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Fernandes, S. and Vinnakota, R. and Kumar, J. and Kale, V. and Limaye, L. (2019) Improved neuraldifferentiation of normal and abnormal iPSC lines in the presence of valproicacid. Journal of Tissue Engineering and Regenerative Medicine.

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Abstract

During the generation of induced pluripotent stem cell (iPSC) lines from cord blood CD34+ cells, a line having complete trisomy of Chromosome 1 and deletion of q23 to qTer of Chromosome 11 was accidentally developed in our lab. The abnormality was consistently detected even at higher passages. These chromosomal anomalies are known to manifest neurological developmental defects. In order to examine if such defects occur during in vitro differentiation of the cell line, we set up a protocol for neural differentiation. Valproic acid (VPA) was earlier reported by us to enhance neural differentiation of placental mesenchymal stem cells. Here, we induced normal and abnormal iPSC lines to neural lineage with/without VPA. Neural differentiation was observed in all four sets, but for both the iPSCs lines, VPA sets performed better. The characteristics tested were morphology, neural filament length, detection of neural markers, and electrophysiology. In summary, the karyotypically abnormal line exhibited efficient neural differentiation. This iPSC line may serve as a useful tool to study abnormalities associated with trisomy 1 and deletion of q23 to qTer of Chromosome 11.

Item Type: Article
Depositing User: Mr. Rameshwar Nema
Date Deposited: 20 Feb 2020 11:42
Last Modified: 20 Feb 2020 11:42
URI: http://nccs.sciencecentral.in/id/eprint/717

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