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Related Experiment Videos

Dissecting the Causal Links Between Acne Vulgaris and Cardiometabolic Health Using Mendelian Randomization.

Caroline Brito Nunes1, Michael A Simpson2, Gunn-Helen Moen3

  • 1Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia.

The Journal of Investigative Dermatology
|May 26, 2026
PubMed
Summary

Acne vulgaris is inversely linked to cardiometabolic traits like BMI and metabolic syndrome, suggesting lower risk of these conditions may influence acne development. This study found no evidence that acne causes cardiometabolic issues.

Keywords:
Acne vulgarisCardiometabolic traitsGeneticsMendelian Randomization

Related Experiment Videos

Area of Science:

  • Genetics
  • Dermatology
  • Metabolic Health

Background:

  • Acne vulgaris is a common inflammatory skin condition with unclear links to cardiometabolic traits.
  • Adolescents are particularly affected by acne, with up to 85% experiencing the condition.

Purpose of the Study:

  • To investigate the genetic correlations and causal relationships between acne vulgaris and various cardiometabolic traits.
  • To determine if cardiometabolic traits influence acne development or vice versa.

Main Methods:

  • Utilized large-scale genome-wide association study (GWAS) summary statistics.
  • Employed linkage disequilibrium score regression (LDSC) for genetic correlation analysis.
  • Conducted bidirectional Mendelian Randomization (MR) to assess causality.

Main Results:

  • Significant inverse genetic correlations were found between acne and body mass index (BMI), body fat percentage (BFP), metabolic syndrome (MetS), type-2 diabetes, and triglycerides.
  • Higher BMI, BFP, and MetS showed causal effects on reduced acne risk.
  • Metabolic syndrome risk remained associated with reduced acne susceptibility even after adjusting for BMI or BFP.

Conclusions:

  • Shared genetic architecture exists between acne and cardiometabolic traits.
  • Lower BMI, BFP, and MetS risk appear to causally influence acne development.
  • Acne vulgaris does not appear to cause any cardiometabolic traits.