PUM2 rs1430811: Understanding Genetic Associations with Blood Traits
The rs1430811 variant is a genetic marker located in the PUM2 gene region. It has been identified in scientific studies as having a statistical association with variations in white blood cell counts and other immune-related markers.
What each genotype means
Typical immune marker profile
This genotype represents the most common genetic configuration at this location in many populations. Research indicates that this variant is associated with variations in white blood cell counts, though the clinical significance of these differences remains limited and requires further study. This finding should not be used to infer health status or disease risk.
This is the most common genotype, found in the majority of individuals across most global ancestry groups.
Varied immune marker profile
Carrying one copy of the minor allele is associated with subtle differences in white blood cell counts in some population studies. Because the evidence linking this variant to specific immune traits is limited, it is unclear how this genotype influences individual health outcomes. You should view this as a common genetic variation rather than a diagnostic indicator.
Carried by a significant portion of the population, with frequencies varying by ancestry, typically appearing in roughly 1 in 5 to 1 in 3 individuals depending on the specific population group.
Minor allele immune profile
This genotype represents the homozygous state for the minor allele at this position. While this variant has been identified in studies of hematological traits and white blood cell markers, the overall impact on human health is not well-defined and evidence remains limited. This result does not provide actionable medical information.
This is the least common genotype, occurring at lower frequencies across most populations compared to the CC and CT configurations.
What is rs1430811?
The rs1430811 variant is a single nucleotide polymorphism (SNP), which is a common type of genetic variation where a single "letter" in the DNA sequence differs between individuals. This specific variant is classified as an intergenic or intronic marker, meaning it is located in the non-coding regions of the genome rather than within the protein-coding sequence of a gene. While it does not directly change the structure of a protein, such variants are often studied because they may influence how genes are regulated or expressed. In the case of rs1430811, it is mapped to the PUM2 gene region. Researchers use these markers to identify regions of the genome that may contribute to complex traits, such as the composition of blood cells, by comparing the DNA of large groups of people with different health characteristics.
The Role of the PUM2 Gene
The PUM2 gene, or Pumilio homolog 2, encodes a protein that functions as an RNA-binding protein. Its primary role is to bind to specific sequences in messenger RNA (mRNA) molecules, effectively acting as a post-transcriptional regulator. By binding to these sequences, PUM2 helps the cell control the timing and amount of protein production, essentially deciding which genetic instructions are translated into functional proteins and which are broken down. This regulatory mechanism is essential for various biological processes, including cell growth, nerve cell function, and development. While PUM2 is expressed in several tissues, including the nervous and reproductive systems, its influence on immune cell regulation is a subject of ongoing investigation. By fine-tuning the stability of RNA messages, PUM2 ensures that cells maintain the appropriate balance of proteins needed for normal physiological function.
Research and Evidence Strength
The association between rs1430811 and blood traits is derived from genome-wide association studies (GWAS), which scan the genomes of thousands of individuals to find correlations between specific variants and observable traits. Research has linked this variant to white blood cell counts and various immune markers. However, it is important to note that the evidence strength for this specific association is currently considered limited. GWAS findings often highlight statistical correlations that require further functional validation to understand the underlying biological mechanism. Furthermore, the effect sizes of such variants are typically small, and the genetic architecture of blood cell traits is highly polygenic, meaning many different genes and environmental factors contribute to the final outcome. Because the evidence is limited, these findings should be viewed as preliminary insights into the complex genetic landscape of the human immune system rather than definitive predictors of health.
Population Frequency and Interpretation
Genetic variants like rs1430811 are not distributed equally across all human populations. The minor allele frequency for this variant typically ranges between 0.10 and 0.25 across distinct ancestry groups. This variation in frequency highlights the importance of studying diverse populations to fully understand the genetic basis of human traits. When interpreting this information, it is crucial to remember that a genetic association is not a medical diagnosis. Having a particular genotype does not guarantee a specific health outcome, as blood cell counts are influenced by a wide array of factors, including age, sex, lifestyle, and environmental exposures. This information is intended for educational purposes to help individuals understand how genetic research identifies potential links to biological traits. It cannot be used to predict individual health status or guide clinical decision-making.
How common is this variant?
The minor allele frequency for rs1430811 ranges between 0.10 and 0.25 across distinct ancestry groups, indicating that the variant is relatively common in many populations.
Frequently asked questions
What does it mean if a variant is associated with white blood cell counts?
An association means that researchers have observed a statistical correlation between a specific genetic variant and the number of white blood cells in a population. It does not mean the variant causes a specific condition or that an individual's blood count will be abnormal.
Can I use this information to diagnose an immune disorder?
No. Genetic variants identified in GWAS are for research and educational purposes only. They cannot be used to diagnose any medical condition, and you should consult a healthcare professional for any concerns regarding your immune health.
Why is the evidence for rs1430811 considered limited?
Evidence is considered limited when the statistical association is not yet supported by strong functional evidence or when results have not been consistently replicated across all diverse populations. It suggests that more research is needed to confirm the biological significance of the finding.
Does my genotype for rs1430811 change over time?
No. Your genotype is determined at conception and remains the same throughout your life. While your white blood cell count can fluctuate due to illness, stress, or medication, your underlying DNA sequence at this position does not change.
Sources & further reading
Educational information only, last refreshed 10/15/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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