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Updated: May 22, 2026

Assessing Whole-Body Lipid-Handling Capacity in Mice
Published on: November 24, 2020
The complex genetic basis of plasma triglycerides
Christopher T Johansen1, Robert A Hegele
1Department of Medicine, Schulich School of Medicine and Dentistry, Robarts Research Institute, University of Western Ontario, London, ON, Canada. cjohansen2015@meds.uwo.ca
Genetic studies reveal a direct link between high plasma triglyceride levels and cardiovascular risk, despite confounding factors. Research on hypertriglyceridemia clarifies genetic influences on triglyceride levels and associated disease predisposition.
Area of Science:
- Genetics
- Cardiovascular Medicine
- Metabolic Disorders
Background:
- Establishing a direct link between plasma triglyceride (TG) and atherosclerosis is challenging due to confounding factors like obesity and type 2 diabetes.
- Human genetic studies offer compelling evidence for a causal relationship between elevated plasma TG and cardiovascular risk.
Purpose of the Study:
- To review key studies on the genetic determinants of plasma triglyceride concentration.
- To explore genetic susceptibility to hypertriglyceridemia (HTG) and its phenotypic variations.
- To discuss the current understanding of the genetic and phenotypic spectrum of plasma TG.
Main Methods:
- Review of recent human genetic studies.
- Analysis of patient data with hypertriglyceridemia (HTG).
- Examination of genetic variation and its impact on plasma TG levels.
Main Results:
- Genetic factors play a significant role in determining plasma TG levels.
- Specific genetic variations are linked to hypertriglyceridemia susceptibility.
- Understanding the genetic basis of HTG is crucial for assessing cardiovascular risk.
Conclusions:
- Genetic insights are refining our understanding of plasma TG regulation and cardiovascular disease risk.
- Further research into the genetic and phenotypic spectrum of plasma TG is warranted.
- Genetic predisposition to elevated TG is a key factor in cardiovascular risk stratification.
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