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KMID : 0363420150290020026
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Journal of Korean Oriental Pediatrics
2015 Volume.29 No. 2 p.26 ~ p.36
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Effect of Geumsuyukgunjeon on Airway Mucus Secretion and Mucin Production
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Kim Eun-Jin
Min Sang-Yeon
Kim Jang-Hyun
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Abstract
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Objectives: In this study, effect of Geumsuyukgunjeon (GYJ) on the increase in airway epithelial mucosubstances of rats with acute bronchitis and EGF-induced MUC5AC mucin production from human airway epithelial cells were investigated.
Materials and Methods: Hypersecretion of airway mucus was induced by exposure of rats to SO2 during 3 weeks. Effect of orally-administered GYJ during 2 weeks on increase in airway epithelial mucosubstances from tracheal goblet cells of rats was assesed using histopathological analysis after staining the epithelial tissue with PAS-alcian blue. Possible cytotoxicity of GYJ was assessed by examining the potential damage of kidney and liver functions by measuring serum GOT/GPT activities and serum BUN and creatinine concentrations of rats and the body weight gain during experiment, after administering GYJ orally. Effect of GYJ on EGF-induced MUC5AC mucin production from human airway epithelial cells (A549) was investigated. Confluent A549 cells were pretreated for 30 min in the presence of GYJ and treated with EGF (25 ng/ml) for 24 hrs, to assess the effect of GYJ on EGF-induced MUC5AC mucin production using enzyme-linked immunosorbent assay (ELISA).
Results: (1) GYJ decreased the amount of intraepithelial mucosubstances of trachea of rats. (2) GYJ did not show kidney and liver toxicities and did not affect body weight gain of rats during experiment. (3) GYJ significantly inhibited EGF-induced MUC5AC mucin production from A549 cells.
Conclusions: The result from the present study suggests that GYJ might control both the mucus hypersecretion in vivo and do not show in vivo toxicity to liver and kidney functions after oral administration and the production of pulmonary mucin.
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KEYWORD
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Geumsuyukgunjeon (GYJ), Pulmonary mucus, MUC5AC
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