In vitro differentiation of GABAergic cells from bone marrow stromal cells using Potassium Chloride as inducer

Payam Mohammadgharibani, Taki Tiraihi, Jalil Arabkheradmand

Research output: Contribution to journalArticle

Abstract

Bone marrow stromal cells (BMSCs) are multipotent and can be induced to differentiate into different lineages including osteogenic, chondrogenic, myogenic and neuronal phenotypes. BMSCs were reported to be a suitable option for regenerative medical research. In this study, BMSCs were induced into GABAergic phenotypes using β-mercaptoethanol (βME) and retinoic acid (RA) as preinducers followed by potassium chloride as inducer, and were evaluated by fibronectin and Oct-4. The percentages of cells immunoreactive for nestin, neurofilaments (NF 68, NF 160, and NF 200), GABA and GABA synthesizing and packaging enzymes (GAD1, GAD2, VGAT) were used for evaluating GABAergic differentiation. RT-PCR was used for confirming the expression of these enzymes. The differentiated cells were loaded and unloaded with FM1-43 in order to assess the functionality of the cells. At the preinduction stage, the cells downregulated fibronectin and Oct-4, and expressed neuronal markers. At the induction stage, the preinduced cells transdifferentiated into GABAergic cells, as confirmed by immunohistochemistry and RT-PCR. The GABAergic cells were stained and destained with FM1-43. Therefore, the two-stage induction protocol resulted in transdifferentiation of BMSCs into GABAergic cells with synaptic release upon stimulation.

Original languageEnglish (US)
Pages (from-to)367-377
Number of pages11
JournalRestorative Neurology and Neuroscience
Volume28
Issue number3
DOIs
StatePublished - Jul 23 2010
Externally publishedYes

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Potassium Chloride
Mesenchymal Stromal Cells
Cell Differentiation
Fibronectins
gamma-Aminobutyric Acid
Phenotype
Nestin
Polymerase Chain Reaction
Intermediate Filaments
In Vitro Techniques
Mercaptoethanol
Product Packaging
Tretinoin
Biomedical Research
Down-Regulation
Immunohistochemistry
Enzymes

Keywords

  • BMSCs
  • cell therapy
  • GABAergic cells
  • Rat
  • transdifferentiation

ASJC Scopus subject areas

  • Medicine(all)
  • Neurology
  • Developmental Neuroscience
  • Clinical Neurology

Cite this

In vitro differentiation of GABAergic cells from bone marrow stromal cells using Potassium Chloride as inducer. / Mohammadgharibani, Payam; Tiraihi, Taki; Arabkheradmand, Jalil.

In: Restorative Neurology and Neuroscience, Vol. 28, No. 3, 23.07.2010, p. 367-377.

Research output: Contribution to journalArticle

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