Obesity

Life‐course adiposity and severe liver disease: a Mendelian randomization analysis

Obesity (Silver Spring)Published Mendelian randomization study

Authors' conclusion

The current study provided genetic evidence on the associations between life-course adiposity and SLD.

Study context

Population
Genetic variants from genome-wide association studies; China Kadoorie Biobank
Comparison
Genetically predicted life-course adiposity and severe liver disease
Outcome
Severe liver disease (SLD; cirrhosis and liver cancer)
Methodological detailstwo-sample, meta-analysis of Mendelian randomization (MR) results, genetic risk score Cox regression in China Kadoorie Biobank
  • Two-sample
  • Meta-analysis of MR results
  • Genetic risk score Cox regression in China Kadoorie Biobank

Pooled result

As reported in the abstract

SLD (meta-analyses of MR results)

Genetically predicted 1-SD increase in birth weight: OR (95% CI) for severe liver disease (SLD), marginal significance

0.81

0.65–1.00

Genetically predicted 1-SD higher childhood BMI: OR (95% CI) for SLD

1.27

1.05–1.55

Genetically predicted 1-SD higher adulthood BMI: OR (95% CI) for SLD

1.79

1.59–2.01

Further pooled results

Observational analyses (genetic risk scores, China Kadoorie Biobank)

Genetic predispositions to childhood and adulthood adiposity were each associated with SLD
U-shaped association between adulthood weight change and risk of SLD

Liver biomarkers

Results of liver biomarkers mirrored those of SLD

Original publication

Life‐course adiposity and severe liver disease: a Mendelian randomization analysis. Obesity (Silver Spring). Published 23 October 2023. doi:10.1002/oby.23913

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