Decrease in body mass index: Personal genotyping, individual diet, and exercise plan




Obesity, Genotype, Diet, Exercise


Introduction: Single nucleotide polymorphisms (SNPs) have lately been used for prediction of metabolic processes that may be related to obesity. The aim of our study was to examine the association of SNPs of several genes with obesity and physical activity in 18 healthy volunteers.

Methods: We used buccal swabs to collect and extract DNA from 18 volunteers. Pyrosequencing was used for molecular analysis of 13 polymorphisms in 10 genes (APOA2, MTHFR, MCM6, peroxisome proliferators-activated receptor gamma, FABP2, beta-2-adrenergic receptor (ADRB)2, ADRB3, A-actinin-3, angiotensin-converting enzyme, and FUT2). The volunteers’ personal data included body mass index (BMI), dietary practice and information on daily fitness and workout routine. Association between the 13 observed gene polymorphisms and individual BMI status (normal or overweight) was analyzed. Results of the DNA analysis were used for the expert evaluation by nutritionists and physiologists to obtain optimal regulation of nutrition and exercise. The volunteers had a dietary and fitness program for 12 months which they tracked by filling in a suitable study form.

Results: 14 volunteers had a moderate genetic predisposition for abdominal adipose-tissue accumulation, while 4 of them had genotypes not associated with abdominal fat tissue accumulation. A statistically significant difference was found between the value of BMI before and after the implementation of personalized training and nutrition plan within the group of overweight volunteers (paired sample t=3.382; p = 0.006; exact p = 0.015). The single-locus F-test showed no association between the gene polymorphisms and BMI values. In addition, no correlation was detected between the gene polymorphisms and amount of BMI reduction prior and after the implementation of the personalized training and nutrition plan within the overweighed group of volunteers.

Conclusion: Optimal nutrition and training plan are crucial for the BMI reduction as observed in the overweighed volunteers after the 12-month personalized training and individualized nutrition plan. However, the analyzed polymorphisms were not significantly associated with the obesity in this study.


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Decrease in body mass index: Personal genotyping, individual diet, and exercise plan. JHSCI [Internet]. 2017 Sep. 25 [cited 2024 Apr. 19];7(2):91-8. Available from:

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