Lipids & metabolic liver disease

Genetic dissection of serum vaspin highlights its causal role in lipid metabolism

Obesity (Silver Spring)Published Meta-analysis of genome-wide association studies with Mendelian randomization analyses

Authors' conclusion

The data show that serum vaspin is strongly determined by genetic variants within vaspin, which further highlight vaspin's causal role in lipid metabolism.

Study context

Population
Participants of six independent cohorts with serum vaspin measured
Participants
7,446 participants6 cohorts
Outcome
Genetic variants associated with serum vaspin
Methodological detailssix independent cohorts, Genotype-Tissue Expression (GTEx) gene expression analysis, in vivo db/db mouse experiment
  • Six independent cohorts
  • GTEx gene expression analysis
  • In vivo db/db mouse experiment

Pooled result

As reported in the abstract

Genetic variants within vaspin locus associated with serum vaspin (5 independent variants: rs7141073, rs1956709, rs4905216, rs61978267, rs73338689; all p < 5×10-8)

468

Explained variance

16.8%

Further pooled results

Mendelian randomization (MR): serum vaspin and lipid traits

Causal relationships between serum vaspin and TG, low-density lipoprotein and total cholesterol

Gene expression correlation (GTEx)

Genes highly correlated with vaspin expression in adipose tissue enriched in lipid metabolic processes

In vivo vaspin treatment in obese db/db mice

Vaspin treatment reduced serum TG

Original publication

Genetic dissection of serum vaspin highlights its causal role in lipid metabolism. Obesity (Silver Spring). Published 26 September 2023. doi:10.1002/oby.23882

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