rs1002957030: Understanding This Genetic Signal for IgE Levels
The variant rs1002957030 is a single-nucleotide polymorphism (SNP) located in an intergenic region on chromosome 11. It has been identified in research as a novel genetic signal associated with serum immunoglobulin E (IgE) levels in the Taiwanese Han population.
What each genotype means
Typical IgE baseline
This genotype represents the most common genetic state at this location. Research in Taiwanese Han populations has identified this variant as a signal for serum IgE levels, but this specific genotype is generally considered the baseline against which other variations are measured.
This is the most common genotype observed in the Taiwanese Han population.
Potential IgE level variation
Carrying one copy of the variant allele has been associated with differences in serum IgE levels in studies of Taiwanese Han individuals. Because this is an intergenic variant, the exact biological mechanism influencing IgE is not fully understood, and these findings are specific to this ancestry.
This genotype is very rare, reflecting the low frequency of the variant allele in the general population.
Potential IgE level variation
Carrying two copies of the variant allele has been associated with differences in serum IgE levels in studies of Taiwanese Han individuals. As this variant is located in an intergenic region, its influence on IgE is likely regulatory, though the clinical significance remains a subject of ongoing research.
This genotype is extremely rare, as the variant allele is uncommon in most populations.
What is rs1002957030?
The rs1002957030 variant is a specific change in the DNA sequence located in an intergenic region of the human genome, specifically on chromosome 11q23.2. Intergenic regions are the stretches of DNA that lie between genes. While these areas do not code for proteins directly, they often contain regulatory elements that act like switches, controlling when and how much of a nearby gene is expressed. Because this SNP is located in a non-coding region, it is not a mutation that changes a protein's structure. Instead, researchers study such variants to see if they influence the activity of neighboring genes, which may in turn affect biological traits. In the case of rs1002957030, its location on chromosome 11 has made it a subject of interest in studies investigating the genetic architecture of immune system markers.
Association with IgE Levels
Scientific research, specifically a large-scale genome-wide association study (GWAS) involving the Taiwanese Han population, identified rs1002957030 as a novel signal linked to serum IgE levels. Immunoglobulin E (IgE) is an antibody produced by the immune system that plays a central role in allergic responses. Elevated levels of IgE are frequently observed in individuals with atopic conditions, such as asthma, atopic dermatitis, and allergic rhinitis. The study found that this variant reached genome-wide significance, suggesting a statistical correlation between the presence of this specific DNA change and variations in total IgE concentration in the blood. It is important to note that while this association is statistically significant, it represents a complex trait influenced by many genetic and environmental factors. The evidence for this association is currently categorized as moderate, reflecting the need for further replication across diverse global populations to fully understand its biological impact.
Population Frequency and Context
The rs1002957030 variant is classified as very rare. Genetic variants that are rare often have limited data available regarding their distribution across different ancestral groups. Most of the current evidence for this specific SNP comes from studies focused on East Asian populations, particularly the Taiwanese Han. Because genetic architecture can vary significantly between different ethnic groups due to historical migration and evolutionary pressures, the frequency of this variant may differ substantially outside of the populations studied to date. Researchers use large databases like the Taiwan Biobank to identify these signals, but because the variant is rare, it does not appear frequently in standard global reference panels. This rarity makes it challenging to determine if the association with IgE levels is universal or if it is specific to the genetic background of the populations where it was first discovered.
Interpreting Genetic Information
It is essential to understand that identifying a genetic variant like rs1002957030 does not constitute a medical diagnosis. Serum IgE levels are influenced by a wide array of factors, including environmental exposures, lifestyle, and the interaction of hundreds of other genetic variants. Having a specific genotype at this location does not mean an individual will develop an allergy or asthma, nor does it guarantee a specific IgE level. This information is primarily used in research settings to map the biological pathways of the immune system. If you have concerns about your IgE levels, allergy symptoms, or respiratory health, you should consult with a qualified healthcare provider or an allergist. They can perform clinical tests to assess your health status based on your symptoms and medical history, rather than relying on genetic markers alone. Genetic data should always be interpreted in the context of a comprehensive clinical evaluation.
How common is this variant?
The rs1002957030 variant is considered very rare, with most documented occurrences identified in East Asian populations, specifically the Taiwanese Han.
Frequently asked questions
What does it mean if a SNP is intergenic?
An intergenic SNP is located in the DNA sequence between genes. While these regions do not code for proteins, they often contain regulatory switches that control gene activity.
Does having this variant mean I have an allergy?
No. This variant is a statistical marker associated with IgE levels in research studies. It is not a diagnostic test for allergies or any other medical condition.
Why is this variant only found in certain populations?
Genetic variants often have different frequencies across populations due to historical migration and ancestry. This variant was identified in a Taiwanese Han study, and its prevalence in other groups may be different or unknown.
Can I use this information to change my medical treatment?
No. Genetic research findings are for educational purposes and do not provide medical advice. Always discuss any health concerns or treatment plans with your doctor.
Sources & further reading
Educational information only, last refreshed 10/29/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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