rs5128
Variant in the APOC3 gene (Apolipoprotein C3)
rs5128 is a single nucleotide polymorphism (SNP) in the APOC3 gene, involved in triglyceride metabolism. Variants at this position have been studied in relation to immune function, metabolism, and chronic illness.
This page is for educational and informational purposes only. Not a diagnostic tool. Always consult a qualified healthcare provider.
What is the rs5128 variant?
rs5128 is a SNP (single nucleotide polymorphism) in the APOC3 (Apolipoprotein C3) gene. It belongs to the Metabolism category and is part of the Mitochondrial & Metabolic biological cluster. ApoC-III inhibits lipoprotein lipase and the hepatic uptake of triglyceride-rich lipoproteins, increasing plasma triglyceride levels. Loss-of-function variants dramatically lower triglycerides and cardiovascular disease risk.
Biological role and pathway
This variant sits within the APOC3 gene, which is involved in the triglyceride metabolism pathway. Genes within the Mitochondrial & Metabolic cluster work together to maintain balanced function across interconnected biological systems.
Variants in genes within this pathway may influence an individual's predisposition to altered function — particularly under conditions of physiological stress such as viral infection or prolonged illness.
rs5128 and Long COVID / ME-CFS research
Hypertriglyceridemia is a COVID-19 complication and risk factor for severe disease. APOC3 variants affecting triglyceride clearance may influence the lipid dysregulation and cardiovascular risk associated with COVID-19 and Long COVID.
This information is based on published research and does not constitute medical advice. See references below.
Parent gene: APOC3
rs5128 is one of 3 known variants in the APOC3 gene. To understand the full biological context of this variant, explore the parent gene page.
View APOC3 gene page →Conditions studied in relation to rs5128
Research into APOC3 variants including rs5128 has explored associations with the following conditions. These are areas of scientific investigation and do not imply causation.
Genetic insights from DNA data
Consumer DNA files from 23andMe, AncestryDNA, and MyHeritage contain raw SNP data. When you upload your file to ChronicDNA, the analysis engine checks your genotype against a curated panel of 80+ genes selected for their relevance to Long COVID, ME/CFS, and connected biological pathways - some of which may include APOC3 and the rs5128 variant.
The report is educational - it explains which variants you carry, what the research says about them, and how they fit into the biological pathways most relevant to chronic illness. Results are presented in plain English with appropriate scientific context, no medical jargon, no scare tactics. All results should be discussed with a qualified healthcare provider.
Other variants in the APOC3 gene
The following variants in APOC3 are also studied in relation to chronic illness and may be analysed together for a more complete picture.
Frequently asked questions
What is the rs5128 variant in the APOC3 gene?
rs5128 is a single nucleotide polymorphism (SNP) located in the APOC3 (Apolipoprotein C3) gene, which is involved in triglyceride metabolism. ApoC-III inhibits lipoprotein lipase and the hepatic uptake of triglyceride-rich lipoproteins, increasing plasma triglyceride levels. Loss-of-function variants dramatically lower triglycerides and cardiovascular disease risk.
How may the rs5128 variant relate to Long COVID or ME/CFS?
Hypertriglyceridemia is a COVID-19 complication and risk factor for severe disease. APOC3 variants affecting triglyceride clearance may influence the lipid dysregulation and cardiovascular risk associated with COVID-19 and Long COVID.
Can a consumer DNA test detect the rs5128 variant?
Many consumer DNA tests such as 23andMe, AncestryDNA, and MyHeritage genotype common SNPs. ChronicDNA analyses your raw DNA file and reports on variants studied in relation to chronic illness, immune function, and metabolism. This is not a diagnostic service — results are informational and educational only.
Find out if you carry the rs5128 variant
Upload your DNA data from 23andMe, AncestryDNA, or MyHeritage and receive a personalised report covering >80 genes relevant to Long COVID and ME/CFS.
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References
The following publications were used in compiling the research context for APOC3 and its variants. This is not an exhaustive literature review.
- [1]PMID: 29400141
- [2]Nature Genetics
- [3]New England Journal of Medicine