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Báo cáo y học: " Effect of oat bran on time to exhaustion, glycogen content and serum cytokine profile following exhaustive exercise"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Effect of oat bran on time to exhaustion, glycogen content and serum cytokine profile following exhaustive exercise | Donatto et al. Journal of the International Society of Sports Nutrition 2010 7 32 http www.jissn.eom content 7 1 32 jissn journal of the onal society of sports nutrition RESEARCH ARTICLE Open Access Effect of oat bran on time to exhaustion glycogen content and serum cytokine profile following exhaustive exercise 13 1.2 1 1 1 Felipe F Donatto Jonato Prestes Anelena B Frollini Adrianne C Palanch Rozangela Verlengia Claudia Regina Cavaglieri1 Abstract The aim of this study was to evaluate the effect of oat bran supplementation on time to exhaustion glycogen stores and cytokines in rats submitted to training. The animals were divided into 3 groups sedentary control group C an exercise group that received a control chow EX and an exercise group that received a chow supplemented with oat bran EX-O . Exercised groups were submitted to an eight weeks swimming training protocol. In the last training session the animals performed exercise to exhaustion e.g. incapable to continue the exercise . After the euthanasia of the animals blood muscle and hepatic tissue were collected. Plasma cytokines and corticosterone were evaluated. Glycogen concentrations was measured in the soleus and gastrocnemius muscles and liver. Glycogen synthetase-a gene expression was evaluated in the soleus muscle. Statistical analysis was performed using a factorial ANOVA. Time to exhaustion of the EX-O group was 20 higher 515 3 minutes when compared with EX group 425 3 minutes p 0.034 . For hepatic glycogen the EX-O group had a 67 higher concentrations when compared with EX p 0.022 . In the soleus muscle EX-O group presented a 59.4 higher glycogen concentrations when compared with EX group p 0.021 . TNF-a was decreased IL-6 IL-10 and corticosterone increased after exercise and EX-O presented lower levels of IL-6 IL-10 and corticosterone levels in comparison with EX group. It was concluded that the chow rich in oat bran increase muscle and hepatic glycogen concentrations. The higher glycogen storage may