ENG Gene Variant rs11545664: What Your Genotype Means
The rs11545664 variant is a specific genetic change located within the ENG gene, which provides instructions for making a protein essential for blood vessel development. This variant has been studied for its potential associations with clinical vascular conditions, though its specific impact remains a subject of ongoing research.
What each genotype means
Common variant profile
This genotype represents the most frequently observed sequence at this position in the ENG gene. Current research indicates this is the baseline state, and there is no evidence suggesting this specific configuration contributes to clinical vascular conditions.
This is the most common genotype found across global populations.
Variant carrier status
Carrying one copy of the G allele at this position in the ENG gene has been identified in research as a variant of interest regarding vascular health. Because the evidence strength for this association is currently moderate, it is unclear if this genotype alone significantly alters biological function or disease risk.
This genotype is observed at a low frequency across most studied populations.
Rare variant profile
This genotype represents the homozygous state for the less common allele at this position in the ENG gene. While this variant is cataloged in relation to vascular conditions, the clinical significance remains subject to ongoing research and should not be interpreted as a definitive indicator of health outcomes.
This genotype is rare and found in a very small percentage of the population.
Understanding the ENG Gene
The ENG gene encodes a protein called endoglin, which is primarily expressed on the surface of endothelial cells that line the interior of blood vessels. Endoglin functions as a co-receptor for transforming growth factor-beta (TGF-beta) signaling, a pathway critical for maintaining the structural integrity of the vascular system. Because of its role in regulating blood vessel formation and stability, the ENG gene is a primary focus in the study of vascular disorders. When the function of endoglin is disrupted, it can lead to abnormal blood vessel development, which is a hallmark of conditions like Hereditary Hemorrhagic Telangiectasia (HHT). Research into variants within this gene helps scientists map how specific genetic changes might influence the signaling pathways that keep our circulatory system functioning correctly.
What is the rs11545664 Variant?
The rs11545664 variant is a single nucleotide polymorphism (SNP) situated within the genomic region of the ENG gene. In genetics, a SNP represents a variation at a single position in the DNA sequence among individuals. While many SNPs have no observable effect on health, others are investigated for their potential to alter protein function or gene expression. Researchers track these variants to determine if they correlate with specific physical traits or disease risks. For rs11545664, the evidence linking it to clinical outcomes is considered moderate, meaning that while studies have identified statistical associations, these findings are not definitive. It is important to remember that genetic variants rarely act in isolation; they often interact with other genes and environmental factors to influence a person's overall health profile.
Research and Evidence Strength
Current scientific literature, including data from the GWAS Catalog and various clinical studies, examines how variants in the ENG gene contribute to vascular phenotypes. While pathogenic mutations in ENG are well-documented causes of HHT, the specific role of rs11545664 is less clear. Some studies suggest that variants in this region may contribute to variations in vascular health, but the evidence is not as robust as that for known disease-causing mutations. Because the evidence is moderate, it is essential to interpret these findings with caution. Genetic associations are often population-specific, and a variant that appears significant in one group may not show the same effect in another. Ongoing research continues to refine our understanding of how this specific SNP fits into the broader landscape of vascular genetics.
Interpreting Your Genetic Information
If you have received information about your rs11545664 genotype, it is important to understand that this data is for educational purposes only. A genetic variant is not a medical diagnosis, and it cannot predict your future health with certainty. Many factors, including lifestyle, diet, and other genetic markers, play a much larger role in determining your vascular health. You should never use this information to make medical decisions or to alter any prescribed treatments. If you are concerned about your cardiovascular health or have a family history of vascular conditions, the best course of action is to consult with a qualified healthcare provider or a genetic counselor. They can help you interpret your results in the context of your personal medical history and provide guidance based on established clinical standards.
How common is this variant?
The rs11545664 variant is characterized by a low population frequency, meaning the less common allele is not frequently observed across most ancestral groups.
Frequently asked questions
Is rs11545664 a cause of HHT?
No, rs11545664 is not classified as a primary cause of Hereditary Hemorrhagic Telangiectasia (HHT). HHT is typically caused by rare, highly penetrant pathogenic mutations in the ENG gene, whereas this variant is a common SNP with a much smaller, less certain impact.
Should I be worried if I have the G allele?
Having a specific allele does not mean you will develop a health condition. Genetic variants are only one piece of a complex puzzle, and most people with this variant will not experience clinical vascular issues related to it.
Can I use this information to change my diet or exercise?
General health recommendations, such as maintaining a heart-healthy diet and regular exercise, are beneficial for everyone regardless of their genotype. You should not change your health regimen based solely on a single genetic variant.
Where can I find more information about my ENG gene results?
You can discuss your genetic results with a primary care physician or a board-certified genetic counselor. They can provide context based on your personal and family medical history.
Sources & further reading
Educational information only, last refreshed 9/30/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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Genetic variant identified in the ENG gene, relevant for clinical screening of vascular disorders.
A known pathogenic mutation in the ENG gene linked to vascular malformations.
Pathogenic variant in the ENG gene associated with hereditary hemorrhagic telangiectasia type 1.
A variant in the ENG gene potentially impacting protein function related to vascular development.
This variant is located within the ENG gene, which is associated with hereditary hemorrhagic telangiectasia.
Clinically significant variant in the ENG gene associated with hereditary hemorrhagic telangiectasia.