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The effect of recombinant tyrosine hydroxylase expression on the neurogenic differentiation potency of mesenchymal stem cells

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Tarih

2018

Yazar

Turac, Gizem
Duruksu, Gokhan
Karaoz, Erdal

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Künye

Turac, G., Duruksu, G., & Karaoz, E. (2018). The effect of recombinant tyrosine hydroxylase expression on the neurogenic differentiation potency of mesenchymal stem cells. Neurospine, 15(1), 42.

Özet

Objective: Tyrosine hydroxylase (TH) is a rate-limiting enzyme in dopamine synthesis, making the enhancement of its activity a target for ensuring sufficient dopamine levels. Rat bone marrow mesenchymal stem cells (rBM-MSCs) are known to synthesize TH after differentiating into neuronal cells through chemical induction, but the effect of its ectopic expression on these cells has not yet been determined. This study investigated the effects of ectopic recombinant TH expression on the stemness characteristics of rBM-MSCs. Methods: After cloning, a cell line with stable TH expression was maintained, and the proliferation, the gene expression profile, and differentiation potential of rBM-MSCs were analyzed. Analysis of the cells showed an increment in the proliferation rate that could be reversed by the neutralization of TH. Results: The constitutive expression of TH in rBM-MSCs was successfully implemented, without significantly affecting their osteogenic and adipogenic differentiation potential. TH expression improved the expression of other neuronal markers, such as glial fibrillary acidic protein, beta-tubulin, nestin, and c-Fos, confirming the neurogenic differentiation capacity of the stem cells. The expression of brain-derived neurotrophic factor (BDNF) and ciliary neurotrophic factor (CNTF) significantly increased after the chemical induction of neurogenic differentiation. Conclusion: In this study, the expression of recombinant TH improved the neuroprotective effect of MSCs by upregulating the expression of BDNF and CNTF. Although the neuronal markers were upregulated, the expression of recombinant TH alone in rBM-MSCs was not sufficient for MSCs to differentiate into neurogenic cell lines.

Kaynak

Neurospine

Cilt

15

Sayı

1

Bağlantı

https://doi.org/10.14245/ns.1836010.005
https://hdl.handle.net/20.500.12713/808

Koleksiyonlar

  • PubMed İndeksli Yayınlar Koleksiyonu [1153]
  • Scopus İndeksli Yayınlar Koleksiyonu [1892]
  • Temel Tıp Bilimleri Bölümü Makale Koleksiyonu [235]
  • WoS İndeksli Yayınlar Koleksiyonu [1965]



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