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Evaluation of Zebrafish Kidney Function Using a Fluorescent Clearance Assay
Published on: February 20, 2015
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Causal Effect of Kidney Function on Lipid Metabolism: An Integrated Population-Scale Observational Analysis and
Minsang Kim1, Jung Hun Koh1, Seong Geun Kim2
1Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea.
Kidney Medicine
|March 2, 2026
Summary
Reduced kidney function negatively impacts lipoprotein lipid profiles, increasing risks for cardiovascular issues. Monitoring lipid profiles in patients with impaired kidney function is crucial for better health outcomes.
Area of Science:
- Metabolomics and Cardiovascular Health
- Renal Function and Lipid Metabolism
- Genetic Epidemiology
Background:
- Kidney function significantly influences metabolic processes, including lipid metabolism.
- Detailed understanding of how kidney function affects lipoprotein subfractions is limited.
- Further research is needed to establish causal links between kidney function and metabolites.
Purpose of the Study:
- To investigate the causal effects of estimated glomerular filtration rate (eGFR) on detailed lipoprotein lipid subfractions.
- To integrate observational and Mendelian randomization (MR) analyses for robust causal inference.
- To explore the impact of kidney function on a wide range of metabolites.
Main Methods:
- Utilized integrated cross-sectional observational and two-sample Mendelian randomization (MR) analyses.
- Included 157,541 UK Biobank participants (aged 40-69 years).
- Employed multivariate linear regression for observational analysis and inverse-variance weighted method for MR analysis.
Main Results:
- Identified 25 metabolites causally associated with eGFR.
- Lower eGFR causally decreased high-density lipoprotein components and increased very low-density lipoprotein and intermediate-density lipoprotein triglycerides.
- Impaired kidney function was linked to altered lipoprotein particle concentrations, total lipids, and specific fatty acid and apolipoprotein ratios.
Conclusions:
- Decreased kidney function causally exacerbates lipoprotein lipid profiles.
- Clinicians should proactively monitor lipid profiles in individuals with impaired kidney function.
- Findings highlight the intricate relationship between renal health and cardiovascular risk factors.
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