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만병초와 구상나무 추출물의 RBL-2H3 세포 탈과립, 싸이토카인 유전자 발현에 미치는 영향
정의만 ( Eui Man Jung ),김재우 ( Jae Woo Kim ),박미진 ( Mi Jin Park ),이성숙 ( Sung Suk Lee ),최돈하 ( Don Ha Choi ),이정복 ( Jung Bok Lee ),정의배 ( Eui Bae Jeung ) 한국목재공학회 2013 목재공학 Vol.41 No.6
Ethanol extracts from Rhododendrom brachycarpum and Abies koreana were investigated for their anti-allergic activities using RBL-2H3 cell line. After treatment with ethanol extracts of various concentrations on the immune response induced mast cell by concanavalin A (Con A), the expressions of cytokine interleukin-4 (IL-4), interleukin-13 (IL-13) were determined by using RT-PCR and the degranulation of mast cells was determined by measuring B-hexosaminidase release. Expression level of IL-4 was decreased by the extract from Rhododendrom brachycarpum in 107, 10-5 and 10-3% concentrations. Exoression level of IL-13 was also decreased by both extracts. B-Hexosaminidase release by RBL-2H3 cells was ingibited at the 10-5 and 10-3& concentration of extracts from Rhododendrom brachycarpum and Abies koreana, respectively. These results demonstrate that ethanol extracts of Rhododendron brachycarpum and Abies koreana exert anti-allergic effects by regulating the reduction of IL-4 and IL-13 genes expression and also the secretion of B-hexosaminidast.