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|Title:||Role of antioxidants in chronic fatigue syndrome in mice|
Kulkarni, Srinivas K
|Abstract:||The present study was carried out using mice model of chronic fatigue syndrome (CFS) in which mice were forced to swim everyday for 7 days for a 6 min session. There was a significant increase in despair behavior (immobility period) in-saline treated mice on successive days. Treatment with potent antioxidants carvedilol (5 mg/kg, ip) and melatonin (10 mg/kg, ip) produced a significant reduction in immobility period. Similar results were observed with herbal products St.John's Wort (Hypericum perforatum.L) ( 10 mg/kg, po) and GS-02 (20 mg/kg, po). Fluoxetine, a selective serotonin reuptake inhibitor produced a significant effect only on first and second day of its treatment. Biochemical analysis revealed that chronic swim test significantly increased lipid peroxidation and catalase levels in whole brains of mice. There was a decrease in the levels of super oxide dismutase (SOD) and glulathione reductase (GSH) in the brain . Administration of carvedilol, melatonin, GS-02 and St. John's Wort restored the levels of lipid peroxidation and glutathione. The enzymes SOD and catalase were also .restored. Fluoxetine affected the biochemical variables not to the same extent as other treatments. The findings of the present study suggest that oxidative stress might play a significant role in the pathophysiology of CFS. Thus antioxidants and herbal products like St. Johns wort and GS-02 could be useful in the treatment of CFS.|
|ISSN:||0975-1009 (Online); 0019-5189 (Print)|
|Appears in Collections:||IJEB Vol.40(11) [November 2002]|
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