Keywords Bifidobacterium infantis;Uracil Phosphoribosyltransferase;Cytosine deaminase;Gene therapy;Melanoma cell;Killing effect;

• 婴儿双歧杆菌;尿嘧啶磷酸核糖转移酶;胞嘧啶脱氨酶;基因治疗;黑色素瘤;杀伤作用;