Objective: To study the influence of N-acetylcysteine (NAC) on the growth and spontaneous metastasis of lung adenocarcinoma in T739 mice.

目的：探讨n -乙酰半胱氨酸(NAC)对T739小鼠肺腺癌原发瘤形成及自发性肺转移的影响。

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OBJECTIVE:To explore the acute toxicity on mice and lipid-lowering effect on rats of N-trimethyl chitosan iodide (TMCI).

目的：研究碘化壳聚糖季铵盐（TMCI）对小鼠的急性毒性作用和对大鼠的降脂作用。

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MethodsUsing inhibiting tumor experiment, carbon clearance test and MTT method to observe the influences of low molecular N-trimethyl chitosan chloride on the solid tumor and immune system in mice.

方法采用抑瘤实验、碳粒廓清实验、MTT法观察低分子壳聚糖季铵盐对小鼠实体瘤和免疫系统的影响。

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