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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.
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In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
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The one-compartment open model leverages urinary excretion data to estimate renal clearance, which gauges the kidney's capacity to expel a drug. This method offers several benefits, including directly measuring drug elimination and assessing the kidney's contribution to overall drug clearance. However, this approach has limitations. It assumes sole renal excretion of the drug, which is not true for all drugs. Accurate urinary excretion and plasma drug concentration measurement can also...
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Related Experiment Video

Updated: Jul 5, 2025

Assessment of Kidney Function in Mouse Models of Glomerular Disease
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Coffee consumption affects kidney function based on GCKR polymorphism in a Korean population.

Min-Jeong Kim1, Hyun-Seok Jin2, Yong-Bin Eom3

  • 1Department of Medical Sciences, Graduate School, Soonchunhyang University, Asan, Chungnam 31538, Republic of Korea.

Nutrition Research (New York, N.Y.)
|January 12, 2024
PubMed
Summary
This summary is machine-generated.

Coffee consumption may protect kidney function, but this effect depends on your genes. The GCKR rs1260326 genotype influences how coffee impacts chronic kidney disease (CKD) risk and kidney function.

Keywords:
Chronic kidney diseaseCoffee consumptionEstimated glomerular filtration rateGCKR polymorphismRs1260326

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Area of Science:

  • Genetics and Nephrology
  • Nutritional Epidemiology

Background:

  • Lifestyle factors, including coffee consumption, can influence kidney function.
  • Genetic variations may modify the relationship between coffee and kidney health.
  • The GCKR rs1260326 polymorphism has known associations with coffee intake and kidney function in European populations.

Purpose of the Study:

  • To investigate the gene-diet interaction between coffee consumption and kidney function.
  • To examine the role of the GCKR rs1260326 polymorphism in modulating the effects of coffee on chronic kidney disease (CKD) risk.
  • To replicate and extend previous findings in a Korean population.

Main Methods:

  • Utilized Korean genome and epidemiology data.
  • Included 656 chronic kidney disease (CKD) cases and 38,540 non-CKD individuals.
  • Employed multivariate logistic regression analysis to assess coffee consumption's effect on kidney function based on GCKR rs1260326 genotype.

Main Results:

  • Individuals with the GCKR rs1260326 (TC/CC) genotype showed no significant change in CKD risk with varying coffee consumption.
  • Individuals with the TT genotype had a significantly lower risk of CKD associated with coffee consumption.
  • In the non-CKD group, increased coffee consumption was linked to improved estimated glomerular filtration rate (eGFR) in individuals with the T allele.

Conclusions:

  • The study supports the hypothesis that GCKR rs1260326 genotype influences the impact of coffee consumption on kidney function.
  • Coffee consumption may offer a protective effect on kidney function, particularly for individuals with the GCKR rs1260326 T allele.
  • Findings highlight the importance of considering genetic factors in personalized recommendations for coffee intake and kidney health.