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牡蛎提取物连续胃饲小鼠１５ｄ（１０～３ｍｇ／ｄ），发现Ｔ细胞和Ｔｈ亚群百分比、ＣｏｎＡ和ＬＰＳ诱发的淋巴细胞增殖水平以及ＮＫ细胞活性显著增加，但Ｌｙｔ─２＋亚群（Ｔｓ）百分比不变。对环磷酰胺所诱发的免疫低反应，牡蛎提取物有回复和缓解作用，使已降低的总Ｔ、Ｔｈ、Ｔｈ／Ｔｓ，以及淋巴细胞增殖完全回复到正常对照水平，ＮＫ活性虽未达正常值，但也有明显回升（Ｐ＜０．０１）。表明牡蛎提取液有正向免疫调节功能。
The percentage of T lymphocyte and Th subpopulation, lymphocyte proliferation induced by ConA and LPS, and NK cell activity were significantly increased in mice fed oyster extract 15 days (10-3 mg / d). However, the Lyt ─ 2 + subpopulation The percentage is unchanged. The immune response induced by cyclophosphamide, oyster extract has a recovery and alleviate the role of the total T, Th, Th / Ts, and lymphocyte proliferation has been reduced to the normal control level, NK activity, although not normal Value, but also significantly rebounded (P <0.01). Oyster extract shows that there is a positive immune function.