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6-Ethyl-N,N'-bis(3-hydroxyphenyl)[1,3,5]triazine-2,4-diamine (RS-0466) enhances the protective effect of brain-derived neurotrophic factor on amyloid beta-induced cytotoxicity in cortical neurones.

Authors
  • Kubo, Takekazu
  • Nishimura, Satoko
  • Murasugi, Takako
  • Kaneko, Isao
  • Meguro, Masaki
  • Marumoto, Shinji
  • Kogen, Hiroshi
  • Koyama, Kazuo
  • Oda, Tomiichiro
  • Nakagami, Yasuhiro
Type
Published Article
Journal
Pharmacology & toxicology
Publication Date
Dec 01, 2003
Volume
93
Issue
6
Pages
264–268
Identifiers
PMID: 14675459
Source
Medline
License
Unknown

Abstract

Amyloid beta peptide in the senile plaques of patients with Alzheimer's disease is considered to be responsible for the pathology of Alzheimer's disease. We have previously reported that 6-ethyl-N,N'-bis(3-hydroxyphenyl)[1,3,5]triazine-2,4-diamine, RS-0466, is capable of significantly inhibiting amyloid beta-induced cytotoxicity in HeLa cells. To determine various profiles of RS-0466, we investigated whether RS-0466 would enhance the neuroprotective effect of brain-derived neurotrophic factor on amyloid beta(1-42)-induced cytotoxicity in rat cortical neurones. Consistent with previous observations, brain-derived neurotrophic factor ameliorated amyloid beta(1-42)-induced cytotoxicity. Furthermore, co-application of RS-0466 enhanced the neuroprotective effect of brain-derived neurotrophic factor. RS-0466 also reversed amyloid beta(1-42)-induced decrease of brain-derived neurotrophic factor-triggered phosphorylated Akt. These results raise the possibility that RS-0466 or one of its derivatives has potential to enhance the neuroprotective effect of brain-derived neurotrophic factor, and could serve as a therapeutic agent for patients with Alzheimer's disease.

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