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Cytokine

IL-4 mediates the delayed neurobehavioral impairments induced by neonatal hepatitis B vaccination that involves the down-regulation of the IL-4 receptor in the hippocampus
Published: 2018
SYNOPSIS

The neonatal hepatitis B vaccination induced an anti-inflammatory response lasting for 4–5 weeks.

CITATION

Yang XWJ, Xing Z, Zhang H, et al. Cytokine. 2018; 110:137-149.

SUMMARY

Experiments showed that IL-4 mediates the delayed neurobehavioral impairments induced by neonatal hepatitis B vaccination, which involves the permeability of neonatal blood–brain barrier and the down-regulation of IL-4 receptor. This finding suggests that clinical events concerning neonatal IL-4 over-exposure, including neonatal hepatitis B vaccination and allergic asthma in human infants, may have adverse implications for brain development and cognition.

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Differential immune responses and microbiota profiles in children with autism spectrum disorders and co-morbid gastrointestinal symptoms
Published: 2018
SYNOPSIS

Autistic children with gastrointestinal symptoms have an imbalance in their immune response that affects behavior and quality of life.

CITATION

Rose DR, Yang H, Serena G, Sturgeon C, Ma B, Careaga M, Hughes HK, Angkustsiri K, Rose M, Hertz-Picciotto I, Van de Water J, Hansen RL, Ravel J, Fasano A, Ashwood P. Brain, Behavior, and Immunity. 2018;70:354-368.

SUMMARY

Children with autism spectrum disorder (ASD) and concurrent gastrointestinal (GI) symptoms have a more imbalanced immune response, a more disturbed gut microbiome and worse behavioral outcomes (such as irritability, agitation, social withdrawal, lethargy, hyperactivity and noncompliance) than ASD children without GI symptoms. The study additionally looked at typically developing children with and without GI symptoms and found that ASD+GI children stood out compared to those two groups as well. Children with ASD plus GI symptoms may have a “propensity” toward leaky gut that contributes to their other symptoms and clinical outcomes.

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