期刊
NUTRIENTS
卷 14, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/nu14010152
关键词
omega-3 polyunsaturated fatty acids; food allergy; immune system; allergy prevention; nutritional sciences; pediatrics
Polyunsaturated fatty acids (PUFAs) may have potential beneficial effects on the prevention and treatment of pediatric food allergy, but there is still a lack of consistent clinical data to determine the optimal timing, dosage, and individuals most likely to benefit.
Polyunsaturated fatty acids (PUFAs) are involved both in immune system regulation and inflammation. In particular, within the PUFAs category, omega-3 (omega-3) may reduce inflammation, whereas omega-6 (omega-6) PUFAs are generally considered to have a proinflammatory effect. Recent evidence highlights an imbalance in the omega-3:omega-6 ratio with an increased intake of omega-6, as a consequence of the shift towards a westernized diet. In critical age groups such as infants, toddlers and young children, as well as pregnant and lactating women or fish allergic patients, omega-3 intake may be inadequate. This review aims to discuss the potential beneficial effects of PUFAs on pediatric food allergy prevention and treatment, both at prenatal and postnatal ages. Data from preclinical studies with PUFAs supplementation show encouraging effects in suppressing allergic response. Clinical studies results are still conflicting about the best timing and dosages of supplementation and which individuals are most likely to benefit; therefore, it is still not possible to draw firm conclusions. With regard to food-allergic children, it is still debated whether PUFAs could slow disease progression or not, since consistent data are lacking. In conclusion, more data on the effects of omega-3 PUFAs supplementation alone or in combination with other nutrients are warranted, both in the general and food allergic population.
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