相关实验视频
Updated: May 11, 2026

07:54
Cholesterol Efflux Assay
Published on: March 6, 2012
干扰素-在高胆固醇血症引起的白细胞-内皮细胞粘附中的作用
Karen Y Stokes1, E Chris Clanton, Kris P Clements
1Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center, 1501 E Kings Highway, Shreveport, La 71130-3932, USA.
Circulation
|April 16, 2003
概括
来自T淋巴细胞的干扰因子- (IFN-) 在高胆固醇血症中驱动微血管炎症. 阻断IFN-可减少白细胞粘附和氧化应激在高胆固醇条件下.
科学领域:
- 免疫学 免疫学 免疫学
- 心血管生物学 心血管生物学
- 微循环研究 微循环研究
背景情况:
- 高胆固醇血症会在微循环中引发T细胞介导的炎症.
- 白血球-内皮细胞粘附是关键的炎症事件.
研究的目的:
- 确定T淋巴细胞衍生干扰素- (IFN-) 在高胆固醇血引起的白细胞-内皮细胞粘附中的作用.
主要方法:
- 在正常或高胆固醇饮食中的野生类型,IFN-马淘汰和SCID小鼠的肠道视频显微镜.
- 白细胞粘附,迁移和氧化应激 (DHR氧化) 的量化.
主要成果:
- 高胆固醇饮食增加了白细胞粘附,迁移和野生型小鼠的氧化应激.
- 这些炎症反应在IFN-马淘汰赛小鼠中显著减少.
- 严重的综合免疫缺陷小鼠显示反应减弱,复制实验确定T淋巴细胞作为IFN-的来源.
结论:
- 干扰素- (IFN-) 是高胆固醇血炎症中炎症性微血管表型的关键调解者.
- T淋巴细胞是这种促炎性细胞因子的主要来源,突出了潜在的治疗点.
相关概念视频
Inflammation
Overview
Intracellular Signaling Affects Focal Adhesions
Integrins act both as extracellular input receivers and as intracellular processing activators. As their name suggests, integrins are entirely integrated into the membrane structure. Their hydrophobic membrane-spanning regions interact with the phospholipid bilayer's hydrophobic region. These membrane receptors provide extracellular attachment sites for effectors like hormones and growth factors. They activate intracellular response cascades when their effectors are bound and active.
Some...
Some...
Immunoglobulin-like Cell Adhesion Molecules
Immunoglobulin-like cell adhesion molecules or Ig-CAMs are a versatile group of cell surface glycoproteins belonging to the immunoglobulin protein superfamily. Ig-CAMs possess the characteristic immunoglobulin protein domains and other domains such as the fibronectin type III domain. The Ig domains are glycosylated to varying degrees in different Ig-CAMs.
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
Cholesterol: Significance and Regulation
Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Considering cholesterol and...
Inhibitors of Viral Protein Synthesis
Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...

