Neuroprotective effects of (-)-linalool against oxygen-glucose deprivation-induced neuronal injury

Hyeon Park, Geun Hee Seol, Sangwoo Ryu, In Young Choi

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

(-)-Linalool, a major component of many essential oils, is widely used in cosmetics and flavoring ingredients as well as in traditional medicines. Although various in vitro and in vivo studies have shown that (-)-linalool has anti-convulsant, anti-nociceptive, anti-inflammatory and anti-oxidative properties, its anti-ischemic/hypoxic effects have yet to be determined. This study assessed the neuroprotective effects of (-)-linalool against oxygen-glucose deprivation/reoxygenation (OGD/R)-induced cortical neuronal injury, an in vitro model of ischemic stroke. (-)-Linalool significantly attenuated OGD/R-evoked cortical neuronal injury/death, although it did not inhibit N-methyl-d-aspartate (NMDA)-induced excitotoxicity. (-)-Linalool significantly reduced intracellular oxidative stress during OGD/R-induced injury, as well as scavenging peroxyl radicals (Trolox equivalents or TE = 3.8). This anti-oxidant effect was found to correlate with the restoration of OGD/R-induced decreases in the activities of SOD and catalase. In addition, (-)-linalool inhibited microglial migration induced by monocyte-chemoattractant protein-1 (MCP-1), a chemokine released by OGD/R. These findings show that (-)-linalool has neuroprotective effects against OGD/R-induced neuronal injury, which may be due to its anti-oxidant and anti-inflammatory activities. Detailed examination of the anti-ischemic mechanisms of (-)-linalool may indicate strategies for the development of drugs to treat cerebral ischemic injury.

Original languageEnglish
Pages (from-to)555-564
Number of pages10
JournalArchives of Pharmacal Research
Volume39
Issue number4
DOIs
Publication statusPublished - 2016 Apr 1

Fingerprint

Neuroprotective Agents
Oxygen
Glucose
Wounds and Injuries
Anti-Inflammatory Agents
Convulsants
Oxidative stress
Cosmetics
linalool
Chemokine CCL2
Scavenging
Traditional Medicine
Volatile Oils
Chemokines
Oxidants
Aspartic Acid
Catalase
Restoration
Medicine
Oxidative Stress

Keywords

  • (-)-Linalool
  • Inflammation
  • Neuroprotection
  • Oxidative stress
  • Oxygen-glucose deprivation/reoxygenation

ASJC Scopus subject areas

  • Drug Discovery
  • Molecular Medicine
  • Organic Chemistry

Cite this

Neuroprotective effects of (-)-linalool against oxygen-glucose deprivation-induced neuronal injury. / Park, Hyeon; Seol, Geun Hee; Ryu, Sangwoo; Choi, In Young.

In: Archives of Pharmacal Research, Vol. 39, No. 4, 01.04.2016, p. 555-564.

Research output: Contribution to journalArticle

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