相关实验视频
Updated: Jan 10, 2026

12:43
On-Chip Endothelial Inflammatory Phenotyping
Published on: July 21, 2012
11.3K
作为潜在炎症标记物的β-Casomorphin-7:β-Casomorphin-7如何诱导HUVEC/TERT2细胞系中的内皮功能障碍
Judit Rita Homoki1, Emese Szilágyi-Tolnai1, Ildikó Kovács-Forgács1
1Center for Complex Systems and Microbiome Innovations, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, H-4032 Debrecen, Hungary.
Biomedicines
|November 27, 2025
概括
β-casomorphin-7 (BCM-7) 可能通过增加氧化应激和炎症来恶化内皮功能障碍. 在A1β-casein中发现的这种会加剧这些效应,特别是与脂聚糖 (LPS) 结合时.
科学领域:
- 分子生物学分子生物学
- 心血管研究研究心血管研究
- 免疫学 免疫学 免疫学
背景情况:
- 内皮功能障碍是心血管疾病发展的关键因素.
- 疑似从A1β-casein中获得的β-casomorphin-7 (BCM-7),可能会导致内皮功能障碍.
- 对于BCM-7对内皮细胞的直接影响仍然在很大程度上未被研究.
研究的目的:
- 调查BCM-7是否诱导内皮细胞功能障碍.
- 确定BCM-7是否会增加炎症性细胞因子和活性氧物种 (ROS).
- 评估BCM-7和脂多糖 (LPS) 对内皮细胞的联合作用.
主要方法:
- 人类静脉内皮细胞 (HUVECs/TERT2) 用BCM-7 (5μg/mL) 和LPS (100 ng/mL) 进行治疗.
- 评估了细胞活力,细胞亡,亡和细胞内ROS.
- 使用定量实时PCR进行量化的促炎细胞因子和调节炎症的酶.
主要成果:
- BCM-7显著增加了细胞内ROS的产生和IL-6和IL-8的表达.
- 当BCM-7与LPS结合使用时,这些效应被放大了.
- BCM-7改变了关键酶的表达:减少了COX-1,增加了COX-2,LOX-5,NOS3和PTGDS.
结论:
- 通过增强氧化应激和炎症反应,BCM-7有助于内皮功能障碍.
- LPS的存在使BCM-7对内皮细胞的有害影响变得更大.
- 研究结果强调BCM-7是心血管疾病发病的潜在因素.
相关概念视频
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
522
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
522
Regulation of Angiogenesis and Blood Supply
3.3K
Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits. Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
3.3K

