CPT1A rs80356786: What Your Genotype Means
The rs80356786 variant is a specific genetic change located within the CPT1A gene. It is associated with carnitine palmitoyltransferase I deficiency, a rare metabolic disorder that affects how the body processes long-chain fatty acids.
What each genotype means
Typical metabolic profile
This is the reference genotype for the CPT1A gene at this location. It is considered the standard sequence and is not associated with the metabolic deficiency described for this variant.
This is the most common genotype found in the general population.
Carrier of variant
You carry one copy of the variant associated with CPT1A deficiency. Because this condition is inherited in an autosomal recessive manner, carrying a single copy typically does not result in the clinical symptoms of the disorder, though you may be a carrier.
This genotype is rare in the general population.
Potential metabolic risk
This genotype is associated with CPT1A deficiency, a condition that impairs the body's ability to convert certain fats into energy. Individuals with this genotype should consult with a metabolic specialist or genetic counselor to understand their specific health risks and clinical implications.
This genotype is very rare in the general population.
Understanding the Variant
The variant rs80356786 is a single nucleotide polymorphism (SNP) located on chromosome 11 within the CPT1A gene. In genetics, a SNP represents a variation at a single position in the DNA sequence. This specific variant is cataloged in major genomic databases, including dbSNP and ClinVar, where it has been studied for its potential impact on protein function. Because it sits within the coding region of the CPT1A gene, researchers investigate whether this change alters the structure or efficiency of the resulting enzyme. Understanding the location of this variant is the first step in determining how it might influence metabolic pathways in the liver and other tissues.
The Role of the CPT1A Gene
The CPT1A gene provides the essential instructions for creating the enzyme carnitine palmitoyltransferase 1A. This enzyme is primarily active in the liver and plays a critical role in the body's energy production. Its main function is to help transport long-chain fatty acids into the mitochondria, which are the powerhouses of the cell. Once inside, these fatty acids undergo a process called beta-oxidation to be converted into energy. When the CPT1A enzyme is not functioning correctly, the body struggles to break down these fats, especially during periods of fasting or illness. This can lead to a buildup of fatty acids and a shortage of energy, which characterizes the metabolic disorder known as carnitine palmitoyltransferase I deficiency.
Research and Clinical Evidence
Scientific research has linked certain mutations in the CPT1A gene to carnitine palmitoyltransferase I deficiency. The evidence for rs80356786 is categorized as having moderate strength in clinical databases. While some variants in this gene are well-documented as pathogenic, the clinical significance of any single variant can be complex. It is important to note that metabolic disorders like CPT1A deficiency are typically inherited in an autosomal recessive pattern, meaning an individual usually needs to inherit two copies of a pathogenic variant—one from each parent—to manifest the condition. Current research continues to evaluate how specific variants like rs80356786 contribute to the overall spectrum of this deficiency, and clinical interpretations may be updated as more data becomes available.
Population Frequency
The rs80356786 variant is considered rare in the general population. Genomic databases like gnomAD provide data on how frequently specific alleles appear across different ancestral groups, helping researchers distinguish between common variations and those that are clinically significant. Because this variant is rare, it is not commonly found in the general public, which is consistent with its association with a specific, rare metabolic disorder.
Interpreting Your Results
If you have received information about your status for rs80356786, it is important to understand that this is not a medical diagnosis. Genetic testing results should always be interpreted in the context of your personal and family health history. Because this variant is associated with a metabolic condition, you cannot use this information to make health decisions on your own. If you are concerned about your results or have questions about metabolic health, you should consult with a qualified healthcare provider, such as a genetic counselor or a metabolic specialist. They can help you understand the clinical relevance of your genotype and determine if any further testing or monitoring is appropriate for your specific situation.
How common is this variant?
The rs80356786 variant is rare across most global populations, appearing at very low frequencies in large-scale genomic datasets.
Frequently asked questions
What is CPT1A deficiency?
CPT1A deficiency is a rare metabolic disorder that prevents the body from using certain fats for energy. It is most often triggered by fasting or illness, which can lead to low blood sugar and other metabolic complications.
Is rs80356786 a diagnosis?
No, identifying a genetic variant is not a medical diagnosis. A diagnosis for a metabolic disorder requires clinical evaluation, blood tests, and professional medical assessment.
What should I do if I have this variant?
If you are concerned about your genetic results, you should share them with your primary care physician or a genetic counselor. They can provide context based on your health history and determine if any follow-up is necessary.
Is this variant common?
No, rs80356786 is considered a rare variant. It is not found in the majority of the population.
Sources & further reading
Educational information only, last refreshed 9/24/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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