相关实验视频

Updated: May 6, 2026

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

爱斯坦巴尔病毒 (EBV) 潜膜蛋白1 (LMP-1) 调节中间和非经典单细胞中的功能标记物

Agustina Moyano¹, Ana Colado², María Eugenia Amarillo¹

¹Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP), CONICET-GCBA, Pathology Division, Ricardo Gutiérrez Children's Hospital, Buenos Aires C1425EFD, Argentina.

|January 8, 2025

概括

爱斯坦-巴尔病毒 (EBV) 感染涉及中间 (I) 和非经典 (NC) 单细胞. 埃博病毒型蛋白LMP-1影响这些单细胞中的调节性蛋白质表达,影响免疫反应.

科学领域:

免疫学免疫学免疫学
病毒学病毒学
细胞生物学细胞生物学

背景情况:

爱斯坦-巴尔病毒 (EBV) 感染了90%以上的人类,在儿科初级感染中,先天免疫力至关重要.
单细胞,包括经典,中间 (I) 和非经典 (NC) 亚种群,在免疫调节中发挥着不同的作用.
单细胞亚种群在EBV感染中的特定参与仍然在很大程度上未被探索.

研究的目的:

调查单细胞亚种群在爱斯坦-巴尔病毒 (EBV) 初级感染,健康携带者和重新激活中的作用.
探索EBV感染状态与单细胞上特定细胞表面标记物的表达之间的相关性.
为了确定EBV蛋白LMP-1对单细胞亚群的影响.

主要方法:

从EBV初级感染者 (PI),健康携带者 (HC) 和重新激活 (R) 患者的外周血液和桃体活检分析.
基于膜蛋白表达的单细胞亚群 (古典,中间,非古典) 的区分和表征.
免疫细胞标记物 (CD163,PD-L1) 和EBV潜伏蛋白LMP-1的相关性分析.

主要成果:

在所有EBV感染状态中,古典单细胞占主导地位.
在健康载体的非经典 (NC) 单细胞中,桃体CD163和CD163表达之间观察到显著的正相关性.
桃体细胞中的PD-L1表达与NC单细胞上的PD-L1呈正相关,而LMP-1在NC亚群中与PD-L1,CD163和CD206呈正相关.

结论:

中间 (I) 和非经典 (NC) 单细胞在埃普斯坦-巴尔病毒 (EBV) 感染期间表现出主导反应.
该EBV瘤蛋白LMP-1可以调节I和NC单细胞上关键蛋白的表达,包括PD-L1和CD163.
这些发现凸显了特定单细胞子集在对EBV的免疫反应中的关键作用.

关键词:

这是EBV的EBV.巨细胞是什么?巨细胞是什么?单细胞 (Monocytes) 是一种单细胞.儿科儿科儿科桃体桃体是一个

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

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

相关概念视频

Non-LTR Retrotransposons

Non-LTR Retrotransposons

As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...

Intralumenal Vesicles and Multivesicular Bodies

Intralumenal Vesicles and Multivesicular Bodies

Intraluminal vesicles (ILVs) are small vesicles 50-80 nm in diameter formed during the maturation of early endosomes. A specialized endosome containing numerous ILVs is called a multivesicular body (MVB). ILVs contain internalized molecules such as antigens, nucleic acids, proteins, and metabolites. Some of these molecules are released from the MVBs inside exosomes and are transported to other cells. Other MVBs contain molecules that are retained in the ILVs and are later degraded within the...

Lymphoid Cells and Tissues

Lymphoid Cells and Tissues

Lymphoid cells and tissues are integral to the immune system, which is crucial in maintaining our body's defense against harmful pathogens. They form the building blocks of lymphoid organs, which include the spleen, thymus, and lymph nodes.
Lymphoid cells consist of various types of immune system cells. These include B and T lymphocytes, which are responsible for producing antibodies and killing infected cells, respectively. Dendritic cells act as messengers between the innate and adaptive...