Abstract
Harmine hydrochloride (Har-hc), a derivative from Harmine which is a natural extractive from plants, has been considered for treatment of kinds of cancers and cerebral diseases. In this study, we found that Har-hc clearly decreased cell viability, induced apoptosis and inhibited Akt phosphorylation in glioblastoma cell lines. Moreover, Har-hc had the ability to inhibit self-renewal and promote differentiation of glioblastoma stem like cells (GSLCs) accompanied by inhibition of Akt phosphorylation. Especially, we demonstrated that Har-hc inhibited neurosphere formation of human primary GSLCs. In vivo test also confirmed Har-hc decreased the tumorigenicity of GSLCs. Thus we conclude that Har-hc has potent anti-cancer effects in glioblastoma cells, which is at least partially via inhibition of Akt phosphorylation. Administration of Har-hc may act as a new approach to glioblastoma treatment.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Analysis of Variance
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Animals
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Apoptosis / drug effects
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Brain / drug effects
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Brain / pathology
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Cell Differentiation / drug effects
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Cell Line, Tumor
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Cell Proliferation / drug effects*
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Chromones / pharmacology
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Dose-Response Relationship, Drug
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Enzyme Inhibitors / pharmacology
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Gene Expression Regulation, Neoplastic / drug effects
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Glioblastoma / pathology*
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Harmine / pharmacology*
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Humans
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Monoamine Oxidase Inhibitors / pharmacology*
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Morpholines / pharmacology
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Neoplastic Stem Cells / drug effects*
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Neoplastic Stem Cells / pathology
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Nerve Tissue Proteins / metabolism
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Oncogene Protein v-akt / genetics
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Oncogene Protein v-akt / metabolism
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Phosphorylation / drug effects
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Proto-Oncogene Proteins c-bcl-2 / genetics
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Proto-Oncogene Proteins c-bcl-2 / metabolism
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Signal Transduction
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Time Factors
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bcl-2-Associated X Protein / genetics
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bcl-2-Associated X Protein / metabolism
Substances
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Chromones
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Enzyme Inhibitors
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LY 290042
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Monoamine Oxidase Inhibitors
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Morpholines
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Nerve Tissue Proteins
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Proto-Oncogene Proteins c-bcl-2
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bcl-2-Associated X Protein
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Harmine
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Oncogene Protein v-akt