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Nutrición Hospitalaria
versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611
Resumen
COMERT, Tuğba Küçükkasap; MUşLU, Özlem y AğAGUNDUZ, Duygu. Associations among single nucleotide ploymorphisms in two addictive genes, food addiction, and antioxidant markers in recreationally active young women. Nutr. Hosp. [online]. 2023, vol.40, n.2, pp.332-339. Epub 05-Jun-2023. ISSN 1699-5198. https://dx.doi.org/10.20960/nh.04487.
Introduction:
food addiction is associated with genetic polymorphisms and decreased antioxidant intake.
Objectives:
this study determined the associations among food addiction, dopamine receptor 2 (DRD2) and toll-interleukin 1 receptor (TIR) domain-containing adaptor protein (TIRAP rs625413) gene polymorphisms, antioxidant capacities, and zinc levels among recreationally active Turkish women.
Methods:
the Yale Food Addiction Scale was used to evaluate the food addiction status. Serum antioxidant capacities and zinc levels were evaluated by blood analyses. Deoxyribonucleic acid (DNA) extraction was performed using peripheral blood leukocytes, and the polymorphism status of the DRD2 Taq 1A and TIRAP genes was investigated using a commercial kit.
Results:
the frequencies of the heterozygous genotypes of DRD2 Taq 1A and TIRAP were 23.1 % and 31.4 %, respectively, and the frequency of risk allele homozygous genotypes was 3.2 %. Most participants (94.4 %) had a nonpolymorphic/wild (CC) genotype in both genes; however, 11.5 % of the participants had a food addiction. The differences between serum antioxidant capacities, zinc levels, and body mass indices of those with and without food addiction were statistically significant. However, there were no differences in the serum zinc and antioxidant levels among the different genotypes.
Conclusion:
food addiction in young Turkish women was not associated with DRD2 Taq 1A or TIRAP polymorphisms but was associated with serum antioxidant capacities and zinc levels. Further studies on different loci of the same genes or genotypes of different genes with larger sample sizes are warranted.
Palabras clave : Food addiction; Women; Gene polymorphism; Allele; Genotypes.