Abstract

본 연구는 식용버섯, 특히 능이버섯이 면역조절기능제로서의 가치 여부를 평가하기 위하여 수행되었다. 본 연구를 위해 능이버섯 및 잎새버섯, 표고버섯이 사용되었다. 버섯 추출물을 투여한 생쥐의 혈장내 IgG1 및 IgG2a 수준을 측정하였고, 비장 단일 세포군을 이용하여 T 림프구 및 B 림프구의 in vitro 활성화 결과 생성된 <TEX>$IFN{\gamma}$</TEX>와 IL-4 수준을 각각 분석하였다. 실험 결과 능이버섯 추출물 500 mg/kg BW 투여군과 잎새버섯 추출물 500 mg/kg BW을 투여한 군에서 각각 <TEX>$IFN{\gamma}$</TEX>/IL-4의 비가 다른 군에 비해 높은 경향을 보였다. 또한 혈장 내 IgG2a/IgG1의 비가 능이버섯 추출물 투여군의 경우에 다른 군보다 높았다. 이는 능이버섯이 항암작용 및 항바이러스 작용과 같은 type-1 반응을 촉진할 가능성이 있으며, 그 효과가 이미 입증된 표고버섯이나 잎새버섯과 비교하여 식용버섯으로써 면역조절 기능 강화 측면에서 우수한 버섯이라 사료된다. This study was carried out to evaluate the immunomodulatory capacity of edible mushrooms, including Sarcodon aspratus, Letinus edodes and Grifola frondosa in mice. BALB/c mice were administered 50, 500, and 1000 mg/kg body weight of various mushrooms five times a week over 4 weeks through oral administration. The control mice were administered distilled water. No significant changes in body weight were observed. IL-4 and <TEX>$IFN{\gamma}$</TEX> production was evaluated with splenic T lymphocytes stimulated in vitro with phytohemagglutinins for 48 hr. The mice group administered Sarcodon aspratus, Grifola frondosa tend to higher ratio of <TEX>$IFN{\gamma}$</TEX> versus IL-4 than the other groups. In addition, the ratio of plasma IgG2a versus IgG1 was also elevated in mice treated with Sarcodon aspratus. These results indicated that Sarcodon aspratus can enhance type-1 helper T cell-mediated cellular immunity. And also, S. aspratus seems to be one of the most useful mushrooms for immunomedicine.

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