相关实验视频

Updated: Jul 27, 2025

Isolation and Quantification of Epstein-Barr Virus from the P3HR1 Cell Line

Isolation and Quantification of Epstein-Barr Virus from the P3HR1 Cell Line

Published on: September 28, 2022

爱普斯坦-巴尔病毒降低了CD8的α7尼古丁乙胆受体的下调

Lvyan Tao¹, Tiesong Zhang¹, Yuantao Zhou¹

¹Yunnan Medical Center for Pediatric Diseases, Yunnan Institute of Pediatrics, Kunming Children's Hospital, Kunming 650228, Yunnan, China; Kunming Key Laboratory of Children Infection and Immunity, Yunnan Key Laboratory of Children's Major Disease Research, Yunnan Province Clinical Research Center for Children's Health and Disease, Kunming 650228, Yunnan, China.

Microbes and infection

|June 9, 2023

概括

爱斯坦-巴尔病毒 (EBV) 感染状态影响川崎病 (KD) 中的冠状动脉病变 (CALs). 没有可检测DNA的急性EBV感染显示出高于DNA的急性EBV感染的CALs,潜伏的EBV感染显示出最高的CALs.

科学领域:

儿科儿科儿科
免疫学免疫学免疫学
传染性疾病传染性疾病

背景情况:

川崎病 (KD) 是一种关键的儿科血管炎,与免疫失调和像爱斯坦-巴尔病毒 (EBV) 这样的病原体有关.
冠状动脉病变 (CALs) 在KD可以导致严重的心脏并发症,但病原体,免疫反应和CALs之间的相互作用仍然不清楚,特别是在EBV联合感染的情况下.

研究的目的:

研究EBV感染状况与儿科KD患者中CAL发病率之间的关系.
分析与不同EBV感染状态相关的免疫学差异和调控机制在KD.

主要方法:

研究了281名KD患者的病原体携带和临床数据.
分析了免疫学概况 (IL-6,B细胞,CD8+T细胞,α7nAChR,PI3K/AKT/mTOR,NF-κB) 与CAL和EBV感染状态 (急性EBV-DNA阳性,急性EBV-DNA阴性,潜伏EBV) 相比.

主要成果:

在KD患者中,EBV是最常见的病原体.
急性EBV-DNA (+) 组的CAL发病率为0%,急性EBV-DNA (-) 组为27.27%,潜伏EBV组为41.67%.
与急性EBV-DNA (-) 和潜在EBV感染患者相比,患者年轻,IL-6和B细胞高,CD8+T细胞低,α7nAChR和PI3K/AKT/mTOR下调,NF-κB激活,与急性EBV-DNA (+) 组相比.

结论:

不同的EBV感染状态与KD中CAL发病率的变化相关.
降低α7nAChR和PI3K/AKT/mTOR的调节,以及NF-κB和IL-6的激活,可能有助于EBV感染的KD患者的CAL发展.

关键词:

冠状动脉病变冠状动脉病变爱斯坦·巴尔病毒病毒.免疫调节免疫调节川崎病是川崎病的一种疾病.淋巴细胞淋巴细胞

更多相关视频

Separation of Immune Cell Subpopulations in Peripheral Blood Samples from Children with Infectious Mononucleosis

Separation of Immune Cell Subpopulations in Peripheral Blood Samples from Children with Infectious Mononucleosis

Published on: September 7, 2022

An Efficient and Simple Method to Establish NK and T Cell Lines from Patients with Chronic Active Epstein-Barr Virus Infection

An Efficient and Simple Method to Establish NK and T Cell Lines from Patients with Chronic Active Epstein-Barr Virus Infection

Published on: March 30, 2018

相关概念视频

Receptor Downregulation in MVBs

Receptor Downregulation in MVBs

Multivesicular bodies (MVBs) are mature endosomes that sort ubiquitinated proteins and then fuse with lysosomes to degrade the sorted proteins. Epidermal growth factor (EGF) and its receptor (EGFR) form a complex that can be internalized through endocytosis, sorted into an MVB, and later degraded.
The EGFR can initiate signaling pathways that lead to cell proliferation, migration, and differentiation. Overexpression of EGFR stimulates cells to proliferate. Excessive EGFR...

Immune Response Against Viral Pathogens

Immune Response Against Viral Pathogens

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...