期刊
BRAIN RESEARCH
卷 1585, 期 -, 页码 159-166出版社
ELSEVIER
DOI: 10.1016/j.brainres.2014.08.023
关键词
bFGF; Neuroprotection; Neurite outgrowth; Learning capacity; Spatial learning; SUN11602
资金
- Asubio Pharma Co., Japan
Basic fibroblast growth factor (bEGF/FGF-2) is known to possess neuroprotective and neurite outgrowth activity properties. In this study, the effects of a novel synthetic compound that mimics the neuroprotective properties of bFGF - SUN11602 - were examined in vitro and in vivo. SUN11602 promoted neurite outgrowth of primarily cultured rat hippocampal neurons. For the in vivo study, an Alzheimer's disease (AD) model with severe damage to the hippocampal tissue was constructed by injecting the hippocampi of rats with aggregated A beta(1-40), followed 48 h later by an injection of ibotenate [an agonist for N-methyl-D-aspartate (NMDA) receptor]. Oral administration of SUN11602 at the midpoint of A beta(1-40) and ibotenate injections attenuated short-term memory impairment in the Y-maze test, as well as spatial learning deficits in the water maze task. In addition, the SUN11602 treatment inhibited the increase of peripheral-type benzodiazepine-binding sites (PTBBS), which are a marker for gliosis. A negative correlation was found between PTBBS numbers and learning capacity in the water maze task. These results suggest that SUN111602 improved memory and learning deficits in the hippocampally lesioned rats by preventing neuronal death and/or promotion of neurite outgrowth. Taken together, these results indicate that SUN11602, a bFGF-like compound with neuroprotective and neurite outgrowth activity, may be beneficial for the treatment of progressive neurodegenerative diseases such as AD. (C) 2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).
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