ARSE rs80338711: Understanding This Genetic Variant
The genetic variant rs80338711 is located within the ARSE gene on the X chromosome. It is documented in clinical databases in association with X-linked recessive chondrodysplasia punctata, a rare skeletal disorder.
What each genotype means
Typical ARSE gene sequence
This genotype represents the reference sequence for this position in the ARSE gene. It is considered the common or wild-type form in most populations.
This is the most common genotype observed in the general population.
Pathogenic variant identified
This genotype is documented in clinical databases as a pathogenic variant associated with X-linked recessive Chondrodysplasia punctata 1. Because this gene is located on the X chromosome, individuals with only one X chromosome (typically males) who carry this variant may be at risk for the associated condition, while those with two X chromosomes may be carriers.
This genotype is rare and is primarily identified in clinical settings rather than the general population.
Pathogenic variant identified
This genotype is documented in clinical databases as a pathogenic variant associated with X-linked recessive Chondrodysplasia punctata 1. As this variant is located on the X chromosome, its clinical significance depends on the individual's sex chromosomes and whether they carry the variant on one or both X chromosomes.
This genotype is rare and is primarily identified in clinical settings rather than the general population.
What is rs80338711?
The variant rs80338711 is a single nucleotide polymorphism (SNP) located on the X chromosome at position 2,953,163 (GRCh38). In genetics, a SNP represents a variation at a single position in a DNA sequence among individuals. Because this variant is located on the X chromosome, its inheritance and expression patterns differ between biological males and females. Males have only one X chromosome, meaning they carry only one copy of this variant, while females have two. This specific location is within the ARSE gene, which provides instructions for making the arylsulfatase E enzyme. Researchers track such variants to understand how specific changes in the genetic code might influence biological processes or contribute to rare inherited conditions. It is important to note that the presence of a variant does not automatically imply a health condition, as many variants are benign or have no observable effect on human health.
The Role of the ARSE Gene
The ARSE gene encodes the arylsulfatase E enzyme, which is part of a family of enzymes involved in the modification of sulfated molecules. These enzymes are essential for the proper development of cartilage and bone. Research has shown that the ARSE gene is critical during fetal development, particularly in the formation of the skeleton. When the ARSE gene is non-functional or absent, it can lead to a condition known as X-linked recessive chondrodysplasia punctata (CDPX1). This condition is characterized by abnormal bone development, often resulting in short stature, distinctive facial features, and punctate calcifications—small spots of calcium deposits—visible on X-rays of the cartilage. Understanding the function of this gene helps scientists explain why certain mutations lead to skeletal abnormalities, as the enzyme's activity is necessary for normal cellular signaling and structural integrity in developing tissues.
Research and Clinical Evidence
The evidence linking rs80338711 to clinical phenotypes is primarily derived from its classification in databases like ClinVar, where it is associated with X-linked recessive chondrodysplasia punctata. Scientific literature has identified various point mutations within the ARSE gene that disrupt its function, leading to the clinical presentation of CDPX1. While some variants in the ARSE gene are clearly pathogenic, the interpretation of any specific SNP requires careful clinical correlation. It is essential to distinguish between a variant that causes a rare, severe condition and common genetic variations that may have little to no impact on health. Current research continues to investigate the broader role of the ARSE gene, including its potential involvement in other physiological processes, such as vascular calcification, though these associations are distinct from the primary skeletal conditions linked to ARSE mutations.
Population Frequency and Interpretation
The frequency of the rs80338711 variant is variable across different ancestral populations. In genetic studies, rare variants associated with specific clinical conditions are often found at very low frequencies in the general population. Because this variant is linked to a rare, X-linked recessive condition, it is not a common polymorphism found in the majority of the population. When interpreting genetic data, it is important to remember that population frequency is only one piece of the puzzle. A variant's presence in a database does not serve as a medical diagnosis. If you have concerns about your genetic results or family history, the most appropriate step is to consult with a qualified healthcare provider or a genetic counselor. They can provide context based on your personal health history and help you understand what, if any, clinical significance a specific genetic finding may have for you.
How common is this variant?
The rs80338711 variant is rare in the general population, with frequency data being highly variable depending on ancestral background.
Frequently asked questions
What is X-linked recessive chondrodysplasia punctata?
It is a rare genetic disorder that affects bone and cartilage development. It is caused by mutations in the ARSE gene and is characterized by abnormal calcification in the cartilage.
Does having this variant mean I have a disease?
No, identifying a genetic variant does not constitute a medical diagnosis. Clinical diagnosis requires a physical examination, medical history, and often specialized testing by a physician.
Can I use this information to change my diet or lifestyle?
There is no evidence that lifestyle or dietary changes can alter the effects of a pathogenic variant in the ARSE gene. Always consult with a doctor before making health-related decisions based on genetic data.
Where can I find more information about my specific genetic results?
You should discuss your results with a genetic counselor or a medical geneticist. They are trained to interpret complex genetic information in the context of your personal and family health history.
Sources & further reading
Educational information only, last refreshed 9/19/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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