Journal
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
Volume 190, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.pestbp.2023.105336
Keywords
Paraquat; Pulmonary fibrosis; Oxidative stress; Dimethyl fumarate; Mice
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This study evaluated the ameliorative effects of dimethyl fumarate (DMF) on lung damage induced by paraquat (PQ). The results demonstrated that DMF can mitigate PQ-induced lung damage through its antioxidant, anti-inflammatory, and antifibrotic activities.
Paraquat (PQ) is the most important cationic bipyridyl herbicide in the agricultural industry, which is very toxic to humans and animals and causes disruption in many organs, mainly in the lungs. Dimethyl fumarate (DMF) is an immune-modulating drug used in the treatment of multiple sclerosis and psoriasis shows antioxidant, anti-inflammatory, and antifibrotic effects. In this study, the ameliorative effects of DMF (10, 30 and 100 mg/kg, orally) on PQ (30 mg/kg) model of lung damage were evaluated in male mice. DMF was given daily for 7 days and PQ was administrated in the fourth day in a single dose. On the eighth day, the animals were sacrificed, and their lung tissue were removed. The results indicated that DMF can ameliorate PQ-induced the significant in-crease in lung index, hydroxyproline, as well as TBARS, TGF-beta, NF-kappa B and decrease in the amount of total thiol, catalase, glutathione peroxidase, superoxide dismutase, Nrf-2, and INF-gamma. The histopathological results confirmed indicated findings. The results showed that the protective effect of DMF on PQ-induced toxicity is mediated through antioxidant, anti-inflammatory and antifibrotic activities.
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