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- W4229026095 abstract "Abstract Purpose Eating disturbances are complex heritable conditions that can be influenced by both genetic and environmental factors but are poorly studied in early development. The aim of this research was to investigate the association of genetic polymorphisms within dopaminergic pathways with early feeding problems. Methods We analyzed the presence of VNTR polymorphisms of DRD4 (rs1805186) and DAT1 (rs28363170) in overeating ( N = 45), undereating ( N = 48) and control ( N = 44) young children. We also assessed presence of externalizing, internalizing and dysregulation symptoms by the Child Behavior Checklist and quality of mother–child interactions during feeding by the Italian adaptation of the Scale for the Assessment of Feeding Interaction, respectively. Results Both polymorphisms were associated with children’s eating behavior, psychological symptoms and quality of interaction with their mothers, suggesting that: (a) the DRD4 4-repeat allele behaves as a protective factor, the 2-repeats and 7-repeats alleles as risk factors, for undereating behavior, the general quality of mother–child interaction and internalizing, externalizing and dysregulated symptoms; and (b) the DAT1 9-repeats allele behaves as a protective factor, the 10-repeats allele as a risk factor, for overeating behavior, the general quality of mother–child interaction, internalizing, externalizing and dysregulated symptoms. Finally, a gene x gene interaction is suggested between the DAT1 9-repeat or 10-repeat allele and the DRD4 4-repeat allele. Conclusions Our results suggest a role for DRD4 and DAT1 in an early susceptibility to eating disturbances. Level of evidence III Evidence obtained from well-designed case–control analytic study." @default.
- W4229026095 created "2022-05-08" @default.
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- W4229026095 date "2022-05-05" @default.
- W4229026095 modified "2023-10-14" @default.
- W4229026095 title "Disordered eating in early childhood: DRD4 and DAT1 gene polymorphisms and quality of mother–child interaction" @default.
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- W4229026095 doi "https://doi.org/10.1007/s40519-022-01408-4" @default.
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