Anthropometric and cardio-metabolic trait variation and genetic associations in sub-Saharan Africa.

Genetic analysis of 27 traits in 2,124 sub-Saharan Africans uncovers over 100 significant SNP associations, many unique to African populations.

• Why it matters: Understanding genetic influences on complex traits in Africa is crucial to addressing healthcare disparities and improving personalized medicine for diverse populations.
• What they did: Researchers conducted dense genotype-based GWAS on diverse anthropometric and cardio-metabolic traits, revealing population-specific variants and correlations with genetic ancestry components.
• The result: Findings show many trait-associated variants are rare outside Africa, and admixture-based height predictions outperform European GWAS models, enabling better trait prediction in African populations.