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相关概念视频

Factors Affecting Renal Clearance: Renal Impairment01:17

Factors Affecting Renal Clearance: Renal Impairment

48
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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Renal Corpuscle01:20

Renal Corpuscle

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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...
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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...
2.1K
Glomerular Filtration Rate and its Regulation01:28

Glomerular Filtration Rate and its Regulation

2.2K
The Glomerular Filtration Rate (GFR) is a measure of kidney function, reflecting the volume of filtrate formed per minute in the kidneys. On average, GFR is approximately 125 mL/min in males and 105 mL/min in females. Maintaining a relatively constant GFR is essential for the kidneys to effectively regulate body fluid homeostasis and maintain extracellular stability.
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...
2.2K
Dialysis01:27

Dialysis

252
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...
252
Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

60
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...
60

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相关实验视频

Updated: May 28, 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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血蛋白预测2型糖尿病中的功能轨迹.

Resham L Gurung1,2, Huili Zheng1, Jia Le Ivan Tan1

  • 1Clinical Research Unit, Khoo Teck Puat Hospital, Singapore 768828.

The Journal of clinical endocrinology and metabolism
|February 14, 2025
PubMed
概括

血蛋白预测2型糖尿病 (T2D) 的功能下降. 像KIM-1和MMP7这样的特定蛋白质与加速衰退有关,改善了估计的淋巴细胞过率 (eGFR) 轨迹的预测.

关键词:
生物标志物 生物标志物糖尿病 脏病 糖尿病 脏病蛋白质组学是指蛋白质组学.

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科学领域:

  • 腎臟病學 (nephrology) 是一種醫學.
  • 内分泌学 在内分泌学.
  • 蛋白质组学是指蛋白质组学.

背景情况:

  • 在2型糖尿病 (T2D) 患者中,估计的球透率 (eGFR) 降低显著变化.
  • 了解影响各种eGFR轨迹的因素对于治疗糖尿病病至关重要.

研究的目的:

  • 在T2D患者中识别与明显的eGFR下降模式相关的血蛋白.
  • 评估这些蛋白质对功能轨迹的预测价值.

主要方法:

  • 隐性类混合模型被用来识别T2D队列 (SMART2D和DN) 中的eGFR轨迹.
  • 蛋白质组分析使用多变量逻辑回归确定了与已识别的eGFR轨迹相关的血蛋白.
  • 模型的性能通过将已识别的蛋白质添加到传统风险因素中来评估.

主要成果:

  • 确定了三种eGFR轨迹:缓慢 (92.2%),渐进 (4.0%) 和加速 (3.8%) 的下降.
  • 加快下降与进展到末期脏病 (ESKD) 的最高风险有关.
  • 包括KIM-1,MMP7和VSIG4在内的19种蛋白质与加速衰退有关,THBD与逐渐衰退有关,独立于风险因素. 添加这些蛋白质改善了逐渐和加速下降的预测AUC.

结论:

  • 显著的血蛋白与T2D的渐进和加速的eGFR下降有关.
  • 这些蛋白质提供了超越传统心风险因素的eGFR轨迹的预测价值.
  • 识别新型蛋白质生物标志物可能有助于糖尿病病的早期检测和干预.