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人体内存在着两种免疫反应:一种是体液免疫;另一种则为目前了解尚少,但其重要性却日益受重视的细胞免疫。细胞免疫反应具有抵抗细胞内的细菌性、病毒性和霉菌性感染的作用,并参与微生物抗原所诱发的迟发型变态反应、同种组织移植排斥反应、自身免疫反应,以及肿瘤免疫反应等。转移因子乃是细胞免疫反应中的一个关键性因子,它能由免疫者转移至无免疫者,并使其建立细胞免疫,以提高机体的防御机能。因此,近年来在临床上日益开展应用转移因子治疗某些细胞免疫减低或缺陷的疾病,并取得一定的效果。
There are two types of immune responses in humans: one is humoral immunity; the other is cellular immunity, which is still poorly understood but of increasing importance. Cellular immune response has the role of resistance to bacterial, viral and fungal infection in cells, and is involved in the delayed type allergy induced by microbial antigens, allograft rejection, autoimmune reaction and tumor immune response. Transfer factor is a key factor in the cellular immune response, which can be transferred from the immune to non-immune, and to establish cellular immunity, in order to improve the body’s defensive function. Therefore, in recent years, increasingly clinical application of transfer factor in the treatment of certain cellular immune deficiency or defect of the disease, and achieved some results.