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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

Antiepileptogenic effect of curcumin on kainate-induced model of temporal lobe epilepsy.

Abstract Source:

Pharm Biol. 2013 Dec ;51(12):1572-8. Epub 2013 Sep 5. PMID: 24004105

Abstract Author(s):

Zahra Kiasalari, Mehrdad Roghani, Mohsen Khalili, Batool Rahmati, Tourandokht Baluchnejadmojarad

Article Affiliation:

Zahra Kiasalari

Abstract:

CONTEXT: Temporal lobe epilepsy (TLE) is an intractable neurological disorder. Curcumin is the bioactive component of turmeric with anti-epileptic and neuroprotective potential.

OBJECTIVE: The beneficial effect of curcumin on the intrahippocampal kainate-induced model of TLE was investigated.

MATERIALS AND METHODS: Rats were divided into sham, curcumin-pretreated sham, kainate and curcumin-pretreated kainate groups. The rat model of TLE was induced by unilateral intrahippocampal injection of 4 μg of kainate. Rats received curcumin p.o. at a dose of 100 mg/kg/d starting 1 week before the surgery. Seizure activity (SE) and oxidative stress-related markers were measured. Furthermore, the Timm index for evaluation of mossy fiber sprouting (MFS) and number of Nissl-stained neurons were quantified.

RESULTS: All rats in the kainate group had SE, while 28.5% of rats showed seizures in the curcumin-pretreated kainate group. Malondialdehyde and nitrite and nitrate levels significantly increased in the kainate group (p < 0.01 and p < 0.05, respectively), and curcumin significantly lowered these parameters (p < 0.05). Superoxide dismutase activity significantly decreased in the kainate group (p < 0.05) and curcumin did not improve it. Rats in the kainate group showed a significant reduction of neurons in Cornu Ammonis 1 (CA1) (p < 0.05), CA3 (p < 0.005) and hilar (p < 0.01) regions, and curcumin significantly prevented these changes (p < 0.05-0.005). The Timm index significantly increased in the kainate group (p < 0.005), and curcumin significantly lowered this index (p < 0.01).

DISCUSSION AND CONCLUSION: Curcumin pretreatment can attenuate seizures, lower some oxidative stress markers, and prevent hippocampal neuronal loss and MFS in the kainate-induced model of TLE.

Study Type : Animal Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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