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Derivation of phenotypically diverse neural culture from hESC by combining adherent and dissociation methods

Citation

Liu, Y and Antonic, A and Yang, X and Korte, N and Lim, K and Michalska, AE and Dottori, M and Howells, DW, Derivation of phenotypically diverse neural culture from hESC by combining adherent and dissociation methods, Journal of Neuroscience Methods, 308 pp. 286-293. ISSN 0165-0270 (2018) [Refereed Article]


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Copyright 2018 the authors. Licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) https://creativecommons.org/licenses/by-nc-nd/4.0/

DOI: doi:10.1016/j.jneumeth.2018.07.005

Abstract

Background: Differentiation of human embryonic stem cells (hESCs) into distinct neural lineages has been widely studied. However, preparation of mixed yet neurochemically mature populations, for the study of neurological diseases involving mixed cell types has received less attention.

New method: We combined two commonly used differentiation methods to provide robust and reproducible cultures in which a mixture of primarily GABAergic and Glutamatergic neurons was obtained. Detailed characterisation by immunocytochemistry (ICC) and quantitative real-time PCR (qPCR) assessed the neurochemical phenotype, and the maturation state of these neurons.

Results: We found that once neurospheres (NSs) had attached to the culture plates, proliferation of neural stem cell was suppressed. Neuronal differentiation and synaptic development then occurred after 21 days in vitro (DIV). By 49DIV, there were large numbers of neurochemically and structurally mature neurons. The qPCR studies indicated that expression of GABAergic genes increased the most (93.3-fold increase), followed by glutamatergic (51-fold increase), along with smaller changes in expression of cholinergic (3-fold increase) and dopaminergic genes (6-fold increase), as well as a small change in glial cell marker expression (5-fold increase).

Comparison with existing method (s): Existing methods isolate hESC-derived neural progenitors for onward differentiation to mature neurons using either migration or dissociative paradigms. These give poor survival or yield. By combining these approaches, we obtain high yields of morphologically and neurochemically mature neurons. These can be maintained in culture for extended periods.

Conclusion: Our method provides a novel, effective and robust neural culture system with structurally and neurochemically mature cell populations and neural networks, suitable for studying a range of neurological diseases from a human perspective.

Item Details

Item Type:Refereed Article
Keywords:human embryonic stem cells, neuronal differentiation, neurochemical characterisation
Research Division:Medical and Health Sciences
Research Group:Neurosciences
Research Field:Central Nervous System
Objective Division:Health
Objective Group:Clinical Health (Organs, Diseases and Abnormal Conditions)
Objective Field:Nervous System and Disorders
UTAS Author:Howells, DW (Professor David Howells)
ID Code:131479
Year Published:2018
Deposited By:Office of the School of Medicine
Deposited On:2019-03-19
Last Modified:2019-04-29
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