NR1H3 rs7120118: Understanding Your Genetic Fitness Profile
The rs7120118 variant is a single nucleotide polymorphism located within the NR1H3 gene. It has been studied for its potential associations with metabolic fitness and endurance performance in various athletic populations.
What each genotype means
Associated with metabolic markers
Research indicates that individuals with the CC genotype may show different levels of specific biomarkers, such as soluble Aβ42, compared to those with the TT genotype. This variant is located in the NR1H3 gene, which plays a role in lipid homeostasis and inflammation, and has been studied for its potential influence on metabolic fitness and athletic performance profiles.
The frequency of this genotype varies significantly across global populations and ancestral groups.
Heterozygous metabolic profile
This genotype represents a combination of both the C and T alleles for the rs7120118 variant. While specific athletic or metabolic outcomes for the heterozygous state are less clearly defined in literature than the homozygous states, it is understood that the NR1H3 gene influences pathways related to cholesterol and lipid regulation.
This genotype is found at varying frequencies worldwide, depending on the specific population's genetic background.
Associated with metabolic markers
Individuals with the TT genotype have been observed in studies to exhibit different levels of specific biomarkers, such as soluble Aβ42, compared to those carrying the CC genotype. As this variant is linked to the NR1H3 gene, it is considered in the context of metabolic fitness and potential associations with endurance performance traits.
The prevalence of this genotype is variable and depends on the ancestral population being studied.
What is the rs7120118 Variant?
The rs7120118 variant is a specific change in the DNA sequence within the NR1H3 gene. In genetics, a single nucleotide polymorphism (SNP) like rs7120118 represents a variation at a single position in the genome. This specific location is situated within the regulatory or coding regions of the NR1H3 gene, which provides instructions for producing a protein known as liver X receptor alpha (LXR-alpha). Because this variant is located in a gene involved in complex metabolic pathways, researchers have investigated whether different versions of this SNP might influence how the body processes energy or adapts to physical training. It is important to note that while SNPs are common, their functional impact can vary significantly depending on the individual's overall genetic background and environmental factors.
The Role of the NR1H3 Gene
The NR1H3 gene encodes the liver X receptor alpha (LXR-alpha), which functions as a ligand-dependent nuclear receptor. This protein plays a critical role in regulating the transcription of genes involved in cholesterol metabolism, lipid homeostasis, and glucose regulation. By heterodimerizing with the retinoid X receptor (RXR), LXR-alpha acts as a sensor for cellular cholesterol levels, helping the body maintain metabolic balance. Because of its central role in lipid and energy metabolism, the NR1H3 gene is a subject of interest in studies concerning metabolic health and physical performance. Research in animal models has suggested that LXR-alpha activity can influence antiatherogenic processes and systemic metabolic function, leading scientists to explore whether human genetic variations in this gene might correlate with differences in athletic endurance or metabolic efficiency.
Research and Evidence Strength
The evidence linking rs7120118 to athletic performance is considered moderate and remains a subject of ongoing scientific inquiry. While some studies have suggested that certain genotypes may be more prevalent in endurance athletes or associated with specific metabolic fitness profiles, the field of sports genomics is complex. Meta-analyses in this area often highlight that genetic associations can be inconsistent across different study populations. It is crucial to understand that athletic performance is a polygenic trait, meaning it is influenced by hundreds or thousands of genetic variants, as well as training, nutrition, and lifestyle. Consequently, a single SNP like rs7120118 cannot be used to predict an individual's athletic potential or success. Current research serves primarily to identify biological pathways that may contribute to physical adaptation rather than providing a definitive diagnostic tool for performance.
Interpreting Your Genetic Information
If you have received information about your rs7120118 genotype, it is important to view this data within the context of your overall health and lifestyle. Genetic testing for fitness-related variants is not a substitute for professional medical advice or personalized training programs. You cannot change your genotype, but you can influence your fitness through consistent exercise, balanced nutrition, and recovery strategies. This information should not be used to make medical decisions or to diagnose any condition. If you are interested in how your genetics might relate to your metabolic health or athletic goals, consider discussing these findings with a qualified sports nutritionist, exercise physiologist, or your primary healthcare provider. They can help you interpret these results in a way that is safe, practical, and tailored to your specific health needs and long-term wellness objectives.
How common is this variant?
The frequency of the rs7120118 alleles is variable across global populations, with different ancestral groups showing distinct distributions of the A and G alleles.
Frequently asked questions
Can rs7120118 predict if I will be a professional athlete?
No. Athletic performance is influenced by a vast array of genetic, environmental, and training factors. A single SNP cannot determine or predict athletic success.
Is the NR1H3 gene related to cholesterol levels?
Yes. The NR1H3 gene encodes LXR-alpha, which is a key regulator of cholesterol and lipid metabolism in the body. It helps the body maintain balance in these metabolic pathways.
Should I change my diet based on my rs7120118 genotype?
You should not make significant dietary changes based solely on a single genetic variant. Always consult with a registered dietitian or your doctor before altering your nutrition plan.
Where can I find more information about this variant?
You can search for rs7120118 in the NCBI dbSNP database or the GWAS Catalog for peer-reviewed research. These resources provide technical data on genetic variants.
Sources & further reading
Educational information only, last refreshed 10/15/2026. Not medical advice — these associations describe population statistics, not individual predictions.
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