Title : Novel CYP3A4 intron 6 single nucleotide polymorphism is associated with simvastatin-mediated cholesterol reduction in the Rotterdam Study.

Pub. Date : 2011 Dec

PMID : 21946898






8 Functional Relationships(s)
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1 Novel CYP3A4 intron 6 single nucleotide polymorphism is associated with simvastatin-mediated cholesterol reduction in the Rotterdam Study. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens
2 OBJECTIVES: CYP3A4 is involved in the oxidative metabolism of many drugs and xenobiotics including the HMG-CoA reductase inhibitor simvastatin. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens
3 The objective of this study was to investigate whether a new CYP3A4 functional single nucleotide polymorphism (SNP) in intron 6 (CYP3A4*22) modifies the effect of simvastatin on total cholesterol (TOTc) or LDL cholesterol (LDLc) reduction in a population-based cohort study. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens
4 The objective of this study was to investigate whether a new CYP3A4 functional single nucleotide polymorphism (SNP) in intron 6 (CYP3A4*22) modifies the effect of simvastatin on total cholesterol (TOTc) or LDL cholesterol (LDLc) reduction in a population-based cohort study. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens
5 METHODS: In a total of 80 incident simvastatin users, the association between the CYP3A4 intron 6 C>T SNP (rs35599367) and reduction in cholesterol levels was analyzed using linear regression analysis and adjusting for potential confounding factors. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens
6 RESULTS: The CYP3A4*22 allele was associated with a trend towards a stronger simvastatin lipid-lowering response, as reflected by the greater reduction in both TOTc and LDLc levels when compared with homozygous wild type. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens
7 CONCLUSION: The CYP3A4*22 intron 6 SNP T-variant allele was associated with reduced CYP3A4 activity, resulting in a better lipid lowering response to simvastatin, when data were adjusted for confounding factors. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens
8 CONCLUSION: The CYP3A4*22 intron 6 SNP T-variant allele was associated with reduced CYP3A4 activity, resulting in a better lipid lowering response to simvastatin, when data were adjusted for confounding factors. Simvastatin cytochrome P450 family 3 subfamily A member 4 Homo sapiens