Journal
PHYTOTHERAPY RESEARCH
Volume 26, Issue 12, Pages 1823-1829Publisher
WILEY
DOI: 10.1002/ptr.4648
Keywords
neuropathy; hyperanalgaesic; allodynia; streptozotocin
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Funding
- ISFCP-Moga, Punjab
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Diabetes induced neuropathic pain is recognized as one of the most difficult types of pain to treat with conventional analgaesics. EGb 761 is a standardized extract of Ginkgo biloba that has analgaesic and antiinflammatory properties and modulatory effects on key pain-related molecules. We examined the effect of EGb 761 on streptozotocin (STZ)-induced neuropathic pain behaviours and assessed its mechanism of action. Streptozotocin (20?mg/kg i.p for 5?days) was administered to induce experimental diabetes. Pain hypersensitivity to radiant heat was measured using the Dynamic Plantar Aesthesiometer to test the pain threshold. Diabetic rats exhibited mechanical allodynia and thermal hyperanalgaesia after the third week of STZ injection and concomitantly increased thiobarbituric acid reactive substance and nitric oxide concentration. The antioxidant enzymes level of superoxide dismutase and catalase was markedly reduced in STZ-diabetic rats (p?
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