LRP1 rs11172113: Understanding Your Genetic Association with Migraine
The rs11172113 variant is a single nucleotide polymorphism located within the LRP1 gene region. Research has identified this variant as being significantly associated with the risk of developing migraines.
What each genotype means
Typical migraine risk profile
This genotype is the more common form associated with a standard susceptibility to migraine in many populations. Research indicates that individuals with this genotype do not carry the specific protective association linked to the T allele of this variant. Because migraine is a complex condition influenced by many genetic and environmental factors, this result should not be used to predict your personal health outcomes.
This is the most common genotype, found in the majority of individuals across most global populations.
Reduced migraine risk association
Research suggests that carrying one copy of the T allele at this location in the LRP1 gene is associated with a decreased risk of developing migraines. This variant is thought to play a role in the glutamatergic system, which is involved in neuronal signaling. Please note that this association has shown mixed results in different ancestral groups, and you should discuss any concerns about migraine symptoms with a healthcare professional.
This heterozygous genotype is common, appearing in a significant portion of the population, particularly in individuals of European ancestry.
Lower migraine risk association
Individuals with this genotype carry two copies of the T allele, which has been identified in genome-wide association studies as having a protective association against migraine. The LRP1 gene is involved in regulating neuronal glutamate signals, a pathway implicated in migraine susceptibility. While this genotype is statistically associated with a lower risk, it does not guarantee immunity from migraines, as the condition is multifactorial.
This genotype is less common than the CC or CT genotypes, occurring in a smaller percentage of the general population.
What is rs11172113?
The rs11172113 variant is a specific genetic marker, or single nucleotide polymorphism (SNP), located on chromosome 12. In the context of human genetics, a SNP represents a variation at a single position in the DNA sequence among individuals. This particular variant is situated within a genomic region that includes the LRP1 gene, as well as neighboring genes like STAT6. Because of its location, researchers often study this SNP to understand how variations in this area of the genome might influence biological processes. It is important to note that rs11172113 is a common variant, meaning it is found frequently across diverse human populations. Scientists use large-scale genome-wide association studies (GWAS) to track how often this specific DNA change appears in individuals who experience migraines compared to those who do not, helping to build a statistical map of genetic susceptibility.
The Role of the LRP1 Gene
The LRP1 gene encodes the Low-Density Lipoprotein Receptor-Related Protein 1, a large cell-surface receptor involved in many critical physiological functions. LRP1 acts as an endocytic receptor, meaning it helps cells internalize various molecules from their environment. It plays a significant role in lipid metabolism, helping to regulate cholesterol storage and fatty acid processing within cells. Beyond metabolism, LRP1 is highly expressed in the central nervous system, where it is involved in the regulation of amyloid precursor protein and the maintenance of neuronal health. Some researchers hypothesize that the link between LRP1 and migraine may involve the modulation of glutamate homeostasis. Glutamate is a primary excitatory neurotransmitter in the brain, and disturbances in its signaling pathways are a well-established theory in the study of migraine pathophysiology. By influencing how these receptors function, LRP1 may indirectly affect the sensitivity of the nervous system to pain.
Evidence and Migraine Associations
The association between rs11172113 and migraine is supported by robust data from large-scale genetic studies. Multiple meta-analyses of genome-wide association studies have identified the LRP1-STAT6 region as one of the most significant loci linked to headache and migraine phenotypes. In some studies, this locus has shown extremely high statistical significance, suggesting a strong genetic signal. While the evidence is considered moderate to strong in terms of statistical association, it is essential to understand that migraine is a complex, polygenic disorder. This means that thousands of small genetic variations, combined with environmental and lifestyle factors, contribute to an individual's overall risk. The presence of this variant does not guarantee that an individual will experience migraines, nor does its absence provide immunity. Instead, it represents one piece of a much larger, intricate puzzle that researchers are still working to fully assemble.
Population Frequency
The rs11172113 variant is widely distributed across global populations. According to available genetic databases, the Global Minor Allele Frequency (GMAF) is approximately 0.3898, indicating that the variant is quite common. Because it is so prevalent, it is found in individuals of many different ancestral backgrounds. This high frequency allows researchers to conduct large-scale studies with sufficient statistical power to detect its association with complex traits like migraine. While the frequency is relatively stable across many groups, minor variations in prevalence can occur between different populations. Understanding these frequencies is a standard part of genomic research, as it helps scientists ensure that their findings are representative of the broader human population rather than being limited to a single ethnic or geographic group.
Interpreting Your Genetic Information
If you have received information about your genotype for rs11172113, it is important to view it as a statistical observation rather than a medical diagnosis. Genetic associations identified in research studies describe trends across large groups of people, not the specific health outcome for any single individual. You cannot use this information to predict whether you will develop migraines or to determine the severity of your symptoms. Migraine is a multifactorial condition influenced by diet, stress, sleep, and other environmental triggers. If you are concerned about headaches or migraine symptoms, the most effective approach is to consult with a healthcare professional. They can provide a clinical evaluation, discuss your personal and family medical history, and help you develop a management plan tailored to your specific needs. Never use genetic data to make decisions about medication or treatment without the guidance of a qualified clinician or pharmacist.
How common is this variant?
The rs11172113 variant is common, with a global minor allele frequency of approximately 0.3898 across diverse populations.
Frequently asked questions
Does having the rs11172113 variant mean I will get migraines?
No, having this variant does not mean you will develop migraines. It is simply a genetic marker associated with a statistical difference in risk across large populations, and many other factors contribute to the condition.
Can I use this SNP to diagnose a headache disorder?
No, genetic variants cannot be used to diagnose medical conditions. Migraine diagnosis is based on clinical symptoms and history, which should be evaluated by a healthcare professional.
Is LRP1 the only gene involved in migraine?
No, migraine is a complex, polygenic disorder involving many different genes and environmental factors. LRP1 is just one of many loci that have been identified through large-scale research.
Should I change my medication based on my rs11172113 genotype?
You should never change your medication based on genetic test results without consulting your doctor or pharmacist. Always discuss any treatment adjustments with a qualified healthcare provider.
Sources & further reading
Educational information only, last refreshed 9/20/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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