生物制藥工程課程論文-展示頁
2025-01-26 01:31本頁面
【正文】 stract：Vaccine includes attenuated vaccine，inactivated vaccine，subunit vaccine，genetic improvement live vaccine，genetic improvement subunit vaccine，antiidiotype vaccine，synthetic polypeptide vaccine，nucleic acid vaccine. Immunity includes immunologic defense,immunologic homeostasis and immunologic surveillance. When the body is in normal, it is beneficial to body。現(xiàn)代疫苗以基因工程方法修飾疫苗。當(dāng)機(jī)體處于正常狀態(tài)時(shí)，它對(duì)機(jī)體有益；在異常狀態(tài)下，也可損害集體。疫苗種類、特點(diǎn)及核酸疫苗制備方法摘要：疫苗可分為減毒疫苗、滅活疫苗、亞基疫苗、遺傳改良活疫苗、遺傳改良亞基疫苗、抗獨(dú)特型疫苗、合成多肽類疫苗、核酸疫苗。免疫功能包括免疫防御、免疫穩(wěn)定與免疫監(jiān)視三者。傳統(tǒng)疫苗有細(xì)菌培養(yǎng)、病毒培養(yǎng)、支原體培養(yǎng)、免疫血清制備等基本技術(shù)。新技術(shù)下有核酸疫苗問世。while in the abnormal condition, it can also damage the collective. There are bacteria, viruses, and mycoplasma cultivation, the basic technology of serum immunization preparation in the traditional vaccines. Modern vaccine modified vaccine by genetic engineering. By the new technology to the nucleic acid vaccine has published.Keywords：vaccine ，nucleic acid vaccine，genetic improvement 一、疫苗的種類及特點(diǎn)疫苗，是指為了預(yù)防、控制傳染病的發(fā)生、流行，用于人體預(yù)防接種的疫苗類預(yù)防性生物制品。預(yù)防接種用的生物制品包括疫苗、菌苗和類毒素。疫苗是將病原微生物（如細(xì)菌、立克次氏體、病毒等）及其代謝產(chǎn)物，經(jīng)過人工減毒、滅活或利用基因工程等方法制成的用于預(yù)防傳染病的自動(dòng)免疫制劑。當(dāng)動(dòng)物體接觸到這種不具傷害力的病原菌后
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