Journal
JOURNAL OF TRADITIONAL CHINESE MEDICINE
Volume 33, Issue 4, Pages 505-512Publisher
JOURNAL TRADITIONAL CHINESE MED
DOI: 10.1016/S0254-6272(13)60156-9
Keywords
Pulmonary disease, chronic obstructive; Lipopolysaccharides; Dose-response relationship, drug; Airway inflammation; Tanreqing injection
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Funding
- Program for Innovative Research at the West China School of Medicine, Sichuan University
- Sichuan Technology Department [2012SZ0288]
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OBJECTIVE: To as sess the effect of Tanreqing injection on airway inflammation in rats. METHODS: A rat model of airway inflammation was generated with lipopolysaccharide (LPS). Tanreqing injection was given by intratracheal instillation, and bronchoalveolar lavage fluid (BALF) from the right lung was collected. BALE total cell and neutrophil counts were then determined. In addition, BALE levels of inflammatory cytokines interleukin-1 beta, cytokine-induced neutrophil chennoattractant-1, and tumor necrosis factor-alpha were measured using enzyme linked immunosorbent assay. The middle lobe of the right lung was stained with hematoxylin-eosin and histological changes examined. RESULTS: LPS increased airway inflammation, decreased BALF inflammatory cell count, inflammatory cytokine levels, and suppressed leukocyte influx of the lung. The LPS-induced airway inflammation peaked at 24 h, decreased beginning at 48 h, and had decreased markedly by 96 h. CONCLUSION: Tanreqing injection contains anti-inflammatory properties, and inhibits airway inflammation in a dose-dependent manner. (C) 2013 JTCM. All rights reserved.
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