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Expectant Mothers Who Eat Peanuts May Be Protecting Their Children From Future Allergies

May 7, 2011: 11:33 AM EST
Pregnant mothers who consume peanuts may be protecting their unborn child from future peanut allergies, according to a study in mice by U.S. researchers. For the study, researchers fed some pregnant mice peanuts and others a placebo. They found that the offspring of peanut-fed mothers had lower peanut-specific immunoglobulin-E (IgE) levels. They also showed lower peanut-stimulated immune responses than the offspring in the placebo group. Administration of cholera toxin boosted these responses in the peanut-fed group. “Our study demonstrated that maternal feeding of peanuts alone had a protective effect against peanut sensitization of the progeny, which was enhanced by co-administration of a mucosal adjuvant (cholera toxin),” the researchers concluded.
I. López-Expósito, et al. , "Maternal peanut consumption provides protection in offspring against peanut sensitization that is further enhanced when co-administered with bacterial mucosal adjuvan", Food Research International, May 07, 2011, © Elsevier Ltd.
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