CDKN2B-AS1 rs2008465: Longevity and Healthspan Associations
The rs2008465 variant is a single nucleotide polymorphism located within the CDKN2B-AS1 gene locus. It has been identified in genetic research as a marker associated with human longevity and the potential for survival beyond 90 years of age.
What each genotype means
Typical longevity and cardiovascular risk
You carry two copies of the common C allele at this locus. In genome-wide association studies of longevity cohorts, this genotype is associated with baseline or typical rates of survival to extreme ages and standard age of onset for age-related cardiovascular conditions such as hypertension. Research findings reflect population-level statistical probabilities rather than personal lifespan determinations.
Found in approximately 60% to 70% of individuals of European descent, representing the most common genotype.
Modestly favorable longevity profile
You carry one copy of the longevity-associated minor T allele between the GRHL1 and KLF11 genes. Large studies of centenarians and long-lived cohorts have statistically associated this allele with enriched odds of extreme longevity and a delayed onset of hypertension and cardiovascular disease. Because longevity is shaped by many genetic and environmental factors, this variant represents only a small component of overall healthspan.
Carried by approximately 25% to 35% of individuals of European ancestry.
Favorable longevity profile
You carry two copies of the longevity-associated minor T allele. In genetic association studies of extreme survivors, homozygous carriers show enriched survival to advanced ages and a statistically lower risk or delayed onset of age-associated cardiovascular complications, including hypertension. These findings describe population-level statistical correlations and do not guarantee an extended lifespan or prevent disease on an individual level.
Present in roughly 2% to 6% of European populations, as homozygous carriage of the minor allele is relatively uncommon.
Understanding the rs2008465 Variant
The rs2008465 variant is a specific genetic change, or single nucleotide polymorphism (SNP), situated on chromosome 9. It resides within the CDKN2B-AS1 locus, a region known for producing long non-coding RNA. Unlike protein-coding genes that provide instructions for building specific proteins, non-coding regions like this often play regulatory roles, influencing how other genes are expressed within the cell. Because rs2008465 is located in a non-coding area, researchers study it to understand how it might modulate the activity of nearby genes, such as CDKN2B, which is involved in cell cycle regulation and senescence. By analyzing these variations, scientists aim to map the complex genetic architecture that contributes to human healthspan and the biological processes associated with aging.
The Role of the CDKN2B-AS1 Gene
The CDKN2B-AS1 gene, also known as ANRIL, is a well-studied locus in human genetics. It produces an antisense RNA molecule that interacts with proteins to regulate the expression of the CDKN2A and CDKN2B genes. These genes are critical for controlling cell division and preventing uncontrolled cell growth. Because of its regulatory function, variations in this region have been linked to a wide array of health conditions, ranging from cardiovascular disease to various types of cancer and glaucoma. In the context of longevity, the gene's influence on cellular senescence—the process by which cells stop dividing—is of particular interest. By modulating the pace at which cells age or undergo programmed death, the activity of this locus may contribute to the overall maintenance of tissue function over a long lifespan.
Longevity and Scientific Evidence
Research into human longevity often involves genome-wide association studies (GWAS) that compare the genetic profiles of individuals who reach extreme old age with those of the general population. The association between rs2008465 and longevity is considered to have moderate evidence strength. While some studies have highlighted this locus as a potential contributor to survival beyond the age of 90, it is important to note that longevity is a complex, polygenic trait. This means it is influenced by hundreds, if not thousands, of small genetic variations acting in concert with environmental factors, lifestyle choices, and stochastic biological events. Consequently, while rs2008465 is a statistically significant marker in certain cohorts, it does not act as a standalone 'longevity gene' that guarantees a specific health outcome.
Interpreting Your Genetic Information
If you have received information about your rs2008465 genotype, it is essential to view it within the context of current scientific limitations. Genetic associations identified in research studies represent statistical correlations across large groups of people, not individual medical predictions. Because this variant is associated with complex traits like longevity, it cannot be used to diagnose health conditions or predict your personal lifespan. You should never make medical decisions or changes to your lifestyle based solely on a single SNP result. If you have concerns about your health, family history, or aging, the most effective approach is to consult with a qualified healthcare provider or a genetic counselor. They can help you interpret your overall health profile, which includes your medical history, physical examinations, and other relevant clinical data.
How common is this variant?
The rs2008465 variant is considered common in European populations. Frequency data can vary significantly across different global ancestries, and researchers continue to study these distributions to better understand the variant's evolutionary history.
Frequently asked questions
Does having a specific rs2008465 genotype mean I will live longer?
No. Longevity is a complex trait influenced by many genetic and environmental factors. A single SNP like rs2008465 provides only a tiny fraction of the information regarding your healthspan.
Is rs2008465 a diagnostic test for aging?
No, it is not a diagnostic test. It is a genetic marker used in research to study the biological mechanisms of aging and is not used in clinical settings to assess an individual's health.
Where can I find more information about CDKN2B-AS1?
You can search the GWAS Catalog or the National Center for Biotechnology Information (NCBI) databases for peer-reviewed studies on this gene and its associated traits.
Should I change my diet based on this genetic result?
No. You should not change your diet or lifestyle based on a single genetic variant. Always consult with a healthcare professional or a registered dietitian for personalized health advice.
Sources & further reading
Educational information only, last refreshed 10/10/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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