Protective effect of epigallocatechin gallate in murine water-immersion stress model of chronic fatigue syndrome.

Chronic fatigue syndrome (CFS) is a specific clinical condition that characterizes unexplained disabling fatigue. In the present study, chronic fatigue was produced in mice by subjecting them to forced swim inside a rectangular jar of specific dimensions for 6 min. daily for 15 days. Epigallocatechin gallate (EGCG; 25, 50 and 100 mg/kg, p.o.) was administered daily 30 min. before forced swim session. Immobility period and post-swim fatigue was assessed on alternate days. On the 16th day, after assessment of various behavioural parameters, mice were killed to harvest the brain, spleen and thymus. There was significant increase in oxidative-nitrosative stress and tumour necrosis factor-alpha levels in the brain of mice subjected to water-immersion stress as compared with naive group. These behavioural and biochemical alterations were restored after chronic treatment with EGCG. The present study points out that EGCG could be of therapeutic potential in the treatment of chronic fatigue.
AuthorsAnand Kamal Sachdeva, Anurag Kuhad, Vinod Tiwari, Vipin Arora, Kanwaljit Chopra
JournalBasic & clinical pharmacology & toxicology (Basic Clin Pharmacol Toxicol) Vol. 106 Issue 6 Pg. 490-6 (Jun 2010) ISSN: 1742-7843 [Electronic] Denmark
PMID20088847 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Antioxidants
  • Tumor Necrosis Factor-alpha
  • Catechin
  • epigallocatechin gallate
  • Administration, Oral
  • Animals
  • Antioxidants (administration & dosage, pharmacology)
  • Brain (metabolism)
  • Catechin (administration & dosage, analogs & derivatives, pharmacology)
  • Disease Models, Animal
  • Dose-Response Relationship, Drug
  • Fatigue Syndrome, Chronic (drug therapy, physiopathology)
  • Mice
  • Oxidative Stress (drug effects)
  • Spleen (metabolism)
  • Swimming
  • Thymus Gland (metabolism)
  • Tumor Necrosis Factor-alpha (metabolism)

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