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Updated: May 29, 2026
09:35
Measurement of Carotenoids in Perifovea using the Macular Pigment Reflectometer
Published on: January 29, 2020
Genetic variations involved in interindividual variability in carotenoid status
1INRA, UMR1260 "Lipid Nutrients and Prevention of Metabolic Diseases", Marseille, France. Patrick.Borel@univmed.fr
Molecular Nutrition & Food Research
|September 30, 2011
Summary
Genetic variations in proteins affect how the body absorbs and uses carotenoids, explaining differences between individuals. This research could lead to personalized nutrition advice based on genetic profiles.
Area of Science:
- Nutritional Genomics
- Biochemistry
- Human Physiology
Background:
- Dietary carotenoid absorption and utilization show significant interindividual variability.
- Recent discoveries highlight proteins crucial for carotenoid metabolism, offering potential explanations for this variability.
- Genetic variants in these proteins may influence their function, impacting carotenoid status.
Purpose of the Study:
- To explore the role of genetic variations in proteins involved in carotenoid metabolism.
- To understand how genetic differences contribute to the variability in carotenoid absorption and blood/tissue concentrations.
- To investigate the potential for personalized dietary recommendations based on genetic profiles.
Main Methods:
- Review of clinical studies on carotenoid absorption and response.
- Identification of key proteins in carotenoid metabolism (cleavage, uptake, transport).
- Analysis of genome-wide association studies (GWAS) and candidate gene studies on carotenoid status and genetic polymorphisms.
Main Results:
- Proteins like BCMO1, BCDO2, SR-BI, CD36, NPC1L1, GSTP1, and HR-LBP are implicated in carotenoid metabolism.
- Genetic variants (SNPs) in genes encoding these proteins are associated with differing carotenoid concentrations.
- Evidence suggests involvement of other proteins like ABCG5 and FABPs, requiring further confirmation.
Conclusions:
- Genetic variations in carotenoid metabolism proteins are a key factor in interindividual differences in carotenoid status.
- Further research is needed to identify all relevant proteins and genetic factors (e.g., CNVs, epigenetics).
- Personalized nutrition strategies for carotenoids, tailored to individual genetics, are a promising future application.
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