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环境中化学物质的免疫作用已成为近年来毒理学研究的敏感指标。一些实验证明,长期接触某些低浓度的金属及其化合物可能诱发宿主免疫应答的改变。主要表现为免疫抑制,包括宿主对感染原的易感性增强;吞噬细胞功能降低;免疫活性细胞及组织体液中的杀菌物质(溶茵酶、补体、干扰素等)的改
The immune effect of chemicals in the environment has become a sensitive indicator of toxicological research in recent years. Some experiments show that long-term exposure to certain low concentrations of metals and their compounds may induce changes in the host immune response. Mainly for immunosuppression, including host susceptibility to infection increased; phagocytic function decreased; immunocompetent cells and tissues of the bactericidal substances (enzymes, complement, interferon, etc.) change