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相关概念视频

Factors Affecting Renal Clearance: Renal Impairment01:17

Factors Affecting Renal Clearance: Renal Impairment

95
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
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Nephrons01:10

Nephrons

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The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
2.5K
Renal Corpuscle01:20

Renal Corpuscle

2.2K
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...
2.2K
Dialysis01:27

Dialysis

319
Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
319
Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

92
In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
92
Drug Elimination by Renal Route: Glomerular Filtration01:17

Drug Elimination by Renal Route: Glomerular Filtration

5.7K
The kidney serves as the primary organ responsible for eliminating drugs and their metabolites from the body. This process, known as renal elimination, starts with glomerular filtration and results in urine formation. Each kidney houses millions of functional units called nephrons, where urine production takes place. A nephron has two main components: a renal corpuscle and a renal tubule. Drugs gain access to the kidney via the renal artery, which progressively branches off into afferent...
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相关实验视频

Updated: Jul 5, 2025

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice
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Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

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与功能下降和发生CKD相关的循环代谢物:一个基于人口的多平台研究.

Anna C van der Burgh1, Sven Geurts1, Shahzad Ahmad1

  • 1Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands.

Clinical kidney journal
|January 12, 2024
PubMed
概括

这项研究发现了许多与功能和慢性病 (CKD) 风险相关的循环代谢物. 虽然这些代谢物可以作为生物标志物,但它们似乎没有因果关系到CKD的发展.

关键词:
专辑蛋白尿症是什么意思慢性脏疾病 慢性脏疾病球膜过率是指球膜的过率功能 功能 功能代谢生物组的代谢生物组

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Assessment of Vascular Function in Patients With Chronic Kidney Disease
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Identification of the Source of Secreted Proteins in the Kidney by Brefeldin A Injection
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相关实验视频

Last Updated: Jul 5, 2025

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice
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Assessment of Vascular Function in Patients With Chronic Kidney Disease
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Identification of the Source of Secreted Proteins in the Kidney by Brefeldin A Injection
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科学领域:

  • 代谢学 代谢学 代谢学
  • 功能评估 功能评估
  • 生物标志物发现发现

背景情况:

  • 循环中的代谢物提供了对功能和慢性病 (CKD) 病理生理学的潜在见解.
  • 识别新的生物标志物对于早期发现和治疗病至关重要.

研究的目的:

  • 调查循环代谢物和功能之间的关联.
  • 探索这些代谢物的潜力,作为CKD风险的生物标志物.
  • 使用孟德尔随机化来评估代谢物和功能之间的因果关系.

主要方法:

  • 利用了基于人口的鹿特丹研究的数据,包括来自Nightingale和Metabolon平台的代谢物概况.
  • 使用线性回归,线性混合效应模型和Cox比例风险回归来分析关联.
  • 进行双向双样本的孟德尔随机化,以推断因果关系.

主要成果:

  • 分析了1381种代谢物;大量的代谢物显示出与估计的膜过率 (eGFR) 和尿中白与肌素比率 (ACR) 的关联.
  • C-glycosyltryptophan和X-12026显示出与CKD风险的最强相关性.
  • 鉴定的代谢物和功能之间没有发现因果关系,这表明生物标志物而不是因果作用.

结论:

  • 几种循环代谢产物与功能和CKD风险有显著的关联.
  • 这些代谢物作为健康的潜在生物标志物具有前途.
  • 该研究没有确定这些代谢物在功能下降的病理生理学中的因果作用.