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Erdosteine prevents bleomycin-induced pulmonary fibrosis in rats. 2004

Sadik Sogut, and Huseyin Ozyurt, and Ferah Armutcu, and Levent Kart, and Mustafa Iraz, and Omer Akyol, and Suleyman Ozen, and Suleyman Kaplan, and Ismail Temel, and Zeki Yildirim
Department of Biochemistry, Medical Faculty, Mustafa Kemal University, Hatay, Turkey.

Oxidative stress plays an important role in the pathogenesis of idiopathic pulmonary fibrosis. Therefore, erdosteine, an antioxidant, is expected to have an inhibitor potential against the disease. Rats were given one dose of bleomycin in pulmonary fibrosis groups and saline in controls. The first dose of oral erdosteine (10 mg/kg/day) was given 2 days before the bleomycin injection to achieve the plateau level in blood and continued until killing. At day 14, fibrotic changes were evaluated, using Aschoft's criteria and lung hydroxyproline content. Bleomycin produced a fivefold increase in fibrosis score that was decreased by 87% by erdosteine (P>0.001) and almost twofold increases in hydroxyproline content which were completely prevented by erdosteine. Myeloperoxidase activities and MDA levels, which were significantly higher in the bleomycin group, were then significantly attenuated by erdosteine. These results revealed that oral erdosteine may prevent the development of acute pulmonary inflammation caused by bleomycin injection via the repression of neutrophil accumulation and lipid peroxidation, resulting in the inhibition of subsequent lung fibrosis.

UI MeSH Term Description Entries
D008168 Lung Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood. Lungs
D008297 Male Males
D008315 Malondialdehyde The dialdehyde of malonic acid. Malonaldehyde,Propanedial,Malonylaldehyde,Malonyldialdehyde,Sodium Malondialdehyde,Malondialdehyde, Sodium
D009195 Peroxidase A hemeprotein from leukocytes. Deficiency of this enzyme leads to a hereditary disorder coupled with disseminated moniliasis. It catalyzes the conversion of a donor and peroxide to an oxidized donor and water. EC 1.11.1.7. Myeloperoxidase,Hemi-Myeloperoxidase,Hemi Myeloperoxidase
D011658 Pulmonary Fibrosis A process in which normal lung tissues are progressively replaced by FIBROBLASTS and COLLAGEN causing an irreversible loss of the ability to transfer oxygen into the bloodstream via PULMONARY ALVEOLI. Patients show progressive DYSPNEA finally resulting in death. Alveolitis, Fibrosing,Idiopathic Diffuse Interstitial Pulmonary Fibrosis,Fibroses, Pulmonary,Fibrosis, Pulmonary,Pulmonary Fibroses,Alveolitides, Fibrosing,Fibrosing Alveolitides,Fibrosing Alveolitis
D001761 Bleomycin A complex of related glycopeptide antibiotics from Streptomyces verticillus consisting of bleomycin A2 and B2. It inhibits DNA metabolism and is used as an antineoplastic, especially for solid tumors. BLEO-cell,Blanoxan,Blenoxane,Bleolem,Bleomicina,Bleomycin A(2),Bleomycin A2,Bleomycin B(2),Bleomycin B2,Bleomycin Sulfate,Bleomycins,Bleomycinum Mack,Bléomycine Bellon,BLEO cell,BLEOcell,Bellon, Bléomycine,Mack, Bleomycinum,Sulfate, Bleomycin
D005979 Glutathione Peroxidase An enzyme catalyzing the oxidation of 2 moles of GLUTATHIONE in the presence of HYDROGEN PEROXIDE to yield oxidized glutathione and water. Cytosolic Glutathione Peroxidase,Glutathione Lipoperoxidase,Selenoglutathione Peroxidase,Glutathione Peroxidase, Cytosolic,Lipoperoxidase, Glutathione,Peroxidase, Glutathione,Peroxidase, Selenoglutathione
D006909 Hydroxyproline A hydroxylated form of the imino acid proline. A deficiency in ASCORBIC ACID can result in impaired hydroxyproline formation. Oxyproline,4-Hydroxyproline,cis-4-Hydroxyproline,4 Hydroxyproline,cis 4 Hydroxyproline
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000903 Antibiotics, Antineoplastic Chemical substances, produced by microorganisms, inhibiting or preventing the proliferation of neoplasms. Antineoplastic Antibiotics,Cytotoxic Antibiotics,Antibiotics, Cytotoxic

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