rs8122498: Understanding This Intronic Genetic Variant
The genetic variant rs8122498 is a single nucleotide polymorphism located within the non-coding regions of the human genome. It has been identified in genomic studies as being associated with the TPD52L2 gene, though its specific biological impact remains a subject of ongoing investigation.
What each genotype means
Typical metabolite profile
You carry two copies of the C allele at this locus in ABHD16B-AS1. Research cataloged in the GWAS Catalog has explored associations at this intronic site with metabolic and cellular measures like orotic acid levels, but evidence remains limited and statistical in nature. This genotype reflects standard baseline levels observed across human populations and does not indicate any medical condition.
Carried by approximately 30% to 50% of individuals in European and East Asian cohorts, but less frequent in African ancestries where the T allele is common.
Intermediate trait variation
You carry one C allele and one T allele at rs8122498. Genome-wide association scans suggest minor statistical shifts in metabolite metrics such as orotic acid levels, although clinical significance has not been demonstrated. The impact of carrying a single copy is considered minimal and represents typical human genomic diversity.
Found in roughly 40% to 50% of individuals across diverse global populations.
Alternate metabolite profile
You carry two copies of the T allele at this regulatory non-coding region. While GWAS studies show limited evidence associating this locus with variation in traits such as blood metabolite concentrations, this is a non-clinical association. Having this genotype is a common genetic trait rather than a diagnostic marker or cause of health problems.
Common in individuals of African ancestry (approx. 50% to 70%), while present in around 10% to 25% of European and Asian populations.
What is rs8122498?
The variant rs8122498 is a single nucleotide polymorphism (SNP), which is a variation at a single position in the DNA sequence among individuals. This specific SNP is classified as an intronic variant, meaning it is located within an intron—a non-coding region of a gene that is removed during the process of creating messenger RNA. Because it sits in a non-coding region, it does not directly alter the sequence of proteins produced by the body. Instead, researchers often study such variants to determine if they play a role in gene regulation, such as influencing how much of a protein is produced or when that production occurs. Located on chromosome 20, this variant is frequently tracked in large-scale genomic studies known as Genome-Wide Association Studies (GWAS), which look for statistical links between specific genetic markers and various human traits or conditions.
Association with TPD52L2
In the context of the GWAS Catalog, rs8122498 has been mapped to the TPD52L2 gene. TPD52L2, also known as Tumor Protein D52 Like 2, is part of a family of proteins that are often studied for their roles in cellular processes, including membrane trafficking and potential involvement in cancer biology. While the variant is associated with this gene in genomic scans, it is important to note that an association does not necessarily mean the variant causes a change in the gene's function. The evidence linking this specific SNP to clinical outcomes or biological traits is currently considered limited. Genomic research often identifies many such associations that require further functional validation in laboratory settings to understand the underlying mechanisms. Consequently, while the link to TPD52L2 is documented in public databases, the precise biological significance of this variant remains an area of active scientific inquiry.
Population Frequency and Ancestry
One of the notable characteristics of rs8122498 is that it displays significant allele frequency differentiation across different continental ancestry groups. In genomics, allele frequency refers to how common a specific version of a DNA sequence is within a population. When a variant shows strong differentiation, it means that the frequency of the variant differs substantially between groups, such as those of African, European, or East Asian descent. This type of variation is common in the human genome and can be influenced by historical population movements, natural selection, or genetic drift. Researchers monitor these frequency differences to better understand human evolutionary history and to ensure that genomic studies are representative of diverse populations. Because this variant is not uniform across the globe, individuals from different ancestral backgrounds may have different likelihoods of carrying specific genotypes at this position.
Interpreting Genomic Information
For the general public, encountering information about variants like rs8122498 can be confusing. It is essential to understand that having a particular genotype at this location is not a medical diagnosis. Most variants identified in GWAS are statistical markers rather than direct causes of disease. Because the evidence for rs8122498 is limited, it is not currently used in clinical settings to predict health outcomes or guide medical treatments. If you have received information about this variant from a genetic testing service, it is best to view it as a piece of data that contributes to our broader understanding of human genetics rather than as actionable health advice. Always consult with a qualified healthcare provider or a genetic counselor if you have concerns about your genetic information or if you are trying to understand how specific results might relate to your personal health history.
How common is this variant?
The variant rs8122498 demonstrates notable allele frequency differences across major continental ancestry groups, reflecting the diversity of human genetic architecture.
Frequently asked questions
Is rs8122498 linked to a specific disease?
While rs8122498 has been reported in GWAS scans, the evidence linking it to specific diseases is limited. It is currently considered a marker of interest in genomic research rather than a known cause of a specific medical condition.
What does it mean if I have the GG genotype?
Having a specific genotype like GG at this location simply means you carry two copies of the minor allele. Because this variant is not associated with a known clinical condition, this result does not have a direct impact on your health.
Should I be worried about this variant?
No, there is no reason to be concerned. Most genetic variants identified in large-scale studies are common variations that do not have significant effects on health or disease risk.
Where can I find more information about TPD52L2?
You can search for the TPD52L2 gene on resources like the NCBI Gene database or GeneCards. These sites provide comprehensive summaries of gene function, expression, and related research.
Sources & further reading
Educational information only, last refreshed 10/18/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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