GPAT3 rs1335344166: What Your Genotype Means
The genetic variant rs1335344166 is a single-nucleotide polymorphism located within the GPAT3 gene on chromosome 4. It is currently categorized as an intronic variant with limited evidence linking it to specific phenotypic traits.
What each genotype means
Typical genetic profile
This genotype represents the most common form of this variant observed in general population studies. Current research indicates that this specific intronic location in the GPAT3 gene is associated with various phenotypic traits, though the evidence remains limited and does not suggest a specific clinical condition.
This is the most frequently observed genotype across global populations.
Typical genetic profile
Carrying one copy of the minor allele at this position is a common variation within the GPAT3 gene. Because this variant is located in an intronic region, its functional impact on the GPAT3 protein is not well-defined, and current scientific literature does not link this genotype to any specific health outcomes or medical risks.
This genotype is found at low to moderate frequencies in most populations, though specific prevalence data is not widely recorded.
Typical genetic profile
This genotype represents the minor allele homozygote for this variant. While this site is cataloged in genome-wide association studies related to the GPAT3 gene, there is currently insufficient evidence to suggest that this specific genotype confers any distinct biological advantage or clinical risk.
This is the least common genotype for this variant, appearing infrequently across most studied ancestral groups.
Understanding the Variant
The variant rs1335344166 is a specific change in the DNA sequence located at position 4:83575604 on the human genome. In genetics, a single-nucleotide polymorphism, or SNP, represents a variation at a single position in a DNA sequence among individuals. This particular SNP is classified as an intronic variant, meaning it resides within an intron—a non-coding region of a gene that is removed during the process of creating messenger RNA. Because it is located in an intron, it does not directly alter the protein sequence produced by the gene. Instead, researchers study such variants to determine if they influence how the gene is regulated, expressed, or spliced. Currently, rs1335344166 is cataloged in genomic databases as being associated with the GPAT3 gene, which is situated in the 4q21.23 cytogenetic region.
The Role of the GPAT3 Gene
The GPAT3 gene encodes the protein glycerol-3-phosphate acyltransferase 3. This enzyme plays a critical role in the biosynthesis of lipids, specifically in the initial step of the glycerolipid synthesis pathway. By catalyzing the acylation of glycerol-3-phosphate, GPAT3 contributes to the formation of phosphatidic acid, which serves as a fundamental building block for more complex lipids, including triglycerides and phospholipids. These lipids are essential for cellular structure, energy storage, and signaling processes throughout the body. Because lipid metabolism is a complex biological system, variations in genes like GPAT3 are often investigated for their potential influence on metabolic traits. Understanding how this gene functions helps scientists hypothesize how genetic differences might contribute to variations in human physiology, though the specific functional impact of the rs1335344166 variant remains a subject of ongoing scientific inquiry.
Research and Evidence Strength
The evidence linking rs1335344166 to specific human traits is currently classified as limited. In the context of genome-wide association studies (GWAS), researchers look for statistical correlations between specific genetic variants and observable traits or conditions. While the GWAS Catalog identifies this variant as being associated with the GPAT3 gene, these associations are often preliminary. It is important to distinguish between a statistical association and a direct causal relationship. A variant may be associated with a trait simply because it is physically close to a functional variant on the chromosome, a phenomenon known as linkage disequilibrium. Because the evidence for rs1335344166 is limited, it has not been definitively linked to any specific clinical condition or health outcome. Further research, including functional studies and larger population-based analyses, is required to clarify the biological significance of this variant.
Interpreting Your Genetic Information
When you encounter information about variants like rs1335344166, it is essential to maintain a balanced perspective. Genetic data provides a snapshot of your biological blueprint, but it does not determine your health destiny. Most traits are polygenic, meaning they are influenced by the combined effects of many different genes, as well as environmental factors, lifestyle choices, and chance. Because the evidence for this specific variant is limited, it is not currently used in clinical settings to predict health outcomes or guide medical decisions. If you have received a report mentioning this variant, it is best viewed as a point of scientific interest rather than a diagnostic tool. You cannot change your genotype, but you can focus on well-established health practices, such as maintaining a balanced diet and regular physical activity, which support overall metabolic health regardless of your specific genetic variations.
How common is this variant?
There is currently no recorded population frequency data available for the rs1335344166 variant in major public genomic databases.
Frequently asked questions
What does it mean if a variant is in an intron?
An intronic variant is located in a non-coding part of a gene. While it does not change the protein structure directly, it may influence how the gene is turned on or off.
Is rs1335344166 linked to a specific disease?
Currently, there is no strong evidence linking this variant to any specific disease. The association evidence is considered limited and requires further research.
Should I be worried about my GPAT3 genotype?
No, there is no reason for concern. Genetic variants are common, and most have no significant impact on your daily health or well-being.
Can I use this information to change my diet?
Genetic information regarding this variant is not currently actionable for dietary planning. You should focus on general healthy eating habits recommended by health authorities.
Sources & further reading
Educational information only, last refreshed 10/12/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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