What question did this study set out to answer?

To characterize the human scavenger receptor class B type I (SR-BI) gene and determine whether its genetic polymorphisms correlate with plasma lipid concentrations and body mass index.

July 1, 1999Arteriosclerosis Thrombosis and Vascular BiologyOpen Access

Association of Polymorphisms at the SR-BI Gene Locus With Plasma Lipid Levels and Body Mass Index in a White Population

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To characterize the human scavenger receptor class B type I (SR-BI) gene and determine whether its genetic polymorphisms correlate with plasma lipid concentrations and body mass index.
Screened the SR-BI gene for genetic variants in 489 white men and women.
Identified five variants across introns (3 and 5) and exons (1, 8, and 11), evaluating three common variants (allele frequency > 0.1) for phenotypic links.
Assessed associations with HDL-C, LDL-C, and body mass index using single-variant comparisons, haplotype analysis, and multiple regression models adjusted for age and sex.
The exon 1 variant was significantly associated with elevated HDL-C and decreased LDL-C in men (P < 0.05), but showed no association in women.
In women, the exon 8 variant was associated with lower LDL-C (3.05 ± 0.98 mmol/L for heterozygotes and 3.00 ± 0.93 mmol/L for homozygotes vs 3.39 ± 1.09 mmol/L for common allele homozygotes; P = 0.043), with no effect observed in men.
Female carriers of the intron 5 variant exhibited a significantly higher body mass index (23.8 ± 3.8 kg/m²; P = 0.031) compared with women homozygous for the common allele (22.4 ± 3.4 kg/m²).

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Implication

Genetic association study uncovers sex-specific links between SR-BI variants, plasma lipids, and body mass index in adults, suggesting a regulatory role in human lipoprotein metabolism.

Cite This Study

Acton et al. (1999) studied this question.

synapsesocial.com/papers/6aa042b430522ff74a8b46af https://doi.org/10.1161/01.atv.19.7.1734

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Implication

Genetic association study uncovers sex-specific links between SR-BI variants, plasma lipids, and body mass index in adults, suggesting a regulatory role in human lipoprotein metabolism.

Association of Polymorphisms at the SR-BI Gene Locus With Plasma Lipid Levels and Body Mass Index in a White Population

Key Points

Discussion

Implication

Cite This Study

Association of Polymorphisms at the SR-BI Gene Locus With Plasma Lipid Levels and Body Mass Index in a White Population

Key Points

Discussion

Implication

Cite This Study

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