在调节细胞透和HSV-1延迟时,CD80的存在和LAT的缺乏
Ujjaldeep Jaggi1, Homayon Ghiasi1
1Center for Neurobiology and Vaccine Development, Ophthalmology Research, Department of Surgery, Cedars-Sinai Burns & Allen Research Institute, CSMC - SSB3, 8700 Beverly Blvd., Los Angeles, CA 90048, USA.
Viruses
|September 28, 2024
概括
缺少CD80分子会增加炎症,并减少简单疹病毒1 (HSV-1) 的潜伏时间. 阻止CD80可能会减轻免疫反应并控制HSV-1感染.
科学领域:
- 免疫学 免疫学 免疫学
- 病毒学 病毒学
- 眼科医生 眼科 眼科
背景情况:
- CD80是一种关键的辅助刺激分子,对T细胞功能至关重要.
- 简单疹病毒1 (HSV-1) 导致疹膜炎 (HSK),这是传染性失明的重要原因.
- CD80在HSV-1病原和适应性免疫中的作用需要进一步阐明.
研究的目的:
- 研究CD80缺失或过度表达对HSV-1感染动态的影响.
- 在小鼠模型中确定CD80对病毒复制,疾病进展,细胞透和延迟重新激活的影响.
主要方法:
- 感染的CD80淘汰赛 (CD80-/-) 和野生型 (WT) 的小鼠与HSV-1工程表达 (HSV-CD80) 或缺乏延迟相关的转录 (dLAT2903).
- 评估病毒标位,眼睛疾病的严重程度,角膜和三角骨细胞透.
- 病毒延迟的量化 (gB DNA) 和重新激活的时间.
主要成果:
- 缺少CD80并没有改变病毒标位或眼睛疾病,但显著影响了HSV诱导的免疫病理学.
- 感染dLAT2903的WT小鼠的潜伏时间比CD80-/-小鼠高;感染HSV-CD80.0.的WT和CD80-/-小鼠的潜伏时间相似.
- 缺少CD80导致CD80-/-小鼠的炎症增加,而反应时间不受CD80状态或过度表达的影响.
结论:
- 缺少CD80会增加炎症并降低HSV-1潜伏期,但不会影响活性.
- 降低延迟与减少的炎症分子相关.
- 阻止或减少CD80表达可能是控制HSV诱导的免疫反应和感染的治疗策略.
关键词:
CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD8 CD9 CD8 CD8 CD8 CD9 CD8 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 CD9 是一个字体的字体的字体是什么意思在PD-1中使用PD-1.角膜痕 在角膜痕延迟时间 延迟时间再激活重新激活的方法病毒复制是病毒的复制.
相关概念视频
01:29Immune Response Against Viral Pathogens
760
The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
760
01:22T Cell Activation and Clonal Selection
680
T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
Naive T cells that have not yet encountered an antigen express two primary CD...
680