Protective Effects of Crocin Against Streptozotocin-Induced Oxidative Damage in Rat Striatum
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Abstract
The study aimed to investigate the protective effects of crocin (Cro) against streptozotocin (STZ)-induced oxidative damage in rat striatum. Animals were randomly divided into four groups (five each). Group 1 (sham) were treated with normal saline (2 ml/kg, p.o.). Group 2 (STZ-lesioned or lesion) were injected with ICV-STZ (3 mg/kg bilaterally, on day 1 and 3) and treated with normal saline (2 ml/kg, p.o.) respectively, for 21 days. Group 3 (sham+Cro) were injected ICV on day 1 and 3 with artificial CSF and treated with crocin (100 mg/kg, p.o.) for 21 days. Group 4 (lesion+Cro) were injected with ICV STZ (3 mg/kg bilaterally, on day 1 and 3) and treated with crocin (100 mg/kg, p.o.) for 21 days. The homogenized striatum was used for measuring malondialdehyde (MDA), and total thiol contents besides glutathione peroxidase (GPx) activity. Crocin treatment resulted in a significant reduction in MDA concentration as compared to the STZ-lesioned rats. Moreover, crocin produced a significant elevation in total thiol content and GPx activity, as compared with STZ-lesioned group. The present findings provide evidence that crocin may have a therapeutic significance for neurodegenerative diseases such as Alzheimer's disease (AD).
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| Issue | Vol 52, No 2 (2014) | |
| Section | Original Article(s) | |
| Keywords | ||
| Crocin Streptozotocin Oxidative stress Striatum Rat | ||
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