ALB rs75738598: Understanding Albumin Vanves Variants
The rs75738598 variant is a specific genetic change located within the ALB gene, which encodes serum albumin, the most abundant protein in human blood. This variant is historically associated with a rare albumin structural change known as Albumin Vanves.
What each genotype means
Typical albumin stability
This is the most common genotype observed in the general population. Research suggests that individuals with this genotype produce albumin with standard stability and binding characteristics, supporting normal systemic homeostasis under physiological stress.
This genotype is found in the vast majority of individuals across all global populations.
Variant albumin carrier
You carry one copy of this rare genetic variant. While albumin is essential for maintaining blood pressure and transporting substances like hormones and medications, the presence of this variant may slightly alter the protein's structural stability or binding affinity. Because this is a rare variant, its precise clinical significance during physiological stress is not fully characterized, and you should discuss any specific health concerns with your clinician.
This genotype is rare and observed at very low frequencies in most populations.
Rare variant albumin profile
You carry two copies of this rare variant. This genotype is associated with modified albumin, which has been studied in the context of altered protein function or stability. The clinical impact of this homozygous genotype is not well-defined in large population studies; therefore, it is important to interpret this in the context of your overall health and discuss any findings with a medical professional.
This genotype is extremely rare and is not expected to be found in the general population.
What is rs75738598?
The rs75738598 variant is a single nucleotide polymorphism (SNP) located on chromosome 4. In the context of human genetics, SNPs represent the most common type of genetic variation, where a single building block of DNA—a nucleotide—is replaced by another. This specific variant is cataloged in major databases like dbSNP and is linked to a structural variant of the albumin protein. Because it is a rare variant, it is not typically found in the general population at high frequencies. Researchers track such variants to understand how minor changes in the genetic code can lead to alterations in the physical structure or stability of proteins produced by the body. By studying these specific positions on the genome, scientists can better map the relationship between our DNA sequence and the functional proteins that maintain our physiological health.
The Role of the ALB Gene
The ALB gene provides the instructions for creating albumin, a vital protein synthesized in the liver and secreted into the bloodstream. Albumin is essential for maintaining colloid osmotic pressure, which prevents fluid from leaking out of blood vessels into surrounding tissues. Beyond this, it acts as a versatile transport vehicle, binding to and carrying a wide array of substances, including hormones, fatty acids, metabolites, and various medications. Because of its high concentration and binding capacity, albumin is a central player in systemic homeostasis. Genetic variations in ALB can sometimes lead to changes in the protein's structure or its overall concentration in the blood. While some variants are benign, others have been linked to clinical conditions such as familial dysalbuminemic hyperthyroxinemia or, in more severe cases, analbuminemia, where the body produces little to no functional albumin.
Research and Clinical Associations
The rs75738598 variant is specifically associated with a condition historically referred to as Albumin Vanves. Research into this variant often focuses on how the amino acid change affects the stability or binding properties of the albumin protein. While the evidence strength for this variant is considered moderate, it is primarily documented as a structural variant rather than a common risk factor for widespread disease. Recent broader research into the ALB gene has highlighted that rare loss-of-function variants can influence systemic markers, such as LDL cholesterol levels, though it is important to distinguish between structural variants like rs75738598 and those that cause a total loss of protein production. As with many rare genetic findings, the clinical significance of carrying this variant can vary, and it is often identified through specialized biochemical testing rather than routine screening.
Interpreting Your Genetic Information
If you have received information about your status for rs75738598, it is important to understand that this is a rare variant and its presence does not necessarily indicate a health crisis. Genetic associations are statistical observations made across large populations and do not serve as a medical diagnosis for any individual. Because albumin is involved in drug transport, some variants can theoretically influence how the body processes certain medications, but this is highly specific to the type of variant and the drug in question. You cannot use this information to diagnose yourself or make changes to your healthcare regimen. If you are concerned about your albumin levels or how a genetic variant might affect your health, you should discuss these results with a qualified clinician or a genetic counselor. They can provide context based on your personal medical history and determine if any follow-up testing is appropriate.
How common is this variant?
The rs75738598 variant is classified as rare, meaning it is found at a very low frequency across most global populations.
Frequently asked questions
What is Albumin Vanves?
Albumin Vanves is a historical term used to describe a specific structural variant of the serum albumin protein. It is linked to the rs75738598 genetic variant.
Does this variant cause disease?
The variant is primarily associated with structural changes in the albumin protein. It is not a common cause of disease, but you should consult a doctor if you have concerns about your blood protein levels.
Can I change my genotype?
No, your genotype is determined at conception and cannot be changed. Genetic information is a static record of your inherited DNA sequence.
Should I be worried about my cholesterol?
While some rare ALB variants have been linked to cholesterol levels in recent research, this is a complex area of study. Do not make assumptions about your health based on this SNP; discuss your lipid profile with your primary care physician.
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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