EMSY rs2212434: Understanding Your Genetic Variant
The rs2212434 variant is a genetic marker located in the region of the EMSY and LRRC32 genes on chromosome 11. It has been identified through genome-wide association studies as being statistically linked to an increased susceptibility to food allergies and other atopic conditions.
What each genotype means
Baseline allergy risk
This genotype represents the more common version of the variant in many populations. Research indicates that the EMSY-LRRC32 region is associated with food allergy susceptibility, and this specific genotype is generally considered the baseline against which risk is measured. It does not imply an absence of risk, as food allergy is a complex condition influenced by many genetic and environmental factors.
This is the most common genotype in European populations, where the minor allele frequency is approximately 0.36.
Increased allergy risk marker
Carrying one copy of the T allele at this position has been identified in genome-wide association studies as a genetic risk factor for food allergy and related allergic conditions. This variant is thought to play a role in the epigenetic regulation of genes involved in mucosal barrier function. You should discuss any concerns regarding food allergies or sensitization with a qualified healthcare provider.
This heterozygous genotype is common, appearing in a significant portion of individuals of European ancestry.
Elevated allergy risk marker
Carrying two copies of the T allele is associated with a higher statistical likelihood of food allergy and allergic sensitization compared to those without the variant. The association is linked to the EMSY-LRRC32 region, which is involved in immune and barrier regulation. This finding is based on population-level data and should be interpreted as one of many factors contributing to individual health; consult a clinician for personalized medical advice.
This genotype is less common than the heterozygous state but is present in a notable percentage of the European population.
What is rs2212434?
The variant rs2212434 is a single nucleotide polymorphism (SNP) located on chromosome 11 at position 76,570,549 (GRCh38). It sits in an intergenic region, meaning it is located in the DNA sequence between two genes, specifically near the EMSY and LRRC32 genes. In genetics, SNPs are the most common type of genetic variation among people, representing a difference in a single building block of DNA, known as a nucleotide. While this specific variant does not sit directly inside the protein-coding sequence of a gene, its location in the EMSY-LRRC32 region is significant. Researchers study such variants to understand how non-coding DNA might influence the regulation of nearby genes, potentially affecting how the body responds to environmental triggers like food proteins.
The Role of the EMSY-LRRC32 Region
The EMSY gene, also known as the EMSY transcriptional repressor, is involved in complex cellular processes, including the regulation of gene expression and interaction with proteins like BRCA2. Nearby, the LRRC32 gene (also known as GARP) plays a critical role in the function of regulatory T-cells, which are essential for maintaining immune tolerance and preventing excessive inflammation. Because this region is involved in both epigenetic regulation and the maintenance of the mucosal barrier, variations here are hypothesized to influence how the immune system distinguishes between harmless food proteins and potential threats. Research suggests that disruptions or variations in this genomic neighborhood may contribute to a heightened sensitivity in the mucosal barrier, which is a hallmark of allergic sensitization.
Research and Evidence Strength
The association between rs2212434 and food allergy is supported by strong evidence from large-scale genome-wide association studies (GWAS). These studies compare the DNA of individuals with a specific condition to those without it to find statistical patterns. The rs2212434 variant has reached genome-wide significance, with p-values as low as 9.2 x 10^-11 in some analyses, indicating a very strong statistical correlation with food allergy. Beyond food allergies, this region has also been implicated in other atopic conditions, including allergic rhinitis, asthma, and atopic dermatitis. While these statistical associations are robust, it is important to note that genetic variants are only one piece of a complex puzzle. Food allergy is a multifactorial condition influenced by a combination of genetic predisposition, environmental exposures, and epigenetic factors.
Population Frequency
The frequency of the rs2212434 variant varies across different ancestral populations. In European populations, the minor allele frequency is approximately 0.36. This means that a significant portion of the population carries at least one copy of the variant allele. Because this variant is relatively common, it is considered a susceptibility factor rather than a rare mutation that causes disease on its own. Understanding these frequencies helps researchers determine how genetic risk is distributed globally. However, because most large-scale GWAS have historically focused on European-descendant populations, more research is needed to understand the impact and frequency of this variant across diverse global ancestries.
What This Information Means for You
If you have learned that you carry the rs2212434 variant, it is important to understand that this is a statistical association, not a medical diagnosis. Having this variant does not mean you will develop a food allergy, nor does lacking it guarantee you will not. Genetic markers like rs2212434 provide insight into biological pathways, but they do not account for the full complexity of immune system function. You cannot use this information to diagnose yourself or to predict specific health outcomes. If you have concerns about food allergies, sensitivities, or your immune health, the most appropriate step is to consult with a qualified healthcare professional or an allergist. They can provide clinical testing and personalized advice based on your medical history and symptoms, rather than relying on genetic data alone.
How common is this variant?
The minor allele frequency for rs2212434 is approximately 0.36 in European populations, making it a relatively common genetic variant.
Frequently asked questions
Does having the rs2212434 variant mean I have a food allergy?
No. This variant is a statistical marker associated with an increased risk of developing food allergies, but it is not a diagnostic test. Many people with this variant do not have food allergies, and many people with food allergies do not carry this specific variant.
Can I change my risk associated with this SNP?
Genetic variants are inherited and cannot be changed. However, food allergies are influenced by many environmental factors, and understanding your personal health history with a doctor is the best way to manage your overall risk.
Is rs2212434 the only gene involved in food allergies?
No, food allergy is a complex, polygenic condition. This means it is influenced by many different genes and environmental factors working together, rather than a single genetic variant.
Should I get tested for this variant?
There is no clinical utility in testing for this specific variant for the purpose of diagnosing or managing food allergies. Clinical diagnosis of food allergies is based on medical history, skin prick tests, and blood tests for specific IgE antibodies.
Sources & further reading
Educational information only, last refreshed 9/30/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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Variant in the EMSY/LRRC32 locus associated with susceptibility to atopic dermatitis, eczema, and allergic sensitization.
A variant in the EMSY-LRRC32 cluster showing genome-wide significant association with clinically confirmed food allergy and allergic rhinitis.