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免疫核糖核酸(I-RNA)是动物经抗原免疫后或者在体外使免疫系统细胞致敏后,由免疫系统细胞中抽提出的核糖核酸制品。自Fishman等一九六一年在体外培养实验中发现,对T2噬菌体致敏的大鼠巨噬细胞,其无细胞泸液里的RNA能使未免疫大鼠淋巴结细胞产生抗T2噬菌体的抗体之后,各国学者曾用同系的或异种的免疫核糖核酸进行传递细胞免疫或体液免疫反应性的各种体内或体外试
Immuno-ribonucleic acid (I-RNA) is a ribonucleic acid product extracted from cells of the immune system after being immunized by an antigen or sensitized by immune system cells in vitro. From Fishman et al. in vitro culture experiments in 1961, it was found that RNA in cell-free sputum of rat macrophages sensitized to T2 phage can cause anti-T2 phage antibodies to be produced in un-immunized rat lymph node cells. , Scholars from various countries have used in vivo or in vitro tests using homologous or heterogeneous immuno-ribonucleic acid to deliver cellular or humoral immune reactivity.