期刊
ACS CHEMICAL NEUROSCIENCE
卷 7, 期 1, 页码 90-99出版社
AMER CHEMICAL SOC
DOI: 10.1021/acschemneuro.5b00243
关键词
Astrocytogenesis; neural stem cells; neurological agents; structure-activity relationships; neurodegeneration; differentiation
资金
- Global Frontier Project grant of National Research Foundation - Korea Government (MSIP) [NRF-M3A6A4-2012M3A6A4054253]
- industrial core technology development program - Ministry of Knowledge Economy [10041913]
- National Research Foundation of Korea - Korea Government (MEST) [NRF-2014R1A1A1002607]
Identification of small molecules that direct neural stem cells (NSCs) into specific cell types would be helpful to understand the molecular mechanisms involved in regulation of NSC fate, and facilitate the development of therapeutic applications. In the current study, we developed and screened small molecules that can modulate the fate of NSCs that are derived from rat fetal cortex. Among these compounds, compounds 5 and 6 successfully differentiated NSCs into astrocytes and neurons, respectively. Compound 5 induced astrocytogenesis by increasing expression of interleukin-6, bone morphogenetic protein 2 and leukemia inhibitory factor and through consequent phosphorylation of signal transducer and activator of transcription 3 and Sma- and Mad-related protein 1/5/8 in NSCs. In addition, compound 5 increased the expression of fibroblast growth factor (FGF) 2 and FGF8 which may regulate the branching and morphology of astrocytes. Taken together, our results suggest that these small molecules can serve as a useful tool to study cell fate determination in NSCs and be used as an inexpensive alternative to cytokines to study mechanisms of astrocytogenesis.
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