rs2930291: Understanding This Genetic Variant and Diabetes Risk
The genetic variant rs2930291 is a single nucleotide polymorphism (SNP) that has been identified in scientific research as being associated with the risk of type 2 diabetes. It is located in an intergenic region, meaning it does not sit within a known protein-coding gene.
What each genotype means
Increased type 2 diabetes risk
This genotype is associated with a higher statistical risk for type 2 diabetes compared to the T allele. Research indicates that individuals with this genotype may have an odds ratio of approximately 1.50 for developing the condition, though this is a complex trait influenced by many genetic and lifestyle factors.
This is a common genotype found in many populations, with the C allele being a frequent variant globally.
Slightly increased diabetes risk
Carrying one copy of the C allele is associated with a moderate increase in the statistical risk for type 2 diabetes. Studies suggest an odds ratio of approximately 1.25 for heterozygotes, reflecting a risk profile intermediate between the two homozygous states.
This heterozygous genotype is common across diverse ancestral groups.
Baseline risk profile
This genotype is considered the baseline or normal state in the context of this specific variant's association with type 2 diabetes. It does not carry the increased risk associated with the C allele, though overall diabetes risk remains dependent on a wide range of other genetic and environmental factors.
This genotype is common and observed frequently in global populations.
What is rs2930291?
A single nucleotide polymorphism, or SNP, is a variation at a single position in a DNA sequence among individuals. The variant rs2930291 is a common genetic marker found in the human genome. In genetics, the term 'intergenic' refers to the stretches of DNA located between genes. Because rs2930291 is located in an intergenic region, it does not directly code for a protein. Instead, researchers study such variants to understand how they might influence the regulation of nearby genes or contribute to complex traits. Scientists use genome-wide association studies (GWAS) to scan the entire genome to identify these small variations that occur more frequently in people with a specific condition compared to those without it. By cataloging these markers, researchers aim to build a more comprehensive map of the genetic architecture underlying common health conditions.
Research and Type 2 Diabetes
The variant rs2930291 has been highlighted in various studies as being associated with type 2 diabetes. Type 2 diabetes is a complex, multifactorial condition characterized by insulin resistance and high blood sugar levels. Research indicates that while many genetic variants contribute to the risk of developing this condition, each individual variant typically has a very small effect size. It is important to note that genetic predisposition is only one piece of the puzzle. Environmental factors, such as physical activity, diet, and body mass index, play a significant role in the development of the disease. The evidence linking rs2930291 to diabetes is considered moderate, as it is one of many markers identified through large-scale association studies. These studies identify statistical correlations, but they do not establish direct causation for an individual.
Understanding Population Frequency
The variant rs2930291 is classified as a common variant, meaning it is found at a relatively high frequency across various human populations. In genetic research, common variants are those that appear in a significant percentage of the population, often making them easier to study in large cohorts. However, the frequency of such variants can vary significantly depending on ancestral background. When interpreting data from GWAS, it is crucial to recognize that findings observed in one population may not always replicate in another. This is why researchers emphasize the importance of diverse study populations to ensure that genetic insights are applicable across different groups. Because this SNP is common, it is widely distributed, but its specific contribution to disease risk may differ based on the genetic and environmental context of the individual.
What This Information Means for You
Learning about a genetic variant like rs2930291 can be an educational experience, but it is essential to maintain a balanced perspective. Having a specific genotype for this SNP does not mean an individual will or will not develop type 2 diabetes. Genetic risk scores are statistical tools used by researchers to look at the cumulative effect of many variants, but they are not diagnostic tests. If you are concerned about your risk for diabetes, the most effective steps involve consulting with a healthcare professional. They can evaluate your personal and family medical history, lifestyle factors, and clinical markers like blood glucose levels. Never use information about a single genetic variant to make medical decisions or to diagnose yourself. Always discuss any health concerns or questions about genetic testing with a qualified clinician or genetic counselor.
How common is this variant?
The rs2930291 variant is considered common, appearing frequently across diverse global populations.
Frequently asked questions
Does having this variant mean I will get diabetes?
No. Genetic variants like rs2930291 are associated with a statistical increase in risk, but they do not determine whether you will develop the condition. Many other factors, including lifestyle and environment, are much more influential.
Can I use this SNP to diagnose diabetes?
No. Diabetes is diagnosed by healthcare professionals using clinical tests such as blood glucose or A1C levels. Genetic variants are not used for clinical diagnosis of type 2 diabetes.
Why is this variant called intergenic?
It is called intergenic because it is located in the DNA sequence between two genes. It does not sit within a gene that provides instructions for making a protein.
Should I change my diet based on this result?
You should not change your medical or dietary habits based on a single genetic variant. Always consult with a doctor or a registered dietitian to create a health plan tailored to your specific needs.
Sources & further reading
Educational information only, last refreshed 10/5/2026. Not medical advice — these associations describe population statistics, not individual predictions.
Curious what your genotype is for rs2930291?
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
This variant is linked to a slightly increased susceptibility to type-2 diabetes.
This variant contributes to the genetic risk profile for type-2 diabetes.
This SNP has been identified as having an association with type-2 diabetes risk.
This variant is associated with a marginally increased risk for type-2 diabetes.
This variant near the LCT gene determines whether you keep producing lactase into adulthood. The genotype associated with lactase persistence means you likely tolerate dairy well.
Hair-color variant near KIT ligand.