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2015 ; 8
(9
): 15450-7
Nephropedia Template TP
Int J Clin Exp Med
2015[]; 8
(9
): 15450-7
PMID26629034
show ga
Magnolol, a compound extracted from the Chinese medicinal herb Magnolia
officinalis, has been proved to exert multiple pharmacological effects, including
anti-oxidant and anti-inflammation activities. In this study, how it influenced
bleomycin-induced lung fibrosis of rats was investigated. A single intratracheal
instillation of bleomycin (5 mg/Kg, sacrificed 7 and 28 days post bleomycin
instillation) caused body weight decrease and lung indices increase.
Hodroxyproline content, myeloperoxidase (MPO) activity, tumor necrosis factor-?
(TNF-?) and transforming growth factor-? (TGF-?) levels increased in the rat lung
tissues after bleomycin administration, while superoxide dismutase (SOD) activity
decreased in the rat lung tissues. Collagen were excessively deposited in rat
lung tissues after bleomycin treatment. However, oral administration of magnolol
(10 mg/Kg, 20 mg/Kg, 30 mg/Kg) apparently and significantly inhibited the
fibrotic process. It partly reversed the bleomycin-induced increase of
hydroxyproline content, MPO activity, TNF-? and TGF-? levels in the lung tissues,
significantly inhibited the bleomycin-induced decrease of SOD activity, Excessive
collagen deposition was also inhibited by magnolol administration. In summary,
our results suggested that magnolol might be a potent anti-inflammatory and
anti-fibrotic agent against bleomycin-induced lung fibrosis.