Taking a lifespan approach to polygenic scores

Area of Science:

• Genetics
• Developmental Biology
• Population Studies

Background:

• Genome-wide association studies (GWASs) are crucial for understanding genetic contributions to human traits and diseases.
• Current GWAS efforts often underrepresent critical life stages, particularly infancy and old age.
• This gap limits comprehensive genetic analyses across the entire human lifespan.

Purpose of the Study:

• To advocate for the inclusion of underrepresented age groups in genome-wide association studies.
• To highlight the potential of expanded GWASs for investigating developmental trajectories.
• To emphasize the need for genetic research that spans the full human lifespan.

Main Methods:

• This is a commentary, not an empirical study; therefore, no specific methods were applied.
• The commentary calls for a strategic shift in research practices.
• It emphasizes the conceptual framework for future genetic research.

Main Results:

• Expanding GWASs to include infancy and elderly populations is feasible and necessary.
• Incorporating diverse age groups will unlock new avenues for developmental research.
• Genetic data from all life stages can illuminate developmental pathways.

Conclusions:

• Future genome-wide association studies must broaden their age inclusivity.
• Integrating data across the lifespan will significantly advance our understanding of human development.
• This inclusive approach is essential for comprehensive genetic research.