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新型乙肝表面抗原中蛋白核酸疫苗在中國(guó)獼猴體內(nèi)免疫原性初步研究

發(fā)布時(shí)間:2019-05-28 23:13
【摘要】:目的:觀察乙型肝炎病毒表面抗原中蛋白(MHBs)核酸疫苗在中國(guó)獼猴體內(nèi)的體液和細(xì)胞免疫應(yīng)答。方法:實(shí)驗(yàn)用中國(guó)獼猴實(shí)驗(yàn)組、對(duì)照組各2只,分別在第0、8、16、24、48周肌肉注射法接種核酸疫苗(pSW3891/MHBs)或?qū)φ蛰d體(pSW3891)。ELISA法檢測(cè)中國(guó)獼猴血清抗-HBs,CFSE-PI染色FCM(流式細(xì)胞術(shù))法測(cè)定中國(guó)獼猴外周血淋巴細(xì)胞HBsAg特異性增殖反應(yīng)。結(jié)果:實(shí)驗(yàn)組中國(guó)獼猴血清抗-HBs滴度在72周達(dá)到最高峰,最高滴度分別為1∶6400和1∶12800,對(duì)照組抗-HBs滴度始終保持在1∶50。實(shí)驗(yàn)組中國(guó)獼猴外周血淋巴細(xì)胞HBsAg特異性增殖反應(yīng)明顯增強(qiáng),細(xì)胞分裂指數(shù)分別
[Abstract]:Aim: to observe the humoral and cellular immune responses of hepatitis B virus surface antigen protein (MHBs) nucleic acid vaccine in Chinese rhesus monkeys. Methods: the serum anti-HBs, of Chinese rhesus monkeys was detected by intramuscular injection of nucleic acid vaccine (pSW3891/MHBs) or control vector (pSW3891). ELISA) at 0, 8, 16, 24 and 48 weeks after intramuscular injection of nucleic acid vaccine (HBs,) or control vector (pSW3891). ELISA). The specific proliferation of HBsAg in peripheral blood lymphocytes of Chinese rhesus monkeys was measured by CFSE-PI staining FCM (flow cytometry). Results: the serum anti-HBs titer of Chinese rhesus monkeys in the experimental group reached the peak at 72 weeks, and the highest titers were 1 鈮,

本文編號(hào):2487441

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