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首页> 外文期刊>American Scientist >DNA Vaccines as Cancer Treatment
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DNA Vaccines as Cancer Treatment

机译:DNA疫苗作为癌症治疗

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No longer limited to warding against infectious agents, vaccines may help treat diseases after they have been diagnosed In human society, the fear of foreigners is the source of many troubles. But within a living organism, a little xenophobia goes a long way. In fact an entire organ system—the immune system—is devoted to distinguishing "self" from "foreign" and eliminating the foreign. This distinction is the basis of vaccines that protect people from infectious viruses and bacteria: A vaccine introduces a harmless version of an infectious foreign agent to the body, familiarizing the immune system with the pathogen's features. The immune system builds a defensive force ready to recognize and eliminate the pathogen, should the real thing ever show up.
机译:疫苗已不仅仅局限于预防传染病,而且在被诊断出疾病后可以帮助治疗疾病。在人类社会,对外国人的恐惧是造成许多麻烦的根源。但是在生物体内,一点仇外心理会走很长一段路。实际上,整个器官系统-免疫系统-致力于区分“自我”与“外来”并消除异物。这种区别是保护人们免受传染性病毒和细菌侵害的疫苗的基础:疫苗将无害的传染性外来因子引入人体,使免疫系统熟悉病原体的特征。免疫系统会建立防御力量,以准备识别和消除病原体,以防万一出现真相。

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