Supplementing pregnant mice with a specific mixture of nondigestible oligosaccharides reduces symptoms of allergic asthma in male offspring

doi: 10.3945/jn.114.197707. Epub 2014 Dec 24.

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PMID: 25733483 DOI: 10.3945/jn.114.197707

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Supplementing pregnant mice with a specific mixture of nondigestible oligosaccharides reduces symptoms of allergic asthma in male offspring

Astrid Hogenkampet al. J Nutr. 2015 Mar.

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Abstract

Background: Previously, maternal supplementation with short-chain galacto- and long-chain fructo-oligosaccharides (scGOS/lcFOS; ratio 9:1) was shown to affect maternal and fetal immune status in mice.

Objective: This study was designed to test the long-term effects of supplementation of mice with scGOS/lcFOS before and during pregnancy on the immune response in the offspring, using an ovalbumin (OVA)-induced model for experimental allergic asthma.

Methods: Female Balb/c mice were fed a control diet or a diet supplemented with 3% scGOS/lcFOS and mated to C57BL/6 males. All dams were fed the control diet after delivery. At 6 wk, male offspring received an intraperitoneal injection of aluminum hydroxide and OVA (control and scGOS/lcFOS group) or saline (sham group). The acute allergic skin response (ASR) after intradermal challenge with OVA or saline was measured at 8 wk. After 3 airway challenges with nebulized OVA or saline, lung function was measured.

Results: The scGOS/lcFOS group had a significantly lower acute ASR (85 ± 9 μm) than the control group (124 ± 9 μm; P = 0.01). Lower lung resistance from a response to methacholine challenge was seen in the scGOS/lcFOS group. OVA-specific immunoglobulin (Ig)E concentrations in the control group [93 ± 45 arbitrary unit (AU)] and the scGOS/lcFOS group (67 ± 45 AU) were higher than in the sham group (11 ± 2 AU). OVA specific IgG2a concentrations in the scGOS/lcFOS (146 ± 24 AU) were higher than in the sham group (2 ± 0.3 AU) and control group (18 ± 3.5 AU; P < 0.05). Finally, the scGOS/lcFOS group had a higher percentage of regulatory T cells (1.11% ± 0.07%) than the sham group (0.14% ± 0.03%) and the control group (0.11% ± 0.02%; P < 0.05).

Conclusion: Maternal supplementation of mice with scGOS/lcFOS during pregnancy leads to a significant decrease in allergic symptoms in the offspring.

Keywords: allergic asthma; maternal dietary intervention; oligosaccharides; pregnancy; programming.

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Supplementing pregnant mice with a specific mixture of nondigestible oligosaccharides reduces symptoms of allergic asthma in male offspring_花匠小妙招 (2024)

Supplementing pregnant mice with a specific mixture of nondigestible oligosaccharides reduces symptoms of allergic asthma in male offspring

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