EMSY rs7936070: What Your Genotype Means for Allergy Risk
The rs7936070 variant is a genetic marker located in the EMSY-LRRC32 gene cluster. It has been identified through genome-wide association studies as a potential risk factor for various allergic conditions, including food allergies and allergic rhinitis.
What each genotype means
Typical allergic trait predisposition
You carry two copies of the common C allele at rs7936070 in the EMSY/LRRC32 locus. In genome-wide association studies, this genotype is considered baseline and is not associated with an increased genetic risk for allergic rhinitis or clinically confirmed food allergies. Because the overall evidence base is limited and complex, carrying this genotype does not guarantee protection against developing allergies.
Carried by approximately 45% of individuals of European ancestry and is the predominant genotype across most global populations.
Modestly increased allergy predisposition
You carry one copy of the T risk allele at rs7936070. Population-level research has linked this allele to a slightly increased statistical likelihood of allergic rhinitis, asthma, and food allergy sensitization. However, evidence remains limited and primarily observed in European cohorts, meaning it represents a modest statistical association rather than a clinical diagnosis.
Carried by approximately 44% of people of European ancestry and is less frequent in East Asian and African ancestries.
Elevated allergic trait predisposition
You carry two copies of the T risk allele at rs7936070 near the EMSY and LRRC32 genes. In published genome-wide association studies, carrying two T alleles is associated with the highest relative statistical risk within this locus for allergic rhinitis and food allergy. Because allergy risk is multifactorial and clinical evidence for this specific variant remains limited, this genotype alone does not determine whether you will develop an allergy.
Carried by approximately 11% of individuals of European ancestry and is rare to uncommon in East Asian and African populations.
Understanding the rs7936070 Variant
The rs7936070 variant is a single nucleotide polymorphism (SNP) situated in a region of the human genome that includes the EMSY gene (also known as C11orf30) and the LRRC32 gene. In genetics, an SNP represents a variation at a single position in the DNA sequence among individuals. This specific variant has gained attention in the scientific community because it sits within a genomic cluster that appears to influence immune system regulation. Researchers use genome-wide association studies (GWAS) to compare the DNA of individuals with specific health conditions against those without them to identify markers like rs7936070. While this variant is statistically linked to allergic traits, it is important to remember that complex conditions like allergies are rarely caused by a single genetic change. Instead, they result from a combination of multiple genetic factors and environmental influences that interact over a person's lifetime.
The Role of the EMSY Gene
The EMSY gene, located on chromosome 11, encodes a protein that acts as a transcriptional regulator. This means it helps control how other genes are turned on or off within the cell. Research suggests that EMSY plays a significant role in epigenetic regulation, a process that influences gene expression without changing the underlying DNA sequence. In the context of allergic diseases, studies have indicated that EMSY may be involved in activating pathways related to inflammation, such as the expression of TSLP and CCL5. These proteins are critical in the body's immune response and are often elevated in conditions like eosinophilic esophagitis, asthma, and atopic dermatitis. By influencing these inflammatory pathways, variations in or near the EMSY gene may alter how an individual's immune system reacts to environmental triggers, potentially increasing the susceptibility to developing allergic sensitivities.
Research and Evidence Strength
The association between rs7936070 and allergic conditions is supported by several large-scale genetic studies. Research published in journals such as the Journal of Allergy and Clinical Immunology has highlighted the EMSY locus as a significant risk factor for food allergies, including peanut allergy. Furthermore, this genomic region has been linked to a broader spectrum of atopic diseases, including allergic rhinitis, asthma, and eczema. Despite these findings, the evidence strength for this specific SNP is currently considered limited. While the statistical associations are robust in large population studies, the biological mechanisms connecting this specific variant to clinical symptoms are still being investigated. It is also important to note that genetic associations can vary significantly between different ancestral groups. For instance, some studies have observed links between EMSY polymorphisms and asthma in specific populations, such as Chinese Han, highlighting that genetic risk is not uniform across all human populations.
Population Frequency
The rs7936070 variant is relatively common in human populations. In individuals of European ancestry, the minor allele frequency is approximately 0.33. This means that a significant portion of the population carries at least one copy of the variant allele. Because the variant is common, it is considered a normal part of human genetic diversity rather than a rare mutation. However, frequency data can differ based on geographic and ancestral backgrounds. Understanding these frequencies helps researchers determine whether a variant is likely to contribute to common, complex traits like allergies, which affect a large percentage of the global population. Because the variant is widespread, it is likely that many people who carry the risk-associated genotype do not develop severe allergies, reinforcing the idea that genetics is only one piece of the puzzle in understanding allergic disease development.
What This Information Means for You
Learning about your genotype for rs7936070 provides insight into your genetic predisposition, but it does not serve as a medical diagnosis. Genetic markers are probabilistic, not deterministic; having a specific genotype does not guarantee that you will develop an allergy, nor does lacking it guarantee you will be allergy-free. If you are concerned about allergies or have experienced symptoms, the most effective approach is to consult with a board-certified allergist or immunologist. These professionals can perform clinical tests, such as skin prick tests or blood tests, to determine if you have an actual allergy. You should never use genetic information to make decisions about your diet, medication, or lifestyle without professional medical guidance. Always discuss any health concerns or questions about your genetic results with your healthcare provider, who can interpret these findings in the context of your overall health history and clinical presentation.
How common is this variant?
The minor allele frequency for rs7936070 is approximately 0.33 in European ancestries, making it a common variant in the population.
Frequently asked questions
Does having the rs7936070 variant mean I have a food allergy?
No. This variant is associated with an increased statistical risk of developing 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 use this genetic information to prevent allergies?
Currently, there are no established clinical interventions based on this specific genetic variant to prevent allergies. Allergy prevention is complex and typically involves environmental and early-life factors rather than genetic modification.
Is the EMSY gene only related to food allergies?
No. The EMSY gene and its surrounding region have been linked to a variety of atopic conditions, including asthma, allergic rhinitis, eczema, and eosinophilic esophagitis. It appears to play a broader role in immune system regulation.
Should I change my diet based on my rs7936070 genotype?
You should not change your diet based on genetic results. If you suspect you have a food allergy, consult a healthcare professional for proper testing and guidance before making any dietary changes.
Sources & further reading
Educational information only, last refreshed 10/19/2026. 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.
Significant variant mapping to the EMSY-LRRC32 region implicated in epigenetic regulation and mucosal barrier sensitization in food allergy.