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血吸虫病的病理过程除细胞免疫参与外,体液免疫也发挥一定作用,因此它也是一种免疫性疾病。近几年来对曼氏血吸虫病实验动物的免疫学研究表明,血吸虫能分泌一种抑制因子(SDIF),抑制T细胞的细胞毒作用;在患者的血清中也存在一种抑制细胞免疫反应的淋巴细胞抑制因子,因而导致细胞免疫功能减低,体液免疫功能增高,特别是晚期血吸虫病(以下简称晚血)患者更是如此。所以对晚血患者除进行病原
In addition to the involvement of cellular immunity in the pathological process of schistosomiasis, humoral immunity also plays a role, so it is also an immunological disease. In recent years, immunological studies on Schistosoma mansoni experimental animals show that Schistosoma japonicum can secrete an inhibitory factor (SDIF), inhibit the cytotoxic effect of T cells; in the patient’s serum also exists a cytostatic immune response of the lymph Cytokines, resulting in reduced cellular immune function, increased humoral immune function, especially in advanced schistosomiasis (hereinafter referred to as late blood) patients even more so. Therefore, patients with late blood in addition to the pathogen