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Título: | Are elite gymnasts really malnourished? Evaluation of diet, anthropometry and immunocompetence |
Autor: | Nova, Esther CSIC ORCID ; Montero, A.; López-Varela, S.; Marcos, Ascensión CSIC ORCID | Palabras clave: | Diet Anthropometry Immunocompetence Gymnasts |
Fecha de publicación: | 2001 | Editor: | Elsevier | Citación: | Nutrition Research 21(1–2) :15–29 (2001) | Resumen: | The purpose of this study was to evaluate the in vitro cytokine production capacity by peripheral blood mononuclear cells (PBMC) in a group of female elite gymnasts. Methods: Study subjects were 13 young sportswomen from the Federación Española de Gimnasia, whose regular training accounted for a mean exercise performance of 48 h/wk. A control group of 20 healthy volunteers (< 12 h/wk of exercise) were also studied. IL-2, IFN-γ, IL-1β, IL-6 and TNF-α production was measured in 48 h cultures of PHA stimulated PBMC by ELISA. Anthropometrical parameters and a 7-day dietary record questionnaire were also assessed. Results: Weight, BMI and calorie intake (1258 ± 133 vs 2034 ± 301 kcal/d) were significantly lower in gymnasts compared to the control group. IL-2 production showed lower values and IFN-γ and IL-1β showed higher values in gymnasts than in controls. No differences were found in IL-6 and TNF-α production between both groups. Cytokine production is altered in highly trained elite gymnasts in basal conditions reflecting a particular status of their immunocompetence that could be affected by the intensity and regularity of their exercise, the hormonal changes, stressful life conditions and very impaired nutrient intakes. © 2001 Elsevier Science Inc. | Descripción: | 15 páginas, 5 figuras. | Versión del editor: | http://dx.doi.org/10.1016/S0271-5317(00)00297-9 | URI: | http://hdl.handle.net/10261/83950 | DOI: | 10.1016/S0271-5317(00)00297-9 | ISSN: | 0271-5317 |
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