This study investigated whether somatic markers mediate the effect of serotonin transporter genotype on Iowa Gambling Task (IGT) performance. Participants (N = 135) were genotyped for the insertion/deletion and singlenucleotide (rs25531) polymorphisms in the promoter region of the serotonin transporter gene (5-HTTLPR). The results of mediation analyses indicated that skin conductance responses that anticipated IGT card selections partially (i.e. 42% of the total effect) mediated the effect of genotype on IGT performance. In comparison with high-functioning 5-HTTLPR genotypes, the lowfunctioning genotypes were associated with higher total IGT scores. This suggests that the higher synaptic availability of serotonin, associated with the low-functioning 5-HTTLPR genotypes, may confer differential susceptibility to decision making under risk, and that almost half of this effect is explained by facilitated somatic markers during IGT.
Due to its similarity with human milk and its low allergenic properties, donkey milk has long been used as an alternative for infants and patients with cow’s milk protein allergy (CMPA). In addition, this milk is attracting growing interest in human nutrition because of presumed health benefits. It has antioxidant, antimicrobial, antitumoral, antiproliferative and antidiabetic activity. In addition, it stimulates the immune system, regulates the gastrointestinal flora, and prevents inflammatory diseases. Although all donkey milk components can contribute to functional and nutritional effects, it is generally accepted that the whey protein fraction plays a significant role. This review aims to highlight the active proteins and peptides of donkey milk in comparison with other types of milk, emphasizing their properties and their roles in different fields of health and food applications.
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