Intractable & Rare Diseases Research
Online ISSN : 2186-361X
Print ISSN : 2186-3644
Original Articles
Generation of urine-derived induced pluripotent stem cells from a patient with phenylketonuria
Zijuan QiYazhou CuiLiang ShiJing LuanXiaoyan ZhouJinxiang Han
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2018 Volume 7 Issue 2 Pages 87-93

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Abstract

The aim of the study was to establish an induced pluripotent stem cell line from urine-derived cells (UiPSCs) from a patient with phenylketonuria (PKU) in order to provide a useful research tool with which to examine the pathology of this rare genetic metabolic disease. Urine-derived epithelial cells (UCs) from a 15-year-old male patient with PKU were isolated and reprogrammed with integration-free episomal vectors carrying an OCT4, SOX2, KLF4, and miR-302-367 cluster. PKU-UiPSCs were verified as correct using alkaline phosphatase staining. Pluripotency markers were detected with real-time PCR and flow cytometry. Promoter methylation in two pluripotent genes, NANOG and OCT4, was analyzed using bisulphite sequencing. An embryoid body (EB) formation assay was also performed. An induced pluripotent stem cell line (iPSC) was generated from epithelial cells in urine from a patient with PKU. This cell line had increased expression of stem cell biomarkers, it efficiently formed EBs, it stained positive for alkaline phosphatase (ALP), and it had a marked decrease in promoter methylation in the NANOG and OCT4 genes. The PKU-UiPSCs created here had typical characteristics and are suitable for further differentiation.

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© 2018 International Research and Cooperation Association for Bio & Socio-Sciences Advancement
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