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β-glucan affects mucosal immunity in children with chronic respiratory problems under physical stress: clinical
Josef Richter1, Vladimir Svozil1, Vlastimil Král1
11 Zdravotní ústav se sídlem v Ústí nad Labem, Czech Republic ; 2 Sanatorium Edel, Zlaté Hory, Czech Republic ; 3 Department of Pathology, University of Louisville, Louisville, KY 40202, USA.
Background:
The role of β-glucan in children with respiratory problems is getting more and more attention. In this report we focused on the effects of 30 days oral supplementation with β-glucan on physical activity and immune status of children with respiratory problems.
Methods:
We measured the level of sIgA, eNO and physical activity [using a 6-minute walking test (6MWT)] in 77 children and evaluated the effect of 100 mg/day oral dose.
Results:
We found a significant difference between males and females in physical endurance. In the glucan group, the positive effects of glucan were significant in both age groups. In the glucan group, we found significant decrease of eNO levels and stabilization of the sIgA levels.
Conclusions:
Short-term oral application of natural immunomodulator β-glucan stimulated physical endurance in children with respiratory problems and, via stabilization of the sIgA levels, helps their mucosal immunity.
