Prioritizing protein targets for dyslipidaemia and cardiovascular diseases using Mendelian randomization in South Asians
2024

Identifying Protein Targets for Heart Disease in South Asians

Sample size: 920 publication 10 minutes Evidence: moderate

Author Information

Author(s): Wu Siwei, Smith Alexander, Huang Jingxian, Otto Georg W., Ko Yi-Hsuan, Yarmolinsky James, Gill Dipender, Rohatgi Anand, Dehghan Abbas, Tzoulaki Ioanna, Meena Devendra

Primary Institution: Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK

Hypothesis

We aimed to identify protein targets for dyslipidaemia and cardiovascular diseases in South Asians.

Conclusion

The study identified several proteins linked to lipid levels and cardiovascular disease risk in South Asians, highlighting significant differences compared to Europeans.

Supporting Evidence

  • 29 genetically proxied proteins were identified as potentially causal to at least one lipid measure.
  • 12 proteins showed strong colocalization and GMR evidence.
  • PCSK9 demonstrated a stronger association with LDL-C in Europeans compared to South Asians.

Takeaway

Scientists studied proteins in South Asians to find out which ones might help with heart disease and high cholesterol. They found some proteins that are important for these health issues.

Methodology

The study used a two-sample Mendelian randomization approach to evaluate the effect of 2,800 plasma proteins on lipid traits and cardiovascular disease.

Potential Biases

Unaccounted pleiotropy may still bias the results.

Limitations

The genetic associations for plasma proteins in South Asians were based on a relatively small sample size, and larger studies are needed for validation.

Participant Demographics

Participants were of South Asian ancestry, specifically Central/South Asian.

Statistical Information

P-Value

p<0.05

Confidence Interval

(0.11, 0.21)

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1101/2024.12.18.24319223

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