The herbal prescription youkongdan modulates rodent memory, ischemic damage and cortical mRNA gene expression

The International Journal of Neuroscience
Joon Shik ShinEdward H Sharman

Abstract

The effects of the herbal prescription youkongdan (YKD) on memory performance of rodents following cerebral ischemia/reperfusion and scopolamine administration were measured and compared to the age-related changes in mRNA expression induced by dietary supplementation of YKD. Following ischemia, YKD decreased neuronal cell loss in the CA1 region of rat hippocampus by 89% relative to controls. YKD improved the water maze performance of both ischemic and scopolamine-treated animals. Dietary administration of YKD resulted in significant modulation of Egr1, Grp78, Hsp86, SOD1, and alphaB crystallin mRNA expression and a trend toward increased exploratory behavior in older mice.

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