Effect of Fermented Cudrania tricuspidata Fruit Extracts on the Generation of the Cytokines in Mouse Spleen Cells

Journal of Life Science(2013)

Cited 14|Views7
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Abstract
꾸지뽕(Cudrania tricuspidata) 열매의 면역증강 작용을 검토하기 위하여 유산균을 이용하여 발효한 후 70% 에탄올 추출하여 그 추출물을 마우스 비장세포에 작용한 후 분비되는 cytokine으로 면역활성을 조사하였다. 그 결과 발효에 의해 성분의 변화로 총 페놀함량을 측정한 결과 발효에 의해 폴리페놀 함량이 약 47% 증가하였으며, 면역활성에서는 발효 꾸지뽕 열매에서 cytokine IL-2와IL-4의 분비량이 증가하였다. 그리고 LPS 자극제와 함께 처리하였을 때, Th1 cell 유도 cytokine인 IL-2, IL-12, TNF-${\alpha}$의 분비는 억제되었으나, Th2 cell 유도 cytokine인 IL-4, IL-5, IL-6, IL-10의 분비량이 유의적으로 증가하였다. 이는 발효 꾸지뽕 나무 열매 추출물이 Th1 cell의 발현에 의해 유도되는 세포성 면역작용 반응은 억제하며, B 림프구에 의한 항체생성과 관련된 체액성 면역작용을 유도하는 Th2 cell의 발현을 활성화 하는 것으로 사료된다. We investigated a physiological function by fermenting a medicinal mushroom, (Cudrania tricuspidata fruit). A fermentation using lactic acid bacteria and the extracts isolated from 70% ethanol fractionation was included in cultured mouse spleen cells for cytokine secretion. As a result, total polyphenol content improved by 47% by organic acid fermentation. This was regarded as immune activity in fermented C. tricuspidata fruits, as the levels of interleukin (IL)-2 and IL-4 secretion increased. In addition, when the extracts were treated with a stimulant lipopolysaccharide, the secretion of helper T (Th) 1 cytokines IL-2, IL-12, and tumor necrosis factor-${\alpha}$ was suppressed, while the secretion of Th2 cytokines IL-4, IL-5, IL-6, and IL-10 significantly increased. Therefore, this study suggests that fermentative C. tricuspidata fruit extracts can contribute to the suppression of cellular immune reactions induced by the expression of Th1 cells and activation of the expression of Th2 cells inducing humoral immune reactions associated with the antibody generation by B lymphocytes.
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fermentation
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