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Abstract Title:

attenuates bleomycin-induced oxidative stress and lung fibrosis in rats.

Abstract Source:

Nutr Cancer. 2019 Oct 12:1-11. Epub 2019 Oct 12. PMID: 31608667

Abstract Author(s):

Sana Bahri, Ridha Ben Ali, Afef Nahdi, Mona Mlika, Raed Abdennabi, Saloua Jameleddine

Article Affiliation:

Sana Bahri

Abstract:

Idiopathic pulmonary fibrosis (IPF) is a chronic lung disease characterized by progressive and irreversible fibroblasts proliferation leading to significant respiratory insufficiency. This study was designed to investigate the effect of sage infusion against bleomycin (BLM)-induced lung fibrosis in rats. Male Wistar rats were given a single dose of BLM (4 mg/kg, intratracheal), while sage infusion (50, 100 and 150 mg/kg, intraperitoneal) was administered 3 day later and continued for 4 weeks. We reveled by HPLC and LC-MS methods an important amount of phenolic bioactive compounds such as vanillic, gallic, ellagic, rosmarinic and carnosic acids. BLM induced collagen deposition, increased lipid peroxidation (MDA) and decreased superoxide dismutase (SOD) and catalase (CAT) activities. Only sage infusion at 150 mg/kg normalized MDA and antioxidant enzyme levels (SOD and CAT) and reduced significantly lung fibrosis. Our results showed alsothat this high dose have no renal or hepatic cytotoxic effect. In conclusion, sage can protect against BLM-induced murine lung fibrosis and oxidative stress due to the large content of bioactive phenolic compounds.

Study Type : Animal Study

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