrosis.
Main Methods
- A systematic review of 45 studies from English and Chinese databases up to October 2023.
- Methodological quality assessed using the SYRCLE risk of bias tool.
- Statistical analysis performed using RevMan 5.3 and Stata 17.0, focusing on lung inflammation and fibrosis scores.
Main Results
- Flavonoids significantly alleviate pathological lung changes associated with fibrosis.
- Beneficial effects are linked to inhibition of inflammatory responses and restoration of oxidative/antioxidant balance.
- Flavonoids regulate fibroblast activity via TGF-β1/Smad3/AMPK, IκBα/NF-κB, PI3K/AKT, IL6/STAT3, and Nrf2-Keap1 pathways.
Conclusions
- Flavonoids represent potential therapeutic candidates for pulmonary fibrosis prevention and treatment.
- Extensive preclinical validation is required to confirm the antifibrotic properties of natural flavonoids.
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