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Depressant Effects of Ambroxol and Erdosteine on Cytokine Synthesis, Granule Enzyme Release, and Free Radical Production in Rat Alveolar Macrophages Activated by Lipopolysaccharide by Yoon Young Jang; Jin Ho Song; Yong Kyoo Shin; Eun Sook Han; Chung Soo Lee is a Medicine article available to read on EtoBox.

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**Abstract:** The present study examined the effects of ambroxol and erdosteine, bronchial expectorants, on the cytokine synthesis, granule enzyme release, and free radical production in rat alveolar macrophages activated by lipopolysaccharide. Ambroxol and erdosteine significantly decreased the production of tumour necrosis factors‐α, interleukin‐1β, and interleukin‐6 in alveolar macrophages activated by lipopolysaccharide. These drugs significantly reduced the production of superoxide anion, hydrogen peroxide, and nitric oxide and the release of acid phosphatase and lysozyme in lipopolysaccharide‐activated macrophages. Ambroxol and erdosteine showed no scavenging effect on superoxide anion and hydrogen peroxide, whereas both drugs effectively decomposed nitric oxide. The results show that ambroxol and erdosteine may inhibit the responses, including cytokine synthesis and free radical production, in rat alveolar macrophages activated by lipopolysaccharide. Unlike the production of reactive oxygen species, the inhibitory effect of ambroxol and erdosteine on the production of nitric oxide in lipopolysaccharide‐activated alveolar macrophages may be accomplished by a scavenging action

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Author

Yoon Young Jang; Jin Ho Song; Yong Kyoo Shin; Eun Sook Han; Chung Soo Lee

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0901-9928)

Published

2003

Language

EN

Field

Medicine (Life Sciences)