rs7766006: Understanding This Genetic Variant and Endometriosis
The genetic variant rs7766006 is an intergenic single nucleotide polymorphism (SNP) that has been studied for its potential role in reproductive health. Research suggests that specific genotypes of this variant are associated with a decreased risk of developing ovarian endometriosis.
What each genotype means
Increased endometriosis risk
Research indicates that the G allele is associated with a higher risk of developing ovarian endometriosis compared to the T allele. Individuals with this genotype may have lower levels of WTAP mRNA expression, which has been statistically linked to increased susceptibility in certain populations.
This genotype is commonly observed in studies of Chinese populations, though specific global frequency data is not widely established.
Reduced endometriosis risk
Carrying one copy of the T allele is associated with a decreased risk of ovarian endometriosis compared to the GG genotype. This variant is linked to higher levels of WTAP mRNA expression, which may play a protective role in the context of this condition.
This heterozygous genotype is frequently identified in control groups within genetic studies of endometriosis.
Reduced endometriosis risk
The TT genotype is associated with a significantly decreased risk of ovarian endometriosis. Research suggests this genotype correlates with increased WTAP mRNA expression, which is statistically linked to a lower likelihood of developing the condition.
This genotype is found in a subset of the population and is associated with a more favorable risk profile regarding ovarian endometriosis.
What is rs7766006?
A single nucleotide polymorphism, or SNP, is a variation at a single position in a DNA sequence among individuals. The variant rs7766006 is located in an intergenic region, meaning it sits in the DNA sequence between known genes rather than within a gene that codes for a protein. Because it is intergenic, it does not directly alter the structure of a protein. Instead, researchers investigate such variants to see if they influence how nearby genes are regulated or expressed. In the case of rs7766006, studies have examined its potential influence on the expression levels of the WTAP gene, which plays a role in cellular processes. By analyzing these variations, scientists aim to better understand the complex genetic architecture that may contribute to various health conditions, including reproductive disorders.
Association with Ovarian Endometriosis
Current research, particularly studies focused on Chinese populations, has identified a statistical association between rs7766006 and the risk of ovarian endometriosis. Specifically, the T allele of this SNP has been observed to correlate with a decreased risk of the condition. Conversely, individuals carrying the G allele, particularly those with the GG genotype, have been associated with a higher risk of developing ovarian endometriosis in certain clinical subgroups. It is important to note that these findings are based on statistical associations observed in specific study cohorts. While these results provide valuable insights into potential genetic markers for endometriosis, they do not imply a direct cause-and-effect relationship. The evidence for this association is considered moderate, and further research across diverse ancestral populations is necessary to confirm these findings and understand their broader clinical relevance.
Understanding the Evidence
The evidence linking rs7766006 to endometriosis is primarily derived from case-control studies that compare the genetic profiles of individuals with the condition against those without it. Quantitative expression trait loci (eQTL) analysis has suggested that this SNP may correlate with the expression levels of the WTAP gene, which is involved in RNA methylation and other cellular functions. While these molecular insights are promising, the field of endometriosis genetics is complex, involving many variants with small individual effects. Because endometriosis is a multifactorial condition influenced by both genetic and environmental factors, no single SNP can predict the development of the disease. Researchers emphasize that while these genetic markers help map the biological pathways involved in the disease, they are not diagnostic tools and should be interpreted within the context of broader clinical and scientific research.
What This Information Means for You
If you have encountered information about rs7766006, it is important to understand that this is a research-level finding rather than a clinical diagnostic test. Genetic variants associated with complex conditions like endometriosis are typically identified through large-scale population studies and are used to advance scientific understanding of disease mechanisms. They are not currently used to predict an individual's personal risk or to guide medical treatment. If you have concerns about endometriosis, symptoms such as pelvic pain, or reproductive health, the most effective approach is to consult with a healthcare professional, such as a gynecologist. They can provide personalized medical advice, perform appropriate diagnostic evaluations, and discuss management options based on your specific health history and clinical presentation. Never use genetic data to make medical decisions or alter treatments without professional guidance.
How common is this variant?
Specific population frequency data for rs7766006 is not widely recorded in general public databases. Current research on this variant has primarily focused on cohorts of Chinese ancestry.
Frequently asked questions
Can I use a genetic test to see if I will get endometriosis?
No. Endometriosis is a complex condition influenced by many genetic and environmental factors. Current genetic research is used to understand disease pathways, not to predict individual risk or diagnose the condition.
What is the WTAP gene?
WTAP (Wilms' tumor 1-associating protein) is a gene involved in RNA processing and cellular regulation. Research suggests that variations in the region near this gene may influence its expression, which is being studied for its role in reproductive health.
Is rs7766006 a diagnostic marker?
No, rs7766006 is not a diagnostic marker. It is a genetic variant identified in research studies as being statistically associated with endometriosis risk in certain populations, but it cannot be used to diagnose the disease.
Should I be worried if I have the GG genotype?
Genetic associations are statistical findings from large groups and do not determine individual health outcomes. If you have concerns about your reproductive health, please consult a healthcare provider for a clinical evaluation.
Sources & further reading
Educational information only, last refreshed 11/3/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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This variant is located within a regulatory element associated with primary ciliary dyskinesia and Kartagener syndrome, which can impact male fertility.
This SNP is a shared genetic instrument between endometriosis and ADHD, highlighting potential shared biological pathways between reproductive and mental health.
This variant is identified as a pleiotropic SNP shared between endometriosis and ADHD, suggesting a genetic link between reproductive and psychiatric conditions.
The G variant of this SNP is associated with an increased risk of ovarian endometriosis.
This variant is an intronic SNP recently annotated in major genomic databases including gnomAD and TOPMED.