Unprecedented Approach for Using Misoprostol Alongside Low-Dose Gamma Radiation to Alleviate Paraquat-Induced Pulmonary Injury in Rats
Background Abrupt inflammation and alveolar epithelial membrane damage, which may cause the alveolar membrane’s malfunction, are related to acute lung injury (ALI). This could eventually lead to pulmonary fibrosis. While lung injury can happen in many ways, the current study will concentrate on the...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
SAGE Publishing
2025-03-01
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| Series: | Dose-Response |
| Online Access: | https://doi.org/10.1177/15593258251326707 |
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| Summary: | Background Abrupt inflammation and alveolar epithelial membrane damage, which may cause the alveolar membrane’s malfunction, are related to acute lung injury (ALI). This could eventually lead to pulmonary fibrosis. While lung injury can happen in many ways, the current study will concentrate on the changes in lung pathology mediated by paraquat (PQ). Paraquat, a widely used herbicide, targets lung toxicity through inflammation and oxidative stress, which significantly contribute to lung damage. Objective The current research was to ascertain whether low-dose gamma radiation (R) and misoprostol (MP) could lessen the lung inflammatory cascade started by PQ injection in rats. Methods The ALI model was induced by I.P. injection of PQ (20 mg/kg once), and then treatment was done by MP and/or R for 14 days, and finally, the biochemical and histological parameters were measured in the lung tissues. Results Our data suggest that PQ can promote ALI through TGF-β/smad, Notch, NF-κB, and ET-1 signaling pathways, resulting in EMT. These suggestions were supported by increased levels of TGF-β, inflammatory cytokines, α-SMA, NF-κB, ET-1, CTGF protein, and LPA, whereas PPAR-γ decreased. The aforementioned results have been confirmed by lung histopathology. Conclusion We suggest that the pulmonary inflammatory cascade was hindered and all the previously described gauges improved with R and/or MP therapy. |
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| ISSN: | 1559-3258 |