流体干扰素调节因子3可以通过支持从上皮细胞到半机细胞的过渡来对抗人类乳头瘤病毒的复制
Oluwamuyiwa T Amusan1, Rebecca Lopez1, Elijah Burks1
1Department of Microbiology and Immunology, Louisiana State University Health Sciences Center-Shreveport, 1501 Kings Highway, Shreveport, LA 71103, USA.
Viruses
|May 28, 2025
概括
流体干扰素调节因子3 (IRF3) 促进了类似于上皮细胞转变为介质酶细胞 (EMT) 的状态,阻碍了人类乳头瘤病毒 (HPV) 复制. 这一发现连接了伤口愈合和天生的免疫力,揭示了IRF3作为抗HPV因子.
科学领域:
- 这是天生的免疫力.
- 伤口愈合 伤口愈合
- 皮质生物学 皮质生物学
- 病毒学 病毒学
背景情况:
- 表皮作为一个物理屏障,与免疫细胞沟通.
- 皮质到介质细胞的过渡 (EMT) 对于伤口愈合至关重要,但反对皮质分化.
- 在EMT和先天免疫之间存在的分子联系,特别是在人类乳头瘤病毒 (HPV) 等病毒感染的背景下,尚未得到充分研究.
研究的目的:
- 为了研究先天免疫,EMT和HPV感染之间的分子联系.
- 确定干扰素调节因子3 (IRF3) 在调节EMT中的作用及其对HPV16的影响.
- 阐明流体IRF3如何影响表皮分化和HPV复制.
主要方法:
- 研究了 stromal IRF3 对HPV16 感染表皮的作用.
- 贫的树皮IRF3和分析基因表达模式在树皮和上皮两部分.
- 评估了转化生长因子β1 (TGFβ1) 信号通路.
- 进行了染色体免疫沉,以确定人前皮纤维细胞中IRF3与TGFB1促进体的结合.
- 在出现病例性HPV16时检查的EMT标志物.
主要成果:
- 流体IRF3在含有HPV16的表皮质中促进了类似EMT的基因表达模式.
- 层体IRF3的枯竭会降低TGFβ1在层体和上皮的信号传递的调节.
- IRF3直接与TGFB1促进体结合,对TGFB1mRNA产生至关重要.
- 在出现病例性HPV16时,EMT标记物减少,因为EMT样状态不利于HPV16复制.
结论:
- 流体IRF3通过诱导一种类似于EMT的状态来破坏表皮分化.
- 通过调节EMT,将伤口愈合与先天免疫联系起来,IRF3充当抗HPV因子.
- 这项研究揭示了一种新的机制,即先天性免疫因素通过调节上皮层-脑膜相互作用来影响病毒病变.
相关概念视频
Mechanisms of Retrovirus-induced Cancers
5.3K
Retroviruses are RNA viruses that have been shown to cause cancers in diverse species, including chickens, mice, cats, and monkeys. The RNA genomes of these viruses are first reverse-transcribed into single and then double-stranded DNA (dsDNA) copies. This dsDNA called proviral DNA then integrates into the host genome. Subsequently, the host cell transcribes the proviral DNA in concert with the chromosomal DNA. This leads to the production of viral RNA and proteins that assemble at the host...
5.3K
Abnormal Proliferation
4.6K
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
4.6K


