Abstract
Introduction. The tendency to weight gain is influenced by many genetic and environmental factors (nutrition, level of physical activity, social well-being, etc.), as well as complex interactions of these factors. Studying the genetic factors of obesity can help in developing individual strategies for the prevention and treatment of this common disease. One of the most important hereditary factors is the neurotransmitter systems gene polymorphism, (including the serotonin system gene polymorphism). The aim of the investigation is to study the associations of single nucleotide polymorphism of the rs6295 locus of the serotonin receptor gene 1A HTR1A with morphofunctional features and body weight gain. Material and methods. The study used the materials of a comprehensive anthropogenetic examination of 386 men and 418 women aged 17 to 30 years. More than 20 morphofunctional indicators were measured using the traditional anthropometric method. The material for genetic analysis was genomic DNA isolated from buccal epithelium. The reliability of intergroup differences was assessed using the Mann-Whitney criterion, while canonical discriminant analysis was used to study intergroup variability. Results. For the first time, a significant correlation was shown between the polymorphism of the serotonin receptor type 1 gene HTR1A and morphofunctional features: individuals with the G/G genotype with greater body weight have lower (compared to carriers of the C/C and C/G genotypes) values of the indicators of the level of metabolic processes and specific metabolism. Conclusion. The statistically significant obtained results may be used in the development of individual strategies for the prevention and treatment of obesity, and also allow us to supplement the information on the association of serotonin system gene polymorphism with morphofunctional features and contribute to expanding our understanding of the human physique features formation and their relationships with hereditary predisposition.
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More From: Moscow University Anthropology Bulletin (Vestnik Moskovskogo Universiteta Seria XXIII Antropologia)
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