rs11557467: Understanding the 17q12-q21 Asthma Risk Locus
The rs11557467 variant is a single nucleotide polymorphism located within the 17q12-q21 chromosomal region, a well-studied area associated with childhood-onset asthma. Research suggests this variant may influence how the immune system produces interferon-beta in response to rhinovirus infections.
What each genotype means
Typical interferon response profile
This genotype is considered the non-risk or reference configuration in many studies regarding rhinovirus-induced immune responses. Research suggests that individuals with this genotype generally maintain standard interferon-beta signaling patterns when exposed to common respiratory viruses like rhinovirus.
This is a common genotype found in many populations, though exact frequencies vary significantly by ancestry.
Intermediate immune response profile
Carrying one copy of the G allele may be associated with an intermediate impact on your immune system's ability to produce interferon-beta in response to rhinovirus infections. Statistical associations indicate that carriers of this genotype may exhibit a modulated immune response, which has been investigated in the context of childhood-onset asthma and wheezing.
This heterozygous genotype is common across diverse ancestral groups.
Reduced interferon response profile
Research has identified the G allele as a potential risk factor associated with altered immune signaling at the 17q12-q21 locus. If you carry this genotype, studies suggest you may have a statistically higher likelihood of exhibiting reduced interferon-beta production following rhinovirus infection, a mechanism that has been linked to increased susceptibility to wheezing or asthma-related symptoms.
The G allele is common, and this homozygous genotype is frequently observed in populations studied for respiratory and atopic health traits.
What is rs11557467?
The rs11557467 variant is a single nucleotide polymorphism (SNP), which is a variation at a single position in the DNA sequence. It is situated on chromosome 17q12-q21, a genomic region that has been extensively replicated in scientific literature as a major risk locus for childhood-onset asthma and viral-induced wheezing. SNPs like rs11557467 are common, meaning they occur frequently across the human population. While this specific variant is not a direct cause of asthma, it serves as a genetic marker that researchers use to understand the biological pathways that may contribute to respiratory health differences. By studying these markers, scientists aim to uncover how specific genetic profiles might influence an individual's susceptibility to environmental triggers, such as common respiratory viruses.
The 17q12-q21 Locus and Immune Function
The 17q12-q21 region is highly significant in respiratory genetics because it contains genes such as ORMDL3 and GSDMB, which are involved in immune regulation and epithelial cell function. Recent research published in the Journal of Allergy & Clinical Immunology indicates that variants in this region, including rs11557467, are associated with the body's production of interferon-beta (IFN-beta) when exposed to rhinovirus, the most common cause of the common cold. Interferons are critical proteins that help the immune system fight off viral infections. Evidence suggests that individuals carrying certain risk alleles at this locus may exhibit reduced IFN-beta induction. This impaired antiviral response is hypothesized to be a potential mechanism linking this genetic region to the severity of asthma exacerbations and wheezing illnesses following viral exposure.
Evidence and Population Frequency
The association between rs11557467 and rhinovirus-induced interferon responses is supported by moderate evidence from clinical studies. Researchers have observed that this SNP is in high linkage disequilibrium with other variants in the 17q12-q21 region, meaning these markers are often inherited together. Because of this, it can be difficult to determine if rs11557467 is the functional driver of the observed immune response or if it is simply a marker for another nearby genetic change. The variant is considered common across various populations, though the specific frequency and the strength of its association with asthma can vary significantly depending on ancestral background. For instance, European populations often show extensive linkage disequilibrium in this region, whereas African populations may display different haplotype structures, highlighting the importance of considering ancestry in genetic research.
What This Information Means for You
It is important to understand that having a specific genotype at the rs11557467 locus does not mean you will develop asthma or experience severe reactions to viruses. Asthma is a complex, multifactorial condition influenced by a combination of genetics, environmental exposures, and lifestyle factors. Genetic markers like rs11557467 are tools for scientific research, not diagnostic tests for clinical use. If you have concerns about your respiratory health, asthma management, or how you respond to infections, you should consult with a healthcare professional. They can provide personalized medical advice based on your clinical history and symptoms. Never use genetic information to make decisions about your medications or treatment plans without first discussing them with your doctor or a qualified pharmacist.
How common is this variant?
The rs11557467 variant is a common polymorphism found across diverse global populations, though specific allele frequencies vary by ancestry.
Frequently asked questions
Does rs11557467 cause asthma?
No, rs11557467 does not cause asthma. It is a genetic marker associated with the 17q12-q21 region, which is linked to an increased risk of asthma and viral-induced wheezing, but asthma is a complex condition influenced by many factors.
Can I use this SNP to predict my risk of asthma?
No, this SNP is not a diagnostic tool. Genetic risk for asthma is determined by the interaction of many different genes and environmental factors, and this variant alone cannot predict whether an individual will develop the condition.
What should I do if I have the 'higher-attention' genotype?
The 'higher-attention' label is for research context only. If you have concerns about your health or asthma symptoms, please consult your physician for a clinical evaluation rather than relying on genetic data.
How does this variant affect my immune system?
Research suggests that variants in this region may be linked to reduced production of interferon-beta when the body encounters rhinovirus. This is a potential area of study for understanding why some people experience more severe viral-induced respiratory symptoms.
Sources & further reading
Educational information only, last refreshed 9/16/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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This SNP is linked to altered immune responses to rhinovirus in children with asthma.
This SNP is part of a cluster associated with low IFN-beta induction in response to rhinovirus infection.
This variant is associated with reduced rhinovirus-induced IFN-beta responses in individuals with asthma risk alleles.