期刊
EXPERIMENTAL NEUROLOGY
卷 217, 期 2, 页码 407-416出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.expneurol.2009.03.032
关键词
Embryonic stem cells; Embryoid body; GABAergic neurons; Retinoic acid
资金
- UK Medical Research Council
- NHS Grampian
- University of Aberdeen
Embryonic stem cells (ESCs) promise an unlimited source of defined cells for cell transplantation therapy, while protocols for derivation of homogeneous populations of desirable cell types are yet to be developed and/or refined. Gamma aminobutyric acid (GABA) is a major inhibitory neurotransmitter in the central nervous system, and disturbed GABAergic signaling is associated with a host of neurological conditions. We developed a simple ES cell differentiation protocol which led to the production of uniform GABAergic neurons in similar to 2 weeks. The differentiation protocol involved treatment of embryoid bodies (EBs) with high concentrations (10(-5)-10(-4) M) of all-trans-retinoic acid (RA) for 3 days. After plating these EBs on attached dishes in neural supportive medium, 93-96% of the cells became GABA-positive neurons in 7-11 days. These cells also expressed immature neuronal markets with voltage-gated delayed rectifier potassium Currents, Suggesting that they were immature GABAergic neurons. The technology may have implications for modeling and treatment of GABAergic signaling-related diseases and injuries. (C) 2009 Elsevier Inc. All rights reserved.
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