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High physical activity in young children suggests positive effects by altering autoantigen‐induced immune activity
Author(s) -
Carlsson E.,
Ludvigsson J.,
Huus K.,
Faresjö M.
Publication year - 2016
Publication title -
scandinavian journal of medicine and science in sports
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.575
H-Index - 115
eISSN - 1600-0838
pISSN - 0905-7188
DOI - 10.1111/sms.12450
Subject(s) - immune system , medicine , immunology , tetanus , chemokine , toxoid , immunosenescence , antigen , vaccination , immunization
Physical activity in children is associated with several positive health outcomes such as decreased cardiovascular risk factors, improved lung function, enhanced motor skill development, healthier body composition, and also improved defense against inflammatory diseases. We examined how high physical activity vs a sedentary lifestyle in young children influences the immune response with focus on autoimmunity. Peripheral blood mononuclear cells, collected from 55 5‐year‐old children with either high physical activity ( n  = 14), average physical activity ( n  = 27), or low physical activity ( n  = 14), from the A ll B abies I n S outheast S weden ( ABIS ) cohort, were stimulated with antigens (tetanus toxoid and beta‐lactoglobulin) and autoantigens ( GAD 65 , insulin, HSP60 , and IA ‐2). Immune markers (cytokines and chemokines), C ‐peptide and proinsulin were analyzed. Children with high physical activity showed decreased immune activity toward the autoantigens GAD 65 ( IL ‐5, P  < 0.05), HSP60 and IA ‐2 ( IL ‐10, P  < 0.05) and also low spontaneous pro‐inflammatory immune activity ( IL ‐6, IL ‐13, IFN ‐γ, TNF ‐α, and CCL2 ( P  < 0.05)) compared with children with an average or low physical activity. High physical activity in young children seems to have positive effects on the immune system by altering autoantigen‐induced immune activity.

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