EFEMP1 rs59985551: Understanding Genetic Links to Varicose Veins
The rs59985551 variant is a specific genetic marker located within the EFEMP1 gene. It is primarily studied for its statistical association with a predisposition to varicose veins, a condition characterized by the dilation and tortuosity of leg veins.
What each genotype means
Typical risk profile
This genotype represents the most common genetic sequence at this location. Research indicates that individuals with this genotype do not carry the specific allele associated with the increased risk of connective tissue-related outcomes, such as varicose veins, that have been linked to this locus.
This is the most frequently observed genotype across most global populations.
Slightly elevated risk association
Carrying one copy of the T allele has been associated in large-scale studies with a modest increase in the statistical likelihood of developing varicose veins. This association is believed to stem from the variant's role in influencing extracellular matrix homeostasis, though this effect is complex and influenced by many other genetic and lifestyle factors.
This genotype is seen at moderate frequency in many populations, occurring in roughly 1 in 5 individuals in some ancestry groups.
Elevated risk association
Individuals with two copies of the T allele show a stronger statistical association with a predisposition to varicose veins compared to those without the variant. While this suggests a potential difference in how your body maintains connective tissue integrity, it is not a diagnosis; many people with this genotype will never develop these conditions.
This genotype is less common than the others, typically occurring at a lower frequency depending on specific ancestral background.
What is rs59985551?
The variant rs59985551 is a single nucleotide polymorphism (SNP) situated within the EFEMP1 gene, which encodes the EGF-containing fibulin-like extracellular matrix protein 1. In the context of human genetics, SNPs represent the most common type of genetic variation, where a single building block of DNA—a nucleotide—differs between individuals. Researchers track these specific locations in the genome to identify patterns that may correlate with physical traits or health conditions. The rs59985551 variant is particularly notable in genetic research due to its strong linkage disequilibrium with other markers in the EFEMP1 region. Linkage disequilibrium describes a situation where specific alleles at different locations on a chromosome are inherited together more frequently than would be expected by chance. This means that rs59985551 often serves as a proxy for identifying broader genetic signatures within the EFEMP1 gene that are relevant to venous health.
The Role of the EFEMP1 Gene
The EFEMP1 gene provides instructions for creating a protein that is a vital component of the extracellular matrix, the structural framework that supports cells and tissues throughout the body. This protein, known as fibulin-3, plays a critical role in maintaining the integrity and elasticity of connective tissues. Because veins rely on the structural support of the extracellular matrix to maintain their shape and function against the pressure of blood flow, the proper expression and function of EFEMP1 are essential for venous health. Research indicates that EFEMP1 is involved in processes such as angiogenesis and the regulation of growth factor activity. When the structural proteins in the vein wall are compromised, it can lead to the weakening of vein valves or the walls themselves, which are the primary underlying causes of varicose veins. Understanding how variations in this gene influence protein structure or expression levels is a major focus of ongoing cardiovascular research.
Research and Associations
Scientific interest in rs59985551 stems from its association with varicose vein predisposition. Large-scale genetic studies, including genome-wide association studies (GWAS), have identified the EFEMP1 locus as a susceptibility region for chronic venous disease. In specific cohorts, such as those studied in Indian populations, researchers have observed that variants within this gene show a robust statistical link to the development of varicose veins. It is important to note that these findings represent statistical associations rather than direct causation. The evidence strength for this specific variant is considered moderate, as it often acts in concert with other genetic and environmental factors. Varicose veins are a complex, polygenic trait, meaning they are influenced by many different genes and lifestyle factors like age, weight, and physical activity. Therefore, the presence of this variant does not guarantee the development of the condition, nor does its absence provide immunity.
Population Frequency and Interpretation
The frequency of the rs59985551 variant varies across different global populations, being described as rare to moderate depending on the specific ancestral group. Population-scale sequencing databases, such as gnomAD, are essential for researchers to determine how common these variants are across diverse human ancestries. Because the frequency is not uniform, the potential impact of this variant may differ between individuals based on their genetic background. When interpreting this information, it is crucial to understand that genetic predisposition is only one piece of a much larger puzzle. Readers should view this information as a tool for understanding biological risk factors rather than a diagnostic indicator. If you are concerned about venous health or symptoms such as leg pain or swelling, it is best to consult with a healthcare professional who can evaluate your clinical history and provide appropriate guidance.
How common is this variant?
The rs59985551 variant is observed at varying frequencies across global populations, generally ranging from rare to moderate depending on ancestral background.
Frequently asked questions
Does having the rs59985551 variant mean I will get varicose veins?
No, having this variant does not mean you will develop varicose veins. It is a statistical association, and many other factors, including lifestyle, age, and overall genetic makeup, play a significant role in the development of the condition.
What is the function of the EFEMP1 gene?
The EFEMP1 gene encodes a protein called fibulin-3, which is a structural component of the extracellular matrix. It helps maintain the elasticity and integrity of tissues, including the walls of blood vessels.
How can I use this genetic information for my health?
This information is for educational purposes and should not be used for self-diagnosis. If you have concerns about your vein health, please discuss your symptoms and family history with a doctor.
Is rs59985551 the only gene associated with varicose veins?
No, varicose veins are a complex, polygenic condition. Research has identified multiple genetic loci, including EFEMP1 and KCNH8, that contribute to the risk of developing venous disease.
Sources & further reading
Educational information only, last refreshed 10/6/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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