SLC35A2 rs1057518719: Understanding This Genetic Variant
The rs1057518719 variant is located within the SLC35A2 gene, which plays a critical role in cellular glycosylation processes. This variant is cataloged in clinical databases, though its specific functional impact remains a subject of ongoing scientific study.
What each genotype means
Variant genotype
This genotype represents the presence of the variant allele on both chromosomes. Current scientific literature does not provide a specific clinical interpretation for this variant, and it is not currently linked to a known health condition in major clinical databases. Please consult with a genetic counselor or healthcare provider if you have specific concerns about your health or family history.
This specific genotype is extremely rare in the general population and is not commonly reported in large-scale genomic databases.
Heterozygous variant
This genotype indicates that you carry one copy of the variant allele and one copy of the common allele. There is currently no established clinical significance or disease association for this specific genotype in the scientific literature. As with any genetic finding, this should be interpreted in the context of your overall health and clinical history by a qualified professional.
This genotype is observed at a very low frequency across global populations.
Common genotype
This is the most common genotype observed at this position in the SLC35A2 gene. It is considered the typical or reference state for this variant in the general population. No specific health implications are associated with this genotype.
This is the predominant genotype found in the vast majority of individuals across all studied ancestral groups.
What is the rs1057518719 Variant?
The rs1057518719 variant is a specific single nucleotide polymorphism (SNP) identified within the human genome. It is situated on the X chromosome at the genomic location associated with the SLC35A2 gene. In genomics, a SNP represents a variation at a single position in a DNA sequence among individuals. While many SNPs are common and have no observable effect on health, others are studied for their potential to influence biological processes. The rs1057518719 variant is tracked in public databases like dbSNP and ClinVar, which serve as repositories for researchers to document and share findings regarding human genetic diversity. Because this variant is located in a gene known for its role in essential cellular functions, it is monitored to determine if it contributes to any measurable differences in protein production or cellular activity.
The Role of the SLC35A2 Gene
The SLC35A2 gene provides the instructions for creating an enzyme known as the UDP-galactose translocator. This enzyme is vital for a biological process called glycosylation, where sugar molecules are attached to proteins and lipids. This modification is necessary for these molecules to function correctly within the body. The gene produces two versions of this enzyme, UGT1 and UGT2, which operate within the Golgi apparatus of the cell. When this process is disrupted, it can lead to incomplete glycosylation, which may affect the function of various organs and tissues. Because of its importance, mutations in the SLC35A2 gene have been linked to a group of conditions known as congenital disorders of glycosylation (CDG). Understanding how this gene functions helps scientists better grasp the underlying mechanisms of these rare, inherited metabolic conditions.
Research and Evidence Strength
Current research into the SLC35A2 gene primarily focuses on its association with congenital disorders of glycosylation. While specific pathogenic mutations in this gene are well-documented in clinical literature, the evidence for the rs1057518719 variant is considered moderate or emerging. Many variants listed in large-scale catalogs are included because they have been identified in clinical settings, but this does not automatically imply that every variant causes a health condition. Scientific studies, such as those published in journals like Human Mutation, continue to characterize the functional impact of various SLC35A2 variants. It is important to distinguish between variants that are known to cause disease and those that are simply observed in the population. As of now, the functional significance of rs1057518719 is not fully established, and researchers are working to determine if it has any clinical relevance.
Population Frequency and Interpretation
Genetic variants like rs1057518719 are observed across different populations, and their frequency can vary significantly based on ancestry. Databases such as gnomAD provide data on how often these variants appear in the general population. For many variants, the frequency is low, while others may be more common. It is essential to remember that the presence of a variant does not constitute a medical diagnosis. Genetic information is complex, and many factors, including other genes and environmental influences, contribute to an individual's health. If you have questions about your genetic results or how they might relate to your health, the most appropriate step is to consult with a qualified healthcare provider or a genetic counselor. They can help interpret your results in the context of your personal and family medical history.
How common is this variant?
The rs1057518719 variant is noted in clinical catalogs, with frequency data varying across different ancestral groups as documented in large-scale genomic databases.
Frequently asked questions
What is the SLC35A2 gene?
The SLC35A2 gene encodes a transporter protein that moves sugar molecules into the Golgi apparatus, which is essential for the process of glycosylation.
Is rs1057518719 a disease-causing variant?
The clinical significance of rs1057518719 is not fully established. While some variants in SLC35A2 are linked to disorders, not all variants in the gene are pathogenic.
How can I find out if I have this variant?
This variant may be included in some genetic testing reports. You should review your specific report and discuss any findings with a healthcare professional.
What should I do if I am concerned about my genetic results?
If you have concerns about your genetic data, consult a genetic counselor or your primary care physician. They can provide context and guidance based on your health history.
Sources & further reading
Educational information only, last refreshed 10/11/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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