Abstract
AIMS: We examined the association of the G allele in the single-nucleotide polymorphism (SNP) rs738409 in the third exon of patatin-like phospholipase domain-containing 3 gene (PNPLA3) gene, with chronic kidney disease in diabetes endotypes.
METHODS: Participants with recent-onset diabetes (n = 707) from the prospective German Diabetes Study (GDS) underwent cluster assignment, detailed phenotyping, genotyping and magnetic resonance spectroscopy to quantify hepatocellular lipid content (HCL).
RESULTS: Severe insulin-resistant diabetes (SIRD) had the lowest glomerular filtration rates (eGFR) and highest HCL compared to severe insulin-deficient, moderate obesity-related, moderate age-related and severe autoimmune diabetes endotypes (all p < 0.05). HCL was negatively associated with eGFR (r = -0.287, p < 0.01) across all groups. Stratification by G-allele carrier status did not reveal any association between HCL and eGFR among the endotypes. However, the proportion of G-allele carriers increased from 44 % for eGFR >60 ml/min to 52 % for eGFR <60 ml/min (p < 0.05).
CONCLUSIONS: The PNPLA3 polymorphism may contribute to declining kidney function independently of liver lipids.
| Original language | English |
|---|---|
| Pages (from-to) | 103137 |
| Journal | Diabetes and Metabolic Syndrome: Clinical Research and Reviews |
| Volume | 18 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - Oct 2024 |
| Externally published | Yes |
Keywords
- Humans
- Male
- Female
- Polymorphism, Single Nucleotide
- Middle Aged
- Lipase/genetics
- Glomerular Filtration Rate
- Membrane Proteins/genetics
- Prospective Studies
- Adult
- Diabetes Mellitus, Type 2/genetics
- Renal Insufficiency, Chronic/genetics
- Follow-Up Studies
- Prognosis
- Genotype
- Biomarkers/analysis
- Insulin Resistance/genetics
- Acyltransferases
- Phospholipases A2, Calcium-Independent
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