ELOVL2 rs953413: What Your Genotype Means
The rs953413 variant is a common genetic change located in the ELOVL2 gene. It is associated with differences in how efficiently the body converts certain omega-3 fatty acids, specifically the elongation of EPA into DHA.
What each genotype means
Less favorable omega-3 response
Research indicates that the G allele is the major allele for this variant. Individuals with the GG genotype may experience a less favorable response to EPA and DHA supplementation, which can influence the balance of omega-3 and omega-6 fatty acids in the body. Please discuss your nutritional status and any supplementation plans with your clinician or a registered dietitian.
This is the most common genotype for this variant across most global populations.
Potential for altered omega-3 metabolism
This genotype represents a heterozygous state for the rs953413 variant. Studies suggest that the T allele is associated with differences in how the body processes omega-3 fatty acids compared to the major G allele. You may wish to consult with a healthcare provider to determine if your dietary intake of omega-3s is optimal for your specific metabolic profile.
This genotype is found at a moderate frequency in many populations, though exact percentages vary by ancestry.
Potential for altered omega-3 metabolism
This genotype represents the homozygous minor state for the rs953413 variant. Research suggests that this variant influences the ELOVL2 enzyme's role in elongating long-chain polyunsaturated fatty acids, which may affect your omega-3 status. Because this can impact inflammatory markers and fatty acid balance, consider discussing your nutritional needs with a qualified healthcare professional.
This is the minor genotype and is generally less common than the GG or GT genotypes across most studied populations.
Understanding the rs953413 Variant
The rs953413 variant is a single nucleotide polymorphism (SNP) located within the ELOVL2 gene on chromosome 6. In genetics, a SNP represents a variation at a single position in the DNA sequence. This specific variant is situated in an intronic region, meaning it lies within a non-coding part of the gene. Despite being in an intron, research indicates that rs953413 may influence gene expression. Studies suggest that the G allele of this variant can alter the binding of specific transcription factors, such as FOXA1, FOXA2, and HNF4α, to an enhancer element. By modulating how these proteins interact with the DNA, the variant can influence the overall expression levels of the ELOVL2 gene, which in turn affects the metabolic pathways the gene controls.
The Role of the ELOVL2 Gene
The ELOVL2 gene encodes the ELOVL fatty acid elongase 2 enzyme. This enzyme plays a critical role in the synthesis of long-chain polyunsaturated fatty acids (LC-PUFAs). Specifically, it is responsible for the elongation process, where shorter-chain fatty acids are converted into longer-chain versions. A primary function of this enzyme is the conversion of eicosapentaenoic acid (EPA) into docosahexaenoic acid (DHA). These omega-3 fatty acids are essential components of cell membranes and are involved in various physiological processes. Because the ELOVL2 enzyme is a key gatekeeper in this biochemical pathway, variations in the gene that affect its expression or efficiency can lead to observable differences in the proportions of these fatty acids circulating in an individual's plasma.
Research and Evidence Strength
The association between rs953413 and fatty acid metabolism is supported by moderate evidence from various genome-wide association studies (GWAS) and clinical trials. Researchers have observed that individuals with different genotypes at this site show variations in their plasma levels of EPA and DHA. Some studies suggest that the variant influences the body's response to fish oil supplementation, with certain genotypes showing a more pronounced increase in plasma DHA levels compared to others. However, it is important to note that these findings can be inconsistent across different populations and study designs. Factors such as baseline diet, total caloric intake, and the presence of other genetic variants in the FADS gene cluster can also influence these metabolic outcomes. Consequently, while the link is statistically significant in many cohorts, the effect size can vary, and the clinical implications remain a subject of ongoing research.
Population Frequency
The rs953413 variant is considered a common genetic marker, meaning it is found at relatively high frequencies across many global populations. While specific allele frequencies can fluctuate depending on ancestral background, it is widely distributed, allowing researchers to study its effects in diverse groups of people.
Interpreting Your Genetic Information
Understanding your genotype for rs953413 provides insight into your biological predisposition for processing omega-3 fatty acids, but it does not serve as a medical diagnosis. Genetic associations are statistical in nature and describe trends across large groups of people rather than predicting an individual's specific health outcome. Many factors, including your overall diet, lifestyle, and other genetic markers, play a much larger role in your nutritional status than any single SNP. If you are concerned about your omega-3 levels or are considering dietary supplements, it is essential to discuss these topics with a qualified healthcare provider or a registered dietitian. They can evaluate your specific health needs, review your dietary habits, and provide personalized guidance that is far more accurate than information derived from a single genetic variant.
How common is this variant?
The rs953413 variant is a common polymorphism found across diverse ancestral populations, with both the A and G alleles appearing at significant frequencies globally.
Frequently asked questions
Does my rs953413 genotype mean I need more fish oil?
No, your genotype does not provide a specific medical recommendation for supplement dosage. Nutritional needs are complex and depend on your overall diet, health status, and blood levels of fatty acids, which should be assessed by a healthcare professional.
Is rs953413 a disease-causing mutation?
No, rs953413 is a common genetic variant associated with a quantitative trait, which means it influences the levels of certain substances in the body. It is not considered a mutation that causes a specific genetic disease.
Can I change my ELOVL2 gene expression?
While you cannot change your DNA sequence, gene expression is dynamic and influenced by many environmental factors, including diet and lifestyle. However, there is no simple way to 'target' the expression of this specific gene through lifestyle changes alone.
Where can I get my omega-3 levels tested?
If you are interested in knowing your current omega-3 status, you should consult your primary care physician. They can order appropriate blood tests to measure your fatty acid profile and provide advice based on your clinical history.
Sources & further reading
Educational information only, last refreshed 10/8/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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