The Effect of ACACB Gene Variants on Gene Expression and Metabolic Traits
Author Information
Author(s): Ma Lijun, Mondal Ashis K., Murea Mariana, Sharma Neeraj K., Tönjes Anke, Langberg Kurt A., Das Swapan K., Franks Paul W., Kovacs Peter, Antinozzi Peter A., Stumvoll Michael, Parks John S., Elbein Steven C., Freedman Barry I.
Primary Institution: Wake Forest School of Medicine
Hypothesis
We hypothesized that cis SNPs may regulate ACACB expression in insulin sensitive tissues and by consequence affect insulin sensitivity.
Conclusion
Common variants within the ACACB locus appear to regulate adipose gene expression in humans, and body fat may further regulate this expression.
Supporting Evidence
- ACACB SNP rs2075260 was associated with adipose ACACB messenger RNA expression in both European Americans and African Americans.
- The (A) allele of rs2075260 was linked to lower gene expression and higher insulin sensitivity in European Americans.
- Adipose ACACB expression was negatively associated with age and sex-adjusted BMI in European Americans.
Takeaway
This study looked at how certain gene variations affect fat metabolism and insulin sensitivity in people, finding that some gene changes can influence how our bodies process fat.
Methodology
The study involved genotyping ACACB SNPs in non-diabetic African American and European American adults and assessing their association with gene expression and insulin sensitivity.
Potential Biases
Potential bias due to the small sample size and lack of dietary intervention data.
Limitations
The study had a small sample size for African Americans and lacked longitudinal follow-up data.
Participant Demographics
The study included 440 non-diabetic adults, with 417 European Americans and 163 African Americans.
Statistical Information
P-Value
p=3.8×10−5
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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