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The Ameliorating Effects of 2,3-dihydroxy-4-methoxyacetophenone on Scopolamine-Induced Memory Impairment in Mice and Its Neuroprotective Activity

The Ameliorating Effects of 2,3-dihydroxy-4-methoxyacetophenone on Scopolamine-Induced Memory Impairment in Mice and Its Neuroprotective Activity

Jin Bae Weon, Hyun-Jeong Ko, Choong Je Ma

Bioorg Med Chem Lett. 2013 Dec 15;23(24):6732-6.

PMID: 24210692

Abstract:

We isolated 2,3-dihydroxy-4-methoxyacetophenone, a neuroprotective compound from Cynenchum paniculatum in our previous study. The present study was conducted to investigate the possible neuroprotective effect of 2,3-dihydroxy-4-methoxyacetophenone that has been previously isolated from Cynenchum paniculatum on hippocampal neuronal cell line, HT22 cells and its possible cognitive-enhancing effect on scopolamine-induced amnesia in mice. Neuroprotective effect against glutamate-induced neurotoxicity in HT22 cells was evaluated by MTT assay. Also, cognitive enhancing effect against scopolamine (1mg/kg, ip) induced learning and memory deficit was measured by Morris water maze test. Oral administered of 2,3-dihydroxy-4-methoxyacetophenone (1, 10, 20, 40 and 50mg/kg) to amnesic mice induced by scopolamine. In Morris water maze test, 2,3-dihydroxy-4-methoxyacetophenone (50mg/kg) improved the impairment of spatial memory induced by scopolamine. 2,3-Dihydroxy-4-methoxyacetophenone protect HT22 cells on glutamate induced cell-death in a dose-dependent manner (EC50 value: 10.94μM). Furthermore, 2,3-dihydroxy-4-methoxyacetophenone was found to inhibit [Ca(2+)] accumulation in HT22 cells and had antioxidantive activity. The results showed that 2,3-dihydroxy-4-methoxyacetophenone exert neuroprotective and cognitive-enhancing activities through its antioxidant activity. We suggest that 2,3-dihydroxy-4-methoxyacetophenone improves cognitive function and may be helpful for the treatment of Alzheimer's disease.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP100061	4′-Methoxyacetophenone		100-06-1	Price

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