SRSF6 rs2235611: What Your Genotype Means
The rs2235611 variant is a single nucleotide polymorphism located within the SRSF6 gene. Research has explored its potential association with systemic sclerosis and specific clinical manifestations, such as interstitial lung disease.
What each genotype means
Increased systemic sclerosis risk
Research indicates that individuals with this genotype may have an increased predisposition to systemic sclerosis. Studies have specifically observed associations between this genotype and clinical features such as interstitial lung disease and late nailfold videocapillaroscopy patterns in affected individuals.
This genotype is one of the possible outcomes for this variant, though specific frequency data varies by population.
Typical risk profile
This genotype represents a heterozygous state for this variant. Current research focuses primarily on the association of the AA genotype with systemic sclerosis, and there is limited evidence suggesting that the AG genotype carries the same level of risk.
This genotype is one of the possible outcomes for this variant, though specific frequency data varies by population.
Typical risk profile
This genotype represents the homozygous state for the major allele. There is no current evidence suggesting that this genotype is associated with an increased risk for systemic sclerosis compared to the general population.
This genotype is one of the possible outcomes for this variant, though specific frequency data varies by population.
Understanding the rs2235611 Variant
The rs2235611 variant is a specific genetic change, or single nucleotide polymorphism (SNP), located on chromosome 20. In the context of human genetics, SNPs represent the most common type of variation, where a single building block of DNA—a nucleotide—differs between individuals. This particular variant is situated within the SRSF6 gene, which provides instructions for creating a protein involved in the complex process of mRNA splicing. By studying where this variant sits in the genome, researchers aim to understand how subtle changes in DNA sequence might influence the regulation of gene expression. While the variant is well-documented in genomic databases, it is important to recognize that the presence of a specific allele does not guarantee a particular health outcome, as genetic predisposition is often the result of complex interactions between multiple genes and environmental factors.
The Role of the SRSF6 Gene
The SRSF6 gene encodes a protein known as serine/arginine-rich splicing factor 6. This protein is a member of the SR family of splicing factors, which are essential components of the spliceosome—the cellular machinery responsible for processing pre-mRNA into mature mRNA. By binding to specific RNA sequences, SRSF6 helps the cell decide which segments of a gene to include or exclude during the splicing process, a mechanism known as alternative splicing. This process allows a single gene to produce multiple different protein isoforms, significantly increasing the functional diversity of the human proteome. Because of its central role in post-transcriptional control, SRSF6 is expressed in various tissues, including the brain, respiratory system, and endocrine system. Disruptions in splicing factors like SRSF6 can have broad impacts on cellular function, which is why researchers investigate how variants in this gene might contribute to disease susceptibility.
Research and Clinical Associations
Scientific interest in rs2235611 has primarily focused on its potential link to systemic sclerosis (SSc), a complex autoimmune condition. A candidate gene study involving white Italian individuals observed that the AA genotype of rs2235611 showed a statistically significant association with susceptibility to systemic sclerosis. Furthermore, the study suggested that individuals with the AA genotype might have a higher predisposition to specific clinical features of the disease, such as interstitial lung disease (ILD) and late-stage nailfold videocapillaroscopy (NVC) patterns. It is important to note that the evidence for these associations is considered moderate and stems from specific study populations. While these findings provide valuable insights into the genetic architecture of systemic sclerosis, they do not imply a direct cause-and-effect relationship. Further research across diverse ancestral groups is necessary to confirm these associations and to understand the underlying biological mechanisms by which this variant might influence disease risk.
Interpreting Your Genetic Information
When reviewing information about genetic variants like rs2235611, it is essential to maintain a balanced perspective. Genetic associations identified in research studies are statistical observations made across large groups of people; they are not diagnostic tools for individuals. Having a specific genotype does not mean you will develop a particular condition, nor does the absence of a risk genotype guarantee protection. If you are concerned about systemic sclerosis or any other health condition, the most appropriate course of action is to consult with a qualified healthcare professional, such as a rheumatologist. They can evaluate your personal and family medical history, perform necessary clinical assessments, and provide guidance based on established medical standards. Never use genetic data to make independent medical decisions or to alter prescribed treatments without professional supervision.
How common is this variant?
The frequency of the rs2235611 alleles varies across different ancestral populations, and specific genotype distributions are typically documented in large-scale genomic databases like gnomAD.
Frequently asked questions
What is the SRSF6 gene?
The SRSF6 gene provides instructions for making a protein that helps regulate mRNA splicing. This process is crucial for creating different versions of proteins from a single gene.
Is rs2235611 a diagnostic test for systemic sclerosis?
No, rs2235611 is not a diagnostic test. It is a genetic variant that has been studied for its statistical association with systemic sclerosis risk, but it cannot predict whether an individual will develop the disease.
What should I do if I have the AA genotype?
If you are concerned about your health, you should discuss your genetic results with a healthcare provider. They can interpret these findings in the context of your overall health and family history.
Are there other factors that influence systemic sclerosis risk?
Yes, systemic sclerosis is a complex condition influenced by a combination of genetic, environmental, and lifestyle factors. Genetics is only one piece of the puzzle.
Sources & further reading
Educational information only, last refreshed 10/12/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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