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Does underwater rugby stimulate the over‐production of reactive oxygen species?
Author(s) -
Cavas Levent
Publication year - 2004
Publication title -
cell biochemistry and function
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.933
H-Index - 61
eISSN - 1099-0844
pISSN - 0263-6484
DOI - 10.1002/cbf.1153
Subject(s) - antioxidant , lipid peroxidation , superoxide dismutase , glutathione peroxidase , catalase , malondialdehyde , reactive oxygen species , medicine , chemistry , endocrinology , vitamin e , biochemistry , biology
Antioxidant enzymes in erythrocytes such as superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH‐Px) and antioxidant sex hormone oestradiol in serum and malondialdehyde (MDA) production as a marker of lipid peroxidation in erythrocytes were investigated in male and female underwater rugby (UWR) players. Results showed that except for GSH‐Px activity in female players, all antioxidant enzymes increased significantly ( p < 0.05) after an UWR game. It was interesting to note that while the concentration of oestradiol in female players did not change, it increased significantly ( p < 0.05) in male players. Lipid peroxidation (LPO) levels in female players as well as oestradiol concentration did not change significantly ( p > 0.05) whereas LPO levels in male players increased significantly ( p < 0.05) compared to pre‐exercise values. In conclusion, the results showed that underwater rugby can stimulate over‐production of ROS and antioxidant systems and affect oestradiol levels in male players. Because of increased LPO levels observed in male players, complex antioxidant supplementation including co‐factors of antioxidant enzymes such as Cu, Zn, Fe, Se and antioxidant vitamins such as vitamin C and E may be recommended to players before the UWR game. Copyright © 2004 John Wiley & Sons, Ltd.