相关实验视频
Updated: Jul 27, 2025

07:25
Transdermal Measurement of Glomerular Filtration Rate in Mice
Published on: October 21, 2018
22.0K
功能是循环乙-CoA结合蛋白/西结合抑制剂的主要预测因子
Robin Schürfeld1, Benjamin Sandner1, Annett Hoffmann1,2
1Medical Department III - Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, Leipzig, Germany.
Frontiers in endocrinology
|June 8, 2023
概括
血清乙-CoA结合蛋白 (ACBP) 在衰竭和急性功能障碍中显著升高,这表明保留是可能的原因. 这一发现突出了ACBP的重点.
科学领域:
- 内分泌学 在内分泌学.
- 腎臟病學 (nephrology) 是一種醫學.
- 代谢研究研究 代谢研究
背景情况:
- 乙-CoA结合蛋白 (ACBP) 是一种影响食物摄入和脂质代谢的内分泌因素.
- 在诸如败血症和全身炎症之类的代谢状态下,ACBP水平受到失调.
- 在功能受损的ACBP调节仍未得到研究.
研究的目的:
- 在患有功能衰竭 (KF) 和急性功能障碍 (AKD) 的个体中研究血清ACBP度.
- 探索ACBP和估计的膜过率 (eGFR) 之间的关系.
- 在慢性病 (CKD) 鼠标模型和体外脂肪细胞模型中评估ACBP mRNA表达.
主要方法:
- 用ELISA测量血清ACBP在60名血液透析和60名对照组KF患者中.
- 在人类AKD模型中评估的ACBP水平.
- mACBP mRNA表达在CKD小鼠组织和暴露在氧硫酸盐中的小鼠脂肪细胞中分析.
主要成果:
- 与对照组相比,KF患者的血清ACBP是KF患者的20倍以上 (p<0.001).
- eGFR是血清ACBP最强的逆预测因子 (β=-0.839;p<0.001).
- AKD增加了ACBP度近3倍 (p<0.001);升高的ACBP不是由于mRNA表达增加.
结论:
- 循环ACBP与功能相反相关,可能是由于保留.
- 需要对ACBP在诸如CKD之类的营养不良相关疾病中的进一步研究.
- 在调查ACBP时,未来的研究应该考虑功能标志物.
相关概念视频
Factors Affecting Renal Clearance: Renal Impairment
123
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...
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...
123
Drug Distribution: Plasma Protein Binding
5.8K
Drugs predominantly attach to plasma proteins, with only a small percentage remaining unbound. The unbound portion can be calculated as one minus the bound fraction. Acidic drugs form large, inactive complexes by reversibly binding to plasma albumin, which prevents them from diffusing across biological barriers. These drug-protein complexes act as reservoirs for the drugs. As the concentration of unbound drugs decreases, these complexes quickly dissociate to release the free drug, maintaining...
5.8K
Hepatic Drug Clearance: Effect of Protein Binding
255
Hepatic clearance is influenced by protein binding based on the drug's extraction ratio. Drugs with high extraction ratios are considered flow-limited and remain unaffected by protein binding during hepatic clearance. On the other hand, drugs with low extraction ratios may be impacted by plasma protein binding, although the extent of this influence depends on the fraction of the drug bound.
For low-extraction-ratio drugs that are less than 80% protein-bound, minor changes in protein binding...
For low-extraction-ratio drugs that are less than 80% protein-bound, minor changes in protein binding...
255
Factors Affecting Protein-Drug Binding: Patient-Related Factors
85
Protein-drug binding, a pivotal aspect of pharmacokinetics, is subject to considerable variability influenced by an array of patient-related factors. The intricate interplay of age, individual differences, and pathological conditions significantly impact the binding dynamics and subsequent pharmacological effects.
Age stands as a key determinant in protein-drug binding. Neonates, characterized by low albumin content, experience heightened concentrations of unbound drugs such as phenytoin and...
Age stands as a key determinant in protein-drug binding. Neonates, characterized by low albumin content, experience heightened concentrations of unbound drugs such as phenytoin and...
85
Renal Failure: Dose Adjustments
127
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...
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...
127
Factors Affecting Protein-Drug Binding: Protein-Related Factors
203
Drug binding to proteins is a key aspect of pharmacokinetics and can influence a drug's distribution, absorption, and elimination in the body. Several factors, including the drug's physiochemical properties, protein concentration, disease states, and the number of binding sites on the protein, influence this process.
The physicochemical properties of a drug play a significant role in its ability to bind to proteins. Lipophilic drugs, which dissolve in fats, oils, and lipids, can be...
The physicochemical properties of a drug play a significant role in its ability to bind to proteins. Lipophilic drugs, which dissolve in fats, oils, and lipids, can be...
203

