Anti-amnestic activity of E-p-methoxycinnamic acid from Scrophularia buergeriana

So Ra Kim, So Young Kang, Ki Yong Lee, Seung Hyun Kim, George J. Markelonis, Tae H. Oh, Young Choong Kim

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

We previously reported that phenylpropanoids isolated from the roots of Scrophularia buergeriana Miquel (Scrophulariaceae) protected cultured cortical neurons against glutamate-induced neurotoxicity [Kim and Kim, Phytochemistry, 54 (2000) 503-509; Kim et al., Br. J. Pharmacol. 135 (2002) 1281-1291]. In the present study, we examined the anti-amnestic activities of phenylpropanoids in mice with amnesia induced in vivo by scopolamine. Among the phenylpropanoids tested through passive avoidance tasks, buergeriside A1, buergeriside C1, E-p-methoxycinnamic acid (E-p-MCA) and E-isoferulic acid significantly improved the deficit of memory induced by scopolamine. This suggested that the α,β-unsaturated carboxyl moiety and the para-methoxy group in phenylpropanoids (E-p-MCA) might be a crucial component in their cognition-enhancing activity. Indeed, E-p-MCA (0.01-2 mg/kg body weight, i.p.), given in pre- or post-treatment paradigms, significantly ameliorated scopolamine-induced amnesia as determined by passive avoidance tasks and prevented or aided in the recovery of memory to a level that was about 60% of control. In addition, E-p-MCA (0.1-1.0 mg/kg body weight, i.p.) significantly improved impairments of spatial learning and memory induced by scopolamine; the compound reduced deficits in both long- and short-term memories as measured by the Morris water maze test. We suggest, therefore, that E-p-MCA may ultimately hold significant therapeutic value in alleviating certain memory impairments observed in dementia.

Original languageEnglish
Pages (from-to)454-461
Number of pages8
JournalCognitive Brain Research
Volume17
Issue number2
DOIs
Publication statusPublished - 2003 Jul 15

Fingerprint

Scrophularia
Scopolamine Hydrobromide
Amnesia
Scrophulariaceae
Body Weight
Memory Disorders
Short-Term Memory
Cognition
Dementia
Glutamic Acid
4-methoxycinnamic acid
Neurons
Water

All Science Journal Classification (ASJC) codes

  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience
  • Behavioral Neuroscience

Cite this

Kim, S. R., Kang, S. Y., Lee, K. Y., Kim, S. H., Markelonis, G. J., Oh, T. H., & Kim, Y. C. (2003). Anti-amnestic activity of E-p-methoxycinnamic acid from Scrophularia buergeriana. Cognitive Brain Research, 17(2), 454-461. https://doi.org/10.1016/S0926-6410(03)00161-7
Kim, So Ra ; Kang, So Young ; Lee, Ki Yong ; Kim, Seung Hyun ; Markelonis, George J. ; Oh, Tae H. ; Kim, Young Choong. / Anti-amnestic activity of E-p-methoxycinnamic acid from Scrophularia buergeriana. In: Cognitive Brain Research. 2003 ; Vol. 17, No. 2. pp. 454-461.
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Anti-amnestic activity of E-p-methoxycinnamic acid from Scrophularia buergeriana. / Kim, So Ra; Kang, So Young; Lee, Ki Yong; Kim, Seung Hyun; Markelonis, George J.; Oh, Tae H.; Kim, Young Choong.

In: Cognitive Brain Research, Vol. 17, No. 2, 15.07.2003, p. 454-461.

Research output: Contribution to journalArticle

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AU - Kim, So Ra

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AU - Lee, Ki Yong

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AU - Kim, Young Choong

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