由于缺血/再输血和细胞外囊泡而导致的急性损伤
Mikkel Ørnfeldt Nørgård1, Per Svenningsen1
1Department of Molecular Medicine, University of Southern Denmark, DK-5000 Odense, Denmark.
International journal of molecular sciences
|October 28, 2023
概括
由于缺血-再输损伤 (IRI) 的急性损伤 (AKI) 涉及线粒体的活性氧物种 (ROS) 和细胞外囊泡 (EV). 了解电动汽车释放和货物是缓解AKI和开发生物标志物的关键.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 细胞生物学 细胞生物学
- 生物化学 生物化学
背景情况:
- 急性损伤 (AKI) 经常是缺血-再输液损伤 (IRI) 的结果.
- IRI破坏代谢,引发炎症和损伤,部分是通过线粒体的活性氧物种 (ROS).
- 线粒体ROS刺激脏上皮细胞释放细胞外囊泡 (EVs),使EVs参与AKI的发病.
研究的目的:
- 审查缺血/再输如何刺激中的EV分泌.
- 检查细胞特异性EV及其载荷在修改缺血-反损伤 (IRI) 过程中的作用.
- 识别和描述分析上皮质衍生的EVs的关键方法陷.
主要方法:
- 文献综述专注于IRI期间的EV分泌机制.
- 分析电动汽车及其分子载荷如何影响IRI.
- 讨论脏EV研究中的挑战和潜在混,特别是关于组织分析和细胞对细胞信号的讨论.
主要成果:
- 缺血-再输液损伤刺激外囊泡 (EV) 从上皮细胞释放.
- EVs含有RNA,脂质和蛋白质,这表明它们在中介损伤中的作用.
- 分析脏EV的方法问题可能会混细胞间通信和EV功能的数据.
结论:
- 意识到脏EV研究的方法陷对于准确的数据解释至关重要.
- 改进EV分析可以减轻误报的风险,以了解AKI的病原性.
- 精确的EV研究将增强EV作为AKI生物标志物或治疗点的潜力.
相关概念视频
Acute Kidney Injury II: Pathophysiology
10
Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
10
Acute Kidney Injury I: Introduction
14
Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
14
Acute Kidney Injury IV: Diagnostic Studies and Prevention
19
Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
19
Acute Kidney Injury V: Interprofessional Care
11
Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
11
Acute Kidney Injury III: Clinical Manifestations
13
Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
13
Acute Kidney Injury VI: Nursing Management
13
Acute Kidney Injury (AKI) results in an inability to maintain fluid, electrolyte, and acid-base balance. Effective nursing management is critical in improving patient outcomes and includes comprehensive patient assessment and targeted interventions.Comprehensive Patient AssessmentA detailed history collection is essential, focusing on any recent infections, nephrotoxic medication use, or chronic conditions such as hypertension and diabetes that may contribute to AKI. During the physical...
13


