Immortalized human neural progenitor cells from the ventral telencephalon with the potential to differentiate into GABAergic neurons

Journal of Neuroscience Research
Haiyan ZhangQunyuan Xu

Abstract

Human neural progenitor cells (hNPCs) are believed to have important potential in clinical applications and basic neuroscience research. In the present study, we created a new immortalized human neural cell line, hSN12W-TERT, derived from human fetal ventral telencephalon, using IRES-based retroviral overexpression of human telomerase reverse transcriptase. We showed that after more than 40 passages, hSN12W-TERT cells possess high telomerase activity, maintain a normal diploid karyotype, and retain the characteristics of hNPCs. Under proliferative conditions, these cells remained undifferentiated, expressing the neural progenitor cell markers nestin, vimentin, and Sox2. The cells were able to differentiate into neurons, astrocytes, and oligodendrocytes after a significant decrease in the level of telomerase following withdrawal of growth factors. The neurons were postmitotic and achieved electrophysiologic competence. Furthermore, we showed that most neurons were GABAergic, especially on differentiation induced by bone morphogenetic protein-2 (BMP2). RT-PCR analysis also confirmed that hSN12W-TERT cells expressed mammalian achaete-scute homolog 1 (Mash1) and Dlx2, genes associated with the development of GABAergic cortical inte...Continue Reading

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Citations

Jun 30, 2009·Neurotoxicology and Teratology·Joseph M BreierTimothy J Shafer
Aug 25, 2015·Stem Cell Research & Therapy·Greg W AndersonDeepak P Srivastava
Jun 21, 2016·Genes·Abbas IshaqGabriele Saretzki

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