Inhibition of Adenosine Triphosphate-stimulated Mucin Secretion from Airway Epithelial Cells by Schizandrin

  • Heo, Ho-Jin (Department of Pharmacology, College of Medicine, Chungnam National University) ;
  • Lee, Hyun-Jae (Department of Pharmacology, College of Medicine, Chungnam National University) ;
  • Kim, Cheol-Su (Department of Pharmacology, College of Medicine, Chungnam National University) ;
  • Bae, Ki-Hwan (Department of Pharmacy, College of Pharmacy, Chungnam National University) ;
  • Kim, Young-Sik (Department of Pharmaceutical Sciences, College of Pharmacy, Seoul National University) ;
  • Kang, Sam-Sik (Department of Pharmaceutical Sciences, College of Pharmacy, Seoul National University) ;
  • Park, Yang-Chun (Department of Orient Medicine, College of Oriental Medicine, Daejeon University) ;
  • Kim, Yun-Hee (Department of Orient Medicine, College of Oriental Medicine, Daejeon University) ;
  • Seo, Un-Kyo (Department of Oriental Medicine, College of Oriental Medicine, Dongguk University) ;
  • Seok, Jeong-Ho (Department of Pharmacology, College of Medicine, Chungnam National University) ;
  • Lee, Choong-Jae (Department of Pharmacology, College of Medicine, Chungnam National University)
  • Published : 2006.10.01

Abstract

Schizandrae Fructus has been used for controlling respiratory allergic or inflammatory diseases in folk medicine and their components, schizandrin, schizandrin-A and gomisin-A were reported to have diverse biological effects. In this study, we investigated whether schizandrin, schizandrin-A and gomisin-A affect adenosine triphosphate (ATP)-induced mucin secretion from cultured airway epithelial cells. Confluent primary hamster tracheal surface epithelial (HTSE) cells were metabolically radio labeled using $^{3}H-glucosamine$ for 24 h and chased for 30 min in the presence of varying concentrations of each agent to assess the effects on $^{3}H-mucin$ secretion. The results were as follows: 1) schizandrin significantly inhibited ATP-induced mucin secretion; 2) However, schizandrin-A and gomisin-A did not affect ATP-induced mucin secretion, significantly. We conclude that schizandrin can inhibit ATP-induced mucin secretion by directly acting on airway mucin-secreting cells. Therefore, schizandrin should further be investigated for the possible use as mucoregulators in the treatment of inflammatory airway diseases.

Keywords

References

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