APOL1 rs116007020: Understanding Kidney Biomarker Associations
The genetic variant rs116007020 is located within the APOL1 gene, which plays a critical role in kidney health and immune function. Research has identified this specific variant as being associated with variations in the levels of kidney injury molecule 1 (KIM-1), a protein often used as a biomarker for renal stress.
What each genotype means
Typical KIM-1 levels
This genotype is associated with baseline levels of kidney injury molecule 1 (KIM-1) in the general population. Research indicates that variations at this genetic location may influence the amount of this biomarker, which is often studied as an indicator of renal proximal tubule health.
The frequency of this genotype varies by ancestry, though specific population-wide percentages for this variant are not currently established in major databases.
Varied KIM-1 levels
Carrying one copy of the variant allele is associated with differences in the levels of kidney injury molecule 1 (KIM-1). While KIM-1 is a recognized biomarker for kidney injury, this genetic association is based on statistical studies and does not indicate current kidney damage or disease.
The frequency of this genotype varies by ancestry, though specific population-wide percentages for this variant are not currently established in major databases.
Varied KIM-1 levels
Carrying two copies of the variant allele is associated with differences in the levels of kidney injury molecule 1 (KIM-1). This variant is identified in genome-wide association studies as a factor linked to the amount of this protein, which is used in research to monitor kidney function.
The frequency of this genotype varies by ancestry, though specific population-wide percentages for this variant are not currently established in major databases.
What is rs116007020?
The variant rs116007020 is a single nucleotide polymorphism (SNP) situated within the APOL1 gene on chromosome 22. In genomics, a SNP represents a variation at a single position in the DNA sequence among individuals. This specific location is of interest to researchers because the APOL1 gene is highly influential in human renal physiology. While many variants in this region are studied for their role in chronic kidney disease, rs116007020 is specifically noted for its statistical association with the levels of kidney injury molecule 1 (KIM-1). Understanding the location of this variant helps scientists map how specific genetic changes might influence the expression or regulation of proteins that signal kidney health.
The Role of the APOL1 Gene
The APOL1 gene provides instructions for making a protein called apolipoprotein L1. This protein is a component of high-density lipoprotein (HDL) particles in the blood. Beyond its role in lipid metabolism, APOL1 is well-known for its evolutionary function in providing resistance against certain parasites, such as Trypanosoma brucei, which causes African sleeping sickness. However, specific variants in this gene have been linked to an increased risk of kidney disease in certain populations. Because the gene is so active in the kidneys, researchers closely monitor how variations in its sequence might alter the kidney's ability to filter waste or respond to injury, making it a focal point for studies on renal biomarkers like KIM-1.
Research and Evidence Strength
The evidence linking rs116007020 to variations in KIM-1 levels is currently classified as moderate. KIM-1 is a transmembrane protein that is typically expressed at very low levels in healthy kidneys but is significantly upregulated in the proximal tubule cells following injury. By studying the association between this SNP and KIM-1, researchers aim to determine if certain genetic backgrounds predispose individuals to higher baseline levels of this biomarker or a more pronounced response to renal stress. It is important to note that while statistical associations exist, they do not imply a direct causal relationship or a medical diagnosis. Current research is ongoing to clarify the biological mechanisms that connect this specific genetic variant to the regulation of KIM-1 in the human body.
What You Can Do With This Information
Genetic information regarding variants like rs116007020 is primarily used for scientific research and population-level studies. It is not a diagnostic tool for assessing your personal kidney health or predicting future disease. If you have concerns about your kidney function or are interested in what your genetic profile means for your health, the most appropriate step is to consult with a healthcare professional, such as a primary care physician or a nephrologist. They can order clinically validated tests, such as blood or urine analysis, to evaluate your actual kidney function. Never use genetic research findings to make decisions about your medical care or to interpret your health status without professional clinical guidance.
How common is this variant?
Specific population frequency data for rs116007020 is not currently specified in major public catalogs, indicating that further research is needed to understand its distribution across different ancestral groups.
Frequently asked questions
Is rs116007020 a cause of kidney disease?
No, rs116007020 is a genetic variant associated with variations in a biomarker, not a direct cause of kidney disease. Genetic associations are statistical findings and do not equate to a medical diagnosis.
What is KIM-1?
Kidney Injury Molecule-1 (KIM-1) is a protein that serves as a biomarker for renal proximal tubule injury. It is typically measured in urine to help clinicians assess kidney health.
Should I get tested for this variant?
There is no clinical recommendation to test for this specific variant. If you are concerned about your kidney health, speak with your doctor about standard, clinically validated kidney function tests.
Where can I find more information on APOL1?
You can find reliable information on the APOL1 gene through the NCBI Gene database or MedlinePlus Genetics. These resources provide comprehensive summaries of gene function and related research.
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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