相关实验视频

Updated: May 25, 2025

Live Imaging and Quantification of Viral Infection in K18 hACE2 Transgenic Mice Using Reporter-Expressing Recombinant SARS-CoV-2

Live Imaging and Quantification of Viral Infection in K18 hACE2 Transgenic Mice Using Reporter-Expressing Recombinant SARS-CoV-2

Published on: November 5, 2021

SARS-CoV-2感染的免疫和炎症后果及其对脏疾病的影响

Hiam Naiditch¹, Michael R Betts², H Benjamin Larman³

¹Department of Pulmonary, Allergy, Critical Care and Sleep Medicine, University of Pittsburgh, Pittsburgh, PA, United States.

Frontiers in immunology

|February 27, 2025

概括

COVID-19的严重程度与免疫和炎症反应有关,包括热和细胞因子风暴. 了解这些SARS-CoV-2驱动的免疫失调对于治疗严重疾病和长期影响至关重要.

科学领域:

免疫学和传染病,专注于病毒病原和宿主反应.

背景情况:

随着COVID-19的爆发,人们越来越需要了解SARS-CoV-2对免疫和炎症通路的影响.
免疫反应显著调解COVID-19疾病的严重程度,需要更深入的机制理解.

研究的目的:

阐明COVID-19病原和严重程度背后的复杂免疫和炎症机制.
探索特定免疫细胞,细胞因子和细胞过程在疾病进展和长期后果中的作用.

主要方法:

免疫细胞反应的分析,包括巨细胞灭和淋巴缺血 (NK,CD8+ T,B细胞).
对细胞因子 (IL-1,IL-6,IL-12,TNFα) 和信号通路 (NF-κB,STAT3) 的研究.
检查内皮细胞激活,NET形成,微血栓和器官特异性病理,特别是在脏 (AKI,CKD,COVAN).

主要成果:

SARS-CoV-2 感染引发热,延迟干扰素反应和细胞因子风暴,导致高炎症.
观察到淋巴缺血和内皮细胞激活,导致微血栓和末端器官损伤.
损伤 (AKI,CKD,COVAN) 是一种显著的肺外表现,可能由IL-6/STAT3信号介导.

结论:

免疫失调,包括热致死,细胞因子释放和淋巴衰竭,是COVID-19发病率的核心因素.
内皮功能障碍和微血栓形成在多器官损伤中起着关键作用.
了解这些免疫炎症通路对于管理急性COVID-19和PASC和MIS-C等慢性疾病至关重要.

关键词:

艾基 (AKI) 是一个人.在 COVID-19 疫情中,帕斯克 (Pasc) 是一个过去.这就是SARS-CoV-2病毒.一些炎症一些炎症这是一种炎症炎症炎症炎症.长时间的COVID.

更多相关视频

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice

Published on: June 8, 2022

Visualization of SARS-CoV-2 using Immuno RNA-Fluorescence In Situ Hybridization

Visualization of SARS-CoV-2 using Immuno RNA-Fluorescence In Situ Hybridization

Published on: December 23, 2020

相关概念视频

Renal Corpuscle

Renal Corpuscle

The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...

Antihypertensive Drugs: Direct Renin Inhibitors

Antihypertensive Drugs: Direct Renin Inhibitors

The renin-angiotensin-aldosterone system (RAAS) is an intricate physiological pathway involving numerous enzymes and hormones, including renin, angiotensin-converting enzyme (ACE), angiotensin I and II, and aldosterone. Imbalances within this system increase the production of angiotensin II and aldosterone. Increased angiotensin II levels promote vasoconstriction and blood pressure elevation. Concurrently, higher aldosterone levels stimulate sodium and water reabsorption in the kidneys,...

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...