APOA5 rs3134406: Understanding This Lipid Metabolism Variant
The rs3134406 variant is a single nucleotide polymorphism located within the APOA5 gene, which plays a critical role in regulating plasma triglyceride levels. Research has investigated this variant for its potential associations with lipid metabolism and the severity of non-alcoholic fatty liver disease (NAFLD).
What each genotype means
Typical APOA5 variant profile
This genotype represents the common form of the rs3134406 variant in the APOA5 gene. Research into this specific site is limited, and it is not currently considered a primary driver of lipid metabolism disorders. As with all genetic traits, your overall health is influenced by a combination of many genes and lifestyle factors.
This is the most common genotype observed across most global populations.
Typical APOA5 variant profile
This genotype represents a heterozygous state for the rs3134406 variant. Current scientific literature provides limited evidence regarding the functional impact of this specific change on lipid metabolism or liver health. It is not considered a significant clinical marker for disease risk at this time.
This genotype is found at varying frequencies depending on ancestral background, but is generally less common than the homozygous major genotype.
Typical APOA5 variant profile
This genotype represents the homozygous minor state for the rs3134406 variant. While the APOA5 gene is known to play a role in triglyceride regulation, the specific association of this variant with clinical outcomes remains limited and inconclusive in current research. There is no evidence to suggest this genotype requires specific medical intervention.
This genotype is the least common of the three and is observed at low frequencies in most populations.
What is rs3134406?
The rs3134406 variant is a specific genetic change, or single nucleotide polymorphism (SNP), situated within the APOA5 gene. This gene is located on the long arm of chromosome 11 (11q23.3) in humans. In the context of genomics, a SNP represents a variation at a single position in the DNA sequence among individuals. Because rs3134406 resides within the APOA5 gene, researchers study it to determine if it influences the structure or expression of the resulting protein, apolipoprotein A-V. While many SNPs are neutral, those located in functional genes are often prioritized in studies to see if they correlate with specific physiological traits, such as how the body processes fats or lipids. Understanding the location of this variant helps scientists map its potential influence on metabolic pathways.
The Role of the APOA5 Gene
The APOA5 gene provides instructions for producing apolipoprotein A-V, a protein primarily synthesized in the liver. This protein is a key regulator of plasma triglyceride homeostasis. It functions by stimulating lipoprotein lipase, an enzyme responsible for breaking down triglycerides in the bloodstream. By enhancing the metabolism of triglyceride-rich particles, apolipoprotein A-V helps maintain healthy lipid levels. When the APOA5 gene is not functioning optimally, it can lead to elevated triglyceride levels, a condition known as hypertriglyceridemia. Because of its central role in lipid metabolism, the gene is a frequent subject of study in cardiovascular and metabolic research. Variations in this gene are often examined to understand why some individuals may be more predisposed to lipid-related health challenges than others.
Research and Evidence Strength
The association between rs3134406 and metabolic traits is currently considered to have limited evidence strength. While the broader APOA5 gene is well-established as a regulator of triglycerides, the specific impact of the rs3134406 variant is less definitive. Some studies have explored its potential role in the severity of non-alcoholic fatty liver disease (NAFLD), a condition characterized by the accumulation of fat in the liver. However, results across different populations have been mixed, and it is not currently used as a primary diagnostic marker. It is important to note that genetic associations are statistical in nature and do not imply a direct cause-and-effect relationship for every individual. Further large-scale, multi-ethnic studies are required to clarify the clinical significance of this specific variant and its contribution to metabolic health.
Population Frequency
The frequency of the rs3134406 variant is variable across different global populations. Genetic variants in the APOA5 gene often show distinct patterns of inheritance depending on ancestral background, which can influence how common a specific genotype is within a given group. Because population frequency data can fluctuate based on the specific cohort studied, it is difficult to assign a single global percentage to this variant. Researchers often look at these frequency differences to understand the evolutionary history of the gene and to ensure that medical research is representative of diverse groups. If you are interested in your own genetic makeup, it is helpful to remember that common variants are often shared across many populations, while others may be more localized.
Interpreting Your Genetic Information
Genetic information regarding variants like rs3134406 should be viewed as one piece of a much larger puzzle. Because the evidence linking this specific SNP to clinical outcomes is limited, it is not a tool for medical diagnosis or predicting individual health outcomes. Lifestyle factors, such as diet, physical activity, and overall metabolic health, play a significantly larger role in lipid levels and liver health than any single genetic variant. If you have concerns about your triglyceride levels, cardiovascular health, or liver function, the most effective approach is to consult with a healthcare professional. They can provide personalized guidance based on clinical blood tests and your medical history. Never use genetic data to make decisions about medication or treatment without first discussing them with your doctor or a qualified pharmacist.
How common is this variant?
The frequency of the rs3134406 variant is variable across different ancestral populations, with no single global frequency that applies universally.
Frequently asked questions
Is rs3134406 a cause of fatty liver disease?
No, rs3134406 is not considered a direct cause of fatty liver disease. While it has been studied for potential associations with liver health, the evidence is limited and does not establish a causative link.
Should I change my diet based on my APOA5 genotype?
You should not change your diet based on a single genetic variant. Always consult with a registered dietitian or your physician to create a nutrition plan that is appropriate for your specific health needs and blood work.
Can I use this SNP to predict my triglyceride levels?
No, this SNP cannot be used to accurately predict your triglyceride levels. Triglyceride levels are influenced by a complex combination of genetics, diet, exercise, and other environmental factors.
Where can I find more information about APOA5?
You can find reliable information about the APOA5 gene through resources like MedlinePlus Genetics or the NCBI Gene database. These platforms provide comprehensive summaries of gene function and related research.
Sources & further reading
Educational information only, last refreshed 9/28/2026. Not medical advice — these associations describe population statistics, not individual predictions.
Curious what your genotype is for rs3134406?
Upload a raw DNA file from 23andMe, AncestryDNA, MyHeritage, or FamilyTreeDNA and see this variant — plus thousands more — interpreted in your full report.
Get my report — $29