ABCC9 rs10519004: What Your Genotype Means
The rs10519004 variant is a genetic change located within the ABCC9 gene. Research has investigated this variant for its potential role in modulating ATP-sensitive potassium channel function and its association with habitual sleep duration.
What each genotype means
Typical baseline sleep duration
You carry two copies of the common C allele for this ABCC9 variant. In exploratory genome-wide research, this baseline genotype is not associated with the slight reduction in habitual sleep duration linked to the minor allele. However, genetic evidence for this variant's overall influence on sleep patterns remains limited and does not determine your individual sleep requirements.
Carried by roughly 70% to 75% of individuals of European ancestry, and at higher frequencies in East Asian and African populations.
Slightly shorter sleep duration
You carry one copy of the minor T allele in the ABCC9 gene, which encodes an ATP-sensitive potassium channel subunit. Some published association studies have linked this allele to modestly shorter habitual nocturnal sleep duration, though statistical evidence remains limited and findings have not been uniformly replicated across diverse ancestries. This statistical association is not diagnostic of any sleep disorder and does not dictate your daily rest quality.
Carried by approximately 25% of individuals of European descent, while being considerably less common in African and East Asian ancestries.
Modestly reduced sleep duration
You carry two copies of the minor T allele in this ABCC9 intronic locus. Population-level research suggests this genotype may correlate with modestly shorter habitual sleep duration compared to common homozygotes. Because scientific evidence supporting this specific association is limited and sleep architecture is shaped by many environmental and polygenic influences, this genetic result should not be interpreted as a medical diagnosis or strict determinant of your rest needs.
Present in roughly 2% of people of European ancestry, and rare to absent in several non-European populations.
Understanding the Variant
The rs10519004 variant is a single nucleotide polymorphism (SNP) situated within the ABCC9 gene. In genetics, a SNP represents a variation at a single position in the DNA sequence among individuals. This specific variant is classified as intronic, meaning it is located within a non-coding region of the gene known as an intron. While introns do not provide direct instructions for building proteins, they can play critical roles in regulating how genes are expressed or spliced. Scientists study these variants to understand how subtle changes in our genetic code might influence biological traits or susceptibility to certain conditions. Because rs10519004 is located in a region that influences the ABCC9 gene, researchers have examined whether it affects the production or function of the proteins encoded by this gene.
The Role of the ABCC9 Gene
The ABCC9 gene provides the blueprint for the sulfonylurea receptor 2 (SUR2) protein. This protein is a vital component of ATP-sensitive potassium (K-ATP) channels, which are found in various tissues throughout the body, including the heart and brain. These channels act as sensors that respond to the energy status of a cell by monitoring levels of ATP, a molecule that carries energy. When ATP levels change, the K-ATP channels open or close to regulate the flow of potassium ions across the cell membrane. This process is essential for maintaining normal cellular function, particularly in cardiac muscle, where it helps regulate calcium ion concentrations. Because these channels are involved in fundamental cellular signaling, variations in the ABCC9 gene are of significant interest to researchers studying how cellular energy regulation impacts human physiology.
Research and Evidence Strength
The association between ABCC9 variants and sleep duration has been a subject of scientific inquiry for over a decade. Early genome-wide association studies (GWAS) identified variants in this gene as potential contributors to variations in how long people sleep. While some studies have reported statistical links between ABCC9 variants and sleep duration, the evidence strength for any single variant, including rs10519004, remains limited. Scientific findings in this area are often complex, as sleep duration is a polygenic trait influenced by many genes, environmental factors, and individual chronotypes. Furthermore, replication of these findings across different populations has yielded mixed results. It is important to note that these associations are based on statistical correlations observed in large groups and do not imply a direct cause-and-effect relationship for any individual.
Population Frequency
The rs10519004 variant is considered a common genetic variant, though its frequency varies significantly across different global populations. Genetic databases indicate that the distribution of the alleles associated with this SNP is not uniform, reflecting the diverse ancestral backgrounds of human populations. Because it is a common variant, many individuals carry one or two copies of the minor allele. However, the presence of a specific genotype does not guarantee any particular sleep-related outcome, as the genetic architecture of sleep is highly complex and influenced by a wide array of other genetic and non-genetic factors.
Interpreting Your Genetic Information
Information regarding genetic variants like rs10519004 is intended for educational purposes and should not be used for medical diagnosis or to guide health decisions. Genetic associations with traits like sleep duration are statistical observations made at the population level and cannot predict an individual's specific sleep patterns or health status. If you have concerns about your sleep quality, duration, or overall health, it is essential to consult with a qualified healthcare professional. They can provide personalized guidance based on your clinical history, lifestyle, and physical examination. Never use genetic data to make changes to your medical care or to self-diagnose conditions. Understanding your genetics can be a fascinating way to learn about human biology, but it is only one small piece of the much larger puzzle that makes up your health.
How common is this variant?
The rs10519004 variant is a common polymorphism with varying allele frequencies observed across different global ancestral populations.
Frequently asked questions
Does this variant mean I will have sleep problems?
No. Genetic associations with sleep duration are based on statistical trends in large populations and cannot predict your individual sleep habits or diagnose sleep disorders.
Can I use this information to change my sleep schedule?
You should not use genetic information to alter your health behaviors or medical care. If you are experiencing sleep issues, please consult a doctor or sleep specialist.
Is ABCC9 related to heart health?
The ABCC9 gene is involved in regulating potassium channels in the heart. However, having a common variant like rs10519004 does not necessarily indicate a risk for heart disease.
Where can I find more information about my specific genotype?
You can search for your rsID on public databases like dbSNP or ClinVar. Always discuss any health-related genetic findings with a genetic counselor or your primary care physician.
Sources & further reading
Educational information only, last refreshed 10/25/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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Intronic regulatory polymorphism in ATP-sensitive potassium channel subunit ABCC9 significantly associated with typical human sleep duration.
An intronic ABCC9 variant associated with self-reported usual sleep duration.
This SNP is located in the ABCC9 gene, which is involved in potassium channel regulation and has been studied for its role in various physiological traits.