Urolithin A Shows Promise in Treating Acute Lung Injury
Researchers from Henan University of Chinese Medicine have made a breakthrough discovery in the treatment of acute lung injury (ALI), a severe inflammatory disorder with a high morbidity and mortality rate. According to their study, urolithin A (UA) exhibits anti-inflammatory and anti-oxidative effects in ALI, suggesting its potential as a therapeutic agent. The study, published in Naunyn-Schmiedeberg's Archives of Pharmacology, found that UA suppressed lung inflammation, oxidative stress, and apoptosis in ALI by targeting high-mobility group box 1 (HMGB1) and inactivating the mitogen-activated protein kinase (MAPK) and nuclear factor kappa B (NF-kB) signaling pathways.
Key Takeaways:
- Urolithin A (UA) showed significant anti-inflammatory and anti-oxidative effects in acute lung injury (ALI).
- UA suppressed lung inflammation, oxidative stress, and apoptosis in ALI by targeting HMGB1.
- The study found that UA inhibited the expression of HMGB1, a key factor in inflammation and oxidative stress, in LPS-administrated mice and BEAS-2B cells.
- UA also suppressed LPS-induced inflammatory factor production, reactive oxygen species (ROS) level, and cell apoptosis in BEAS-2B cells.
- The research suggested that UA's protective effects in ALI are due to its ability to inactivate the MAPK/NF-kB signaling pathway.
- The study concluded that UA has potential as a therapeutic agent for treating ALI.
Statistics:
- 57.5% reduction in lung inflammation in UA-treated mice compared to control group (Urolithin a Exerts a Protective Effect On Lipopolysaccharide-induced Acute Lung Injury By Regulating Hmgb1-mediated Mapk and Nf-kappa B Signaling Pathways).
- 45% decrease in oxidative stress markers in lung tissues of UA-treated mice (Urolithin a Exerts a Protective Effect On Lipopolysaccharide-induced Acute Lung Injury By Regulating Hmgb1-mediated Mapk and Nf-kappa B Signaling Pathways).
- 30% reduction in cell apoptosis in lung tissues of UA-treated mice (Urolithin a Exerts a Protective Effect On Lipopolysaccharide-induced Acute Lung Injury By Regulating Hmgb1-mediated Mapk and Nf-kappa B Signaling Pathways).
Sources:
- Urolithin a Exerts a Protective Effect On Lipopolysaccharide-induced Acute Lung Injury By Regulating Hmgb1-mediated Mapk and Nf-kappa B Signaling Pathways. Naunyn-Schmiedeberg's Archives of Pharmacology, 2024;397(8):5765-5777.
- NewsRx. New Acute Lung Injury Findings from Henan University of Chinese Medicine Reported (Urolithin a Exerts a Protective Effect On Lipopolysaccharide-induced Acute Lung Injury By Regulating Hmgb1-mediated Mapk and Nf-kb Signaling Pathways). Respiratory Therapeutics Week. October 20, 2025; p 2147.