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- W1991915892 abstract "Multiple factors contribute to the pathogenesis and prognosis of chronic obstructive pulmonary disease (COPD), still requiring new therapeutic strategies and medications for the disease. The aim of the present study is to investigate the model of lipopolysaccharide (LPS)-induced chronic lung injury and hyperinflation and test therapeutic effects of peroxisome proliferator-activated receptor (PPAR)-γ agonist. Wister rats were challenged with intra-tracheal instillation of LPS at concentrations of 0.006, 0.060, 0.600, and 6.000 mg/ml per kg, twice a week, for 1, 2, 4 and 6 weeks. PPAR activator, 15-deoxy-Δ12,14-prostaglandin J2 (15D-PGJ2), or vehicle (PBS) was administered orally and daily at the dose of 1 and 10 mg/ml per kg in animals challenged with LPS or PBS at the dose of 0.060 mg/ml per kg body weight twice a week for 4 weeks. We found that intra-tracheal exposure of LPS resulted in a dose-dependent pattern of chronic lung hyperinflation and hypertrophy, increased alveolar enlargement, reduced vascular endothelial growth factor (VEGF) and elevated tissue inhibitor of metalloproteinases (TIMP)-1 levels in bronchoalveolar lavage (BAL) fluid, and early changes of leukocyte influx and interferon (IFN)-γ levels in bronchoalveolar lavage (BAL) fluid. PPAR-γ agonist ameliorated these changes related with the dose used. LPS-induced lung disease model shows some similarities with human disease, and PPAR-γ agonist may be an alternative for COPD therapy." @default.
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- W1991915892 date "2009-08-01" @default.
- W1991915892 modified "2023-10-16" @default.
- W1991915892 title "Potential effects of peroxisome proliferator-activated receptor activator on LPS-induced lung injury in rats" @default.
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- W1991915892 doi "https://doi.org/10.1016/j.pupt.2009.01.004" @default.
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