IL10 rs1800872: Understanding the -592C/A Promoter Variant
The rs1800872 variant is a single nucleotide polymorphism located in the promoter region of the IL10 gene. It is frequently studied for its potential role in regulating the expression of interleukin-10, a cytokine involved in immune system modulation and inflammatory responses.
What each genotype means
Typical IL-10 promoter activity
This genotype represents the common form of the IL-10 promoter region. Research suggests this configuration is associated with different baseline levels of IL-10 cytokine production compared to those carrying the A allele, though these effects are often context-dependent and influenced by other genetic factors. Associations with disease risk, such as inflammatory conditions or infection severity, are often studied in the context of specific haplotypes rather than this variant alone.
This is a common genotype in many populations, particularly among those of European ancestry.
Intermediate IL-10 promoter activity
Carrying one copy of the A allele may influence the transcriptional activity of the IL-10 gene. Studies have linked this variant to variations in cytokine output, which can modulate immune responses in diverse clinical settings, including inflammatory diseases and viral infections. Because these associations are complex and often depend on the broader genetic background, this result should not be used to predict individual health outcomes.
This heterozygous genotype is frequently observed across global populations, reflecting the common nature of the A allele.
Altered IL-10 promoter function
The AA genotype is associated with a reduction in the negative regulatory function of the IL-10 promoter, which can alter the transcription and production of the IL-10 protein. Some research has linked this genotype to differences in susceptibility to inflammatory conditions or outcomes in specific medical contexts, such as transplant-related complications. These findings are statistical associations observed in research cohorts and do not constitute a medical diagnosis.
The AA genotype is less common than the CC or CA genotypes but is present at significant frequencies in many populations, including those of European and Asian ancestry.
What is rs1800872?
The rs1800872 variant, often referred to as the -592C/A polymorphism, is a specific change in the DNA sequence within the promoter region of the IL10 gene. Located on chromosome 1, this variant involves the substitution of a cytosine (C) for an adenine (A). Because this change occurs in the promoter—the "on-off switch" area of a gene—researchers have long hypothesized that it may influence how effectively the cell's machinery can bind to the DNA to initiate the production of the IL-10 protein. By altering the binding affinity for transcription factors, this variant may lead to differences in the amount of IL-10 produced by immune cells, which is why it is a common subject of investigation in studies regarding immune function and inflammatory regulation.
The Role of the IL10 Gene
The IL10 gene provides instructions for creating the interleukin-10 protein, which acts as a potent anti-inflammatory cytokine. IL-10 is essential for maintaining immune homeostasis; it helps limit the host immune response to pathogens, thereby preventing excessive tissue damage and chronic inflammation. When the body produces appropriate levels of IL-10, it effectively suppresses the activity of pro-inflammatory cells. However, if the regulation of this gene is disrupted, it can potentially lead to an imbalance in the immune response. Because of its central role in dampening inflammation, variations in the IL10 gene, including those in its promoter region, are frequently examined to see if they contribute to individual differences in susceptibility to autoimmune or inflammatory conditions.
Research and Associations
Scientific literature has explored the association of rs1800872 with various health conditions, including systemic lupus erythematosus, IgA nephropathy, and certain cancers. For example, some studies suggest that the A allele may be linked to altered IL-10 expression levels, which could influence disease susceptibility or progression in specific populations. However, it is critical to note that the evidence for these associations is often limited or mixed. Many findings are derived from case-control studies that may not be generalizable across all ethnic groups. Furthermore, because immune-related traits are complex and influenced by many genes and environmental factors, the impact of a single SNP like rs1800872 is typically small. Current research does not support using this variant as a standalone diagnostic tool, and findings often require replication in larger, more diverse cohorts to confirm their clinical significance.
Population Frequency
The frequency of the rs1800872 variant varies significantly across different global populations. In European ancestries, the minor allele frequency is generally observed to be in the range of 0.25 to 0.35. Higher frequencies of the variant have been documented in various Asian populations. These differences highlight the importance of considering ancestral background when interpreting genetic data, as the prevalence of specific genotypes can differ widely depending on the population being studied.
Interpreting Your Information
Understanding your genotype for rs1800872 provides a glimpse into one small piece of your genetic architecture related to immune regulation. It is important to recognize that having a particular genotype does not mean you will develop any specific condition. Genetic associations are statistical observations made across large groups of people, not individual predictions. If you have concerns about your immune health or inflammatory conditions, this information should not be used to make personal health decisions. Instead, focus on established clinical markers and consult with a healthcare professional who can interpret your overall health status in the context of your medical history and lifestyle. Always discuss any health-related questions with a qualified clinician rather than relying on individual genetic variants.
How common is this variant?
The minor allele frequency for rs1800872 is approximately 0.25-0.35 in European populations, with higher frequencies observed in Asian ancestries.
Frequently asked questions
Is rs1800872 a diagnostic test for inflammatory bowel disease?
No, rs1800872 is not a diagnostic test for inflammatory bowel disease or any other condition. While it has been studied in the context of immune regulation, it is not used in clinical practice to diagnose disease.
Can I change my IL10 expression through diet?
There is no evidence that specific dietary changes can target or alter the expression of the IL10 gene based on your rs1800872 genotype. Maintaining a balanced diet is generally recommended for overall health, but it is not a targeted therapy for this genetic variant.
What should I do if I have the A/A genotype?
The A/A genotype is a common genetic variation and does not require any specific medical action. If you have concerns about your health, you should discuss your symptoms and medical history with a doctor rather than focusing on a single genetic variant.
Are these results reliable for predicting my health?
Genetic associations with complex traits like immune function are statistical in nature and are not predictive for individuals. Many factors, including environment and other genes, play a much larger role in your health than a single SNP.
Sources & further reading
Educational information only, last refreshed 10/16/2026. Not medical advice — these associations describe population statistics, not individual predictions.
Curious what your genotype is for rs1800872?
Upload a raw DNA file from 23andMe, AncestryDNA, MyHeritage, or FamilyTreeDNA and see this variant — plus thousands more — interpreted in your full report.
Get my report — $29Related variants in IL10
Regulatory upstream noncoding variant in IL10 that influences anti-inflammatory cytokine production.
The IL-10 promoter -819C/T polymorphism modulates interleukin-10 expression, influencing inflammatory responses and autoimmune susceptibility.
Part of the extended IL-10 promoter haplotype influencing differential anti-inflammatory IL-10 cytokine output and susceptibility to graft-versus-host disease.
Functional promoter variant (-1082 A/G) influencing interleukin-10 expression levels and inflammatory disease susceptibility.
Functional regulatory promoter variant in IL10 associated with altered interleukin-10 expression and enhanced susceptibility to dust mite allergic sensitization.
Variant in the interleukin-10 gene interacting with environmental dust mite exposure to significantly alter the risk of allergic sensitization and exacerbations.