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頁籤選單縮合
題 名 | 文蛤熱萃取物對免疫細胞的調節作用=Regulation of the Immune Cell Functions by Hot Water Extract of Hard Clam |
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作 者 | 龔瑞林; 林岳輝; 馮貢國; | 書刊名 | 中華民國營養學會雜誌 |
卷 期 | 21:4 1996.11[民85.11] |
頁 次 | 頁421-431 |
分類號 | 415.121 |
關鍵詞 | 文蛤; 醣蛋白; 無血清培養; 免疫活性; Hard clam; Meretrix lusoria; Glycoprotein; Immunoactive; Serum-free culture; |
語 文 | 中文(Chinese) |
中文摘要 | 市售新鮮文蛤(Meretrix lusoria)以100°C熱水萃取物30分鐘,萃取液經硫銨分劃得粗成分,並利用無血清動物細胞培養模式,研究其免疫生理活性。實驗得知文蛤熱水萃取物含增強免疫細胞株之活性物質,其作用包括促進老鼠T淋巴球CTLL-2之細胞增生,增加巨噬細胞株J774.1之吞噬能力,促進抗體分泌細胞HB4C5之細胞增生與抗體產生,並造成細胞凝集現象。此免疫活化成分經hydroxyapatite,Toyopearl HW-55管柱層析及醣量分析,得知本體為一分子量24.5kDa含0.5醣的蛋白質。本報告提示體外實驗顯示飲食因子有助於增強免疫力。 |
英文摘要 | The immunoregulatory activities of hot water extract from hard clam were demonstrated using serum-free cultured immune cells. The protein fraction of the clam extract significantly stimulated the proliferation of CTLL-2 murine T-cell and phagocytosis of J774.1 murine macrophage-like cells. The same proteinfraction also enhanced both the proliferation and antibody production of HB4C5 human-human hybridoma. The active ingredient was further purified sequentially by hydroxyapatite and Toyopeal HM-55 gel filtration chromatography. A glycoprotein with the molecular mass of 24.5 kDa showing the immunoregulatory activity was obtained. The results shown in this study suggested that dietary hardclam may have a profound effect on the immune system. |
本系統中英文摘要資訊取自各篇刊載內容。