相关实验视频
Updated: Jun 19, 2025

07:37
An Adoptive Transfer Model of Rheumatoid Arthritis in Mice
Published on: June 6, 2025
64
在RNA处理,炎症和风湿性自身免疫性疾病中的 Ro60-角色
Ranjeet Singh Mahla1, Esther L Jones1, Lynn B Dustin1
1The Kennedy Institute of Rheumatology, University of Oxford, Oxford OX3 7FY, UK.
International journal of molecular sciences
|July 27, 2024
概括
Ro60自身抗原调节RNA代谢和细胞平衡. 失调可以触发自身免疫反应,使Ro60自身抗体成为Sjögren的关键生物标志物.
科学领域:
- 分子生物学分子生物学
- 免疫学 免疫学 免疫学
- 这是一种自身免疫力.
背景情况:
- Ro60/SSA2是一种RNA结合蛋白,对RNA代谢,应激反应和细胞平衡至关重要.
- 它稳定和控制小RNA,包括YRNA和反元素转录.
- 在RNA的质量控制和分布中,Ro60的作用对于预防细胞损伤至关重要.
研究的目的:
- 阐明Ro60/SSA2在RNA代谢中的作用及其对自身免疫性疾病的影响.
- 了解Ro60失调如何导致RNA片段的释放和随后的炎症.
- 探索Ro60自身抗体作为自身免疫疾病的诊断和预测标记物的重要性.
主要方法:
- 分析Ro60在RNA代谢和细胞平衡中的功能.
- 在Ro60失调时对RNA片段生成和释放的研究.
- 对Ro60自身抗体作为Sjögren病和系统性红斑狼等自身免疫性疾病的生物标志物的评估.
主要成果:
- Ro60转录失调或功能丧失会产生炎症性RNA片段.
- 这些碎片激活了先天的免疫传感器,可能会损害自我容忍.
- Ro60自身抗体是Sjögren病和全身性红斑狼的确立诊断标志物.
结论:
- Ro60/SSA2是RNA稳态的组成部分,并防止自身免疫反应.
- 异常的Ro60功能可以触发炎症途径,导致自身免疫.
- 了解Ro60的机制为自身免疫性疾病的发病和生物标志物的发展提供了洞察力.
相关概念视频
T Cell Types and Functions
967
When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
967
Types of RNA
5.7K
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in regulating gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA Performs Diverse...
RNA Performs Diverse...
5.7K
Experimental RNAi
6.1K
RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
6.1K
The JAK-STAT Signaling Pathway
8.8K
Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as SH2...
8.8K
Inflammatory Response
1.9K
An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
1.9K
Transcription Initiation
16.3K
Initiation is the first step of transcription in eukaryotes. Prokaryotic RNA Polymerase (RNAP) can bind to the template DNA and start transcribing. On the other hand, transcription in eukaryotes requires additional proteins, called transcription factors, to first bind to the promoter region in the DNA template. This binding helps recruit the specific RNAP that can assemble on the DNA and start transcription.
The promoters and enhancers and their accessory proteins allow tight regulation of...
The promoters and enhancers and their accessory proteins allow tight regulation of...
16.3K

