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. 2024 Apr 19;15(4):512.
doi: 10.3390/genes15040512.

Association between MCU Gene Polymorphisms with Obesity: Findings from the All of Us Research Program

Jade Avery  1 , Tennille Leak-Johnson  1   2 , Sharon C Francis  1   3
Affiliations

Association between MCU Gene Polymorphisms with Obesity: Findings from the All of Us Research Program

Jade Avery et al. Genes (Basel). .

Abstract

Obesity is a public health crisis, and its prevalence disproportionately affects African Americans in the United States. Dysregulation of organelle calcium homeostasis is associated with obesity. The mitochondrial calcium uniporter (MCU) complex is primarily responsible for mitochondrial calcium homeostasis. Obesity is a multifactorial disease in which genetic underpinnings such as single-nucleotide polymorphisms (SNPs) may contribute to disease progression. The objective of this study was to identify genetic variations of MCU with anthropometric measurements and obesity in the All of Us Research Program.

Methods: We used an additive genetic model to assess the association between obesity traits (body mass index (BMI), waist and hip circumference) and selected MCU SNPs in 19,325 participants (3221 normal weight and 16,104 obese). Eleven common MCU SNPs with a minor allele frequency ≥ 5% were used for analysis.

Results: We observed three MCU SNPs in self-reported Black/African American (B/AA) men, and six MCU SNPs in B/AA women associated with increased risk of obesity, whereas six MCU SNPs in White men, and nine MCU SNPs in White women were protective against obesity development.

Conclusions: This study found associations of MCU SNPs with obesity, providing evidence of a potential predictor of obesity susceptibility in B/AA adults.

Keywords: All of Us; MCU; SNP; obesity.

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Conflict of interest statement

The authors declare no conflicts of interest.

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