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  • Title: Serum interleukin--4 and tumor necrosis factor alpha concentrations in children with primary acid gastroesophageal reflux and acid gastroesophageal reflux secondary to cow's milk allergy.
    Author: Semeniuk J, Wasilewska J, Kaczmarski M.
    Journal: Adv Med Sci; 2012; 57(2):273-81. PubMed ID: 23333893.
    Abstract:
    AIM: The possible role of serum interleukin 4 (IL-4) and tumor necrosis factor alpha (TNF- α) in pathogenesis of the reflux symptoms in children with primary acid gastroesophageal reflux (GER) and acid GER secondary to cow's milk allergy (CMA). MATERIAL AND METHODS: Out of 264 children, 76 (28.8%) patients with primary GER and 62 (23.5%) patients with GER secondary to CMA (pH - monitoring) serum IL-4 and TNF- α concentrations were assessed before treatment, 1 and 2 years after the initiation of the periodically administered pharmacotherapy. RESULTS: Children with primary GER had mean IL-4 concentrations 0.17 ± 0.06 pg/ml before treatment, 0.08 ± 0.07 pg/ ml after 1-year and 0.07 ± 0.06 pg/ml after 2-years of treatment. The mean IL-4 concentrations were 1.07 ± 0.24, 0.5 ± 0.22 and 0.44 ± 0.19 pg/ml respectively in children with GER secondary to CMA. The mean serum TNF- α concentrations was 3.62 ± 1.30 pg/ml before treatment , 2.16 ± 1,35 pg/ ml after 1 year and 1.65 ± 1.16 pg/ml after 2 years of treatment in children with primary GER. In group with GER secondary to CMA mean serum TNF- α concentrations were 4.95 ± 1.88, 2.53 ± 0.80 and 2.02 ± 0.78 pg/ml respectively. Statistical analysis of the concentration of both cytokines showed their differentiation between them and in the study groups. CONCLUSIONS: The highest mean serum IL-4 and TNF-α concentrations were observed in children with GER secondary to CMA and in children in control group (with cow's milk allergy and/or other food allergy diagnosed - CMA/FA) before the treatment administration.
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