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Acta Med Iran. 2014;52(2):101-5.

Protective effects of crocin against streptozotocin-induced oxidative damage in rat striatum.

Author information

1
Department of Pharmacology, Physiology and Pain Research Centers, School of Medicine, Jundishapur University of Medical Sciences, Ahvaz, Iran. mansouri-m@ajums.ac.ir.
2
Department of Pharmacology, Physiology and Atherosclerosis Research Centers, Jundishapur University of Medical Sciences, Ahvaz, Iran. mansouri-m@ajums.ac.ir.
3
Department of Pharmacology, Faculty of Medicine, Jundishapur University of Medical Sciences, Ahvaz, Iran. mansouri-m@ajums.ac.ir.

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).

PMID:
24659065
[Indexed for MEDLINE]
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