Understanding rs886041379: A Rare Genetic Variant in the WAS Gene
The genetic variant rs886041379 is a rare insertion mutation located within the WAS gene on the X chromosome. It is currently documented in clinical databases as a pathogenic variant, though specific associated clinical conditions are not always explicitly provided in public summaries.
What each genotype means
Pathogenic variant carrier
This genotype indicates the presence of an insertion of a cytosine base, which has been classified as pathogenic in clinical databases. Because this variant is located on the X chromosome, individuals with only one X chromosome will express this variant if they carry it, while those with two X chromosomes may have different clinical implications; please consult with a medical professional or genetic counselor to understand what this means for your specific health context.
This is a rare genotype that is not commonly found in the general population.
What is rs886041379?
The identifier rs886041379 refers to a specific genetic variation cataloged in the dbSNP database. In genomic terms, this variant is an insertion, specifically characterized as an extra cytosine (C) nucleotide, often represented in HGVS nomenclature as NC_000023.10:g.48547274dupC. It is located on the X chromosome at position 48,688,885. Because it is a single-nucleotide insertion rather than a simple substitution of one letter for another, it is sometimes referred to as an indel. This variant is tracked by researchers to understand its potential impact on the structure and function of the protein encoded by the surrounding DNA sequence.
The Role of the WAS Gene
The rs886041379 variant is situated within the WAS gene. This gene provides instructions for making a protein called Wiskott-Aldrich syndrome protein (WASP). This protein is primarily found in blood cells and plays a critical role in the organization of the actin cytoskeleton, which is the internal framework that gives cells their shape and allows them to move. By regulating the cytoskeleton, the WASP protein is essential for the proper function of immune cells, including T cells and B cells. Mutations in the WAS gene can disrupt the production or function of this protein, which may interfere with the immune system's ability to respond to pathogens or maintain normal blood cell development.
Clinical Significance and Research Evidence
In the ClinVar database, rs886041379 is classified as pathogenic. This classification indicates that the variant has been identified in clinical settings as having a potential impact on health. However, it is important to note that public records for this specific variant often do not list a specific disease name or clinical phenotype. The evidence strength is considered moderate, reflecting that while the variant is recognized by clinical geneticists, the full spectrum of its clinical presentation may not be widely detailed in public-facing summaries. Because this is a rare variant, ongoing research and clinical case studies are necessary to fully understand its implications. Genetic variants are complex, and their presence does not automatically guarantee a specific health outcome.
Understanding Your Genetic Information
If you have encountered this variant in a genetic report, it is essential to approach the information with care. Genetic data is highly technical and requires professional interpretation to understand its relevance to an individual's health. A variant classified as pathogenic in a database like ClinVar does not constitute a medical diagnosis. Many factors, including other genetic variants, environmental influences, and personal health history, contribute to overall health. If you are concerned about this variant or its potential implications, you should consult with a board-certified genetic counselor or a medical geneticist. These professionals can provide context based on your specific clinical history and help you understand what this information means for you and your family.
How common is this variant?
The rs886041379 variant is considered rare in the general population, with limited frequency data available in large-scale genomic databases.
Frequently asked questions
What does it mean if a variant is 'pathogenic'?
A pathogenic classification means that clinical evidence suggests the variant is associated with a disease or health condition. It does not mean that an individual will definitely develop a specific illness, as clinical context is always required.
Can I use this information to diagnose myself?
No. Genetic variants must be interpreted by qualified healthcare professionals who can integrate the finding with your personal and family medical history. Self-diagnosis using online databases can lead to incorrect conclusions.
Where can I find more information about the WAS gene?
MedlinePlus Genetics is an excellent, reliable resource for learning about the function of specific genes and their roles in human health. You can search for the WAS gene on their website for a comprehensive overview.
Is this variant common?
No, rs886041379 is documented as a rare variant. It is not typically found in the general population at high frequencies.
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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