Mi Ja Chung, Jae Kweon Park, Ji Sun Lee, Seul Lee, Yong Il Park
언어
영어(ENG)
URL
https://www.earticle.net/Article/A192801
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원문정보
초록
영어
Anti-inflammatory effects of low-molecular weight chitosan oligosaccharides (LM-COS) prepared from high-molecular weight chitosan by enzymatic digestion were investigated against allergic reaction and allergic asthma in vivo and in vitro. Allergic asthma is an inflammatory disease of the airways associated with enhanced degranulation and cytokine generation. The LM-COS (<1 kDa), consisting of glucosamine (GlcN)n, n = 3-5, were capable of inhibiting both antigen-stimulated degranulation and cytokine generation in rat basophilic leukemia RBL-2H3 cells. The protective effect of LM-COS against ovalbumin (OVA)-induced lung inflammation in asthma model mice was also examined. Oral administration of LM-COS (16 mg/kg body weight/day) resulted in a significant reduction in both mRNA and protein levels of interleukin (IL)-4, IL-5, IL-13, tumor necrosis factor (TNF)-αin the lung tissue and bronchoalveolar lavage fluid (BALF). The protein levels of IL-4, IL-13 and TNF-αin BALF were decreased by 5.8-fold, 3.0-fold and 9.9-fold, respectively, compared to those in the OVA-sensitized/challenged asthma control group. These results suggest that oral administration of LM-COS is effective in alleviating the allergic inflammation in vivo and thus can be a good source material for the development of a potent therapeutic agent against mast cell-mediated allergic inflammatory responses and airway inflammation in allergic inflammatory diseases, including asthma.
저자
Mi Ja Chung [ Department of Biotechnology, The Catholic University of Korea, Bucheon, Gyeonggi-do 420-743, Korea ]
Jae Kweon Park [ Department of Pharmaceutical Science, Gachon University of Medicine and Science, InCheon 406-799, Korea ]
Ji Sun Lee [ Department of Biotechnology, The Catholic University of Korea, Bucheon, Gyeonggi-do 420-743, Korea ]
Seul Lee [ Department of Biotechnology, The Catholic University of Korea, Bucheon, Gyeonggi-do 420-743, Korea ]
Yong Il Park [ Department of Biotechnology, The Catholic University of Korea, Bucheon, Gyeonggi-do 420-743, Korea ]
본 학회는 화학, 생화학, 분자생물학, 미생물학, 식품공학, 의학, 약학, 유전공학 및 생물공학, 환경 및 기타 공업 등 전 분야의 탄수화물관련 이론과 기술을 연구 발전시키고 산학협동을 통해 이를 보급하여 국내 관련 산업의 발전 및 국민생활의 과학화에 기여하고자 하며, 이러한 목표와 비젼의 실현을 위해 회원들이 적극적인 참여와 활동을 전개하고자 한다.