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The effect of salmon consumption during pregnancy on maternal and infant faecal microbiota, sIgA and calprotectin

Urwin, H. J., Miles, E. A., Noakes, P. S., Kremmyda, L.-S., Vlachava, M., Diaper, N. D., Godfrey, K. M., Calder, P. C., Vulevic, J. and Yaqoob, P. (2014) The effect of salmon consumption during pregnancy on maternal and infant faecal microbiota, sIgA and calprotectin. British Journal of Nutrition, 111 (5). pp. 773-784. ISSN 0007-1145

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To link to this item DOI: 10.1017/S0007114513003097

Abstract/Summary

The infant gut microbiota plays an important role in the development of the infant immune and gastrointestinal systems. We investigated whether increased salmon consumption during pregnancy, maternal weight gain during pregnancy or infant mode of feeding alter markers of gut immune defence and inflammation. Women (n = 123) who rarely ate oily fish were randomly assigned to remain on their habitual diet or to consume two 150 g portions of farmed salmon per week from 20 weeks pregnancy until delivery. At 38 weeks gestation the women (n = 75) provided a faecal sample and on days 7, 14, 28 and 84 post-partum, faecal samples were collected from the infants (n = 38). Fluorescence in situ hybridisation was used to determine the composition of the faecal microbiota and ELISA to measure faecal sIgA and calprotectin concentrations. There was no effect of salmon consumption on the faecal microbiota of the mothers or on faecal sIgA and calprotectin concentrations in either mothers or infants. Degree of weight gain influenced the maternal faecal microbiota and mode of infant feeding influenced the infant faecal microbiota. Faecal samples from infants in the salmon group tended to have lower counts of Atopobium cluster compared with those in the control group (P = 0.097). This difference was significant in formula-fed infants (P < 0.05), but not exclusively breast-fed infants. In conclusion, the impact of oily fish consumption during pregnancy on maternal and infant gut microbiota composition is limited, but significant differences were associated with maternal weight gain during pregnancy and infant mode of feeding.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Food and Nutritional Sciences > Human Nutrition Research Group
ID Code:36169
Publisher:Cambridge University Press

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