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Immune cell changes in response to a swimming training session during a 24-h recovery period

2016-05Journal article Restricted access
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dc.contributor.authorMorgado, J.P.
dc.contributor.authorMonteiro, C.P.
dc.contributor.authorTeles, J.
dc.contributor.authorReis, J.F.
dc.contributor.authorMatias, C.
dc.contributor.authorSeixas, M.T.
dc.contributor.authorAlvim, M.G.
dc.contributor.authorBourbon, M.
dc.contributor.authorLaires, M.J.
dc.contributor.authorAlves, F.
dc.date.accessioned2016-05-24T16:23:19Z
dc.date.available2016-05-24T16:23:19Z
dc.date.issued2016-05
dc.description.abstractUnderstanding the impact of training sessions on the immune response is crucial for the adequate periodization of training, to prevent both a negative influence on health and a performance impairment of the athlete. This study evaluated acute systemic immune cell changes in response to an actual swimming session, during a 24-h recovery period, controlling for sex, menstrual cycle phases, maturity, and age group. Competitive swimmers (30 females, 15 ± 1.3 years old; and 35 males, 16.5 ± 2.1 years old) performed a high-intensity training session. Blood samples were collected before, immediately after, 2 h after, and 24 h after exercise. Standard procedures for the assessment of leukogram by automated counting (Coulter LH 750, Beckman) and lymphocytes subsets by flow cytometry (FACS Calibur BD, Biosciences) were used. Subjects were grouped according to competitive age groups and pubertal Tanner stages. Menstrual cycle phase was monitored. The training session induced neutrophilia, lymphopenia, and a low eosinophil count, lasting for at least 2 h, independent of sex and maturity. At 24 h postexercise, the acquired immunity of juniors (15-17 years old), expressed by total lymphocytes and total T lymphocytes (CD3+), was not fully recovered. This should be accounted for when planning a weekly training program. The observed lymphopenia suggests a lower immune surveillance at the end of the session that may depress the immunity of athletes, highlighting the need for extra care when athletes are exposed to aggressive environmental agents such as swimming poolspt_PT
dc.identifier.citationAppl Physiol Nutr Metab. 2016 May;41(5):476-83. doi: 10.1139/apnm-2015-0488. Epub 2016 Jan 7.pt_PT
dc.identifier.doi10.1139/apnm-2015-0488pt_PT
dc.identifier.issn1715-5312
dc.identifier.urihttp://hdl.handle.net/10400.18/3817
dc.language.isoengpt_PT
dc.publisherNRC Research Presspt_PT
dc.relation.publisherversionhttp://www.nrcresearchpress.com/doi/abs/10.1139/apnm-2015-0488?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%3dpubmed#.VxD2z9QrKmwpt_PT
dc.subjectCellular Immunitypt_PT
dc.subjectImmunité Cellulairept_PT
dc.subjectLeucocytespt_PT
dc.subjectLymphocytes Subsetspt_PT
dc.subjectNageurspt_PT
dc.subjectRecoverypt_PT
dc.subjectRécupérationpt_PT
dc.subjectSous-population de Lymphocytespt_PT
dc.subjectSwimmerspt_PT
dc.subjectSéance d’entraînementpt_PT
dc.subjectTraining Sessionpt_PT
dc.subjectDeterminantes Imunológicos em Doenças Crónicaspt_PT
dc.subjectLeukocytespt_PT
dc.titleImmune cell changes in response to a swimming training session during a 24-h recovery periodpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage483pt_PT
oaire.citation.startPage476pt_PT
oaire.citation.titleApplied Physiology, Nutrition, and Metabolismpt_PT
oaire.citation.volume41(5)pt_PT
rcaap.rightsembargoedAccesspt_PT
rcaap.typearticlept_PT

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