IL6R rs2302765: Understanding Genetic Links to Inflammation
The rs2302765 variant is a single-nucleotide polymorphism located within the IL6R gene, which encodes the interleukin-6 receptor. Research indicates this variant is associated with variations in C-reactive protein (CRP) levels, serving as a potential marker for systemic inflammation and cardiovascular health traits.
What each genotype means
Typical inflammatory marker profile
This genotype is associated with baseline levels of C-reactive protein (CRP) in the general population. Research indicates that variations in the IL6R gene can influence systemic inflammation markers, though individual levels are also heavily influenced by lifestyle and environmental factors.
This is a common genotype found across most global populations.
Typical inflammatory marker profile
Carriers of this genotype show typical associations with IL6R-related inflammatory markers. As with the homozygous state, this genetic marker is one of many factors that may contribute to variations in CRP levels, which are used as a general indicator of systemic inflammation.
This heterozygous genotype is frequently observed in diverse ancestral groups.
Typical inflammatory marker profile
Individuals with this genotype exhibit standard associations with IL6R-related biomarkers. While this variant is studied as a marker for systemic inflammation and cardiovascular risk, it does not act in isolation, and clinical interpretation should always consider broader health contexts.
This genotype is common and present in a significant portion of the population.
What is rs2302765?
The rs2302765 variant is a specific genetic change, or single-nucleotide polymorphism (SNP), found within the IL6R gene. In genomics, a SNP represents a variation at a single position in the DNA sequence among individuals. This particular variant is situated in a region of the genome that influences how the body regulates the interleukin-6 receptor. By studying such variants, researchers aim to understand how subtle differences in our genetic code contribute to the diversity of biological processes, such as the body's inflammatory response. Because this SNP is located in a gene critical to immune signaling, it has become a subject of interest in studies investigating the genetic architecture of chronic, low-grade inflammation and its downstream effects on human health.
The Role of the IL6R Gene
The IL6R gene provides instructions for creating the interleukin-6 receptor, a protein that sits on the surface of various cells. This receptor is a key component of the immune system, acting as a docking station for interleukin-6 (IL-6), a cytokine that signals the body to initiate an inflammatory response. When IL-6 binds to its receptor, it triggers a cascade of intracellular signals that can influence everything from immune cell activation to the production of acute-phase proteins like C-reactive protein (CRP) in the liver. Because this pathway is central to how the body manages inflammation, variations in the IL6R gene can potentially alter the sensitivity or efficiency of this signaling process, which is why scientists monitor these genetic markers in the context of inflammatory conditions.
Research and Evidence
Scientific research, including genome-wide association studies (GWAS), has identified links between variants in the IL6R gene and levels of inflammatory biomarkers. Specifically, rs2302765 has been investigated for its association with circulating CRP levels, which are widely used in clinical settings as a marker for systemic inflammation. While the evidence for these associations is considered moderate, it is important to note that genetic associations are statistical in nature and do not imply a direct cause-and-effect relationship for any single individual. Many factors, including environment, lifestyle, and other genetic variants, contribute to an individual's inflammatory profile. Current research continues to explore how these variants might interact with other biological pathways to influence cardiovascular risk and other health-related traits.
Population Frequency
The rs2302765 variant is classified as a common SNP, meaning it is found at relatively high frequencies across diverse human populations. Genetic studies often observe that the distribution of such common variants can vary by ancestry, which is a standard finding in population genetics. Because it is common, many individuals carry one or more copies of the variant alleles. Understanding its frequency helps researchers design more robust studies that account for ancestral diversity, ensuring that findings regarding inflammation and health markers are applicable across different groups. As with many common variants, the presence of rs2302765 is a normal part of human genetic variation rather than a rare mutation.
Interpreting Your Information
Information about genetic variants like rs2302765 is intended for educational purposes and should not be used for medical diagnosis or to guide personal health decisions. Genetic markers provide only a small piece of a much larger, complex puzzle regarding your health. If you are concerned about inflammation, cardiovascular risk, or other health markers, it is essential to consult with a qualified healthcare professional. They can interpret your clinical test results, such as blood CRP levels, in the context of your overall health history, lifestyle, and physical examinations. Never make changes to your medical care or medication regimen based on genetic data without first discussing it with your doctor or a licensed pharmacist.
How common is this variant?
The rs2302765 variant is common across global populations, with its specific genotype frequencies varying depending on ancestral background.
Frequently asked questions
What does rs2302765 do to my health?
The rs2302765 variant is a genetic marker associated with variations in inflammatory biomarkers like CRP. It does not determine your health status, as many environmental and lifestyle factors play a much larger role in inflammation.
Should I get tested for rs2302765?
There is no clinical recommendation to test for this specific variant for diagnostic purposes. Genetic testing for common variants is generally for educational or research interest rather than routine medical care.
Can I change my risk associated with this SNP?
Genetic variants are fixed at birth, but the health traits they are associated with, such as inflammation, are often influenced by diet, exercise, and medical management. Focus on healthy lifestyle habits and consult your doctor regarding any health concerns.
Is this variant linked to heart disease?
Research has explored the link between IL6R variants and cardiovascular risk markers like CRP. However, these associations are statistical and do not mean that carrying a specific genotype will lead to heart disease.
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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A functional missense variant (p.Asp358Ala) in the IL6R gene associated with increased levels of soluble IL-6 receptor and modulation of inflammatory responses.
Synonymous polymorphism in IL6R often studied in the context of inflammatory signaling; however, the primary functional variant in this gene is rs2228145 (Asp358Ala).
An intronic variant in the IL6R gene associated with systemic inflammatory signaling, reduced risk of certain cardiovascular conditions, and parental lifespan.
This variant is associated with soluble IL-6 receptor levels and is linked to inflammatory markers and cardiovascular disease risk.
This variant is a functional polymorphism in the IL6R gene associated with altered levels of soluble interleukin-6 receptor and C-reactive protein, influencing inflammatory response.
Functional missense variant (p.Asp358Ala) that enhances proteolytic shedding of IL-6R to elevate soluble receptor levels while dampening classical IL-6 inflammatory signaling, conferring protection against coronary heart disease.