Dietary fructooligosaccharides up‐regulate immunoglobulin A response and polymeric immunoglobulin receptor expression in intestines of infant mice

SUMMARY We examined whether or not dietary fructooligosaccharides (FOS) in infancy can have a beneficial effect on the mucosal immune system. Newborn BALB/c mice, accompanied by their dams until 21 days of age, were fed either a control diet based on casein [FOS(–) diet group] or a FOS(–) diet suppl...

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