ZC3H4 rs113125564: What Your Genotype Means
The genetic variant rs113125564 is a single nucleotide polymorphism (SNP) located within the ZC3H4 gene on chromosome 19. Recent research has identified this variant as having a statistically significant association with perceived facial age in human populations.
What each genotype means
Typical facial age profile
This genotype represents the most common genetic state for this locus in many populations. Research suggests this version of the ZC3H4 gene is associated with standard patterns of perceived facial age, though individual appearance is heavily influenced by environmental factors like sun exposure and lifestyle.
This is the most frequent genotype observed across both European and East Asian populations.
Varied facial age association
Carrying one copy of the variant allele may be associated with subtle differences in perceived facial age acceleration compared to the common genotype. Because this variant is part of a complex polygenic trait, its individual contribution to facial morphology is modest and interacts with many other genetic and environmental factors.
This heterozygous genotype is found at a low frequency across East Asian and European populations.
Potential facial age acceleration
Individuals with this genotype carry two copies of the variant allele identified in machine-learning analyses as associated with perceived facial age acceleration. While this genetic marker is statistically linked to facial traits, it is not a diagnostic indicator of biological aging and should be viewed as one small component of a complex, multi-factorial phenotype.
This homozygous genotype is rare, occurring at a low frequency in both East Asian and European populations.
Understanding the rs113125564 Variant
The variant rs113125564 is an intronic single nucleotide polymorphism, meaning it is located within a non-coding region of the ZC3H4 gene. In genetics, SNPs are the most common type of variation among people, representing a difference in a single DNA building block, or nucleotide. While intronic variants do not change the protein sequence directly, they can influence how genes are regulated or expressed. Researchers identify these variants through genome-wide association studies (GWAS), which scan the entire genome to find statistical links between specific genetic markers and observable traits. In the case of rs113125564, its location on chromosome 19 has drawn interest due to its potential role in biological processes that may influence physical appearance over time.
The Role of the ZC3H4 Gene
The ZC3H4 gene provides instructions for producing a protein that plays a role in cellular processes, including the regulation of non-coding transcription. Research suggests that ZC3H4 is involved in maintaining genomic stability by restricting certain types of RNA transcription within human cells. While the exact mechanism linking ZC3H4 to facial aging is still being explored, scientists hypothesize that the gene may be involved in broader stress response pathways or adiposity—the accumulation of body fat—which can influence skin structure and appearance. Because the gene is active in various cellular functions, variations in its sequence might subtly alter how cells respond to environmental or internal stressors, potentially contributing to the complex, multi-factorial process of skin aging.
Research and Evidence Strength
The association between rs113125564 and perceived facial age was highlighted in recent integrative analyses that combined genetic and epigenetic data. Studies have observed that this specific SNP shows genome-wide significance in relation to how old an individual is perceived to look. However, it is important to note that while the statistical association is significant, the actual impact of this single variant on facial aging is relatively small compared to other factors like sun exposure, lifestyle, and overall epigenetic markers. Current evidence is considered moderate, as these findings are based on specific cohorts and require further replication across diverse populations to fully understand the biological pathway. Genetics is only one piece of the puzzle, and researchers emphasize that skin aging is a complex trait influenced by a wide array of genetic and environmental variables.
Interpreting Your Genetic Information
If you have information about your rs113125564 genotype, it is helpful to view it as a small data point within a much larger biological context. This variant is not a diagnostic tool, nor does it predict your future appearance with certainty. Because the association with perceived facial age is based on population-level statistics, it cannot be used to determine individual outcomes. You cannot change your genetic sequence, but understanding the factors that contribute to skin health—such as UV protection, nutrition, and skincare—remains the most effective way to manage skin aging. This information is for educational purposes only and should not be used to make medical decisions. If you have concerns about skin health or changes in your appearance, the best course of action is to consult with a board-certified dermatologist who can provide personalized, evidence-based guidance.
How common is this variant?
The rs113125564 variant is characterized as a low-frequency variant across both European and East Asian populations.
Frequently asked questions
Can this genetic test tell me how fast I will age?
No, this variant is associated with statistical trends in perceived facial age across large groups of people. It cannot predict your individual rate of aging or how you will look in the future.
Is ZC3H4 a gene that causes skin disease?
There is no evidence that rs113125564 causes skin disease. It is currently studied for its association with normal variations in facial appearance and skin aging markers.
Should I change my skincare routine based on this SNP?
No, you should not change your skincare routine based on this genetic information. Skincare should be based on your skin type and professional advice from a dermatologist, not on individual SNP results.
Where can I find more information on ZC3H4?
You can explore resources like GeneCards or the NCBI database for technical information on the ZC3H4 gene. These platforms provide comprehensive data on gene function and related research.
Sources & further reading
Educational information only, last refreshed 10/15/2026. Not medical advice — these associations describe population statistics, not individual predictions.
Curious what your genotype is for rs113125564?
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 — $29