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Published on: August 14, 2013
Functional glucokinase regulator gene variants have inverse effects on triglyceride and glucose levels, and decrease
K Horvatovich1, S Bokor, N Polgar
1Department of Medical Genetics and Child Development, University of Pecs, Szigeti út 12, 7624 Pécs, Hungary.
Minor alleles of the glucokinase regulatory protein (GCKR) gene variants are linked to lower triglycerides and glucose levels. These GCKR variants offer protection against childhood obesity, suggesting potential benefits against adult diabetes and metabolic syndrome.
Area of Science:
- Genetics
- Metabolic Disorders
- Pediatrics
Background:
- The glucokinase regulatory protein (GCKR) gene variants rs1260326 and rs780094 have been associated with altered triglyceride and glucose levels in adults.
- Previous studies indicated that minor alleles of these GCKR variants may reduce the risk of type 2 diabetes.
Purpose of the Study:
- To investigate the association of GCKR variants (rs1260326 and rs780094) with triglyceride and glucose levels in children.
- To determine the allele distribution and potential effects of these GCKR variants on childhood obesity.
Main Methods:
- Genotyping of 221 obese children and 115 healthy controls using PCR-RFLP.
- Logistic regression analysis to assess the association between GCKR variants and obesity risk.
Main Results:
- Both functional GCKR variants were associated with elevated serum triglycerides and lower fasting plasma glucose levels in children.
- Carriers of GCKR variants showed a reduced risk of obesity (rs1260326: OR, 0.46; rs780094: OR, 0.41).
Conclusions:
- Functional GCKR variants modulate triglyceride and glucose levels in children.
- Minor alleles of GCKR variants confer protection against childhood obesity.
- These findings suggest potential protective effects of GCKR minor alleles against adult diabetes and metabolic syndrome.
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