Immune Mechanisms of DNA-based cancer Vaccine Carried by of Attenuated Salmonella

2004 
减毒沙门菌可作为外源DNA的载体,为DNA疫苗的研制提供了新的思路.携带肿瘤DNA的减毒沙门菌可通过肠上皮细胞屏障,被存在于外周免疫系统的DC捕获;肿瘤DNA可在DC中表达肿瘤抗原;DC可将肿瘤抗原呈递给T细胞.该疫苗能刺激机体发生抗肿瘤的特异性免疫应答,发挥抗肿瘤作用。
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