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Updated: Jan 8, 2026

Comparative in vivo Study of gp96 Adjuvanticity in the Frog Xenopus laevis

Comparative in vivo Study of gp96 Adjuvanticity in the Frog Xenopus laevis

Published on: September 16, 2010

通过gp96-融合方法的替代抗原保留在小鼠中诱导长期和广泛的免疫力

Fang Cheng^1,2, Baifeng Wang^1,2, Xinran Zhu^1,2,3

¹CAS Key Laboratory of Pathogen Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences (CAS), Beijing, China.

Nature communications

|December 17, 2025

概括

这项研究提出了一种新的二维疫苗策略,使用热冲击蛋白GP96来增强对免疫细胞的抗原输送. 这种方法可以促进对病毒和瘤抗原的强大和持久的免疫反应.

科学领域:

免疫学免疫学免疫学
疫苗学疫苗学疫苗学
纳米技术纳米技术

背景情况:

对B细胞和树突细胞 (DCs) 进行有效的抗原传递对于疫苗的疗效至关重要.
目前的疫苗策略需要优化以提高免疫性.

研究的目的:

通过将抗原与热冲击蛋白GP96.6融合来开发和验证一个二维疫苗平台.
评估平台提高抗原呈现和免疫反应的能力.

主要方法:

抗原 (SARS-CoV-2 RBD,HPV E7) 与热冲击蛋白GP96.6的N端融合在一起.
该疫苗策略在病毒挑战模型 (hACE2小鼠) 和瘤模型 (裸体小鼠) 中进行了测试.
分析了涉及LRP1受体结合,DC相互作用和免疫细胞反应的机制.

主要成果:

在GP96-抗原融合形成的纳米粒子暴露的抗原部位.
GP96促进了在卵泡DCs和长时间的淋巴结保留上抗原的积累.
观察到增强的B细胞反应,T细胞激活,以及持久的幽默和粘膜免疫.

结论:

双面GP96疫苗平台有效地增强了抗原递送和免疫反应.
这一战略显示出开发针对传染病和癌症的多功能和强效疫苗的前景.
针对GP96-LRP1相互作用是改善疫苗免疫性的一个关键机制.

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