MED13L rs1064796113: Understanding This Genetic Variant
The rs1064796113 variant is located within the MED13L gene, which plays a critical role in transcriptional regulation during early development. This variant is studied in the context of the Mediator complex, a group of proteins essential for gene expression in the heart and brain.
What each genotype means
Common variant profile
This genotype represents the most frequently observed sequence at this specific location in the MED13L gene. While MED13L is essential for transcriptional regulation and early development, this specific variant is documented as a common finding in clinical databases and is not typically associated with the rare, pathogenic mutations that cause MED13L-related neurodevelopmental or cardiac syndromes. No specific clinical action is indicated by this result.
This is the common genotype observed in the general population across diverse ancestries.
What is the rs1064796113 Variant?
The rs1064796113 variant is a specific genetic marker located within the MED13L gene. In genomics, an rsID (reference SNP cluster ID) like rs1064796113 acts as a unique identifier for a specific location in the human genome where a single nucleotide polymorphism (SNP) may occur. This variant sits on chromosome 12, a region known to house genes involved in complex developmental processes. While many variants in the human genome are common and have little to no impact on health, researchers track specific markers like this one to understand how variations in DNA sequence might influence biological pathways. Because this variant is cataloged in databases like ClinVar, it is frequently monitored by scientists investigating the genetic architecture of human development and the functional consequences of variations in transcriptional machinery.
The Role of the MED13L Gene
The MED13L gene provides the instructions for creating a protein that serves as a vital subunit of the Mediator complex. The Mediator complex is a large, multi-protein assembly that acts as a molecular bridge, transmitting signals from various transcription factors to RNA polymerase II, the enzyme responsible for transcribing DNA into RNA. By facilitating this interaction, MED13L helps regulate the expression of genes necessary for the early development of the heart and the brain. Research indicates that the Mediator complex acts as a switch in gene transcription, and its proper function is essential for cellular differentiation. When the function of genes like MED13L is altered, it can disrupt the precise timing and regulation of gene expression, which is why this gene is a primary focus in studies concerning neurodevelopmental disorders and congenital heart conditions.
Research and Clinical Associations
Scientific research has established a strong link between the MED13L gene and a condition known as MED13L-related neurodevelopmental disorder. Clinical studies have identified that variants in this gene can be associated with intellectual disability, speech impairment, motor developmental delay, and distinct facial features. Some individuals with pathogenic variants in this gene may also present with congenital heart defects or autism spectrum disorder. It is important to note that the evidence for specific variants varies; while some variants are clearly linked to clinical syndromes, others are identified in broader research cohorts. The evidence strength for the gene's role in these conditions is considered robust, supported by both case-level clinical data and experimental studies in neural progenitor cells. However, the specific impact of individual variants like rs1064796113 requires careful interpretation within the context of a person's entire genetic profile.
Population Frequency and Interpretation
The frequency of genetic variants can differ significantly across various ancestral populations. For the rs1064796113 variant, clinical databases often note its presence in diverse cohorts, though the specific frequency can be influenced by the population being studied. In many cases, variants cataloged in clinical databases are identified through large-scale sequencing efforts that aim to capture the breadth of human genetic diversity. Because this variant is listed in public repositories, it is accessible for researchers to compare against global population datasets. Understanding the frequency of a variant helps scientists determine whether it is a rare mutation or a more common polymorphism. If you have questions about your own genetic results or how a specific variant might relate to your health, it is essential to consult with a qualified healthcare provider or a genetic counselor who can provide context based on your personal and family medical history.
What You Can Do With This Information
Genetic information is a powerful tool for research, but it should always be interpreted with professional guidance. If you have identified this variant in your own genetic data, remember that the presence of a variant does not automatically imply a specific health outcome. Many factors, including other genes and environmental influences, contribute to complex traits and health conditions. You cannot use this information to diagnose yourself or others. Instead, use it as a starting point for a conversation with a medical professional. A genetic counselor can help you understand the clinical significance of your results, explain the limitations of current research, and discuss whether further testing or clinical evaluation is appropriate. Always prioritize information from your healthcare team over general online resources when making decisions about your health and well-being.
How common is this variant?
This variant is documented in clinical databases with varying frequencies across global populations, reflecting its status as a known marker in genetic research.
Frequently asked questions
What is the MED13L gene?
The MED13L gene encodes a protein that is a subunit of the Mediator complex, which regulates gene transcription. It is essential for the proper development of the heart and brain.
Is rs1064796113 a dangerous mutation?
The clinical significance of any variant depends on many factors. You should discuss this specific variant with a genetic counselor to understand its relevance to your health.
Can I use this information to diagnose a condition?
No, genetic variants alone are not diagnostic. Only a qualified healthcare professional can provide a diagnosis based on clinical symptoms, family history, and genetic testing.
Where can I find more information about MED13L?
You can find reliable information on the MED13L gene through resources like MedlinePlus Genetics, GeneCards, and the ClinVar database.
Sources & further reading
Educational information only, last refreshed 10/13/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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