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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Efeitos agudos do exercício resistido sobre marcadores da resposta inflamatória e imune

Pereira, Guilherme Borges 11 December 2012 (has links)
Made available in DSpace on 2016-06-02T19:22:08Z (GMT). No. of bitstreams: 1 4782.pdf: 15356873 bytes, checksum: 5c9a50ab5fc45152beb8cb72b03dcfec (MD5) Previous issue date: 2012-12-11 / Universidade Federal de Sao Carlos / The purpose of the present study was to examine the acute effects of resistance training (RT) on CD4+ and CD8+ T lymphocytes apoptosis (annexin V+) and migration (CX3CR1). Twelve subjects performed two RT sessions (3 sets of 9 exercises) with 1 min (Hyper-1) and 3 min (Hyper-3) of rest-interval length between sets and exercises. CD4+ and CD8+ cells count displayed no change following Hyper-1 and Hyper-3 (p > 0.05). There was an increase in the percentage of CD4+ positive for annexin V+ and CX3CR1+ immediately after and 24 h post Hyper-1 (p < 0.05). Percentage of CD4+ positive for annexin V+ increased 2 and 24 h post Hyper- 3, and decreased after CX3CR1+ for the same time-points (p < 0.05). There was an increase in CD8+ positive for annexin V+ and CX3CR1+ immediately after, 2 and 24 h post Hyper-1 and Hyper-3 (p < 0.05), while no differences were found between Hyper-1 and Hyper-3 (p > 0.05). Acute RT increase the apoptosis and migration of CD4+ and CD8+ lymphocytes even 24 h after exercise, with minimal effects of restinterval length. / O objetivo dos pesquisadores do presente estudo foi examinar os efeitos agudos do Exercício Resistido (ER) sobre a apoptose (Anexina V+) e a migração (CX3CR1) de linfócitos T CD4+ e CD8+. 12 sujeitos adultos realizaram duas sessões de ER (3 séries em 9 exercícios) com 1 minuto (Hiper-1) e 3 minutos (Hiper-3) de intervalo entre as séries e exercícios. Não foi observada alteração significativa na contagem celular de linfócitos CD4+ e CD8+ após os protocolos Hiper-1 e Hiper-3 (p > 0,05). Foi observado aumento no percentual de linfócitos T CD4+ positivos para anexina V+ e CX3CR1 imediatamente após e 24 horas após Hiper-1 (p < 0,05). A porcentagem de linfócitos T CD4+ positivos para anexina V+ aumentou 2 e 24 horas após Hiper-3 e diminuiu para CX3CR1 nos mesmos momentos (p < 0,05). Houve aumento nos linfócitos T CD8+ positivos para anexina V+ e CX3CR1+ imediatamente e 24 horas após os protocolos Hiper-1 e Hiper-3 (p < 0,05), enquanto que não foram observadas diferenças significativas entre Hiper-1 e Hiper-3 (p > 0,05). O ER aumenta marcadores celulares de apoptose e migração em linfócitos T CD4+ e CD8+ mesmo 24 horas após uma sessão aguda de exercício, com mínimo efeito da duração do intervalo de descanso entre as séries e exercícios.

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