趋化因子CCL19、CCL28以及TNF家族配体APRIL作为基因佐剂在HIV-1疫苗中的效应研究

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  目的 研究质粒型细胞因子pAPRIL、pCCL19和pCCL28作为分子佐剂对HIV-1 gp140抗原的免疫增强作用。方法 本研究以BALB/c小鼠为模型,通过gp140抗原与分子佐剂共同免疫三次后一周,采集小鼠血清和阴道冲洗物样本,检测其抗原特异性抗体水平以及中利同源以及异源HIV-1的能力;采集直肠样本,检测其直肠黏膜表面IgA+细胞数目;分离并刺激脾脏和肠系膜淋巴结细胞,检测Th1/Th2细胞免疫应答以及其中细胞因子响应性免疫细胞变化情况。结果 pCCL19和pCCL28均能够显著增强系统性以及黏膜部位的抗原特异性的抗体水平,而pAPRIL则未表现出明显的免疫增强作用。
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