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Updated: Nov 16, 2025

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Mass Spectrometry and Luminogenic-based Approaches to Characterize Phase I Metabolic Competency of In Vitro Cell Cultures
Published on: March 28, 2017
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The CYP2R1 Enzyme: Structure, Function, Enzymatic Properties and Genetic Polymorphism
Amelia Nathania Dong, Boon Hooi Tan, Yan Pan
1Monash University Malaysia.
Summary
Cytochrome P450 2R1 (CYP2R1) is crucial for vitamin D metabolism. Genetic variations in CYP2R1 influence vitamin D levels and disease risk, requiring further research.
Area of Science:
- Biochemistry
- Genetics
- Molecular Biology
Background:
- Cytochrome P450 2R1 (CYP2R1) plays a key role in vitamin D metabolism.
- Understanding CYP2R1's gene organization, protein structure, and function is essential.
Purpose of the Study:
- To review the current understanding of CYP2R1's structure, function, and genetic variations.
- To highlight the association of CYP2R1 with vitamin D levels and diseases.
Main Methods:
- Structural analysis of CYP2R1 protein.
- Review of genetic polymorphism studies, including single nucleotide polymorphisms (SNPs).
- Examination of CYP2R1's role in vitamin D 25-hydroxylation.
Main Results:
- CYP2R1 has a unique gene structure with five exons.
- Its crystal structure reveals a typical CYP fold with a closed conformation.
- CYP2R1 25-hydroxylates vitamin D in the liver, impacting circulating levels.
- Specific SNPs, like rs10741657, are linked to rickets, ovarian cancer, and multiple sclerosis.
Conclusions:
- CYP2R1 is a critical enzyme in vitamin D metabolism.
- Genetic variations in CYP2R1 significantly impact vitamin D levels and disease susceptibility.
- Further research is needed to elucidate the functional consequences of other CYP2R1 SNPs and their links to complex traits.
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