CELSR2 rs602633: Genetics, Lipid Regulation, and Longevity
The rs602633 polymorphism is an intergenic genetic variant situated on chromosome 1p13.3 adjacent to the CELSR2 and PSRC1 genes. Large-scale genome-wide association studies have identified this locus as a key regulatory region influencing hepatic lipid clearance, low-density lipoprotein (LDL) cholesterol levels, and coronary artery disease risk. Intriguingly, research also demonstrates that alleles at this locus are significantly associated with variations in parental attained lifespan and extended healthspan.
What each genotype means
Baseline lipid regulation profile
This genotype represents the common variant at the CELSR2 locus. Research indicates that this locus is involved in hepatic lipid metabolism and the regulation of plasma LDL cholesterol levels. As this is a complex trait influenced by many genetic and environmental factors, this genotype should be viewed as part of a broader health context rather than a standalone indicator of longevity or disease risk.
This is a common genotype found in the majority of individuals across most global populations.
Intermediate lipid regulation profile
Carrying one copy of the T allele at this locus may be associated with variations in how the liver regulates lipoprotein export. Studies suggest that variants in the CELSR2-PSRC1-SORT1 region can influence plasma lipid levels, which are linked to cardiovascular health. You should discuss your overall cardiovascular risk profile and lipid management with your healthcare provider.
This heterozygous genotype is carried by a significant portion of the population, consistent with the reported minor allele frequency of 0.20-0.30.
Associated lipid regulation profile
This genotype is associated with the minor allele at the CELSR2 locus, which has been linked in genome-wide association studies to altered plasma LDL cholesterol levels. While this locus is implicated in lipid homeostasis and cardiovascular health, it is one of many factors contributing to these traits. Please consult with a clinician to interpret these findings in the context of your personal health history and standard lipid panel results.
This genotype is less common than the others, appearing in a smaller subset of the population consistent with the observed minor allele frequency.
Genomic Context and the 1p13.3 Locus
The single nucleotide polymorphism rs602633 is positioned on chromosome 1 in the 1p13.3 chromosomal band, situated in the intergenic space flanking the CELSR2 and PSRC1 genes, and closely upstream of SORT1. Historically, genetic variations in the 1p13.3 neighborhood have attracted extensive scrutiny due to their remarkably consistent associations with circulating lipid profiles in diverse human cohorts. In human genetics, intergenic variants often serve as functional regulatory switches rather than encoding altered protein structures directly. Molecular profiling indicates that variants in high linkage disequilibrium across this region act as expression quantitative trait loci (eQTLs), fine-tuning transcriptional activity in hepatic tissues. Because rs602633 resides within this tightly coordinated regulatory unit, variation at this specific site acts as a reliable genetic marker for the transcriptional regulation of adjacent metabolic genes.
Biological Mechanisms: CELSR2 and Hepatic Lipid Metabolism
The CELSR2 gene encodes cadherin EGF LAG seven-pass G-type receptor 2, a mammalian protein involved in tissue architecture, planar cell polarity, and cellular survival pathways. Although CELSR2 was traditionally characterized for its contributions to neural morphogenesis and ciliogenesis, contemporary molecular investigations show that the CELSR2-PSRC1-SORT1 cluster plays a critical functional role in liver lipid clearance. In human hepatocytes, expression alterations across this locus modulate the intracellular trafficking of apolipoprotein B-containing lipoproteins and impact cellular stress mechanisms, such as the unfolded protein response (UPR) in the endoplasmic reticulum. By shaping how the liver secretes and recycles low-density lipoprotein particles, the transcriptional output influenced by this chromosomal region establishes a systemic metabolic baseline that persists over decades.
Research Findings: Cardiovascular Risk, Healthspan, and Longevity
Large-scale biobank analyses, including extensive evaluations of hundreds of thousands of UK Biobank participants, have linked rs602633 to variation in human parental survival and cardiovascular health. Landmark longevity genome-wide association studies demonstrate that the less common allele at rs602633 correlates significantly with increased parental attained age (p = 2.7 x 10^-8). This finding is particularly notable because cardiovascular disease remains one of the principal causes of premature mortality worldwide. Because alleles at the 1p13.3 locus have been robustly associated with reduced circulating LDL cholesterol and decreased risk of coronary artery disease, researchers hypothesize that the longevity advantage conferred by this variant is largely driven by lifelong protection against atherosclerotic burden and cardiovascular deterioration.
Population Frequency and Diversity Considerations
The frequency of alleles at rs602633 demonstrates meaningful variability across global geographic ancestries. In cohorts of European ancestry, the minor allele typically presents at an estimated frequency between 0.20 and 0.30, meaning that heterozygous carriers make up a substantial proportion of these populations. However, allele frequencies, linkage disequilibrium patterns, and background genetic structures can vary considerably among individuals of African, East Asian, Hispanic, or South Asian descent. Furthermore, because the primary statistical power underlying the parental lifespan association derived from European-majority biobanks, direct effect sizes cannot be assumed to translate identically across all ancestral groups without targeted replication in ethnically diverse cohorts.
Interpreting Genetic Associations Responsibly
Understanding your rs602633 genotype provides insight into population-level statistical probabilities, but it does not represent a clinical diagnosis or a predetermined health outcome. Having an allele associated with longevity does not ensure immunity from cardiovascular conditions, nor does carrying the common reference genotype mean an individual is destined for accelerated cardiovascular decline. Human lifespan and cardiometabolic wellness are highly polygenic and heavily driven by lifestyle factors, including diet, physical activity, smoking cessation, and blood pressure control. This genetic information cannot replace standard clinical screening tools such as routine lipid panels. If you have questions about your personal cardiovascular risk, consult a licensed healthcare professional.
How common is this variant?
The minor allele at rs602633 has an estimated frequency of approximately 0.20 to 0.30 across European and cosmopolitan cohorts, with varying representation in broader ancestral populations.
Frequently asked questions
What is the biological connection between rs602633 and human longevity?
The rs602633 variant sits within the 1p13.3 gene regulatory region, which influences hepatic cholesterol processing and circulating LDL levels. Large cohort studies suggest that its link to longer parental lifespan is mediated through reduced lifelong cardiovascular burden and lower risks of coronary artery disease.
Does having the rs602633 longevity allele guarantee a longer life?
No. Genetics represents only one component of human healthspan, contributing an estimated 15% to 25% of overall lifespan variation. Environmental influences, regular exercise, healthy nutrition, and routine medical care exert far more direct control over individual longevity than any single genetic variant.
Can rs602633 replace routine clinical cholesterol tests?
No, genetic variants cannot substitute for standard diagnostic laboratory tests. While rs602633 provides statistical information regarding inherited metabolic tendencies, only a direct clinical lipid panel can measure your actual circulating cholesterol levels and guide appropriate clinical care.
Is the rs602633 variant considered a genetic mutation?
No, rs602633 is a common single nucleotide polymorphism present in tens of millions of people worldwide. It is a natural variation in the human genetic code that modulates gene expression levels rather than a deleterious or pathogenic disease-causing mutation.
Sources & further reading
Educational information only, last refreshed 9/5/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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