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Impact of probiotic feeding during weaning on the serum lipid profile and plasma metabolome in infants
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Medicin.
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Pediatrik.
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap, Pediatrik.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Kemiska institutionen.
Vise andre og tillknytning
2013 (engelsk)Inngår i: British Journal of Nutrition, ISSN 0007-1145, E-ISSN 1475-2662, Vol. 110, nr 1, s. 116-126Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The gut microbiome interacts with the host in the metabolic response to diet, and early microbial aberrancies may be linked to the development of obesity and metabolic disorders later in life. Probiotics have been proposed to affect metabolic programming and blood lipid levels, although studies are lacking in infants. Here, we report on the lipid profile and global metabolic response following daily feeding of probiotics during weaning. A total of 179 healthy, term infants were randomised to daily intake of cereals with (n 89) or without (n 90) the addition of Lactobacillus paracasei ssp. paracasei F19 (LF19) 108 colony-forming units per serving from 4 to 13 months of age. Weight, length and skinfold thickness were monitored. Venous blood was drawn at 5·5 and 13 months of age for analysis of the serum lipid profile. In a subsample, randomly selected from each group, GC-time-of-flight/MS was used to metabolically characterise plasma samples from thirty-seven infants. A combination of multi- and univariate analysis was applied to reveal differences related to LF19 treatment based on 228 putative metabolites, of which ninety-nine were identified or classified. We observed no effects of probiotic feeding on anthropometrics or the serum lipid profile. However, we detected significantly lower levels of palmitoleic acid (16 : 1) (P < 0·05) and significantly higher levels of putrescine (P < 0·01) in LF19-treated infants. Palmitoleic acid is a major MUFA strongly linked to visceral obesity, while putrescine is a polyamine with importance for gut integrity. Whether the observed differences will have long-term health consequences are being followed.

sted, utgiver, år, opplag, sider
Cambridge University Press, 2013. Vol. 110, nr 1, s. 116-126
Emneord [en]
Probiotics, Lactobacillus paracaseissp.paracasei strain F19, Metabolomics, Infant feeding
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-62208DOI: 10.1017/S0007114512004618ISI: 000320123500013PubMedID: 23228571OAI: oai:DiVA.org:umu-62208DiVA, id: diva2:576107
Tilgjengelig fra: 2012-12-12 Laget: 2012-12-12 Sist oppdatert: 2018-06-08bibliografisk kontrollert
Inngår i avhandling
1. Effects of early probiotic supplementation in a pediatric setting: Focus on body composition, metabolism and inflammation
Åpne denne publikasjonen i ny fane eller vindu >>Effects of early probiotic supplementation in a pediatric setting: Focus on body composition, metabolism and inflammation
2016 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

We aimed to determine the short- and long-term effects on growth, body composition, metabolic and inflammatory markers following supplementation with the probiotic Lactobacillus paracasei ssp. paracasei F19 (LF19) during weaning. Methods: One-hundred and seventy-nine healthy, infants in Umeå city, Västerbotten County were randomised to daily intake of cereals with (n=89) or without (n=90) LF19 108 colony-forming units from 4 to 13 months of age. Weight, length, head circumference and body composition, assessed by skinfold thickness, were examined at 4, 5.5, 6.5, 9, 12 and 13 months of age. Venous blood was drawn at 5.5 and 13 months. In all, 171 infants completed the intervention and were invited to a follow-up at 8-9 years of age between 2009 and 2011, 120 children participated. Weight, height, sagittal abdominal diameter and body composition (using Dual Energy X-ray Absorptiometry-scan) were measured. Data on weight and height at 4 years were collected from medical records. The families filled out a 4-day food record and a food frequency questionnaire, physical activity was assessed using a pedometer for 7 days. At 5.5, 13 months and 8-9 years of age we analysed the serum blood lipid profile. At 8-9 years fasting glucose, insulin, aspartate and alanine transaminases were analysed in serum. Homeostatic Model Assessment index was calculated. At follow-up serum adiponectin, high-sensitivity C-reactive protein and plasma C-peptide, ghrelin, gastric inhibitory polypeptide, glucagon-like peptide 1, glucagon, insulin, leptin, plasminogen activator inhibitor-1, resistin and visfatin were analysed. For characterisation of the plasma metabolome, a subgroup (n=40) was analysed at 5.5 and 13 months of age by gas chromatography time-of-flight mass spectrometry (GC-TOF/MS) analysis and in all (n=112) children at the follow-up using untargeted GC-GC/MS. Results: There were no differences between the LF19 and placebo group regarding body weight, length/height at any assessment from 4 months to 8-9 years of age; nor were there any differences between the groups in body composition. In the LF19 group 19 % were overweight/obese, the corresponding number was 21 % in the placebo group (p=0.78). Analysed metabolic and inflammatory markers, both during the intervention and the follow-up did not differ between the two groups. At 13 months of age lower levels of palmitic acid and palmitoleic acid (both p<0.04) and higher levels of putrescine (p<0.01) were seen in the LF19 compared to the placebo group. These differences did not persist at 8-9 years of age. At that age, we found statistically stronger models when comparing overweight/obese and normal weight children as well as in relation to sex. Conclusion: Early intervention with the probiotic LF19 at the time of weaning exerted transient effects on the metabolome. In a long-term perspective, we found neither benefit nor harm on growth, body composition, metabolic or inflammatory markers following supplementation with LF19 during weaning.

sted, utgiver, år, opplag, sider
Umeå: Umeå universitet, 2016. s. 71
Serie
Umeå University medical dissertations, ISSN 0346-6612 ; 1785
Emneord
Lactobacillus paracasei ssp. paracasei F19, infants, children, growth, body composition, metabolism, follow-up
HSV kategori
Forskningsprogram
pediatrik
Identifikatorer
urn:nbn:se:umu:diva-119835 (URN)978-91-7601-425-7 (ISBN)
Disputas
2016-05-20, Sal E04, målpunkt R-1 (by 6E), Biomedicin, Norrlands universitetssjukhus, Umeå, 13:00 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2016-04-29 Laget: 2016-04-28 Sist oppdatert: 2018-06-07bibliografisk kontrollert

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