GBA1 rs863224853: Understanding This Rare Genetic Variant
The rs863224853 variant is a rare genetic change located within the GBA1 gene. It has been identified in clinical studies as a potential contributor to the pathology of Gaucher disease, a lysosomal storage disorder.
What each genotype means
Typical genetic profile
This genotype represents the most common sequence found at this position in the human genome. It is considered the reference state and is not associated with the specific clinical conditions linked to the variant allele.
This is the most common genotype observed across all global populations.
Carrier status
Carrying one copy of this variant means you have a genetic change that has been identified in clinical studies as a potential contributor to Gaucher disease pathology. Because this condition is typically inherited in a recessive manner, carrying a single copy does not usually result in the disease, though you should discuss any family history or concerns with a genetic counselor or clinician.
This genotype is very rare in the general population.
Increased clinical risk
This genotype indicates that both copies of the gene carry the variant, which is associated with the development of Gaucher disease in clinical literature. Individuals with this profile may experience symptoms related to lysosomal storage disorders and should consult with a medical specialist for appropriate clinical evaluation and management.
This genotype is extremely rare and is primarily identified in clinical settings among individuals diagnosed with or being evaluated for Gaucher disease.
What is rs863224853 and Where is it Located?
The variant rs863224853 is a single nucleotide polymorphism (SNP) situated within the GBA1 gene. This gene is located on chromosome 1, specifically at the 1q22 cytogenetic location. In the context of genomics, a SNP represents a variation at a single position in the DNA sequence among individuals. Because GBA1 is a critical gene involved in cellular metabolism, variations within its sequence are subject to significant scientific scrutiny. Researchers track these specific coordinates to understand how changes in the DNA code might alter the structure or function of the proteins the body produces. While many SNPs are common and have no observable effect on health, rare variants like rs863224853 are often investigated for their potential to disrupt normal biological processes, particularly when they occur in genes known to be associated with hereditary conditions.
The Role of the GBA1 Gene
The GBA1 gene provides instructions for the body to produce an enzyme called glucocerebrosidase. This enzyme is primarily located in lysosomes, which are specialized compartments within cells that act as recycling centers. The main job of glucocerebrosidase is to break down a fatty substance called glucocerebroside into simpler components, such as glucose and ceramide. When the GBA1 gene contains variants that impair the function of this enzyme, the fatty substance can accumulate to toxic levels within the lysosomes. This accumulation is the hallmark of Gaucher disease, a lysosomal storage disorder that can affect various organs, including the spleen, liver, and bones. Because the enzyme is essential for cellular health, the integrity of the GBA1 gene is vital for maintaining normal metabolic balance throughout the body.
Research Associations and Evidence Strength
Current research identifies rs863224853 as a rare variant with moderate evidence linking it to Gaucher disease pathology. In clinical genetics, evidence strength is determined by the consistency and quality of data from studies, including patient reports and functional assays. While some GBA1 variants are well-established as pathogenic, others are classified as variants of uncertain significance or contributors to disease risk. The association of rs863224853 with Gaucher disease is based on its identification in clinical cohorts where individuals presented with symptoms of the disorder. However, it is important to note that Gaucher disease is typically inherited in an autosomal recessive manner, meaning that disease manifestation often requires the presence of two pathogenic variants. The specific impact of this variant may vary depending on the presence of other genetic factors, and ongoing research is required to fully characterize its clinical implications.
What You Can and Cannot Do With This Information
Genetic information regarding rare variants like rs863224853 is intended for educational purposes and should not be used for self-diagnosis or medical decision-making. If you have received a report indicating you carry this variant, it is essential to understand that genetic findings are complex and often require interpretation by a qualified healthcare professional, such as a genetic counselor or a medical geneticist. They can place this information into the context of your personal and family health history. You cannot use this information to predict a specific health outcome or to initiate treatment. If you have concerns about Gaucher disease or other genetic conditions, please consult with your clinician. They can provide appropriate guidance, recommend necessary diagnostic testing, and discuss the implications of your genetic results in a safe and supportive clinical environment.
How common is this variant?
The rs863224853 variant is classified as very rare in the general population, with limited data available across diverse ancestral groups.
Frequently asked questions
What is Gaucher disease?
Gaucher disease is a rare, inherited lysosomal storage disorder caused by a deficiency of the enzyme glucocerebrosidase. This leads to the accumulation of fatty substances in cells, which can cause symptoms like an enlarged spleen, bone pain, and blood abnormalities.
Does having a GBA1 variant mean I have Gaucher disease?
Not necessarily. Many people carry GBA1 variants without developing the disease, as it is typically inherited in an autosomal recessive pattern. A diagnosis requires clinical assessment and specific enzyme activity testing by a medical professional.
How is Gaucher disease diagnosed?
Diagnosis is typically confirmed through molecular genetic testing to identify pathogenic variants in the GBA1 gene and biochemical testing to measure glucocerebrosidase enzyme activity. These tests are performed in clinical settings.
Can I change my GBA1 genotype?
No, your genotype is determined at conception and cannot be changed. Genetic information is a static part of your biological makeup.
Sources & further reading
Educational information only, last refreshed 10/8/2026. Not medical advice — these associations describe population statistics, not individual predictions.
Curious what your genotype is for rs863224853?
Upload a raw DNA file from 23andMe, AncestryDNA, MyHeritage, or FamilyTreeDNA and see this variant — plus thousands more — interpreted in your full report.
Get my report — $29Related variants in GBA1
Also known as the N370S (p.Asn409Ser) mutation, this missense variant is a classic cause of Gaucher disease type 1 in homozygotes and significantly elevates Parkinson's disease risk in heterozygotes.
A variant in the GBA1 gene associated with Gaucher disease and increased risk for Parkinson's disease.
Pathogenic missense substitution (p.Leu483Pro / L444P) in GBA1 associated with Gaucher disease.
Pathogenic missense substitution (p.Asn409Ser) conferring carrier status for Gaucher disease type 1.
A pathogenic missense variant (p.Leu483Pro, legacy L444P) in GBA1 determining carrier status for Gaucher disease and acting as a susceptibility risk factor for Parkinson disease.
Pathogenic variant (c.84dupG) causing severe deficiency in glucocerebrosidase activity, associated with Gaucher disease.