ADNP rs886041741: Understanding This Rare Genetic Variant
The rs886041741 variant is a rare genetic change located within the ADNP gene. It is associated with ADNP syndrome, a condition characterized by neurodevelopmental challenges, including intellectual disability and autism spectrum disorder.
What each genotype means
Pathogenic variant carrier
This genotype corresponds to a pathogenic duplication (NC_000020.10:g.49518565dupT) in the ADNP gene. Research indicates that pathogenic variants in ADNP are associated with neurodevelopmental disorders, including autism spectrum disorder and intellectual disability, and this specific variant is classified as pathogenic in clinical databases.
This genotype is extremely rare, with a minor allele frequency reported as less than 0.00001 in large-scale population databases like gnomAD.
What is rs886041741?
The variant rs886041741 is a specific genetic alteration identified within the ADNP gene, which is located on chromosome 20. In genetic databases, this variant is often described as a duplication of a single nucleotide (a 'T' insertion). Because it occurs within the coding region of the gene, such changes can potentially disrupt the normal sequence of the protein being produced. This variant is classified in clinical databases as pathogenic, meaning it is linked to specific health conditions. It is important to note that this variant is extremely rare in the general population. Genetic variants like this are typically identified through clinical sequencing when individuals present with specific developmental or neurological symptoms, rather than through routine population-wide screening.
The Role of the ADNP Gene
The ADNP gene provides the instructions for creating the Activity-Dependent Neuroprotective Protein. This protein plays a critical role in chromatin remodeling, a process that helps package DNA into chromosomes and regulates how genes are turned on or off. By controlling gene expression, the ADNP protein is essential for normal brain development and the function of various other body systems. When the ADNP gene is mutated, the resulting protein may not function correctly, which can lead to abnormal chromatin remodeling. This disruption alters the activity of many other genes, ultimately affecting the development of tissues and organs, particularly the brain. Research indicates that the ADNP protein is vital for maintaining the structural integrity of cells, and its dysfunction is a known contributor to syndromic forms of autism and intellectual disability.
Clinical Associations and Evidence
Research links pathogenic variants in the ADNP gene to ADNP syndrome, also known as Helsmoortel-Van der Aa syndrome. This is an autosomal-dominant neurodevelopmental disorder. Individuals with this condition often experience autism spectrum disorder, intellectual disability, distinct facial features, and potential deficits in multiple organ systems. The evidence for the pathogenicity of variants in this gene is strong, as they are recognized as a frequent genetic cause of syndromic autism. However, because rs886041741 is an extremely rare variant, clinical data regarding its specific impact on an individual's health is often derived from case studies or clinical diagnostic reports. It is important to understand that ADNP syndrome is typically not inherited; it usually results from new, or de novo, mutations that occur during the formation of reproductive cells or in early embryonic development, meaning there is often no family history of the disorder.
What You Can Do With This Information
If you or a family member have been identified as carrying the rs886041741 variant, it is essential to consult with a qualified healthcare professional, such as a clinical geneticist or a genetic counselor. They can provide context regarding the variant's significance based on your specific clinical presentation and family history. This information should never be used for self-diagnosis or to make independent medical decisions. Genetic testing results are complex and require expert interpretation to understand their implications for health and development. If this variant was identified in the context of a medical condition, your clinician can help coordinate appropriate care, support services, and longitudinal monitoring. Always discuss any concerns about genetic findings with your medical team, as they are best equipped to provide personalized guidance and address the specific needs of the individual.
How common is this variant?
The rs886041741 variant is extremely rare, with a minor allele frequency (MAF) of less than 0.00001 in major population databases like gnomAD.
Frequently asked questions
Is ADNP syndrome inherited from parents?
No, ADNP syndrome is typically not inherited. It is usually caused by a de novo mutation that occurs for the first time in the affected individual during early development.
What are the common symptoms of ADNP syndrome?
ADNP syndrome is characterized by a range of symptoms, most commonly including intellectual disability, autism spectrum disorder, and specific facial features. It can also affect other organ systems.
How is the rs886041741 variant detected?
This variant is typically detected through clinical genetic testing, such as whole-exome or whole-genome sequencing, often ordered by a physician when a patient presents with developmental concerns.
What should I do if I have this variant?
If you have been identified as a carrier of this variant, you should schedule an appointment with a genetic counselor or a medical geneticist. They can explain what this means for your health and provide appropriate clinical guidance.
Sources & further reading
Educational information only, last refreshed 9/22/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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