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Abstract: Huperzine A attenuates the neurotoxic effect of staurosporine in primary rat cortical neurons

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www.ProHealth.com • October 16, 2003


Neurosci Lett. 2003 Apr 10;340(2):91-4.  Zhang HY, Tang XC.  State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 294 Tai-Yuan Road, Shanghai 200031, China.

The effects of huperzine A (HupA) on staurosporine-induced neuronal apoptosis and potential mechanisms were investigated in primary cultured rat cortical neurons. Pretreatment of the cells with HupA (0.1-100 microM) 2 h prior to 0.5 microM staurosporine exposure for 24 h, markedly elevated cell survival. Incubation with HupA at higher dose (1 microM) also reduced the DNA fragmentation caused by staurosporine. This dose of HupA also reduced the upregulation of the pro-apoptotic gene, bax, downregulation of the anti-apoptotic gene, bcl-2, and antagonized the decrease in immunoreactive caspase-3 proenzyme. These results demonstrated that HupA protect neurons against staurosporine-induced apoptosis via regulating the apoptotic related genes and caspase-3 proenzyme. Copyright 2003 Elsevier Science Ireland Ltd.

PMID: 12668244 [PubMed - indexed for MEDLINE]




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