DCLK3 rs112766131: Understanding Your Genetic Variant
The rs112766131 variant is a rare genetic change located within the DCLK3 gene. It has been studied for its potential association with stress response phenotypes, specifically those related to brooding behaviors.
What each genotype means
Typical stress response
This genotype represents the most common version of the DCLK3 regulatory region found in the general population. Research indicates this variant is associated with the brooding stress response phenotype, though the functional impact of this specific allele remains a subject of ongoing study. As this is a complex behavioral association, it should not be used to predict individual stress resilience.
This is the major allele genotype and is found in the vast majority of the global population.
Variant stress response profile
Carrying one copy of the G allele at this location may influence how the DCLK3 gene is regulated during stress. While this variant has been linked to the brooding stress response phenotype in regulatory studies, the clinical significance of this association is currently limited and requires further research. This finding is a statistical observation and does not indicate a specific behavioral outcome.
This heterozygous genotype is rare in most populations, occurring in a small fraction of individuals.
Rare variant stress profile
This genotype represents the rare variant form of the DCLK3 regulatory region. While this variant is associated with the brooding stress response phenotype in scientific literature, the evidence is currently limited and the functional consequences for an individual are not well-defined. This information is for research purposes and does not provide a basis for clinical diagnosis or behavioral prediction.
This genotype is very rare and is observed in only a tiny percentage of the population across known ancestries.
What is rs112766131?
The identifier rs112766131 refers to a specific single nucleotide polymorphism (SNP) located within the human genome. In genomics, a SNP represents a variation at a single position in a DNA sequence among individuals. This particular variant is situated within the DCLK3 gene, which is located on chromosome 3. Because this variant is found in a regulatory region of the gene, researchers investigate whether it influences how the DCLK3 gene is expressed or controlled rather than changing the structure of the protein itself. Regulatory regions act like switches, determining when and how much of a gene's product is produced in different tissues, such as the brain.
The Role of the DCLK3 Gene
The DCLK3 gene, or doublecortin-like kinase 3, encodes a protein that is predicted to function as a serine/threonine kinase. Kinases are enzymes that play critical roles in cellular signaling by adding phosphate groups to other proteins, effectively turning them on or off. While the exact biological pathways of DCLK3 are still being mapped, it is part of a family of proteins involved in neuronal development and cellular organization. Research suggests that DCLK3 may be involved in protein localization within the nucleus, which is essential for maintaining cellular health and responding to environmental stimuli. Understanding this gene is a focus of ongoing neurobiological research.
Research and Evidence Strength
The association between rs112766131 and the 'brooding' stress response phenotype is currently classified as having moderate evidence strength. In genetic research, 'brooding' refers to a specific behavioral phenotype often characterized by repetitive, negative thinking or rumination in response to stress. It is important to note that genetic associations are statistical in nature; they indicate that a variant appears more frequently in individuals with a certain trait than in those without it, but they do not imply a direct cause-and-effect relationship. Because the evidence is moderate, it suggests that while there is a signal in the data, more large-scale studies are required to confirm the biological mechanism and the consistency of this association across diverse human populations.
Population Frequency
The rs112766131 variant is considered rare across global populations. In genomics, a rare variant is one that appears in a very small percentage of the population. Because it is rare, it is difficult to conduct large-scale studies to determine how it might affect different ancestral groups. Most of our current understanding of such variants comes from large databases like gnomAD, which aggregate genetic data from thousands of individuals. When a variant is rare, its presence or absence in a specific family or population group may be more significant than in common variants, but it also means that the statistical power to draw definitive conclusions about its impact is limited.
What This Information Means for You
If you have encountered this variant in a personal genetic report, it is essential to understand that this information is for educational purposes only. Genetic variants like rs112766131 are pieces of a much larger puzzle involving environment, lifestyle, and thousands of other genes. You cannot use this information to diagnose a condition or predict a specific behavioral outcome. If you are concerned about stress, mental health, or behavioral patterns, the most effective approach is to consult with a qualified healthcare professional or a licensed genetic counselor. They can help you interpret your health history in a clinical context and provide guidance that is tailored to your individual needs, rather than relying on isolated genetic data.
How common is this variant?
The rs112766131 variant is classified as rare, meaning it is found at a very low frequency across all major ancestral populations.
Frequently asked questions
Can I use this SNP to predict my stress levels?
No. Genetic variants are only one small factor in how individuals respond to stress. Lifestyle, environment, and many other genes play a much larger role in your mental health.
Is this variant a disease marker?
No. This variant is associated with a behavioral phenotype in research studies, not a clinical disease. It should not be used for medical diagnosis.
Why is the evidence for this variant only moderate?
Moderate evidence means that while some studies have found a statistical link, the results have not been consistently replicated in large, diverse populations. More research is needed to confirm the findings.
Should I be worried if I have the rare genotype?
No. Having a rare genotype does not mean you will develop a specific trait or condition. Genetic variation is a normal part of human diversity.
Sources & further reading
Educational information only, last refreshed 9/16/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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