在基于INSTI的ART治疗的病毒抑制个体中,持久的细胞关联HIV-1RNA
Kazuo Suzuki1,2, Lucy Gold3, Angelique Levert1
1St Vincent's Centre for Applied Medical Research, NSW State Reference Laboratory for HIV, Sydney, Australia.
Journal of virus eradication
|October 23, 2025
概括
集成酶链转移抑制剂 (INSTIs) 抑制HIV-1的血水平,但不会阻止从潜伏的HIV储存器转录. 治愈艾滋病毒的研究应该优先针对正在进行的艾滋病毒转录在艾滋病毒感染者 (PLWH).
科学领域:
- 病毒学 病毒学
- 免疫学 免疫学 免疫学
- 传染性疾病 传染性疾病
背景情况:
- 整合酶链转移抑制剂 (INSTIs) 是现代抗逆转录病毒疗法 (ART) 抑制HIV-1的关键.
- 之前的研究集中在HIVDNA上,而不是HIV储存中的活跃转录.
- 评估水库活动对于了解艾滋病毒的持续性和治愈策略至关重要.
研究的目的:
- 以功能性地比较基于INSTI和非基于INSTI的ART疗法之间的HIV储活性.
- 测量细胞关联 (CA) 短HIV-1RNA转录作为活跃HIV转录的标记.
- 评估INSTIs对正在进行的HIV转录从潜伏库的影响.
主要方法:
- 在92名病毒抑制个体的白细胞中测量了细胞相关 (CA) 短HIV-1RNA和HIV-1DNA.
- 基于INSTI的ART (n=73) 与非基于INSTI的ART (n=19) 的参与者进行了比较.
- 分析了先前的血HIV-1RNA"闪"与储大小/活性之间的关联.
主要成果:
- 在所有参与者中检测到CA短RNA转录;99%的HIV-1DNA,尽管无法检测到血病毒症.
- 之前有过"blips"的个体具有显著更高的CA RNA和HIV DNA.
- 在INSTI和非INSTI组之间没有观察到储存量或转录活性的显著差异.
结论:
- INSTI有效地阻断了新的HIV整合,但并没有抑制已建立的潜伏储存中的转录.
- 即使在长期的ART中,持续的HIV转录仍然存在,这表明需要新的治疗点.
- 以治疗为导向的艾滋病毒研究应优先考虑直接针对和抑制艾滋病毒转录的策略.
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