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揭示DNAJB12和DNAJB14作为乙型肝炎和D型肝炎病毒粒子形态发生的关键伴侣

Léna Angelo¹, Richard Boulon¹, Patrick Labonté¹

¹INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, QC H7V 1B7, Canada.

|February 13, 2026

概括

研究人员确定DNAJB12是REP 2139的关键目标,影响乙型肝炎病毒 (HBV) 和乙型肝炎病毒 (HDV) 颗粒的形成. DNAJB12和DNAJB14的共同监护人对HBV和HDV生命周期至关重要.

科学领域:

肝病学肝病学是一种肝病学.
病毒学病毒学
分子生物学分子生物学

背景情况:

慢性乙型肝炎病毒 (HBV) 感染涉及大量分泌乙型肝炎表面抗原 (HBsAg) 作为非传染性亚病毒颗粒 (SVPs),阻碍功能治愈.
对于HBV和D型肝炎病毒 (HDV) 颗粒组合至关重要的HBsAg的折叠过程尚不清楚.
最近发现的DNAJB12和DNAJB14是参与跨膜蛋白折叠的共同护理者.

研究的目的:

研究DNAJB12和DNAJB14在HBV和HDV形态发生和分泌中的作用.
在HBV感染的背景下,确定核酸聚合物REP 2139的特定标.

主要方法:

使用REP 2139作为诱来识别相互作用的蛋白质.
对DNAJB12和DNAJB14进行了淘汰实验.
评估了淘汰对SVP,HBV病毒和传染性HDV产生的影响.

主要成果:

DNAJB12被确定为REP 2139的交互因子;它的淘汰阻碍了SVP和HBV病毒形态和分泌.
DNAJB14敲击选择性地损害了HBV病毒形态发生,但没有与REP 2139相互作用.
对DNAJB12和DNAJB14的淘汰阻碍了传染性HDV的产生.
DNAJB12的淘汰效应反映了临床试验中REP 2139的抗病毒效应.

结论:

DNAJB12可能是REP 2139的主要目标.
DNAJB12和DNAJB14在HBV和HDV的生命周期中发挥着重要的功能作用.
这些发现为慢性HBV和HDV感染的潜在治疗策略提供了新的见解.

关键词:

生物科学生物科学微生物学微生物学自然科学自然科学病毒学病毒学

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