期刊
NEUROSCIENCE LETTERS
卷 632, 期 -, 页码 109-113出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2016.08.031
关键词
Hippocampal neuron; HMW FGF2; LMW FGF2; Amyloid beta; AKT
资金
- Intramural Research Program of the Eunice Kennedy Shriver National Institute of Health and Human Development, National Institutes of Health, USA
- Canadian Institutes for Health Research
Basic Fibroblast growth factor (FGF2) is important in development and maintenance of central nervous system function. Studies have demonstrated that low molecular weight (LMW) FGF2 is a neuroprotective factor against various insults in vivo and in vitro. In the present study we investigated the neuroprotective effects of high molecular weight (HMW) and LMW FGF2 against amyloid beta-induced neurotoxicity. The results showed that both LMW and HMW FGF2 attenuated the amyloid beta toxicity in the primary cultured hippocampal neurons as measured by WST and LDH release assay. Moreover, the analysis suggested that HMW FGF2 had stronger neuroprotective effect than LMW FGF2. We then demonstrated that LMW and HMW FGF2 activated the ERK and AKT signaling pathways in a similar way. Furthermore, using the ERK inhibitor and ART inhibitor, we found that the AKT signaling but not ERK signaling pathway was required for the neuroprotective effects of FGF2. Taken together, these results showed the neuroprotective effects of different forms of FGF2 in an AD model and the mechanism underlying the neuroprotection. Published by Elsevier Ireland Ltd.
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