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Neurochem Res. 2010 Apr;35(4):660-5. doi: 10.1007/s11064-009-0117-3.

Modulation of carbohydrate metabolism during N-methyl N-nitrosourea induced neurotoxicity in mice: role of curcumin.

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Department of Biophysics, Nuclear Medicine, Panjab University, Chandigarh, India.


The present study was carried out to elucidate the effectiveness of curcumin in mitigating the adverse effects caused by N-Methyl N-Nitrosourea (MNU) on mouse cerebellum and cerebrum. Male laca mice received either intravenous MNU treatment at a dose of 10 mg/kg bw in sterile double distilled water, curcumin alone 60 mg/kg bw in drinking water, or combined MNU and curcumin treatment on alternate days for a period of 2 months. The effects of different treatments were studied on carbohydrate metabolizing enzymes viz: hexokinase, glucose-6-phosphatase (G6P), glucose-6-isomerase (G6I), lactate dehydrogenase (LDH), succinate dehydrogenase (SDH) and glycogen levels. Curcumin supplementation to MNU treated mice was able to reduce significantly the activities of the G6P, G6I, hexokinase, LDH, SDH and increased the glycogen contents in both the regions of brain which were altered following MNU treatment. Hence, curcumin shall prove to be effective in ameliorating the adverse effects caused by MNU.

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