Genome-wide association study and pathway analysis of healthy aging in Super Seniors.

Geroscience 2026

Hoque R, Leach S, Brooks-Wilson A

Abstract

Healthy aging is a complex process influenced by genetic, environmental, and lifestyle factors. Although prior genetic studies have identified loci associated with longevity, replication has often been limited by strong non-genetic influences. To investigate the genetic contributors to healthy aging, we performed a genome-wide association study (GWAS) and pathway analyses in 597 Super Seniors-individuals aged ≥ 85 years with no history of cancer, cardiovascular disease, diabetes, dementia, or major pulmonary disease-compared to 420 mid-life population-based controls that represent the population before selection for survival from age-related disorders. Candidate variant analyses confirmed known associations at the APOE locus, where APOE4 carriers had reduced odds of healthy aging (P = 0.0025), with stronger effects in females (P = 8.82 × 10⁻

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