MYO15A rs397517286: Understanding This Genetic Variant
The variant rs397517286 is a rare genetic change located within the MYO15A gene. It has been identified in clinical research as being associated with nonsyndromic hearing loss and deafness.
What each genotype means
Carrier status
You carry one copy of the insertion variant. Research in clinical databases has associated this variant with nonsyndromic hearing loss, though the clinical significance of carrying a single copy should be discussed with a genetic counselor or clinician.
This genotype is rare in the general population.
Associated with hearing loss
You carry two copies of this insertion variant, which is documented in ClinVar as pathogenic for nonsyndromic hearing loss and deafness. Please consult with a medical professional or genetic specialist to understand what this means for your health and to discuss any necessary clinical evaluations.
This genotype is very rare in the general population.
What is rs397517286?
The identifier rs397517286 refers to a specific genetic variation cataloged in the dbSNP database. Located on chromosome 17, this variant is technically classified as an insertion, specifically a duplication of a cytosine base. In genetic research, variants like this are studied to understand how small changes in the DNA sequence can influence biological traits or health conditions. Because it is a rare variant, it is not commonly found in the general population, which makes it a subject of interest primarily in clinical genetics and specialized research studies rather than broad population-wide screening.
The Role of the MYO15A Gene
The rs397517286 variant is associated with the MYO15A gene. This gene provides instructions for making a protein called myosin XVa, which is essential for the normal function of hair cells in the inner ear. These specialized cells are responsible for converting sound waves into electrical signals that the brain interprets as sound. When the MYO15A gene is altered, the resulting protein may not function correctly, which can disrupt the development or maintenance of the structures within the inner ear required for hearing. Research into this gene is critical for understanding the molecular mechanisms underlying various forms of hereditary hearing loss.
Clinical Associations and Evidence
In clinical databases such as ClinVar, rs397517286 has been documented in association with nonsyndromic hearing loss and deafness. The evidence for this association is derived from clinical observations where individuals presenting with hearing loss were found to carry this specific genetic change. It is important to note that while this variant is linked to hearing loss, the presence of a genetic variant does not guarantee that an individual will experience a specific health outcome. Genetic conditions are complex, and the impact of a variant can be influenced by other genetic factors and environmental influences. Clinical interpretation of such variants is typically handled by medical geneticists who consider the full clinical picture.
Population Frequency
The rs397517286 variant is considered rare across global populations. Because of its low frequency, it is not typically captured in large-scale general population studies, and its prevalence is more often documented in clinical cohorts focused on hereditary hearing loss.
Navigating Genetic Information
Information about genetic variants like rs397517286 is intended for educational purposes to help the public understand the role of genetics in health. It is not a substitute for professional medical advice, diagnosis, or treatment. If you or a family member have concerns about hearing loss or are interested in genetic testing, it is essential to consult with a healthcare provider or a certified genetic counselor. These professionals can provide context based on your personal and family medical history, explain the limitations of genetic testing, and guide you through the appropriate clinical steps. Never make medical decisions based solely on information found in online databases.
How common is this variant?
The rs397517286 variant is rare in the general population, with most documented cases appearing in clinical research cohorts related to hearing loss.
Frequently asked questions
What does it mean if I have a rare variant?
Having a rare variant simply means that the specific DNA sequence is not common in the general population. It does not automatically mean you have a health condition, as many rare variants have no known impact on health.
Is rs397517286 a cause of deafness?
Research has associated this variant with nonsyndromic hearing loss. However, genetic associations are complex, and you should speak with a medical professional to understand what this means for your specific health.
Should I get tested for this variant?
Genetic testing is typically recommended by a doctor if there is a clinical reason, such as a family history of hearing loss. You should discuss the necessity and implications of testing with a healthcare provider or genetic counselor.
Where can I find more information about MYO15A?
You can find reliable information about genes and their functions through resources like MedlinePlus Genetics or the NCBI Gene database. These sites provide summaries of how genes work and their roles in human health.
Sources & further reading
Educational information only, last refreshed 10/2/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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