ABO rs514659: What Your Genotype Means for Healthspan
The genetic variant rs514659 is a single nucleotide polymorphism located in the ABO gene on chromosome 9. In genome-wide association studies, it serves as a tagging variant linked to human longevity phenotypes, parental attained age, and vascular health. However, its overall clinical evidence strength remains limited, reflecting complex statistical associations rather than direct medical predictions.
What each genotype means
Baseline longevity association
This genotype represents the non-risk allele configuration for this specific variant. Research suggests that individuals with this profile do not carry the specific ABO variant associated with increased risk for certain vascular conditions in some studies. As this is a complex trait, your overall healthspan is influenced by many other genetic and lifestyle factors.
This is the most common genotype in many European populations.
Intermediate longevity association
Carrying one copy of the C allele has been studied in the context of vascular health and longevity. Some research indicates that this variant may be linked to differences in lipid homeostasis or cardiovascular risk markers, though the evidence remains limited and context-dependent. You should focus on established cardiovascular health metrics and discuss any specific concerns with your healthcare provider.
This heterozygous genotype is found in a significant portion of the population, reflecting the common nature of this variant.
Potential vascular risk association
The C allele has been identified in some studies as a risk-associated variant linked to markers of cardiovascular health and longevity. While these associations have been observed in large-scale genomic research, they are statistical in nature and do not predict individual outcomes. Maintaining a heart-healthy lifestyle is recommended, and you should consult with a clinician regarding standard cardiovascular screenings.
This genotype is less common than the A/A or A/C configurations in many European cohorts.
Genomic Context and the ABO Gene
The single nucleotide polymorphism rs514659 is situated on chromosome 9 within the ABO gene locus. The ABO gene encodes glycosyltransferase enzymes responsible for attaching specific sugar molecules to protein and lipid backbones, giving rise to human A, B, and O blood groups. While these antigens are most famous for defining erythrocyte compatibility in transfusion medicine, they are also expressed across endothelial cells, platelets, and sensory neurons. Because of its location in this biologically complex region, rs514659 often functions as a linkage marker tag that correlates with specific ABO haplotypes and systemic physiological processes.
Vascular Biology and Longevity Associations
Genetic epidemiology studies have linked variation at the ABO locus, including rs514659, to parental attained age, healthspan, and vascular survival. The biological hypothesis connecting ABO variation to longevity largely centers on vascular biology. ABO glycosyltransferases modify key circulating glycoproteins, most notably von Willebrand factor (vWF) and coagulation factor VIII, which are maintained at roughly 25% lower plasma levels in individuals with blood group O. Because elevated coagulation factors increase the risk of arterial and venous thrombosis, variation at this locus indirectly tracks lifetime cardiovascular and thrombotic risk profiles.
Strength of Scientific Evidence and Mixed Findings
The scientific evidence connecting rs514659 to lifespan and longevity is classified as limited and should be interpreted with caution. While large biobank-scale meta-analyses tracking parental lifespan observe reproducible statistical signals at the ABO locus, direct observational studies in centenarian cohorts show conflicting results. Some regional centenarian investigations report an enrichment of specific non-O alleles, while others find an inverse relationship or no significant effect at all. This heterogeneity indicates that the allele’s influence on longevity is modest, complex, and potentially modulated by ancestral backgrounds, regional cardiovascular disease burdens, and environmental factors.
Population Frequency and Ancestral Differences
Allele frequencies for rs514659 and other ABO tagging variants vary substantially across global populations due to distinct evolutionary pressures, including historical infectious disease selection. In European reference cohorts, the minor allele frequency of rs514659 is approximately 0.20, meaning that roughly one in five chromosomes carries the minor variant. Across non-European cohorts, haplotype frequencies and linkage disequilibrium patterns can differ markedly. Because the variant's correlation with functional blood group alleles is population-dependent, findings discovered in European populations cannot be universally generalized without ancestry-specific genomic context.
Navigating Personal Genetic Data Responsibly
Learning your rs514659 genotype provides an educational glimpse into population genetics, but it cannot predict your personal lifespan or diagnose health conditions. Common genetic variants identified in longevity genome-wide association studies each exert tiny relative effects that are heavily outweighed by lifestyle, diet, exercise, and overall medical care. Furthermore, rs514659 should not be used as a clinical substitute for standard serological ABO blood typing or laboratory-based thrombotic risk assessments. Discuss any concerns regarding cardiovascular risk or health management with a qualified healthcare professional.
How common is this variant?
The rs514659 minor allele has an estimated frequency of approximately 0.20 in European cohorts, though global frequencies vary significantly across different ancestral groups due to regional evolutionary selection at the ABO locus.
Frequently asked questions
Can the rs514659 genotype tell me my exact blood type?
No, rs514659 is a single tagging variant and does not by itself determine your clinical ABO blood type. Determination of ABO blood group requires examining multiple functional coding variants across the ABO gene or undergoing standard laboratory serology testing.
Does having a specific rs514659 allele guarantee a longer life?
No. Genetic variants linked to longevity in population studies confer extremely small relative odds that only become visible when pooling hundreds of thousands of people. An individual's healthspan is primarily influenced by lifestyle factors, environment, and comprehensive healthcare.
Why is the ABO gene linked to cardiovascular health and longevity?
The ABO gene regulates glycosylation of key circulating proteins, such as von Willebrand factor and factor VIII, which influence blood clotting. Variations that modulate lifetime levels of these clotting factors can slightly adjust statistical risks for cardiovascular and thrombotic events over a lifespan.
Should I modify any medications based on my rs514659 genotype?
No, you should never start, stop, or change any medication dosages based on this educational variant. If you have questions about cardiovascular health or medication response, consult your physician or a licensed pharmacist.
Sources & further reading
Educational information only, last refreshed 9/9/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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Variant in the ABO blood group locus associated with plasma alkaline phosphatase levels and blood group determination.
A missense variant (Leu266Met) in the ABO gene that, in combination with other SNPs, determines ABO blood group status and is associated with cardiovascular and metabolic traits.
A common variant in the ABO blood group locus robustly associated with circulating levels of soluble adhesion molecules (sICAM-1) and venous thromboembolism risk.
Located near the ABO locus and associated in GWAS with circulating lipid levels and markers of cardiovascular disease risk.
This single nucleotide polymorphism in the ABO locus is strongly associated with circulating E-selectin, soluble ICAM-1 levels, and thrombosis risk.
Regulatory variant at the ABO locus influencing plasma von Willebrand factor levels and venous thromboembolism risk.